Characterization of the Interaction between CD45 and CD45-AP

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CD45-associated protein inhibits CD45 dimerization and upregulates its protein tyrosine phosphatase activity Running head: CD45-AP INHIBITS CD45 DIMERIZATION

CD45, a receptor-like protein tyrosine phosphatase (PTP), plays an essential role in lymphocyte development and immune responses. Recent evidence suggests that dimerization of CD45 downregulates its function. However, the mechanisms by which CD45 dimerization is regulated remain unclear and there is no direct evidence that the PTP activity of CD45 dimers is less than that of monomers. CD45 in l...

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Characterization of the interaction between galectin-1 and lymphocyte glycoproteins CD45 and Thy-1.

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CD45 in memory and disease.

CD45 (the leukocyte common antigen) is known to function as a tyrosine phosphatase in leukocyte signaling. Biochemical studies indicate that CD45 is involved in the regulation both of T cell receptor-associated kinases and Janus kinases that transmit signals from cytokine receptors. However, the function of the different isoforms of CD45 generated by complex alternative splicing, and indeed the...

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ژورنال

عنوان ژورنال: Journal of Biological Chemistry

سال: 1995

ISSN: 0021-9258

DOI: 10.1074/jbc.270.36.21151