Table of Contents
Overview
Definition and Scope
Chemical biology is a scientific discipline that lies at the intersection of chemistry and biology, utilizing chemical tools and technologies to probe, understand, and build with biological systems. This field encompasses a range of research efforts that span multiple scales, from molecular to cellular, and applies to both natural and engineered systems.[3.1] A key concept in chemical biology is chemical synthesis, which involves the design and synthesis of small molecules with specific properties and functions. This includes the creation of molecules that can mimic natural biological molecules, as well as the development of entirely new molecules with unique characteristics.[1.1] Through these methodologies, chemical biology plays a crucial role in advancing our understanding of biological systems. The scope of chemical biology is broad, allowing for flexibility in research directions and the incorporation of new ideas, which distinguishes it from more rigidly defined scientific fields.[2.1] Research within this domain spans multiple scales, from molecular interactions to cellular processes, and applies to both natural and engineered biological systems.[5.1] The field has significant implications for drug development, where enzymes are often targeted due to their critical roles in various biochemical pathways. The development of enzyme-targeted drugs involves complex processes, including target identification and lead compound optimization.[11.1] Moreover, the integration of synthetic biology into chemical biology has opened new avenues for addressing challenges in chemical synthesis. Synthetic biology aims to design or assemble biological components to create novel biomolecules or pathways, enhancing the production of medical agents and improving therapeutic strategies.[18.1] Recent advancements in genome sequencing and genetic engineering have further revolutionized the understanding of biosynthetic pathways, enabling the production of new natural products and optimized metabolites.[19.1] Thus, chemical biology not only serves as a bridge between chemistry and biology but also plays a pivotal role in advancing medical and pharmaceutical research.History
Early Foundations
The incorporation of interdisciplinary connections has become a fundamental aspect of contemporary education, particularly in the context of secondary school students studying subjects such as physics, chemistry, and biology. This approach aims to enhance students' understanding by bridging gaps between these disciplines, thereby fostering a more integrated learning experience.[75.1] One significant development in this interdisciplinary framework is the emergence of bioorthogonal chemistry, which serves as a vital link between chemistry, biology, and medicine. Bioorthogonal reactions have been instrumental in addressing biological questions and facilitating discoveries that are often unattainable through traditional genetic methods. These reactions allow for the modification and study of biomolecules in their native environments, highlighting the necessity of chemical reactions that do not interfere with biological processes.[76.1] In the realm of education, innovative teaching methods have been explored to improve student achievement in biology, particularly in genetics. The Culturo-Techno-Contextual Approach (CTCA) has been identified as a relatively new method that enhances learning outcomes by contextualizing biological concepts within cultural and technological frameworks.[77.1] Additionally, specialized courses such as the "Chemical Biology Laboratory Course" have been developed for advanced students, deepening their understanding of the intersection between chemistry and biology while also equipping them with essential experimental skills.[78.1] These educational strategies underscore the importance of interdisciplinary approaches in chemical biology, aiming to cultivate a comprehensive understanding of the subject among students.Evolution of the Discipline
The evolution of chemical biology as a discipline can be traced back to the foundational work of Friedrich Wöhler in 1828, who synthesized urea from inorganic compounds, thereby challenging the prevailing vitalism theory that organic substances could only be derived from living organisms. This pivotal moment is often regarded as the beginning of modern synthetic organic chemistry and marked a significant shift in the perception of the interconnectedness of chemistry and biology.[55.1] Over the years, chemical biology has undergone substantial transformations, particularly in the last two decades. The integration of synthetic biology has played a crucial role in revitalizing natural products research, especially during the post-genomics era. This integration has facilitated the development of new tools that enhance the workflow of natural product discovery and engineering, generating multidisciplinary interest in the field.[46.1] Chemical biology is characterized by its application of chemical techniques to biological systems, bridging the gap between chemistry and biology. This discipline employs various methodologies, including analysis, synthesis, and computational chemistry, to study biological systems both in vitro and in vivo.[45.1] The historical roots of chemical biology extend back to the emergence of chemistry and biology as distinct scientific fields, evolving through various scientific advancements to its current state.[43.1] The evolution of genome sequencing has significantly transformed the field of natural product discovery, offering unprecedented opportunities to gain insights into the diversity and distribution of natural-product biosynthetic gene clusters (BGCs).[49.1] These gene clusters are highly evolved for horizontal exchange, which facilitates immediate opportunities to test the effects of small molecules on fitness.[49.1] Despite these advancements, challenges remain in isolating natural products from their native producers, such as bacteria, fungi, and plants.[50.1] In many instances, researchers must resort to synthetic chemistry or heterologous expression to access these valuable compounds.[50.1] Natural products continue to hold significant applications as biopharmaceuticals, agrochemicals, and other high-value chemicals, underscoring the importance of overcoming these challenges in the field.[50.1]Recent Advancements
Innovations in Chemical Biology Techniques
Recent advancements in mass spectrometry (MS)-based techniques have significantly enhanced our ability to study protein interactomes and dynamics. Notable methods such as affinity purification, proximity labeling, cross-linking, and co-fractionation mass spectrometry have been pivotal in mapping complex protein interactions within cellular environments.[88.1] These developments have improved the identification of protein interactomes and facilitated the integration of experimental data with computational methods, thereby elucidating intricate cellular networks.[88.1] Furthermore, recent advances in mass spectrometry-based proteomics have enabled the identification and quantitation of thousands of post-translational modification (PTM) sites in a single experiment, reflecting the rapid progress in this field.[94.1] This synergy between advanced experimental techniques and computational tools is crucial for deepening our understanding of protein dynamics and interactions.[87.1] Moreover, the integration of mass spectrometry with advanced computational tools has further enhanced the elucidation of cellular networks. This synergy facilitates the prediction of interactomes and complex modeling, which is crucial for understanding the intricate relationships between proteins and their functional roles in biological systems.[95.1] For instance, the BioPlex project has significantly expanded the catalog of protein interactions, revealing cell-specific remodeling of the human interactome and contributing to our understanding of disease mechanisms.[97.1] In addition to mass spectrometry, the CRISPR/Cas systems have emerged as powerful tools in chemical biology. These systems have been engineered for biosensing and bioimaging applications, allowing for precise targeting of nucleic acids and the study of protein/small molecule interactions.[90.1] The novel CRISPR/Cas12a-based diagnostic methods hold promise for early detection of infectious diseases and other applications, showcasing the versatility of CRISPR technology in advancing chemical biology.[89.1]Applications in Drug Discovery
Recent advancements in chemical biology have significantly influenced drug discovery through the integration of innovative technologies such as artificial intelligence (AI), machine learning (ML), and synthetic biology. These technologies have enhanced various aspects of the drug discovery process, making it more efficient and effective. AI and ML have transformed drug discovery by improving target identification, optimizing lead compounds, and enhancing predictive modeling for safety and efficacy. AI-driven models can analyze vast datasets to predict molecular interactions and optimize drug candidates with unprecedented speed. For instance, a study demonstrated that AI-based approaches could identify new therapeutic targets for diseases by analyzing protein-protein interaction networks and gene co-expression data.[92.1] Furthermore, machine learning models trained on historical screening data can identify chemical structures likely to bind to specific targets, allowing researchers to prioritize promising candidates.[92.1] The application of multi-omics technologies has also advanced drug discovery by providing comprehensive biological insights. These technologies enable the integration of various biological data types, which can improve target identification and predict druggability, thereby enhancing the overall drug discovery process.[91.1] An example of this integration is PaccMann, an AI-driven framework designed to predict cancer cell sensitivity to compounds by combining molecular structures, gene expression profiles, and protein interaction data.[91.1] Synthetic biology has emerged as a powerful tool in drug discovery, allowing for the design and assembly of biological components to produce medical agents efficiently. This includes the construction of novel genetic circuits for tumor targeting and the controllable release of therapeutic agents in response to specific biomarkers.[105.1] Additionally, CRISPR-Cas9 gene-editing technology has led to the development of new therapies targeting a wide range of diseases, further driving innovation in drug discovery.[106.1] Chemoproteomics, also known as chemical proteomics, encompasses a diverse range of techniques aimed at identifying and analyzing protein-small molecule interactions. This discipline is particularly valuable in complementing phenotypic drug discovery, which focuses on discovering lead compounds based on their ability to alleviate disease phenotypes, as opposed to the target-based drug discovery approach (reverse pharmacology).[107.1] Chemoproteomics operates at the intersection of medicinal chemistry, biochemistry, and cell biology, concentrating on the molecular mechanisms of action of drugs and other bioactive small molecules.[108.1] By integrating phenotypic screening with subsequent target identification, chemoproteomics seeks to achieve a comprehensive characterization of drug-induced changes across the proteome. Clinical applications of this field are expected to benefit from advancements in quantitative workflows that assess the magnitude of changes to the functional proteome, thereby enhancing our understanding of drug efficacy, selectivity, and disease progression.[109.1]In this section:
Key Concepts
Chemical Space and Biological Space
Chemical biology operates at the intersection of chemical space and biological space, utilizing small molecules to probe and manipulate biological systems. The classic definition of chemical biology emphasizes the use of synthetic organic chemistry to create small-molecule probes that can interrogate biological processes, which includes a wide array of applications such as molecular pharmacology, synthetic biology, and chemical systems biology.[123.1] This interdisciplinary field integrates concepts from bioorganic, medicinal, and supramolecular chemistry with genetics, biochemistry, and molecular biology, thereby facilitating a comprehensive understanding of life at the molecular level.[133.1] The effective identification and selection of small molecules for biological targets necessitate a deep understanding of the chemical principles that govern their interactions within cellular environments. This includes evaluating the physicochemical properties of small molecules to ensure compatibility with biological systems, particularly for oral bioavailability, as outlined by the widely recognized Lipinski guidelines.[125.1] Additionally, the binding of small molecules to plasma proteins significantly influences their efficacy and pharmacokinetic properties, which is crucial for drug development.[127.1] Recent advancements in high-throughput screening technologies, such as the Terray platform, have enabled the measurement of millions of interactions between small molecules and biological targets daily, thereby expanding the chemical space available for exploration.[137.1] This capability supports the rapid identification of lead compounds and enhances the optimization of selectivity and potency in drug design. Case studies, such as the development of venetoclax, illustrate the practical application of these principles. Venetoclax was designed to selectively bind to the B-cell lymphoma 2 (BCL-2) protein, leading to apoptosis in cancer cells. Its design was informed by structure-based drug design techniques, which utilized computational methods to optimize binding affinity and predict pharmacological properties.[138.1] Furthermore, the discovery of RNA-targeting small molecules, such as ribocil, demonstrates the potential of small molecules to affect complex biological processes by binding to RNA structural elements, thereby validating the interplay between chemical and biological spaces.[139.1]In this section:
Methodologies
Chemical Genetics and Proteomics
Chemical genetics and proteomics are integral methodologies within the field of chemical biology, facilitating the exploration of biological systems through the lens of chemistry. Chemical genetics employs small molecules to modulate biological processes, allowing researchers to investigate gene function and cellular pathways. This approach has been significantly enhanced by the development of techniques such as the cellular thermal shift assay (CETSA), which provides insights into target engagement by detecting biophysical interactions between ligands and protein targets in cellular environments.[168.1] CETSA has proven valuable in drug discovery, guiding projects by confirming target engagement and aiding in lead optimization.[167.1] Proteomics, on the other hand, focuses on the large-scale study of proteins, particularly their functions and structures. It encompasses various techniques, including (phospho-)proteomics and transcriptomics, which are essential for mode-of-action studies in chemical biology.[159.1] These methodologies allow for the comprehensive analysis of protein interactions and modifications, thereby elucidating the mechanisms underlying biological processes and disease states. The integration of chemical genetics and proteomics has led to significant advancements in understanding complex biological systems. For instance, bioluminescence resonance energy transfer (BRET) technology complements CETSA by enabling the measurement of interactions between compounds and target proteins, as well as between different proteins.[171.1] This synergy enhances the ability to study cellular target engagement and provides a deeper understanding of drug action in specific biological contexts.[170.1]Challenges And Perspectives
Current Challenges in the Field
As the field of chemical biology evolves, researchers face a variety of challenges that stem from its interdisciplinary nature and the complexity of biological systems. One significant challenge is the difficulty in precisely defining chemical biology, which encompasses a broad range of research topics at the intersection of chemistry and biology. This ambiguity can hinder the establishment of clear research agendas and methodologies within the field.[201.1] Moreover, as practitioners tackle increasingly sophisticated biological problems, they encounter the need for innovative chemical approaches, both synthetic and analytical, to address these complexities effectively.[203.1] The integration of omic technologies has generated vast amounts of data characterizing biological systems, which necessitates the development of new methods for managing and interpreting large data sets.[200.1] This data deluge presents a significant challenge, as researchers must find ways to distill meaningful insights from complex information. Ethical considerations also pose challenges in chemical biology, particularly as advancements in the field raise new dilemmas. Issues such as the implications of genetically modified organisms, the use of living donors in research, and the potential for chemical weapons development require careful ethical analysis and the establishment of responsible frameworks to guide research practices.[232.1] These ethical dilemmas highlight the need for a balanced approach that respects both scientific advancement and societal values. Effective communication of chemical biology's relevance to non-specialist audiences presents a significant challenge. To address this, researchers must employ strategies that simplify complex concepts, thereby demonstrating the importance of their work to a diverse range of stakeholders, including the public, business executives, and the press.[228.1] The American Society for Cell Biology emphasizes the value of a concise statement that can effectively "pitch" scientific work in brief interactions, such as during an elevator ride.[228.1] Furthermore, effective science communication can be achieved through various formats, including written, oral, and visual presentations, as well as the use of social media and other online platforms.[229.1] By adopting these best practices, scientists can maximize the impact of their research and contribute to a more informed and scientifically literate society.[229.1]Future Directions and Potential
The future of chemical biology is poised to be shaped significantly by interdisciplinary collaboration and advancements in technology. As the complexity of global challenges increases, the integration of chemical biology with fields such as computational modeling and systems biology is becoming essential. This interdisciplinary approach not only enhances the understanding of complex biological questions but also facilitates the development of innovative therapeutic strategies and drug candidates.[219.1] Recent advancements in methodologies, particularly in the realm of protein therapeutics, underscore the importance of combining computational techniques with experimental approaches. Techniques such as structure-based design and machine learning have improved the prediction of protein properties, thereby guiding engineering efforts in therapeutic applications.[220.1] This integration is critical as it allows for the optimization of structural biology, which is vital for the development of effective protein-based therapeutics.[220.1] In the rapidly evolving field of drug discovery and development, the close collaboration between medicinal chemistry and biological science has reached unprecedented strategic heights. This partnership is crucial for addressing significant challenges such as drug resistance and personalized medicine. As the understanding of disease mechanisms continues to deepen and the diversity of drug targets expands, it becomes increasingly clear that breakthroughs in drug discovery cannot be achieved within a single discipline alone.[221.1] In educational contexts, engaging students in chemical biology is significantly enhanced by relating course content to their everyday lives. For instance, connecting organic chemistry to biology and popular culture can illustrate the relevance of the material, even for those who do not plan to pursue further studies in the field.[112.1] Additionally, the implementation of active learning strategies is essential, as these approaches engage students productively through problem-solving activities and discussions, moving beyond the traditional passive learning methods.[113.1] By redesigning courses to incorporate these active learning sessions, educators can foster higher-order cognitive skills and deepen students' understanding of chemical biology, ultimately preparing them to address complex biological challenges.Applications
Target Identification in Drug Development
Target identification is a crucial phase in the drug development process, focusing on the discovery and validation of biological molecules that can be targeted by therapeutic agents. The field of chemical biology is integral to this process, as it encompasses the application of chemical techniques and the study of small molecules produced through synthetic chemistry to manipulate biological systems.[238.1] Chemical biology is an interdisciplinary research field that merges the principles of chemistry, biology, and physics to understand the behavior of molecules within living organisms.[241.1] This rapidly evolving discipline is transforming our comprehension of biological systems and is anticipated to facilitate the development of new therapeutics.[241.1] One of the significant contributions of chemical biology to target identification is its ability to identify novel drug targets, which is essential for the development of more effective and safer medications. By utilizing small molecules produced through synthetic chemistry, researchers can probe biological pathways and interactions, leading to the discovery of new targets that may have been previously overlooked.[240.1] Furthermore, advancements in omics technologies, such as transcriptomics and proteomics, have significantly improved the capacity to identify molecular pathways involved in disease processes, thereby facilitating the identification of potential drug targets.[245.1] The integration of artificial intelligence (AI) and machine learning (ML) into chemical biology is transforming the target identification process. These technologies enable the analysis of large-scale biological and chemical datasets, enhancing the efficiency and accuracy of target discovery. For instance, ML techniques can accelerate initial hit discovery and elucidate mechanisms of action, thereby streamlining the drug development pipeline.[266.1] Additionally, AI-based approaches can optimize the drug discovery process by combining predictive power with human expertise, ultimately leading to the development of more effective medications.[267.1]References
[1] Uwmadison Chemical Biology Overview: Key Concepts — One of the key concepts in chemical biology is the idea of chemical synthesis, which involves the design and synthesis of small molecules with specific properties and functions.This can include the synthesis of molecules that mimic natural biological molecules, as well as the design of entirely new molecules with unique properties.
[2] Voices of chemical biology - PMC — A key strength of chemical biology is that it is not hampered by rigid definitions, and can therefore embrace new ideas and shift directions more freely than other fields. ... Chemical biology is a broad area of research representing the interface between chemistry and biology. Chemical tools and concepts are used to understand and/or control
[3] Chemical biology - Wikipedia — An overview of the different components included in the field of chemical biology. Chemical biology is a scientific discipline between the fields of chemistry and biology.The discipline involves the application of chemical techniques, analysis, and often small molecules produced through synthetic chemistry, to the study and manipulation of biological systems.
[5] PDF — Chemical biology is an interdisciplinary research field where chemical tools and tech-nologies are used to probe, understand, and build with biology. Research efforts span multiple scales, from molecular to cellular, and are applied to natural and new-to-nature systems.
[11] PDF — (2023) 6(3), 51–54 Enzyme Function and Drug Development: Unveiling the Path to Therapeutic Breakthroughs Introduction Enzymes play a vital role in maintaining the intricate biochemical processes within living organisms. Drug development efforts often focus on identifying molecules that can selectively interact with a target enzyme, either by blocking its activity (enzyme inhibitors) or by enhancing its function (enzyme activators). The discovery and development of enzyme-targeted drugs are complex processes that involve various stages, including target identification; lead compound discovery, optimization, preclinical testing, and clinical trials. Enzymes in drug development: Enzymes have emerged as key targets for drug development due to their involvement in various diseases and their potential as therapeutic agents. Enzymes play a crucial role in drug development by facilitating various biochemical reactions involved in drug metabolism, target engagement, and therapeutic efficacy.
[18] Applications of synthetic biology in medical and pharmaceutical fields — Advertisement View all journals Search Log in Explore content About the journal Publish with us Sign up for alerts RSS feed nature signal transduction and targeted therapy review articles article Applications of synthetic biology in medical and pharmaceutical fields Download PDF Download PDF Review Article Open access Published: 11 May 2023 Applications of synthetic biology in medical and pharmaceutical fields Xu Yan1, Xu Liu2, Cuihuan Zhao1 & … Guo-Qiang Chen ORCID: orcid.org/0000-0002-7226-17821,3,4 Show authorsSignal Transduction and Targeted Therapy volume 8, Article number: 199 (2023) Cite this article 40k Accesses 27 Altmetric Metrics details Subjects Biotechnology Nanobiotechnology Abstract Synthetic biology aims to design or assemble existing bioparts or bio-components for useful bioproperties. Medical and pharmaceutical demands have also pushed the development of synthetic biology, including integration of heterologous pathways into designer cells to efficiently produce medical agents, enhanced yields of natural products in cell growth media to equal or higher than that of the extracts from plants or fungi, constructions of novel genetic circuits for tumor targeting, controllable releases of therapeutic agents in response to specific biomarkers to fight diseases such as diabetes and cancers. In general, synthetic biology brings new capabilities to medical and pharmaceutical researches. This review summarizes the timeline of synthetic biology developments, the past and present of synthetic biology for microbial productions of pharmaceutics, engineered cells equipped with synthetic DNA circuits for diagnosis and therapies, live and auto-assemblied biomaterials for medical treatments, cell-free synthetic biology in medical and pharmaceutical fields, and DNA engineering approaches with potentials for biomedical applications.
[19] Synthetic Biology Routes to New and Extinct Natural Products — Recent developments in genome sequencing and genetic engineering have revolutionised elucidation of biosynthetic pathways in bacteria and fungi and allowed production of new natural products and engineered strains with optimised production of new and/or preferred metabolites. The clinically important antibio
[43] [PDF] The origins of chemical biology | Semantic Scholar — Chemical biology has historical roots that date back to the birth of chemistry and biology as distinct sciences, as well as other sciences, up to and including modern times. Chemical biology has historical roots that date back to the birth of chemistry and biology as distinct sciences.
[45] Chemistry towards Biology - PMC — Currently, chemical biology can be considered a bridge closely connecting chemistry and biology; the application of chemical techniques (analysis, synthesis, and computational chemistry) to the in vitro and in vivo studies of biological systems, where the study is based on the use of small molecules designed or identified on the basis of
[46] Synthetic Biology in Natural Product Biosynthesis — Synthetic biology has played an important role in the renaissance of natural products research during the post-genomics era. The development and integration of new tools have transformed the workflow of natural product discovery and engineering, generating multidisciplinary interest in the field. In this review, we summarize recent developments in natural product biosynthesis from three
[49] Synthetic Biology of Natural Products Engineering: Recent Advances ... — Genome sequencing has created unprecedented opportunities for natural-product discovery and new insight into the diversity and distributions of natural-product biosynthetic gene clusters (BGCs). These gene collectives are highly evolved for horizontal exchange, thus providing immediate opportunities to test the effects of small mols. on fitness.
[50] Cell-free synthetic biology for natural product biosynthesis and discovery — Natural products have applications as biopharmaceuticals, agrochemicals, and other high-value chemicals. However, there are challenges in isolating natural products from their native producers (e.g. bacteria, fungi, plants). In many cases, synthetic chemistry or heterologous expression must be used to access these
[55] The Formation of Urea: Controversies and Confusion — Urea is mentioned in all introductory organic courses because it was the first natural compound to be synthesized in the laboratory. This synthesis contradicted the theory of vitalism, which maintained that natural compounds contained some vital force that made them different from other compounds, and it made posssible the now gigantic field of modern synthetic organic chemistry. This paper
[75] Integration of interdisciplinary connections between chemistry, physics ... — The incorporation of interdisciplinary connections is a key element of contemporary education and plays a crucial role in the development of secondary school students. The purpose of the study is to analyze the features of the introduction and influence of interdisciplinary education on the study of physics, chemistry, and biology in the secondary school. To achieve research goals, various
[76] Bioorthogonal chemistry: Bridging chemistry, biology, and medicine — Bioorthogonal chemistry: Bridging chemistry, biology, and medicine - ScienceDirect Search ScienceDirect Bioorthogonal chemistry: Bridging chemistry, biology, and medicine Bioorthogonal reactions with enhanced reaction rates have been achieved, albeit often at the cost of reagent size or stability. To date, these reactions have been extensively utilized for answering biological questions and making new, exciting, and sometimes unexpected discoveries, especially when applied to biomolecules that cannot be studied with other tools, such as genetic approaches. As chemical biologists sought methods to modify and study biomolecules in their native environments, the need for bioorthogonal chemical reactions emerged. Previous article in issue Next article in issue Recommended articles © 2023 Published by Elsevier Inc. Recommended articles No articles found. For all open access content, the Creative Commons licensing terms apply.
[77] (PDF) Approaches to Teaching Chemistry - ResearchGate — The study examined the effectiveness of a relatively new teaching method-The Culturo-Techno-Contextual Approach (CTCA)-in improving students' achievement in biology with specific focus on genetics.
[78] Discussions on the Effective Teaching Methods of Chemical Biology ... — The "Chemical Biology Laboratory Course" that is designed for top-notch chemical biology students, has deepened students' knowledge about the interface of chemistry and biology, as well as the related experimental skills. ... Discussions on the Effective Teaching Methods of Chemical Biology Laboratory[J].University Chemistry, 2019, 34(4): 16-19
[87] Recent Advances in Mass Spectrometry-Based Protein Interactome Studies — Recent Advances in Mass Spectrometry-based Protein Interactome Studies - ScienceDirect Recent Advances in Mass Spectrometry-based Protein Interactome Studies Recent developments in mass spectrometry (MS)-based techniques, including affinity purification, proximity labeling, cross-linking, and co-fractionation mass spectrometry (MS), have significantly enhanced our abilities to study the interactome. Finally, we highlight state-of-the-art bioinformatic approaches for predictions of interactome and complex modeling, as well as strategies for combining experimental interactome data with computation methods, thereby enhancing the ability of MS-based techniques to identify protein interactomes. This review highlights recent advancements in mass spectrometry-based techniques for mapping protein interactomes, including affinity purification, proximity labeling, cross-linking, and co-fractionation approaches.
[88] Recent Advances in Mass Spectrometry-Based Protein Interactome Studies — In BriefThis review highlights recent advancements in mass spectrometry-based techniques for mapping protein interactomes, including affinity purification, proximity labeling, cross-linking, and co-fractionation approaches. It discusses the integration of these methods with cutting-edge computational tools, emphasizing their synergistic potential in elucidating complex cellular networks. The
[89] Recent advances and challenges of the use of the CRISPR/Cas system as a ... — Thus, the CRISPR/Cas12a-based novel protein diagnostic methods will have great potential in detecting proteins and identifying protein/small molecule molecular interactions, which will provide new insights for new knowledge discovery and will be used in various applications including the early diagnosis of infectious diseases, environmental
[90] Engineered CRISPR/Cas Ribonucleoproteins for Enhanced Biosensing and ... — CRISPR-Cas systems represent a highly programmable and precise nucleic acid-targeting platform, which has been strategically engineered as a versatile toolkit for biosensing and bioimaging applications. Nevertheless, their analytical performance is constrained by inherent functional and activity limitations of natural CRISPR/Cas systems, underscoring the critical role of molecular engineering
[91] Integrating artificial intelligence in drug discovery and early drug ... — There are several limitations, specific to drug discovery and development in cancer, that can be summarized in the following concepts: (1) High Costs and Long Timelines: 10–15 years for a drug candidate to receive regulatory approval ; (2) Low Success Rates: approximately 90% of candidates that enter early clinical trials do not reach the market ; and (3) Complex Disease Biology: cancer involves complex, interconnected biological pathways that are difficult to target effectively with classical methods. As the main reasons for failures in drug development are insufficient efficacy and safety levels, methods based on AI could help mitigate challenges in the analysis of multiomics data by improving target identification and predicting druggability, which enhances the overall drug discovery process. An example of the integration of biological data for drug identification is PaccMann, an AI-driven framework designed to predict cancer cell sensitivity to compounds by integrating molecular structures, gene expression profiles, and protein interaction data.
[92] Artificial Intelligence in Drug Discovery: Current Breakthroughs — AI is transforming drug discovery by enhancing target identification, optimizing lead compounds, and improving predictive modeling for safety and efficacy. AI-driven models analyze vast datasets, predict molecular interactions, and optimize drug candidates with unprecedented speed. A study in Nature Communications demonstrated how AI-driven network-based approaches identified new therapeutic targets for Alzheimer’s disease by analyzing protein-protein interaction networks and gene co-expression data. Machine learning models trained on historical screening data identify chemical structures likely to bind to a target, allowing researchers to prioritize promising candidates. Transfer learning enhances hit-to-lead optimization by leveraging knowledge from existing drug discovery datasets to improve predictions for new compounds. Traditionally, these models relied on compartmental equations and empirical data, but AI-driven approaches enhance predictive accuracy by integrating vast datasets from preclinical and clinical studies.
[94] Mass Spectrometry-Based Detection and Assignment of Protein ... — Recent advances in mass spectrometry (MS)-based proteomics allow the identification and quantitation of thousands of posttranslational modification (PTM) sites in a single experiment. This follows from the development of more effective class
[95] Recent Advances in Mass Spectrometry-Based Protein Interactome Studies — Recent Advances in Mass Spectrometry-based Protein Interactome Studies - ScienceDirect Recent Advances in Mass Spectrometry-based Protein Interactome Studies Recent developments in mass spectrometry (MS)-based techniques, including affinity purification, proximity labeling, cross-linking, and co-fractionation mass spectrometry (MS), have significantly enhanced our abilities to study the interactome. Finally, we highlight state-of-the-art bioinformatic approaches for predictions of interactome and complex modeling, as well as strategies for combining experimental interactome data with computation methods, thereby enhancing the ability of MS-based techniques to identify protein interactomes. This review highlights recent advancements in mass spectrometry-based techniques for mapping protein interactomes, including affinity purification, proximity labeling, cross-linking, and co-fractionation approaches.
[97] Mass spectrometry-based protein‒protein interaction techniques and ... — BioPlex 1.0 reported interacting partners for 2594 proteins (Huttlin et al., 2015); BioPlex 2.0 increased the bait protein number to 5891 and built the disease networks (Huttlin et al., 2017); BioPlex 3.0 included 10 128 human protein baits and revealed cell-specific remodeling of the human interactome using HEK293T and HCT116 cells (Huttlin et al., 2020). Crosslinks work efficiently in identifying protein interactomes (Liu and Heck, 2015; Liu F et al., 2015, 2018; Wu et al., 2016); however, the drawback is that it is difficult to know the precise timing and amount of crosslinking agents to use in order to preserve specific interactions but not increase non-specific contaminants. The p53-binding protein 1-Tudor-interacting repair regulator complex participates in the DNA damage response.
[105] Applications of synthetic biology in medical and pharmaceutical fields — Advertisement View all journals Search Log in Explore content About the journal Publish with us Sign up for alerts RSS feed nature signal transduction and targeted therapy review articles article Applications of synthetic biology in medical and pharmaceutical fields Download PDF Download PDF Review Article Open access Published: 11 May 2023 Applications of synthetic biology in medical and pharmaceutical fields Xu Yan1, Xu Liu2, Cuihuan Zhao1 & … Guo-Qiang Chen ORCID: orcid.org/0000-0002-7226-17821,3,4 Show authorsSignal Transduction and Targeted Therapy volume 8, Article number: 199 (2023) Cite this article 40k Accesses 27 Altmetric Metrics details Subjects Biotechnology Nanobiotechnology Abstract Synthetic biology aims to design or assemble existing bioparts or bio-components for useful bioproperties. Medical and pharmaceutical demands have also pushed the development of synthetic biology, including integration of heterologous pathways into designer cells to efficiently produce medical agents, enhanced yields of natural products in cell growth media to equal or higher than that of the extracts from plants or fungi, constructions of novel genetic circuits for tumor targeting, controllable releases of therapeutic agents in response to specific biomarkers to fight diseases such as diabetes and cancers. In general, synthetic biology brings new capabilities to medical and pharmaceutical researches. This review summarizes the timeline of synthetic biology developments, the past and present of synthetic biology for microbial productions of pharmaceutics, engineered cells equipped with synthetic DNA circuits for diagnosis and therapies, live and auto-assemblied biomaterials for medical treatments, cell-free synthetic biology in medical and pharmaceutical fields, and DNA engineering approaches with potentials for biomedical applications.
[106] Top scientific discoveries and breakthroughs for 2025 | CAS — Casgevy was the first therapy to be approved by the U.S. FDA that was developed using CRISPR-Cas9 gene-editing technology, and many new CRISPR-based therapies targeting a broad range of diseases have entered drug discovery pipelines and trials since. In combination with emerging AI-based synthetic applications that are already helping chemists identify and prioritize synthetic pathways, these new synthetic approaches could drive a multi-fold increase in chemical innovation over the next decade. Investment in new single-cell analysis technologies has exploded in recent years, and these techniques are now being applied to advance critical progress in early disease detection, prenatal screening tests, biomarker testing, liquid biopsies, and biologic drug development. About CAS
[107] Chemoproteomics - Wikipedia — Chemoproteomics (also known as chemical proteomics) entails a broad array of techniques used to identify and interrogate protein - small molecule interactions. Chemoproteomics complements phenotypic drug discovery, a paradigm that aims to discover lead compounds on the basis of alleviating a disease phenotype, as opposed to target-based drug discovery (reverse pharmacology), in which lead
[108] Chemoproteomic approaches to drug target identification and drug ... — Chemoproteomics represents a new research discipline at the interface of medicinal chemistry, biochemistry, and cell biology focused on studying the molecular mechanisms of action of drugs and other bioactive small molecules. Research strategies frequently combine phenotypic screening with subsequent target identification, and aim at a proteome-wide characterization of drug-induced changes in
[109] Clinical chemoproteomics—Opportunities and obstacles - Science — Clinical applications of chemoproteomics should benefit from these developments by adapting quantitative workflows to assess the magnitude of changes to the functional proteome and better understand drug efficacy and selectivity or disease progression (25).
[112] Advancing global chemical education through interactive teaching tools — An important means of engaging students in chemistry is in relating course content to students' everyday lives. As an example, connecting organic chemistry to biology and popular culture helps to demonstrate that the course material is highly relevant to the students' lives, even if they do not intend to pursue further studies in that eld.
[113] Engaging Students through Active Learning Strategies in a Medicinal ... — Active learning strategies engage students productively in the process of learning through problem-solving activities and discussions, over and above the routine method of listening passively to the instructor. This work highlights the redesign of a medicinal chemistry course by augmenting traditional lectures with active learning sessions in order to engage students in higher-order cognitive
[123] Voices of chemical biology - PMC — Voices of chemical biology - PMC This includes the classic definition of chemical biology, which is the use of synthetic organic chemistry to create small-molecule probes of biological processes; it also encompasses a broader set of efforts in the growing chemical biology community, such as molecular pharmacology, single-molecule biophysics, synthetic biology, chemical proteomics and chemical systems biology. Chemical tools and concepts are used to understand and/or control biological processes at the molecular level. In my mind, chemical biology is the application of small-molecule probes, which are complementary to the tools available from biologists, to interrogate biomolecular targets and their associated cellular pathways with a view to obtaining new biological insights.
[125] Probing the Probes: Fitness Factors For Small Molecule Tools — The widely used Lipinski guidelines (known as the "rule of five") are aimed to increase the likelihood that small molecules will have physicochemical properties compatible with the biological environment, especially for oral bioavailability (Lipinski et al., 2001). On the other hand, such probabilistic guidelines have many exceptions and
[127] In Vitro and In Vivo Assessment of ADME and PK Properties During Lead ... — The binding of test compounds to plasma proteins is an important factor affecting drug efficacy, metabolism and pharmacokinetic properties. CYP inhibition profiling examines the effects of a test compound on the metabolism of other known enzyme substrates of the five primary drug human metabolizing CYP: 1A2, 2B6, 2C9, 2D6, 3A4. In an assay similar to the metabolic stability assay, liver microsomes are used to determine the CYP450 inhibition profile of test compounds by measuring the % metabolism of a known substrate. An example set of graphs representing typical time course drug plasma concentrations following oral dosing can be found in Wikipedia http://en.wikipedia.org/wiki/Pharmacokinetics and are reproduced to illustrate the key related parameters: time to reach (tmax) maximal concentration (Cmax) of compound, time to reduce concentration by half of the initial value (t1/2), dosing interval (τ), and area-under-curve (AUC) or total compound exposure (Figure 2).
[133] Chemistry towards Biology - PMC — Thus, chemical biology has become an important interdisciplinary field that is rooted in/seeks to link bioorganic, medicinal, and supramolecular chemistry with genetics, biochemistry, molecular biology, metabolic engineering, and pharmacology, using all known available analytical/bioanalytical methods or tools . Thus, it attempts to explain the
[137] Case Study: Generative AI for Small Molecules | NVIDIA — The Terray platform measures hundreds of millions of interactions between small molecules and biological targets daily, with a growing database of 50 billion experimental biophysical measurements. This precision enables novel solutions, parallel target screening, and rapid hit-to-lead efforts with millions of molecules.
[138] Advancements in small molecule drug design: A structural perspective — One such example is venetoclax, a small molecule drug used for the treatment of chronic lymphocytic leukemia (CLL) and small lymphocytic lymphoma (SLL).85 Venetoclax was designed based on the identification of the anti-apoptotic protein B-cell lymphoma 2 (BCL-2) as a therapeutic target.86 The drug’s chemical structure consists of a bicyclic scaffold with a 4-aminoindole core and two benzenesulfonamide moieties.85,87 Venetoclax binds selectively to BCL-2, leading to apoptosis of cancer cells by blocking the interaction between BCL-2 and pro-apoptotic proteins.85,88 Venetoclax has been shown to be effective in the treatment of CLL and SLL, with a favorable safety profile.86,89 Its pharmacological properties include a long half-life of approximately 26 h and linear pharmacokinetics with dose-proportional exposure.90 The discovery of venetoclax was made possible by the application of structure-based drug design, which involves the use of computational and experimental techniques to design small molecules that can selectively bind to a target protein.87,91,92 The structure of BCL-2 was determined by X-ray crystallography, which allowed for the identification of the binding site and the rational design of Venetoclax.93,94 Molecular docking and other computational methods were used to optimize the structure of venetoclax and predict its binding affinity.95
[139] Systematically Studying the Effect of Small Molecules Interacting with ... — While many marketed RNA-targeting therapeutics are ASOs, (18) a number of RNA-binding small molecules with well-established modes of action have been shown to affect complex disease biology, including those that bind pre-mRNAs and affect alternative splicing, bind precursor microRNAs and disrupt biogenesis, and inhibit the formation of RNA–protein complexes by binding the transcript. The purpose of this article is to explore the use of Chemical Cross-Linking and Isolation by Pull-down (Chem-CLIP), gain- and loss-of-function, proteomics, RNA sequencing, and mutational profiling as strategies to validate the observed phenotypic changes induced by RNA–small molecule binding interactions (Figure 1B). (79-83) The discovery of ribocil is a benchmark demonstration of how target-specific small molecules that bind RNA structural elements can be identified using phenotypic screening methods in a pathway-specific manner.
[159] Systems Chemical Biology: Methods and Protocols | SpringerLink — The chapters in this book discuss topics such as disease-relevant models for chemical biology studies, target engagement using cellular thermal shift assay or bioluminescence resonance energy transfer; visualization of bio-active small molecules Raman microscopy; (phospho-)proteomics and transcriptomics for mode-of-action studies, CRISPR/Cas9
[167] A Shift in Thinking: Cellular Thermal Shift Assay-Enabled Drug Discovery — Abstract. A decade has passed since the cellular thermal shift assay (CETSA) was introduced to the drug discovery community. Over the years, the method has guided numerous projects by providing insights about, for example, target engagement, lead generation, target identification, lead optimization, and preclinical profiling.
[168] Real-Time Cellular Thermal Shift Assay to Monitor Target Engagement — Determining a molecule's mechanism of action is paramount during chemical probe development and drug discovery. The cellular thermal shift assay (CETSA) is a valuable tool to confirm target engagement in cells for a small molecule that demonstrates a pharmacological effect. CETSA directly detects biophysical interactions between ligands and protein targets, which can alter a protein's
[170] Importance of Quantifying Drug-Target Engagement in Cells — The physical phenomenon of bioluminescence resonance energy transfer, or BRET, whereby a bioluminescent donor can transfer energy to a proximal fluorophore, can be exploited to study cellular target engagement. ... In recent years, the cellular thermal shift assay (CETSA) has emerged as a versatile target engagement and identification assay
[171] Advances in Cellular Target Engagement and Target Deconvolution — Several articles in this special issue utilize bioluminescence resonance energy transfer (BRET) technology to measure interactions between compound and target protein, or between two different proteins. ... The cellular thermal shift assay (CETSA) method, which utilizes the established thermodynamic principle of ligand-induced stabilization, is
[200] Grand challenges in chemical biology: Past, present and future — The journal Frontiers in Chemical Biology, by placing chemistry on center stage, will emphasize the development of new innovative approaches to the study of biological problems at the intersection of chemistry and biology and resulting advances in biology, medicine and the life sciences. The Frontiers publishing structure provides an opportunity for chemical biologists to publish their research in an Open Access journal using a uniquely constructed peer review process (Suib 2014) that addresses the importance of novel chemistry in studies at the chemistry/biology interface. The development and application of omic approaches has not only provided a vehicle to identify areas of chemical space specific to a particular biological system, but to provide enormous amounts of data characterizing the biological system (Scalese et al., 2022) and reinforcing the need for new methods to manage large data sets.
[201] Research fronts of Chemical Biology - De Gruyter — Introduction. As Chemical Biology includes a wide range of research topics of interest which potentially fit into the ever-expanding scope of this field, it is challenging to precisely define Chemical Biology.A common description of Chemical Biology is a scientific discipline that uses chemistry and chemical principles, techniques, tools and methods to study biological systems or create new
[203] Challenges for the 'chemical-systems' biologist - Nature — As the field of chemical biology matures, its practitioners are tackling ever more sophisticated biological problems. Chemical approaches, both synthetic and analytical, provide researchers with
[219] Computational Chemical Biology and Systems Pharmacology — Led by Dr. Andrey Ivanov, The ECBDC Computational Chemical Biology and Systems Pharmacology (CCBSP) Group utilizes state-of-the-art bioinformatics, computational modeling, and systems biology approaches to study and regulate the molecular connectivity between the biological pathways to facilitated target discovery and therapeutic development.
[220] Integrating Computational Design and Experimental Approaches for Next ... — This review examines recent advances in computational and experimental approaches for engineering improved protein therapeutics. Computational methods like structure-based design, machine learning integration, and protein language models have dramatically enhanced our ability to predict protein properties and guide engineering efforts. The integration of these algorithms and the advancement of structure-based computational techniques contribute to the optimization and advancement of structural biology for therapeutic protein engineering applications. Experimental protein engineering has achieved significant advancements through directed evolution as well as rational design and structure-guided engineering. An overview and applications of therapeutic protein engineering using advanced biological molecules. An overview and applications of therapeutic protein engineering using advanced biological molecules. Engineering protein-based therapeutics through structural and chemical design.
[221] Boosting Med Chem Education: Integrating Biology for Drug Discovery ... — In the rapidly evolving field of drug discovery and development, the close collaboration between medicinal chemistry and biological science has reached unprecedented strategic heights. With the continuous deepening of understanding of disease mechanisms and the expansion of drug target diversity, breakthroughs in a single discipline are no
[228] 10 Tips for Effective Science Communication — Effective science communication puts complex concepts into simpler terms, helping researchers demonstrate the importance of their work to a wide range of stakeholders, from venture capitalists and business executives to the public and the press. However, the American Society for Cell Biology notes that a focused statement short enough to “pitch” while you ride an elevator with someone can help you quickly and effectively communicate the value of your scientific work. The department of biotechnology within the College of Science at Northeastern University trains students not just in the scientific rigors of a career in biotechnology but also in effective communication with business leaders and the public alike.
[229] Best practices for scientific communication and dissemination — We will discuss strategies for effective communication in various formats, including written, oral, and visual presentations, as well as the use of social media and other online platforms. By adopting these best practices, scientists can maximize the impact of their research and contribute to a more informed and scientifically literate society
[232] Ethics in Science: The Unique Consequences of Chemistry — In this special issue of Accountability in Research, it is fitting and even necessary that the first article deals with important ethical issues facing the world, in general, and chemists and the chemical community, in particular. Because chemistry is a complex mixture of the fundamental and the applied and because the products of chemistry substantially affect our daily lives, ethical questions related to the uses of chemicals are a central concern. A very difficult ethical question for chemists is whether to conduct research on chemical weapons. In a world where the public health and welfare is threatened by the effects of chemicals, particularly environmental pollution, should the code of ethics be revised to make the chemist’s responsibility to the health and well-being of the public and to the environment a higher priority.
[238] Chemical biology - Wikipedia — An overview of the different components included in the field of chemical biology. Chemical biology is a scientific discipline between the fields of chemistry and biology.The discipline involves the application of chemical techniques, analysis, and often small molecules produced through synthetic chemistry, to the study and manipulation of biological systems.
[240] Chemical Biology - Biology Simple — Chemical Biology, with its diverse applications, plays a crucial role in various fields.Drug Discovery and Development and Biotechnology and Genetic Engineering are two significant areas where Chemical Biology makes a significant impact.. Drug Discovery And Development. Chemical Biology contributes to identifying novel drug targets, leading to the development of more effective and safe
[241] What is chemical biology? - California Learning Resource Network — Chemical biology is an interdisciplinary research field that combines the principles of chemistry, biology, and physics to understand the behavior of molecules in living organisms. It is a rapidly evolving field that is revolutionizing our understanding of biological systems and is expected to lead to the development of new therapeutics
[245] Recent Advances in Omics, Computational Models, and Advanced ... - MDPI — It is imperative to comprehend the mechanisms that underlie drug toxicity in order to enhance the efficacy and safety of novel therapeutic agents. The capacity to identify molecular pathways that contribute to drug-induced toxicity has been significantly enhanced by recent developments in omics technologies, such as transcriptomics, proteomics, and metabolomics. This has enabled the early
[266] Machine learning in preclinical drug discovery | Nature Chemical Biology — Advertisement Indeed, with the growing abundance of public and private large-scale biological and chemical datasets, ML techniques are becoming well positioned as useful tools that can augment the traditional drug-development process. Specifically, we highlight an array of ML-based efforts, across diverse disease areas, to accelerate initial hit discovery, mechanism-of-action (MOA) elucidation and chemical property optimization. Non-covalent SARS-CoV-2 Mpro inhibitors developed from in silico screen hits. Deep learning tools to accelerate antibiotic discovery. CACHE (Critical Assessment of Computational Hit-finding Experiments): a public–private partnership benchmarking initiative to enable the development of computational methods for hit-finding. Advertisement Language editing services Author & Researcher services Language editing Scientific editing Librarian service & tools Librarian portal Advertising & partnerships Advertising Partnerships & Services
[267] The Role of AI in Drug Discovery: Challenges, Opportunities, and ... — Artificial intelligence (AI) has the potential to revolutionize the drug discovery process, offering improved efficiency, accuracy, and speed. AI-based approaches, on the other hand, have the ability to improve the efficiency and accuracy of drug discovery processes and can lead to the development of more effective medications. By combining the predictive power of AI with the expertise and experience of human researchers , it is possible to optimize the drug discovery process and accelerate the development of new medications . Recent developments in AI, including the use of data augmentation, explainable AI, and the integration of AI with traditional experimental methods, offer promising strategies for overcoming the challenges and limitations of AI in the context of drug discovery.