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2020 Fiscal Year Final Research Report

Examination of lymphangiogenesis effect on irradiated lymphatic endothelial cells by adipose tissue-derived stem cells.

Research Project

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Project/Area Number 17K11543
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Plastic surgery
Research InstitutionNagasaki University

Principal Investigator

YOSHIMOTO Hiroshi  長崎大学, 医歯薬学総合研究科(医学系), 准教授 (90513309)

Co-Investigator(Kenkyū-buntansha) 大石 正雄  長崎大学, 病院(医学系), 助教 (90751230)
Project Period (FY) 2017-04-01 – 2021-03-31
Keywordsリンパ管再生 / リンパ管内皮細胞 / 脂肪組織由来幹細胞 / 放射線照射 / 塩基性線維芽細胞成長因子
Outline of Final Research Achievements

Irradiated human adipose tissue-derived stem cells (ADSC) have been found to promote cell proliferation, migration and luminogenesis of human cutaneous lymphatic endothelial cells. Irradiation promotes the secretion of basic fibroblast growth factor from ADSC, and is thought to activate vascular endothelial growth factor-C, which is considered to be the most important factor in promoting lymphatic endothelial cell proliferation and lymphangiogenesis.

Free Research Field

形成外科学

Academic Significance and Societal Importance of the Research Achievements

本研究により、ヒト脂肪組織由来幹細胞はヒト皮膚リンパ管内皮細胞の細胞増殖能、遊走能および管腔形成能を促進し、さらにヒト脂肪組織由来幹細胞に放射線を照射すると効果がより高くなることが分かった。
放射線治療による四肢の二次性リンパ浮腫に対してヒト脂肪組織由来幹細胞が予防や治療に対して有効である可能性が示唆された。

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Published: 2022-01-27  

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