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2020 Fiscal Year Final Research Report

Age-related changes in lipid metabolism and pathogenic mechanisms due to reduced L-serine synthesis

Research Project

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Project/Area Number 18K17950
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 59040:Nutrition science and health science-related
Research InstitutionKeio University

Principal Investigator

Sayano Tomoko  慶應義塾大学, 医学部(信濃町), 特任助教 (20733934)

Project Period (FY) 2018-04-01 – 2021-03-31
Keywordsセリン欠乏 / 脂質代謝 / コレステロール / 加齢
Outline of Final Research Achievements

To identify molecules affected by L-Serine (Ser) depletion and the molecular mechanism underlying the L-Ser deficiency-induced metabolic abnormalities, qPCR, Western blotting and LC-TOFMS was performed in this study. The results showed that L-Ser deficiency significantly alters metabolites related to Cholesterol, Fatty acid synthesis, and metabolic pathways. This indicates the role of L-Ser in maintaining cellular homeostasis.

Free Research Field

分子栄養学

Academic Significance and Societal Importance of the Research Achievements

セリン欠乏に連関した脂質代謝基盤が明らかになれば、アミノ酸欠乏が惹起する脂質代謝軸恒常性破綻が、従来病因の分子基盤が明らかになっていない神経変性疾患の新たな病因性として結びつけられると考えている。実際にアミノ酸代謝・スフィンゴ脂質代謝・コレステロール代謝の異常が原因となって発症することが示唆されている神経疾患は多く、これらの代謝軸の理解を目指す本研究は、代謝性神経疾患の病態解明とその治療戦略の構築に貢献できると期待している。

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Published: 2022-01-27  

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