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Cell-death receptor links cancer susceptibility and inflammation
Date:12/27/2007

mice without the TRAIL receptor that were irradiated developed chronic pneumonia, an inflammatory response, as well tumors, evidence pointing to the connection between cancer and inflammation via TRAIL. One benefit of this work is that it provides a new and unanticipated model implicating a TRAIL pathway deficiency in the chronic toxicity of radiation therapy, he notes. Inflammation is a common late and serious side-effect of radiation treatment in people.

El-Deiry and his team are now looking within tumor tissue for inflammatory molecules as clues to how cancer and inflammation are coupled. Our work with TRAIL and its receptor in mouse models represents a new way to look at cancer susceptibility and its potential therapy in humans as well as new ways to decrease debilitating radiation side-effects experienced by cancer patients, says El-Deiry.

Co-authors in addition to El-Deiry are Niklas Finnberg from Penn and Andres J.P. Klein-Szanto from Fox Chase Cancer Center, Philadelphia. This research was funded in part by the National Cancer Institute.

This release can be found at www.pennhealth.com/news.


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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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