Arginine methylation of the B cell antigen receptor promotes differentiation.
Arginine methylation of the B cell antigen receptor promotes differentiation.
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DOI:
10.1084/jem.20091303
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发表时间:
2010-04-12
期刊:
影响因子:
--
通讯作者:
Reth M
中科院分区:
文献类型:
--
作者:
Infantino S;Benz B;Waldmann T;Jung M;Schneider R;Reth M
Signals processed through the B cell antigen receptor (BCR) control both the proliferation and differentiation of B lymphocytes. How these different signaling modes are established at the BCR is poorly understood. We show that a conserved arginine in the tail sequence of the Igα subunit of the BCR is methylated by the protein arginine methyltransferase 1. This modification negatively regulates the calcium and PI-3 kinase pathways of the BCR while promoting signals leading to B cell differentiation. Thus, Igα arginine methylation can play an important role in specifying the outcome of BCR signaling.
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