Promoter Hypermethylation of the DNA Repair Gene <i>O</i>⁶‐<i>Methylguanine‐DNA Methyltransferase</i> is an Independent Predictor of Shortened Progression Free Survival in Patients with Low‐grade Diffuse Astrocytomas

Chiaki Komine, Takao Watanabe, Yoichi Katayama, +3

Brain Pathology

Mgmt Promoter MethylationGeneticsDna MethylationEpigenetic ChangePathology +18

Promoter hypermethylation profile of cell cycle regulator genes in pituitary adenomas

Atsuo Yoshino, Yoichi Katayama, Akiyoshi Ogino, +6

Journal of Neuro-Oncology

Pituitary AdenomasChromatinTranscriptional RegulationPituitary GlandMedicine +11

A Small Amount of Singlet Oxygen Generated via Excited Methylene Blue by Photodynamic Therapy Induces the Sterilization of Enterococcus faecalis

Chiaki Komine, Yasuhisa Tsujimoto

Journal of Endodontics

Singlet Oxygen GeneratedExcited Methylene BluePhotochemistryPhotodynamic TherapyMechanistic Photochemistry +7

O6-methylguanine-DNA methyltransferase methylation andTP53 mutation in malignant astrocytomas and their relationships with clinical course

Takao Watanabe, Yoichi Katayama, Chiaki Komine, +4

International Journal of Cancer

The p15^INK4b/p16^INK4a/RB1 Pathway Is Frequently Deregulated in Human Pituitary Adenomas

Akiyoshi Ogino, Atsuo Yoshino, Yoichi Katayama, +5

Journal of Neuropathology & Experimental Neurology

Epigenetic ChangePathologyEpigeneticsTumor BiologyMethylation Status +14

Aberrant Hypermethylation of <i>p14^ARF</i> and <i>O⁶‐methylguanine‐DNA Methyltransferase</i> Genes in Astrocytoma Progression

Takao Watanabe, Yoichi Katayama, Atsuo Yoshino, +5

Brain Pathology

Cancer PathologyEpigenetic ChangeGeneticsDna MethylationMolecular Biology +28

Deregulation of the TP53/p14ARF tumor suppressor pathway in low-grade diffuse astrocytomas and its influence on clinical course.

Takao Watanabe, Yoichi Katayama, Atsuo Yoshino, +2

PubMed

Promoter Hypermethylation of Mismatch Repair Gene <i>hMLH1</i> Predicts the Clinical Response of Malignant Astrocytomas to Nitrosourea

Takao Fukushima, Yoichi Katayama, Takao Watanabe, +4

Clinical Cancer Research

Telomerase activity in pituitary adenomas: significance of telomerase expression in predicting pituitary adenoma recurrence

Atsuo Yoshino, Yoichi Katayama, Takao Fukushima, +5

Journal of Neuro-Oncology

Therapeutic Implications of Interferon Regulatory Factor (IRF)-1 and IRF-2 in Diffusely Infiltrating Astrocytomas (DIA): Response to Interferon (IFN)-β in Glioblastoma Cells and Prognostic Value for DIA

Atsuo Yoshino, Yoichi Katayama, Takakazu Yokoyama, +6

Journal of Neuro-Oncology

Tumor BiologyNeuro-oncologyTumor InnervationMedicinePrognostic Value +10