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2023 Fiscal Year Final Research Report

Analysis of novel mechanisms of aging-related diseases focusing on Golgi stress signaling

Research Project

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Project/Area Number 19H04030
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 59040:Nutrition science and health science-related
Research InstitutionGifu University

Principal Investigator

Oh-hashi Kentaro  岐阜大学, 工学部, 教授 (50332953)

Co-Investigator(Kenkyū-buntansha) 石垣 診祐  滋賀医科大学, 神経難病研究センター, 教授 (40378170)
高島 茂雄  岐阜大学, 糖鎖生命コア研究所, 准教授 (50537610)
天谷 文昌  京都府立医科大学, 医学(系)研究科(研究院), 教授 (60347466)
内尾 こずえ  国立研究開発法人医薬基盤・健康・栄養研究所, 医薬基盤研究所 創薬資源研究支援センター, 主任研究員 (70373397)
Project Period (FY) 2019-04-01 – 2024-03-31
Keywordsゴルジ体ストレス / CREB3 family / ERAD
Outline of Final Research Achievements

In this study, I focused on CREB3 as one of the Golgi stress signal sensors. In particular, I analyzed the regulation of expression and degradation of CREB3 and CREB3L2 as CREB3 family members, and ATF6, which has a similar structure to CREB3. We also established Neuro2a cells deficient in CREB3 and ATF4, and analyzed putative CREB3-target genes and ER stress inducible genes. Finally, analysis using OSW-1, an anti-tumor compound with a cholesterol skeleton, revealed the existence of an atypical Golgi stress pathway that does not involve CREB3 activation. Our findings are expected to lead to the development of new Golgi-targeted drugs and indicators.

Free Research Field

細胞分子生物学

Academic Significance and Societal Importance of the Research Achievements

本研究では、ゴルジ体ストレスセンサーの1つCREB3ファミリーの発現及び分解制御、そして、CREB3のストレス応答への役割について検討を行った。とりわけ、本研究において樹立した各種ERAD不全細胞株、CREB3などのゴルジ体・小胞体ストレス誘導性転写因子欠損細胞株は、今後、ゴルジ体・小胞体ストレスの詳細な解析や薬剤開発に役立つものと考えられる。

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Published: 2025-01-30  

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