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2021 Fiscal Year Final Research Report

Potential abilities of visceral fat:circulation and immunity (hyper 2-way player)

Research Project

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Project/Area Number 19H03811
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 56070:Plastic and reconstructive surgery-related
Research InstitutionHokkaido University

Principal Investigator

Yamamoto Yuhei  北海道大学, 医学研究院, 教授 (70271674)

Co-Investigator(Kenkyū-buntansha) 林 利彦  旭川医科大学, 大学病院, 教授 (00432146)
舟山 恵美  北海道大学, 医学研究院, 准教授 (10533630)
石川 耕資  北海道大学, 大学病院, 助教 (60791374)
前田 拓  北海道大学, 医学研究院, 助教 (80813542)
小山 明彦  福島県立医科大学, 医学部, 教授 (70374486)
古川 洋志  愛知医科大学, 医学部, 教授 (00399924)
Project Period (FY) 2019-04-01 – 2022-03-31
Keywords内臓脂肪 / 循環・免疫系 / 大網・腸管膜 / milky spot / natural helper T細胞 / 機能的リンパ節移植法
Outline of Final Research Achievements

Reconstruction using various materials has been reported as a method of physiologic surgical treatment of impairment of local lymphatic system. In this study, we focused on the omentum, which is considered to play a central role immunologically among visceral fat and we examined it in an experimental animal model using mice.
We designed two models: a pedicled omentum transplantation model in which blood flow is maintained as a pedicled flap, and a less invasive free omentum transplantation model, and compared and examined the contribution of each group to lymphatic reconstruction. The results suggest that both groups may promote lymphatic remodeling.

Free Research Field

形成外科

Academic Significance and Societal Importance of the Research Achievements

リンパ系において局所の循環・免疫的な機能が破綻すると,リンパ浮腫や易感染性を生じる。失われたリンパ節を他の所属リンパ節で再建する場合,ドナーサイトに同様の局所リンパ系機能が損なわれることになる。本研究によってリンパ節に代わる組織移植材料として,大網が有用である可能性が示唆された。

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Published: 2023-01-30   Modified: 2025-01-30  

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