Axel P. Stevens

Quantitative profiling of tryptophan metabolites in serum, urine, and cell culture supernatants by liquid chromatography–tandem mass spectrometry

Wentao Zhu, Axel P. Stevens, Katja Dettmer et al. · Analytical and Bioanalytical Chemistry · 2011 · 149 citations

Quantitative Profiling, Biochemistry, Medicine +14

Down-Regulation of Methylthioadenosine Phosphorylase (MTAP) Induces Progression of Hepatocellular Carcinoma via Accumulation of 5′-Deoxy-5′-Methylthioadenosine (MTA)

Georgi Kirovski, Axel P. Stevens, B Czech et al. · American Journal Of Pathology · 2011 · 70 citations · Full text

Tumor Biology, Hepatology, Biochemistry +10

Direct and tumor microenvironment mediated influences of 5′‐deoxy‐5′‐(methylthio)adenosine on tumor progression of malignant melanoma

Axel P. Stevens, Barbara Spangler, Susanne Wallner et al. · Journal of Cellular Biochemistry · 2008 · 61 citations

Biological Microenvironments, Tumor Progression, Malignant Melanoma +20

Quantification of intermediates of the methionine and polyamine metabolism by liquid chromatography–tandem mass spectrometry in cultured tumor cells and liver biopsies

Axel P. Stevens, Katja Dettmer, Georgi Kirovski et al. · Journal of Chromatography A · 2010 · 44 citations

Biochemistry, Medicine, Liver Physiology +14

Amino Acid Analysis in Physiological Samples by GC–MS with Propyl Chloroformate Derivatization and iTRAQ–LC–MS/MS

Katja Dettmer, Axel P. Stevens, Stephan R. Fagerer et al. · Methods in molecular biology · 2011 · 39 citations