The chemokine receptor CXCR4 is required for the retention of B lineage and granulocytic precursors within the bone marrow microenvironment

被引：546

作者：

Ma, Q

Jones, D

Springer, TA ^{[1
]}

机构：

[1] Harvard Univ, Sch Med, Ctr Blood Res, Boston, MA 02115 USA

[2] Harvard Univ, Sch Med, Dept Pathol, Boston, MA 02115 USA

来源：

IMMUNITY | 1999年 / 10卷 / 04期

关键词：

D O I：

10.1016/S1074-7613(00)80046-1

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

We report that the chemokine receptor CXCR4 is required for the retention of B lineage and granulocytic precursors within fetal liver and bone marrow microenvironment, in CXCR4-deficient embryos, pro-B cells are present in blood but hardly detectable in liver; myeloid cells are elevated in blood and reduced in liver compared to wild-type embryos. Mice reconstituted with CXCR4-deficient fetal liver cells have reduced donor-derived mature B lymphocytes in blood and lymphoid organs. The numbers of pro-B and pre-B cells are reduced in bone marrow and abnormally high in blood. Granulocytic cells are reduced in bone marrow but elevated and less mature in the blood. B lineage and granulocytic precursors are released into the periphery in absence of CXCR4.

引用

页码：463 / 471

页数：9

共 32 条

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