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New compound holds high promise in battling kidney cancer
Date:2/19/2013

ing bacterium Pseudomonas syringae. TIR-199 is a synthetic relative of syringolin.

"At UCR we began to work on, and completed the synthesis of, two compounds from this class of compounds," Pirrung said. "Of the two, TIR-199 showed most promise."

Pirrung's lab first shipped TIR-199 samples to the University of Hawaii, Hilo, where Andr Bachmann, an associate professor of pharmaceutical sciences and Pirrung's collaborator, studied TIR-199 in test-tube assays for how it worked against the proteasome. Bachmann then tested the compound against a limited number of cancer cell lines that showed that TIR-199 was effective against the cancer cells. What remained unclear, however, was if TIR-199 was toxic to normal cells.

Encouraged by these results, Pirrung submitted TIR-199 samples to the National Cancer Institute at the National Institutes of Health, where the compound was subjected to a rigorous 60-cell screening used routinely to test compounds for their effectiveness in battling 60 kinds of cancer, including leukemia, lung, colon, brain, breast, ovarian prostate and renal cancers.

"We were very excited when the NCI informed us that TIR-199 has excellent potential to be moved to drug development because of its selective activity against renal cancer," Pirrung said. "This is good news also because the NCI scientists told us there really are no good drugs out there to fight renal cancer."

Next, the NCI will test TIR-199 on cells grown in a hollow fiber that partially mimics the body by offering a three-dimensional environment. If the test results are positive, TIR-199 will be tested on mice.

The UCR Office of Technology Commercialization has
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Contact: Iqbal Pittalwala
iqbal@ucr.edu
951-827-6050
University of California - Riverside
Source:Eurekalert  

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