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Block its recycling system, and cancer kicks the can, according to new Penn study
Date:5/8/2012

more effective in patients than hydroxychloroquine." Remarkably, however, when the investigators increase the dose of Lys05, some animals develop symptoms that mimic a known genetic deficiency in an autophagy gene, ATG16L1, which affects some patients with Crohn's disease . That similarity technically called a phenocopy clearly shows that Lys05 works by interfering with the recycling system in cells.

Lys05, and its companion compound Lys01, aren't quite ready for testing in patients, according to Amaravadi. Before that can happen, the molecules need to be optimized and undergo more toxicity testing in animals. Amaravadi and Winkler hope to team up with an industry partner for that portion of the project.

In the meantime, though, Amaravadi says the work illustrates just how important autophagy is to cancer cells, and provides an important new step for future therapies.


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Contact: Karen Kreeger
karen.kreeger@uphs.upenn.edu
215-349-5658
University of Pennsylvania School of Medicine
Source:Eurekalert

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