期刊
FEBS LETTERS
卷 582, 期 20, 页码 3011-3017出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.febslet.2008.07.048
关键词
SHIP2; intersectin; EGF; endocytosis; MAPK; scaffold protein
We identified intersectin1 (ITSN1) as a new binding partner of the SH2 domain containing inositol 5-phosphatase 2 (SHIP2). The interaction between SHIP2 and ITSN1 was con. firmed in vivo. Src homology 3D, A, C, and E domains of ITSN1 were shown to be implicated in the interaction. In response to epidermal growth factor, SHIP2 expression could recruit the ITSN1 short form (ITSN1-S) to the cell membrane, while SHIP2 overexpression did not modulate the ITSN-mediated extracellular signal-regulated kinase1/2 and c-Jun NH2-terminal kinase activation. Our data provide a molecular link between SHIP2 and ITSN1 which are involved in receptor endocytosis regulation.
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