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[Fas Antigen Expression on Human Hematopoietic Progenitor Cells]

[Fas Antigen Expression on Human Hematopoietic Progenitor Cells]

K Nagafuji, K Takenaka, Y Niho

Nihon Rinsho. 1996 Jul;54(7):1790-6.

PMID: 8741668

Abstract:

We investigated the expression of Fas(CD95) on hematopoietic progenitor cells. CD34+ cells freshly isolated from bone marrow did not express Fas. However, interferon-gamma(IFN-gamma) and/or tumor necrosis factor-alpha (TNF-alpha) induced the expression of Fas after 48 hours of serum-free culture. The TNF-alpha-induced Fas expression is mediated by p55-TNF-alpha receptor. Human CD34+ cells expressed Fas following low dose ionizing radiation in a dose-dependent fashion. CD34+ cells isolated from bone marrow were cultured with hematopoietic growth factors for 7 days. CD34+ cells cultured with hematopoietic growth factors gradually became positive for Fas and rapidly lost Bcl-2 expression. Fas system is considered to play important roles at the level of hematopoietic progenitor cells in both physiologic and pathologic conditions.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR4248880	FAS Receptor human			Price

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