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Blood Antibody May Signal Start of Ovarian Cancer

WEDNESDAY, Aug. 17 (HealthDay News) — Researchers have found an antibody that might someday be useful in identifying women who have a higher risk of ovarian cancer, or possibly diagnosing early ovarian cancer. This particular antibody, which was detected in blood, develops as an immune system response to a protein called mesothelin. This protein is present in advanced ovarian cancer. Although mesothelin is...

Five Genes May Be Tied to Lethal Prostate Cancer

TUESDAY, Aug. 16 (HealthDay News) — In what may be a diagnostic advance, U.S. and Swedish researchers have linked five inherited genetic mutations to the development of a particularly aggressive and deadly form of prostate cancer. The findings could someday lead to development of an easy-to-administer blood test to screen for such mutations to help physicians assess the long-term risk faced by newly diagnosed...

Suicide-Bombing Bacteria Could Fight Infections

Like any good military unit, infectious bacteria have access to numerous weapons and efficient communication systems. But like soldiers in the field, they’re also susceptible to suicide bombers. Researchers have used the tools of synthetic biology to create an Escherichia coli cell that can infiltrate foreign bacteria and explode, killing off the pathogens along with itself. The project, says bioengineer Chueh Loo...

MS genetic discovery casts doubt on vein theory

Scientists have discovered 29 new genetic variations linked to multiple sclerosis, with many involving genes relevant to the immune system – a finding that they say bolsters the theory that MS is a primarily an autoimmune disease. The new study, published Wednesday in the journal Nature, is the largest-ever study on the genetics of multiple sclerosis. More than 250 scientists collaborated on the work, and close to...

New tests screen for gum disease, oral cancer

Future dental visits may involve more than a simple cleaning. Oral DNA testing may also help screen patients for gum disease or oral cancer. Dr. Jessica Lawson of Urbandale Family Dentistry began offering the tests last spring. Two tests involve gum disease and a third for oral human papillomavirus, or HPV, assesses risks for oral cancer. Researchers anticipate salivary testing may become the diagnostic tool of the...

Urine Test May Help Detect, Stratify Prostate Canc...

In men with elevated prostate specific antigen (PSA), an investigational urine test can detect and stratify prostate cancer, researchers reported. The test is based on the detection of a gene fusion that is specific to prostate cancer, combined with another marker, according to Arul Chinnaiyan, MD, PhD, of the University of Michigan Medical School in Ann Arbor, and colleagues. Stratifying patients by the combined marker...
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