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2018 Fiscal Year Final Research Report

Mechanisms of immunoregulation by dead cell clearance

Planned Research

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Project AreaHomeostatic Regulation by Various Types of Cell Death
Project/Area Number 26110006
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionTokyo University of Pharmacy and Life Science

Principal Investigator

Tanaka Masato  東京薬科大学, 生命科学部, 教授 (00294059)

Research Collaborator ASANO Kenichi  東京薬科大学, 生命科学部, 准教授 (10513400)
OIKAWA Akira  国立研究開発法人理化学研究所, 環境資源科学研究センター, 客員研究員 (50442934)
Project Period (FY) 2014-07-10 – 2019-03-31
Keywords細胞死 / マクロファージ / 貪食
Outline of Final Research Achievements

This project aimed to reveal the molecular mechanisms of immunoregulation by dead cell clearance played by macrophages, and obtained following findings; 1. We revealed roles of intestinal CD169-positive macrophages in colitis, and identified the transcriptional factor regulating the function of these macrophages. 2. We revealed the regulatory mechanisms of neutrophil function by macrophages, and the molecular mechanisms of netosis. 3. We identified novel monocyte subset that contributes to repair of injured tissues.

Free Research Field

免疫学

Academic Significance and Societal Importance of the Research Achievements

死細胞処理と炎症制御を担う腸管マクロファージの機能分子の同定とその発現制御機構が解明されたこと、および、組織修復に寄与する新規単球サブセットの同定に成功したことから、生体内の細胞死に対する自然免疫応答の一端が明らかとなった。また、好中球から放出されるダイイングコードの同定と機能の解明にも成功し、将来の組織傷害に対する治療法開発に道をつけることができた。

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Published: 2020-03-30  

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