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2019 Fiscal Year Final Research Report

Development of new treatment targeting BRAF V600E mutation in malignant glioma

Research Project

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Project/Area Number 16K10762
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Neurosurgery
Research InstitutionKumamoto University

Principal Investigator

Kuroda Jun-Ichiro  熊本大学, 大学院生命科学研究部(医), 助教 (90536731)

Co-Investigator(Kenkyū-buntansha) 中村 英夫  久留米大学, 医学部, 准教授 (30359963)
篠島 直樹  熊本大学, 病院, 講師 (50648269)
牧野 敬史  熊本大学, 病院, 非常勤診療医師 (90381011)
Project Period (FY) 2016-04-01 – 2020-03-31
Keywords悪性神経膠腫 / BRAFV600E変異 / BRAF阻害薬
Outline of Final Research Achievements

BRAF V600E mutation causes activation of the RAS-MAP kinase pathway has also been recently reported in malignant glioma. Some malignant gliomas with this mutation have a poor prognosis due to cerebrospinal fluid dissemination and metastasis to other organs even after standard treatment consisting of removal, radiation therapy and chemotherapy. The purpose of this study is to establish the BRAF V600E mutant glioblastoma cell line, clarify the efficacy and pharmacology of BRAF inhibitors in preclinical studies, and future clinical development. We succeeded in establishing one cell line from glioblastoma with BRAF V600E mutation, but in vivo experiments did not lead to the establishment of orthotopic transplantation model and metastasis model of the cell line.We obtained new findings by analyzing clinical specimens.

Free Research Field

悪性脳腫瘍

Academic Significance and Societal Importance of the Research Achievements

悪性脳腫瘍は脳の臓器特異性から手術や薬剤を使用した治療法に制限を受け、予後も不良である。一方で脳腫瘍研究の進歩から治療ターゲットとなりうる遺伝子変異も多数、報告されてきている。本研究ではBRAFV600E 変異に注目して、悪性脳腫瘍の臨床例から本変異を有する細胞株を樹立した。この成果によってBRAF阻害薬の薬効検討や耐性獲得機序の解明の研究に資するという学術的意義を持つ、また、研究成果から悪性脳腫瘍に有効な新規治療法開発につながるという社会的意義を有する。

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Published: 2021-02-19  

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