Tyrosine Phosphatase Inhibitors As New Immunomodulators

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: N/A
Agency Tracking Number: 21914
Amount: $49,834.00
Phase: Phase I
Program: SBIR
Awards Year: 1993
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
5166 Campus Drive, Plymouth Meeting, PA, 19462
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Robert E. Zipkin
 (610) 941-0430
Business Contact
Phone: () -
Research Institution
The goal of the research is to develop a potent pharmacologically useful inhibitor of the CD45 protein tyrosine phosphatase. CD45 is a transmembrane protein having a highly glycosylated extracellular region and a cytosolic domain which possesses tyrosine phosphatase activity. CD45 plays a critical role in the activation of both T- and B-lymphocytes, thus, inhibitors of CD45 may represent new immunomodulators or anti-inflammatory drugs. We will l) design and synthesize novel inhibitors of the CD45 protein tyrosine phosphatase based on a nonhydrolyzable pseudosubstrate approach, 2) evaluate the new compounds as inhibitors in an in vitro assay. The compounds developed in these studies will greatly increase our knowledge of the structure-activity relationships for protein tyrosine phosphatase inhibitors and may lead to the development of new research tools and therapeutics.

* Information listed above is at the time of submission. *

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