Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/113960
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Type: | Journal article |
Title: | CD19 regulates ADAM28-mediated Notch2 cleavage to control the differentiation of marginal zone precursors to MZ B cells |
Author: | Zhang, Y. Zhu, G. Xiao, H. Liu, X. Han, G. Chen, G. Hou, C. Shen, B. Li, Y. Ma, N. Wang, R. |
Citation: | Journal of Cellular and Molecular Medicine, 2017; 21(12):3658-3669 |
Publisher: | Wiley |
Issue Date: | 2017 |
ISSN: | 1582-1838 1582-4934 |
Statement of Responsibility: | Yu Zhang, Gaizhi Zhu, He Xiao, Xiaoling Liu, Gencheng Han, Guojiang Chen, Chunmei Hou, Beifen Shen, Yan Li, Ning Ma, Renxi Wang |
Abstract: | As the first line of defence, marginal zone (MZ) B cells play principal roles in clearing blood‐borne pathogens during infection and are over‐primed in autoimmune diseases. However, the basic mechanisms underlying MZ B‐cell development are still unclear. We found here that CD19 deficiency blocked the differentiation of marginal zone precursors (MZP) to MZ B cells, whereas CD19 expression in CD19‐deficient MZP rescues MZ B‐cell generation. Furthermore, CD19 regulates Notch2 cleavage by up‐regulating ADAM28 expression in MZP. Finally, we found that CD19 suppressed Foxo1 expression to promote ADAM28 expression in MZP. These results suggest that CD19 controls the differentiation of MZP to MZ B cells by regulating ADAM28‐mediated Notch2 cleavage. Thus, we demonstrated the basic mechanisms underlying the differentiation of MZP to MZ B cells. |
Keywords: | CD19; marginal zone precursors; MZ B cells; Notch2; ADAM28; Foxo1 |
Rights: | © 2017 The Authors. Journal of Cellular and Molecular Medicine published by John Wiley & Sons Ltd and Foundation for Cellular and Molecular Medicine. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
DOI: | 10.1111/jcmm.13276 |
Grant ID: | 2013CB530506 2015CB553704 81471529 81401332 81272320 81471540 81472647 |
Published version: | http://dx.doi.org/10.1111/jcmm.13276 |
Appears in Collections: | Aurora harvest 8 Medicine publications |
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