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DNA Encoding CAI Resistance Proteins and Uses Thereof

Description of Invention:
Novel targets for therapeutic intervention in cancer proliferation and invasion are needed. Calcium influx has been shown to be required for invasion. Carboxyamido-triazole (CAI), a synthetic blocker of calcium influx in nonexcitable cells, inhibits tumor and endothelial cell motility and decreases the expression of matrix metalloproteinases involved in invasion and angiogenesis. Thus, CAI plays a role in the inhibition of malignant proliferation, invasion, and metastasis of cancer cells. The effectiveness of CAI as a cancer therapeutic agent is currently being tested in clinical trials.

The technology which is available for licensing relates to the CAI resistance (CAIR-1) gene that encodes a protein identified in CAI conditioned cells. The CAIR-1 gene provides a potential source of information about the mechanism of drug conditioning and could also be useful as a marker for detecting the acquisition of a drug conditioned phenotype and/or as a target for intervention.

In addition, CAIR was also independently identified as BAG-3 and Bis. CAIR/BAG-3/Bis has been shown to play a role in protein folding inside the cell and to modulate programmed cell death (apoptosis). Thus, the CAIR/BAG-3/Bis protein serves as an important link between pathways regulating calcium influx, protein folding, and apoptosis and may be a valuable drug discovery target for therapeutic intervention in cancer proliferation and invasion.



Inventors:
Elise Kohn et al. (NCI)

Patent Status:
DHHS Reference No. E-112-1994/0-US-01 (U.S. Patent 5,652,223 issued 29 Jul 1997)
DHHS Reference No. E-112-1994/0-US-02 (U.S. Patent 5,981,712 issued 09 Nov 1999)
DHHS Reference No. E-112-1994/0-US-03 filed 08 Nov 1999 (U.S. Patent Application No. 09/436,469)

Portfolios:
Cancer

Cancer -Therapeutics-Conventional Chemotherapy
Cancer -Research Materials-DNA Based
Cancer -Diagnostics
Cancer -Therapeutics
Cancer -Research Materials


For Additional Information Please Contact:
Jasbir (Jesse) S. Kindra J.D.
NIH Office of Technology Transfer
6011 Executive Blvd, Suite 325
Rockville, MD 20852-3804
Phone: (301) 435-5559
Email: kindraj@mail.nih.gov
Fax: (301) 402-0220


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Updated: 6/04

 

 
 
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