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2018 Fiscal Year Final Research Report

The mechanism for the proliferation of epidermal stem cells during pregnancy

Research Project

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Project/Area Number 17H06809
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Dermatology
Research InstitutionKyoto University

Principal Investigator

Ichijo Ryo  京都大学, ウイルス・再生医科学研究所, 特定助教 (50804382)

Project Period (FY) 2017-08-25 – 2019-03-31
Keywords妊娠 / 表皮 / 幹細胞
Outline of Final Research Achievements

In this study, we conducted the research to reveal the heterogeneity of interfollicular epidermal stem cells in pregnancy. Pregnancy-specific cell populations were identified by single cell RNA sequence using Tbx3-creERT2 / R26-H2B-EGFP mice. By extracting EGFP positive cells on the data, it revealed that the gene expression of EGFP positive cells differentiated. We also confirmed that EGFP positive cells were delaminated after delivery by whole mount staining.

Free Research Field

分子生物学

Academic Significance and Societal Importance of the Research Achievements

近年、表皮幹細胞は均一な細胞群であると考えられている。よって、本研究により、表皮幹細胞のheterogeneityが証明されれば、現状では解明が困難であった皮膚病や癌研究に貢献できる可能性がある。表皮幹細胞のheterogeneityが基底細胞の増殖を亢進するメカニズムを解明することは、新たな表皮の増殖制御機構を明らかにする可能性があり、妊娠や老化などの「ライフステージ」による皮膚変化の解明に応用でき、社会に与えるインパクトは大きいことが予想される。

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Published: 2020-03-30  

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