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2014 Fiscal Year Final Research Report

Analysis of molecular mechanisms underlying the diversity of very long-chain fatty acid synthesis and the muscle development.

Research Project

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Project/Area Number 25870001
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Biological pharmacy
Cell biology
Research InstitutionHokkaido University

Principal Investigator

OHNO Yusuke  北海道大学, 薬学研究科(研究院), 助教 (50611498)

Project Period (FY) 2013-04-01 – 2015-03-31
Keywords極長鎖脂肪酸 / 筋分化 / ミオパチー / 3-ヒドロキシアシルCoA脱水酵素 / HACD
Outline of Final Research Achievements

Fatty acids with a carbon (C) chain-length longer than 20 are called very long-chain fatty acids (VLCFAs). Although amounts of VLCFAs are quite smaller than that of long chain fatty acids (LCFAs) in organisms, VLCFAs exert a variety of biological functions that are not complemented by LCFAs. HACD family proteins (HACD1-4) catalyze a dehydration reaction in the VLCFAs elongation cycle, yet the biological functions of HACD family proteins have remained elusive. In this project, we investigated the roles of VLCFAs and HACD1 in the muscle development by using yeasts, mammalian cells, HACD1 knockout mice, and human biopsies as experimental materials, and we discovered that human HACD1 gene mutation causes myopathy. Furthermore, we demonstrated that HACD1 is involved in the synthesis of C24:1 fatty acid, regulation of membrane fluidity, and cell fusion during myogenesis.

Free Research Field

生化学

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Published: 2016-06-03  

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