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2022 Fiscal Year Final Research Report

Is decreased levels of serum osteocalcin associated with increased risk of type 2 diabetes mellitus and atherosclerosis? - A 10-year follow-up study -

Research Project

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Project/Area Number 20K10516
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 58030:Hygiene and public health-related: excluding laboratory approach
Research InstitutionKindai University

Principal Investigator

Yura Akiko  近畿大学, 医学部, 講師 (80142595)

Co-Investigator(Kenkyū-buntansha) 伊木 雅之  近畿大学, 医学部, 教授 (50184388)
玉置 淳子  大阪医科薬科大学, 医学部, 教授 (90326356)
神谷 訓康  大阪医科薬科大学, 医学部, 講師 (90780073)
Project Period (FY) 2020-04-01 – 2023-03-31
Keywordsオステオカルシン / 低カルボキシル化オステオカルシン / 2型糖尿病 / 動脈硬化
Outline of Final Research Achievements

We investigated whether osteocalcin (OC) and undercarboxylated osteocalcin (ucOC), which are hormones that regulate glucose metabolism in animals, increase the risk of diabetes, metabolic syndrome (MS), and arteriosclerosis in humans. In 1316 women who participated in the JPOS cohort study, excluding those who had these outcomes at baseline, new onsets were captured during the following 10 years. As a result, there was no significant association with OC, and the lowest quartile of ucOC tended to have a higher risk of developing diabetes, and a significantly higher risk of developing MS. It was suggested that ucOC may regulate glucose metabolism and is involved in the development of MS also in humans.

Free Research Field

小児のアレルギー関連疾患の大規模疫学研究、骨粗鬆症等の生活習慣病の疫学研究

Academic Significance and Societal Importance of the Research Achievements

本申請課題により、低ucOCがインスリンを介して、血糖値を上げ、アディポネクチンを介してインスリン抵抗性を増強し、もって糖尿病とメタボリック症候群のリスク、動脈硬化進展の度合いを高めるという仮説が証明されれば、ucOCがある値より低ければ、2型糖尿病やメタボリック症候群の発生や動脈硬化が進展するリスクが高いことがわかり、ハイリスク者に重点的な発症予防策を講じることによりこれらの疾患、ひいては循環器疾患の発生を効率的に予防することが可能になる。健康寿命延伸を阻む課題となっている糖尿病や動脈硬化性疾患の発症前発見と対策に道を開くことができる。

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Published: 2024-01-30  

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