Article
HPK1 competes with ADAP for SLP‐76 binding and <i>via</i> Rap1 negatively affects T‐cell adhesion
6 Sept 2010
Abstract excerpt
The hematopoietic progenitor kinase 1 (HPK1) signals into MAPK and NFκB pathways downstream of immunoreceptors, but enigmatically is a negative regulator of leukocytes. Here, we report a novel role for HPK1 in regulating the activation of the adhesion molecule leukocyte function-associated antigen-1 (LFA-1). Upon TCR stimulation, mediated by binding of adhesion and degranulation promoting adaptor protein (ADAP)...
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