Critical protein prevents DNA damage from persisting through generations
...ssor Michel Nussenzweig, in collaboration with his brother Andr Nussenzweig at NCI and their colleagues, shows that when the ATM protein is absent, chromosomal breaks created during V(D)J recombination go unrepaired, and checkpoints that normally prevent the damaged cell from replicating are lost. Normal l...Stem cells may look malignant, not act it
...ent received infusions of bone marrow cells from a brother or an unrelated male donor. That enabled physicians to track the transplanted cells by screening for the Y male chromosome. They found that the cancers were mostly of female origin, but the malignant tissue often contained small areas of male marro...Fighting influenza and co. with 40,000 blood samples
...recently,' Oliver Schildgen says. SARS's little brother To do this the scientists want to analyse up to 40,000 anonymised blood samples which have been collected over the last few years at Bonn University Clinic. They come from patients who were taken to hospital with completely different ailments. For...Wolves are suffering less from inbreeding than expected
...that is inbred. It varies between 0 and 100%. If a brother and sister are mating, their offspring will have an inbreeding coefficient of 25%. This is about the average level for the present wolf population in Scandinavia. And our analyses have shown that inbreeding is negative, inbred wolves produce less num...African-Americans with prostate cancer more likely to have family history of prostate, breast cancer
...ased risk of prostate cancer among men reporting a brother diagnosed with the disease. Furthermore, breast c...ncer were 4.8 times more likely to report having a brother diagnosed with prostate cancer and about four times more likely to report a sister diagnosed with br...Tendency to hair loss inherited from the mother
...ss can take part," Dr. Kruse says. "If they have a brother who is affected and the parents are also prepared to give blood samples, so much the better. Volunteers taking part in the study will, of course, be paid for their assistance."...What makes someone your sister or brother? No easy question in 2005
...e working paper says that the question of who is a brother or a sister may seem to have a simple answer siblings are related by biology, through their parents, or at least one of them. Professor Edwards said: "This is often an assumption underpinning statistics. However, our research reveals that children'...Ophthalmologists implant five patients with artificial silicon retina microchip
...veloped the chip and founded Optobionics, with his brother Vincent, vice president of engineering. Optobionics is located in Naperville, Illinois. "This is an expansion of the study of the first 10 patients completed in 2002," says study investigator Dr. Kirk Packo, who oversees the three participating sites...University of Pittsburgh gets wired for speed with Apple Xserve G5 cluster
...es Numb3rs, an FBI agent relies on his math genius brother to find patterns and equations that help to solve crimes. With its new Apple Xserve G5 computing cluster, the University of Pittsburgh's Graduate School of Public Health (GSPH) is solving double-helix puzzles in human genetics every day and faster t...'You can't buy conservation,' suggests survey of Africa's rain forest parks
...rtment of Biological Anthropology and Anatomy; his brother Paul is a marine biologist, biostatistician, and private consultant based in Quebec; Siex is at the Wildlife Conservation Society in New York. The study was supported by the Center for Applied Biodiversity Science of Conservation International. The r...In the mating game, male wild turkeys benefit even when they don't get the girl
...erkeley - For wild turkeys, at least, helping your brother find a willing and eager mate is a better way to p...ch 3 issue of Nature. The cooperative courtship of brother turkeys is one case of the general evolutionary principle of kin selection, which posits that indivi...