Canadian-led study identifies which colon cancer patients benefit from chemotherapy
...tients most likely to benefit from therapy, we can restrict therapy to that population and spare the remaining patients the trauma of that type of treatment."...Researchers locate tumor-suppressor gene in fruit flies that controls cell production, death
...n is important in humans because it is required to restrict abnormal growth of tissues," said Dr. Pan, the Virginia Murchison Linthicum Scholar in Medical Research. The researchers report also that hippo is linked to two other tumor-suppressing genes, Salvador and warts . "These three tumor-suppression ...ART laws put patients at risk and should be changed, warns head of Germany's IVF registry
...void triplets, is to allow embryo selection and to restrict to two the number of embryos that can be transferred to patients younger than 35. At present, Germany's laws reduce women's chances of becoming pregnant, but they do not prevent multiple pregnancies and all the risks associated with them." In women o...Fish is not always 'brain food'
...women who were pregnant or of child-bearing age to restrict their intake of shark, swordfish, king mackerel and tilefish. Governmental advisories in the United Kingdom and other countries also warn that the diet of children should not include contaminated fish species. This study suggests that this advice sh...Study suggests genetically modifying sunflowers for white mold resistance
...nsgenic plants or penalize them in ways that would restrict their spread. Finally, the study only looked at three locations. There was enough variation among the locales to suggest that there could be some circumstances under which wild, transgenic sunflowers might do better than indicated. The researchers re...Anti-HIV drugs save vision, improve outlook for AIDS patients
...hile 33 percent had 20/50 vision -- poor enough to restrict their ability to drive. Whites were less likely to have visual impairment, while injection drug users had a higher prevalence of visual impairment. Patients were followed monthly for disease progression. One year later, 42 percent of 426 patients ...Speedy elephants use a biomechanical trick to 'run' like Groucho
...to obese people, overcome the physical forces that restrict their motion. "We do find evidence that elephants run in a sense," said first author John Hutchinson, a Stanford postdoctoral research fellow in the Department of Mechanical Engineering. "It's an intermediate sort of gait, but it looks like what we b...Pavlov's flies: Researchers identify fruit fly memory mutants
...pecific subset of genes that is believed to act to restrict protein production to particular regions within brain neurons. The behavioral screen for memory mutants uncovered 60 genes, and the DNA chip analysis yielded 42 genes. Considering the seven genes that appeared in both groups, the study identified a t...Food fortification spurred by military purchases
.... Today, the Food and Drug Administration does not restrict the sale of unenriched products as long they are properly labeled, but most flour remains enriched with B vitamins, iron, and folate because of consumer demand. "The flour enrichment efforts during World War II can be an important model for developi...Researchers warn biotech advances could be misused by terrorists
... dangerous and render obsolete current policies to restrict access to dangerous pathogens. The Center for Civilian Biodefense Strategies recommends governments and the scientific community take steps to ensure security without hampering legitimate research or the flow of information. First, there must be an i...'Scientific balancing act' dominates AAAS top ten list of science policy stories for 2002
...ancing act," Teich points to government efforts to restrict access to "sensitive but unclassified" scientific information recently given a basis in law under the Homeland Security Act. Still lacking is a clear definition of the new category. Non-U.S. students were walking a tightrope with the advent of two e...Gene could hold key to predicting, combating life-threatening abnormal heart growth
...erates hypertrophic growth, and HDAC9 functions to restrict cardiac growth," said Olson. "If HDAC9 isn't prese...diac growth in response to stress, but it does not restrict normal cardiac growth during development or in response to exercise. Previous research had demonstra...Netting the NET: An anorexia nervosa gene is caught!
...sorder. To decrease their weight, sufferers either restrict their eating only (restricting anorexia nervosa), or vomit what they eat. Stress and anxiety are emotions experienced intensely by sufferers with anorexia nervosa. Stress and anxiety involve the norepinephrine neurochemical system. The NET is a prote...Low-carbohydrate, high-protein diets increase risk of kidney stones and may raise bone loss risk
...of internal medicine at UT Southwestern. "When you restrict the amount of carbohydrates you can go into a stat...rbohydrates, which are readily available. When you restrict carbohydrates the body then turns to other sources, one of which is fat. Ketone bodies are formed wh...UCSD researchers identify eye-formation strategy in mice
...mal eye size by stopping another set of genes that restrict eye cell-growth if left alone. Mice bred without the Six6 protein exhibited arrested eye development, sometimes with complete absence of optic nerve and optic chiasm, the location of x-crossed nerve fibers on the undersurface of the hypothalamus. To...Report considers role of science in a world made vulnerable by terrorism
...ch enterprise if the federal government decides to restrict the communication of scientific information and/or block the participation of foreign students in certain government-funded research projects. "The danger of overreacting, I believe, is quite real, and in fact, I believe it is already happening," wro...Physics tip sheet #3 March 6, 2002
...e: March 4, 2002) A proposal for new materials may restrict heat to flowing in one direction, analogously with electronic diodes. The authors suggest that these types of materials could be built with DNA strands or could be built with nanotechnology. Thermal diodes could reroute excess heat in a microchip or ...Fighting the spread of sudden oak death
...ly move from plant to plant, but that would likely restrict it to the west. Or it could be self-limiting and not move beyond its current range," explained Englander. "The big concern, though, is that people could transport it long distances either by moving plants around or by tracking infected mud from one ...URI Graduate School of Oceanography scientists examine the success of restored salt marshes
...ikes, roadways, and other man-made structures that restrict water flow and alter the delicate ecosystem. But how successful is the attempt to restore salt marshes? URI Graduate School of Oceanography (GSO) researcher Mary-Jane James-Pirri, along with GSO alumnus Kenneth Raposa of the Narragansett Bay Nation......ecies. In certain species, the top boys fight to restrict access to females, preventing subordinate males from mating. This can help pass on qualities such as strength to the next generation. But having only a few breeding males has its drawbacks. It also limits genetic variety in the population, making it...