Keeping track of pro-B cells: a new model for the effects of IL-7 during B cell development

被引:12
作者
Monroe, JG [1 ]
Allman, D [1 ]
机构
[1] Univ Penn, Sch Med, Dept Pathol & Lab Med, Philadelphia, PA 19104 USA
关键词
IL-7; B cell; development;
D O I
10.1002/eji.200425532
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Trophic and instructive models have been invoked to explain how various cytokines influence the survival, proliferation and differentiation of lymphoid progenitors. There is evidence that IL-7 can act in either a trophic or an instructive manner during B and T cell development although its roles in B cell development in the fetus versus the adult mouse and in the mouse versus the human may vary. Here we outline the stages of B cell development and the conventional model of the role of IL-7 in the transitions from pro-B cells to pre-B cells and then to immature B cells. We also discuss the implications of recent data that have led to a new model for this process.
引用
收藏
页码:2642 / 2646
页数:5
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