Tag Archives: Nature
5 August 2012 Last updated at 22:33 ET Chemotherapy can undermine itself by causing a rogue response in healthy cells, which could explain why people become resistant, a study suggests. Continue reading
3 August 2012 Last updated at 20:13 ET Scientists from Edinburgh University have pinpointed a gene they say could lead to improvements in the diagnosis and treatment of prostate cancer. The team studied genes that control the formation of the prostate gland and identified one known as Decorin Continue reading
1 August 2012 Last updated at 13:00 ET By Pallab Ghosh Science correspondent, BBC News Researchers have discovered the cells in tumours that seem to be responsible for the regrowth of tumours. Three separate studies on mice appear to have confirmed the view that the growth of tumours is driven by so-called cancer stem cells. The researchers claim to have resolved one of the biggest controversies in cancer research and say their work marks a “paradigm shift” in the field Continue reading
Feces fossils show connection between Native-Americans, diabetes: Did fat-hoarding genes develop from the nature of ancient feasts?
ScienceDaily (July 24, 2012) Why do Native Americans experience high rates of diabetes? A common theory is that they possess fat-hoarding “thrifty genes” left over from their ancestors — genes that were required for survival during ancient cycles of feast and famine, but that now contribute to the disease in a modern world of more fatty and sugary diets. A newly published analysis of fossilized feces from the American Southwest, however, suggests this “thrifty gene” may not have developed because of how often ancient Natives ate. Continue reading
ScienceDaily (July 2, 2012) A study of students at seven public high schools in Texas suggests that “sexting” was prevalent and may be linked to teens’ sexual behaviors, according to a report published Online First by Archives of Pediatrics & Adolescent Medicine, a JAMA Network publication. Continue reading