Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report
...as a role," Stamlersaid. "This study shows why. NO influences myriad body functions becauseNO is a universal signal." The body keeps NO, which is toxic in excess, in balance by sensing how muchNO is present and turning genes on and off to keep NO in equilibrium. Ifthis equilibrium is upset, Stamler theorizes,...Nitric Oxide Found To Control Cells By Turning On Genes; Suggests New Role In Health And Disease
...as a role," Stamlersaid. "This study shows why. NO influences myriad body functions becauseNO is a universal signal." The body keeps NO, which is toxic in excess, in balance by sensing how muchNO is present and turning genes on and off to keep NO in equilibrium. Ifthis equilibrium is upset, Stamler theorizes,......with infants and toddlers. "A child's environment influences wordcomprehension, but there is no evidence that t... ever gathered to explore genetic andenvironmental influences on cognitive development in the second year oflife. Professor Reznick and his colleagues -- ...Scientists Identify Gene For Sexual Behavior In Male Flies
...t the gene, called fruitless and nicknamed fru , influences sexual orientation in the fly Drosophila melanogaster . Male flies with some mutations in the fru gene become bisexual -- they cannot tell other males fromfemale flies when courting. With this research, the team of geneticistscloned and isolated the...New understanding of crab populations may not bring fishermen's delight
... more research is needed to identifythose external influences more specifically. "In the history of population ...tsford says."It points us toward the environmental influences but doesn't identifythem. More research is needed to identify the actual impacts of winds, currentsa......uch as breastcancer and Alzheimer's, environmental influences play an importantrole in whether the person possessing the gene gets the disease."A person may have the gene that predisposes him to heartdisease, but if he has a good lifestyle, he may not get it,"Zallen said. A person thinking about being tested ne...Oak Regeneration In Some Ohio Forests Is Failing, Researchers Find
...arring any major disturbance such as fire orbiotic influences such as an insect infestation, oak may be experiencingreasonable regeneration on sites of high light and low moisture," said BrianMcCarthy, an associate professor in the Department of Environmental and PlantBiology at Ohio University and lead author ...A New Biochemical Link Established Between Stress, Sex And Dominance
... gonads. "In our lab, we have shown that behavior influences the brain," said Fernald. "We've seen that behavioral encounters can modify the GnRH producing cells, and we know that this hormone in turn triggers changes in body structures that influence reproductive success. Now we want to know how social behavi...NIH Office Of Dietary Supplements Expands Research Support
...upplements of L-arginine, an amino acid. Arginine influences protein synthesis rates and cell proliferation markers, and results of these studies will improve understanding of how supplements of this amino acid may affect tumor stimulation and suppression. The National Eye Institute and ODS will cosponsor a p......been identified in other hibernatinganimals as key influences on successful hibernation. But Florant's recent workwith graduate student Vanessa Hill offers the first evidence that high levels oflinolenic acid may inhibit successful hibernation, while balanced combinationsof the two acids provide a restful sleep..."Genetic Factors Influencing Cholesterol Response To Diet"
...ttern A and one pattern B parent. Similar parental influences were obtained in a study of 50 children of bothsexes. This result strongly suggests that genetic factors underlying thepredisposition to pattern B also influence the LDL response to reduced fatintake. Dietary fat-induced changes in LDL part......itus. This common,genetically influenced condition influences the blood cholesterol response to alow fat diet. "This trait is found in about one in three adult men and one infive to six postmenopausal women," he said. "Each of these features confers increased risk of coronary heart disease,resulting in a...Uterine Environment Boosts Learning Ability In Mouse Offspring
...rs? The researchers note intheir paper the unknown influences of non-autoimmunity and hybrid vigor in theCB6F1 mothers. But those influences are considered unlikely to account for sucha large difference in cognitive behavior. "We've raised a...Women Can Inherit Drinking Problem Too, Study Finds
... are of predominant importance in women butgenetic influences predominate in men -- a commonly held belief -- then we wouldhave expected to see very low concordance for alcoholism of unlike-sex twinpairs," Heath said. "That wasn't the case." The study also found that women with an alcoholic identical (monozygo...Small-Scale Fires Key To Understanding Forest Structure
...rs today(March 29) in Boston. "A slope's direction influences species distributions andfire vulnerability because of microclimates." Fire suppression began in 1905 and these forests which had widely spacedlarger trees became closed forests, densely packed with smaller trees, saplingsand seedlings. Fire...Homocysteine: A Possible Risk Factor For Alzheimer's Disease
...ry supplementationwith folic acid and vitamin B12, influences the development of Alzheimer'sdisease. Individuals should not take extra folic acid without consulting theirdoctor. Profesor David Smith, Chairman of the Department of Pharmacology at Oxford andhead of OPTIMA, said: `These findings are important beca...Gene Detected That Decreases "Bad" LDL Cholesterol In Men May Cut Heart Disease Risk By 50 Percent
...importance in regulating expression of the MTP and influences LDLcholesterol concentration," says Karpe. "These findings add to our understandingof how the LDL cholesterol level is regulated and suggest that genetic variationin the MTP expression may have important implications for the development ofcardiovascu...Neurogenetics Lab Scan Suggests Genetic Linkage On Chromosomes 4 And 11
...ities to identify common genetic and environmental influences on complex diseases such as alcoholism. The relatively reduced genetic and environmental variations in such populations make it easier to determine which genetic variants are co-inherited with alcoholism. Together with high alcoholism prevalence, th...Master Molecule Forms Brains In Frogs And Elbows In Mice
...articular interest to scientists is the way Noggin influences joint formation (and probably all of its physiological roles in different organisms). What happens in the absence of Noggin, Harland surmises, is that the future joints of mouse limbs are overtaken by growth factors called bone morphogenetic proteins......of ulcers," adds Levenstein, "but it also strongly influences how well you do under treatment once you have an ulcer." Panelists included Howard Spiro, M.D., of Yale, one of the most eminent gastroenterologists in the nation; Andre Dubois, M.D., of the Uniformed Services University of the Health Scien...