Silicon Investor (SI) -- The First Internet Community

STOCKTALK

We've detected that you're using an ad content blocking browser plug-in or feature. Ads provide a critical source of revenue to the continued operation of Silicon Investor. We ask that you disable ad blocking while on Silicon Investor in the best interests of our community. If you are not using an ad blocker but are still receiving this message, make sure your browser's tracking protection is set to the 'standard' level.

Biotech / Medical : T/FIF Portfolio -- Ignore unavailable to you. Want to Upgrade?

To: scaram(o)uche who wrote (811)	4/20/1999 1:01:00 PM
From: Jim Oravetz	Respond to of 1073

TUMOR OXYGEN LEVEL AND BLOOD FLOW FLUCTUATE, DUKE SCIENTISTS DISCOVER PHILADELPHIA - In a discovery that might help explain why widely used cancer therapies are less than optimal, Duke University Medical Center researchers have found that a tumor's oxygen level and blood flow can fluctuate rapidly. The Duke animal study, which contradicts previous assumptions about tumors, could be important because the two major cancer treatments, radiation and chemotherapy, depend on a constant high oxygen level and steady blood flow within a tumor, scientists said. "These fluctuations in oxygen level and blood flow are not predictable and might represent an impediment to radiation therapy and drug therapy," said Mark Dewhirst, co-director of the radiation oncology and hyperthermia program at Duke Comprehensive Cancer Center and associate professor of pathology. "Before this work, there was no way to reliably measure these values." Dewhirst prepared the findings for presentation Tuesday at an American Association for Cancer Research meeting. His study, which was done in collaboration with Rod Braun, assistant professor in radiation oncology, was funded by the National Cancer Institute. A report based on the results of this study has been accepted for publication by the American Journal of Physiology....snip... dukenews.duke.edu Jim