Methods for identifying a tyrosine phosphatase abnormality assoc

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

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435 911, 435 912, 536 243, 536 2431, 935 77, 935 78, C07H 2164, C12P 1934, C12Q 168

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055366368

ABSTRACT:
The present invention relates to the isolation of genes encoding novel protein tyrosine phosphatases (PTPs) having SH2 domains, the nucleic acid sequences isolated, and the encoded phosphatases. The invention further relates to methods of altering tyrosine phosphatase activities encoded by the novel phosphatases. By altering (i.e., increasing or decreasing) tyrosine phosphatase activity, one can alter megakaryocyte cell function, and thereby alter platelet production. Alteration of the genes is associated with neoplastic disease.

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