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NEWS ABOUT: genetic mutation

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New Key to Breast Cancer Discovered

Understanding BRCA1 mutation may lead to new treatments

(Newser) - Scientists believe they've made a breakthrough discovery in why a certain genetic mutation can cause a particularly deadly form of breast cancer. Mutations in the BRCA1 gene are apparently linked to the loss of an important protein, PTEN, that checks cell growth, according to a new study in the journal... More »

First Americans Migrated From Siberia

Research contradicts theory of multiple arrivals from Asia

(Newser) - Native Americans are descended from a single group that migrated from Siberia 12,000 years ago, new genetic research suggests. An alternate theory suggested that Native American ancestors migrated in several waves over land and sea from Asia, but the new study shows that native peoples from all over the... More »

Lonely People's Genes Make Them Sick

Loners' DNA shows impaired immune system, study says

(Newser) - Scientists say they’ve figured out why loners get sick and die young: “a highly suspicious conspiracy of genes” screws up their immune systems, Reuters reports. Their altered DNA can lead to heart disease, arthritis, Alzheimer’s and other problems. “There is something about being isolated and lonely... More »

Grapevine Genome Yields Secrets

Discovery reveals what makes wine taste good and why it's good for you

(Newser) - Grapevines have extra genes that are responsible for making wine taste and smell so good, a new study finds. A team of researchers from France and Italy (where else?) mapped a pinot noir-related grapevine's genome and found it has twice as many genes linked to resin and oil—which give... More »

Drug Targets Hundreds of Disorders

Magic bullet hits mutations that prompt 1,800 genetic diseases

(Newser) - A magic bullet that could treat cystic fibrosis, muscular dystrophy, hemophilia and more than 1,800 other genetic disorders could be available by 2009. Lee Sweeney of UPenn, leader of the team developing the drug, tells the Times of London: “It doesn’t just target one mutation that causes... More »

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