The protein tyrosine phosphatase PTP1B is a negative regulator of CD40 and BAFF-R signaling and controls B cell autoimmunity.

Medgyesi D, Hobeika E, Biesen R, Kollert F, Taddeo A, Voll RE, Hiepe F, Reth M
J Exp Med. 2014 Mar 10;211(3):427-40. doi: 10.1084/jem.20131196. Epub 2014 Mar 3. PubMed Article

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