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Tag: "biopsies" at biology news

Genetics links whale to two different ocean basins

...The study examined DNA samples extracted from skin biopsies collected from whales in the wintering grounds of both the Indian and South Atlantic Oceans for evidence of inter-oceanic exchange of individuals. Using a method of genetic capture-recapture of genotypes constructed of microsatellite markers, the res...

Researchers identify genes associated with lung transplant rejection

...SF lung transplant patients, who regularly undergo biopsies as part of standard follow-up care. Another potential benefit of the research, predicts Caughey, will be a better understanding of lung rejection at the genetic level. In turn, he believes, this could lead to the development of medications that dire...

Identification of specific genes predicts which patients will respond to Hepatitis C treatment

...e leading indication for liver transplants. Liver biopsies were performed on the 31 chronic HCV patients before treatment, and were compared to 20 biopsies from healthy, uninfected livers. 16 patients did not respond to subsequent treatment, while 15 did; ...

Turning viruses into allies against cancer

...is was evidenced clinically and/or by histology in biopsies taken about two weeks after the final dose in a number of patients," said Jennifer Hu, M.B.B.S., a clinical research fellow at Hammersmith Hospital (Imperial College) in London, who conducted much of the study. "In some cases necrosis was considerabl...

Test for early detection of prostate cancer shows promise

...ng, may help reduce the number of both unnecessary biopsies and undetected prostate tumors,?said Getzenberg, I...mparison, only one-quarter of patients who undergo biopsies because they have elevated PSA values are actually positive for prostate cancer, while as many as 15...

Mitochondrial DNA mutations play significant role in prostate cancer

...nd 54 tissue samplesfrom patients who had prostate biopsies but were found to be cancerfree. Twelve percent of all the prostate cancer samples had mutationsin the COI gene, while less than 2 percent of the samples from patientsfound to be cancer free harbored mutations in this gene. In a controlsample of 1,01...

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