First biomarker discovered that predicts prostate canc...( more research is necessary. Mayo is pla...),Health

Date:8/14/2007

, more research is necessary. Mayo is planning clinical trials for a number of cancers in late 2008, and researchers are currently developing the necessary therapeutic antibodies to be used in these studies. Investigators expect that clinical laboratory tests for the B7-H proteins may become available at Mayo to assist with the assessment of patients with kidney cancer by late 2007 or early 2008, and then for prostate cancer patients shortly thereafter.

Unique Mayo Registry Key

This study was possible because of Mayos unique patient registry for prostate cancer. The registry contains hundreds of discrete pieces of information, ranging from environmental factors to specific medical test results, for more than 15,000 prostate cancer patients, all followed prospectively since the first patient was entered into the database in 1970. The Mayo Clinic prostate cancer and kidney cancer registries represent the most detailed and complete cancer reference tools in the world. Using the latter registry, Mayo investigators were previously able to link high levels of another B7-H molecule, B7-H1, to poor kidney cancer outcomes, including significantly shortened survival times.

Without the key road maps provided by these registries, the recognition of important molecules that drive cancer would not be feasible, say the researchers. Use of these patient registries enables laboratory science to be directly linked to patient care and survival following treatment.

To a large extent, working with these registries dramatically lessens the time, resources and effort that are required to link a candidate molecule to its role in cancer development and progression, says Dr. Kwon, who is also the co-director of the Cancer Immunology and Immunotherapy Program in Mayo Clinic Cancer Center. Our studies are the very first to provide a clear link between immune molecules and the behaviors of various cancers.

Dr. Kwon and his fellow researchers
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Contact: Elizabeth Zimmermann newsbureau@mayo.edu 507-284-5005 Mayo Clinic Source:Eurekalert

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