Stowers researcher publishes DNA double-strand break repair discovery in Science
...tones. Histones are proteins that condense DNA and protect it from mechanical and other stresses, but also make DNA rather inaccessible." Multiprotein complexes are able to modify or mobilize histones to overcome the obstacle imposed by histones, and it has long been assumed that such complexes must ac...Latest census finds more American pika populations disappear as climate warms
...re responsible for either protecting or failing to protect our rich natural heritage from global warming," said Brooks Yeager, vice president, Global Threats, World Wildlife Fund. "Extinction of a species, even on a local scale, is a red flag that cannot be ignored--we must limit heat-trapping emissions from......arge arsenal of molecular pumps at its disposal to protect it against toxic substances such as antibiotics, p...Although antibiotic-producing bacteria are used to protect plants successfully against other pathogens, the phenazine antibiotics they contain cannot stop B. c...'Jumping gene' helps explain immune system's abilities
... insects, Craig notes. Bacterial jumping genes can protect bacteria from certain antibiotics. Scientists also are studying jumping genes as vectors to carry gene therapies and as potential modifiers to disrupt the growth-controlling genes of organisms such as mosquitoes and medflies.......e identified the means by which unstimulated cells protect the Notch receptor from activation. Recent studies by other labs had shown that a number of stages in the Notch cascade were subject to ubiquitination, in which proteins are tagged by a complex of ubiquitin proteins. This system is best known for it...Federal/private partners launch resource for diabetic kidney disease gene studies
...es well-known to predispose to type 1 diabetes. To protect the privacy of patients and families, researchers do not have access to names and other identifying information. "This study is of exceptional quality and offers a unique opportunity for genetic research," said Patricia Mueller, Ph.D., chief of CD...'Old-fashioned' gonad capsule simple and effective for blocking radiation to testes from MDCT scan
...shield is an inexpensive and easy-to-use method to protect the male gonads during MDCT," said Dr. Hohl. "In the beginning we were greeted with smiles for using this 'oldie' in a state-of-the-art MDCT scanner," he added. The study appears in the January 2005 issue of the American Journal of Roentgenology....US researchers uncover the science behind the breast cancer protective effect of olive oil
...high intake of oleic acid-rich olive oil, seems to protect against breast cancer. They have also found evidence that oleic acid may have a future role in treatment. The findings are reported (Monday 10 January) in Annals of Oncology[1]. The researchers have demonstrated in a series of laboratory experiments ...University of Pittsburgh receives award to study new theory of breast cancer development
... cells and, as a result, are unable to effectively protect against cancer spread and recurrence," said Dr. Donnenberg. "Findings resulting from this project may indicate the need for a critical adjunct to conventional therapy one that directly targets tumor stem cells and the activity of their drug-resistan...K-State professors develop vaccine to prevent abscess in liver of cattle
...on" because it has "so many systems" of defense to protect it. However, under certain conditions, when this bacteria crosses the stomach wall and gets into the blood stream, it is trapped inside the liver, producing a toxin which kills white blood cells or leukocytes, which generally defend the body from ger...Deficient DNA repair capacity associated with increased risk of breast cancer
... DNA repair is the system of defenses designed to protect the integrity of the genome. Studies have suggested that deficiency in cells' capacity for DNA repair contributes to the accumulation of DNA damage and accelerates the genetic changes involved in carcinogenesis. To evaluate whether reduced DNA repai...Key molecule in plant photo-protection identified
...have identified one of the key molecules that help protect plants from oxidation damage as the result of absorbing too much light. The researchers determined that when chlorophyll molecules in green plants take in more solar energy than they are able to immediately use, molecules of zeaxanthin, a member of t...A new New Year's reason to work out: Exercise improves three measures of heart protection
...y (HRT) was prescribed for postmenopausal women to protect them from cardiovascular disease (CVD). However, results from the Women's Health Initiative questioned its effectiveness, which has led to more caution in prescribing and using HRT for this purpose. So, are there other ways women can decrease thei...By age 6, children of overweight mothers are also prone to obesity
...overweight, suggesting that genetic influences can protect against obesity as well as predisposing to it. The only environmental influence apparent in the study was family income; lower income was associated with higher body weight, similar to the pattern found in adults. The researchers found no genetic inf...Report assesses health implications of perchlorate ingestion
... 10 be applied to the 0.007 mg/kg per day level to protect the fetuses of pregnant women who might have hypothyroidism or iodide deficiency. This results in the 0.0007 mg/kg per day reference dose recommended in the report. One committee member, concerned over the adequacy of the data, dissented and thoug...Parents' attitudes to sperm donation still some concerns about being open
...he parents felt there was no reason to tell, or to protect one or more family members, including the feelings of the child itself. Nearly 30% also felt that openness might affect the relationship between the father and child. Some feared the child might reject them with some fathers being concerned they woul...Chemical used in marine paint may damage hearing in whales
...chemical painted on the bottom of large vessels to protect against barnacles may cause hearing difficulties in whales and other mammals, according to a study by Yale researchers published in the Biophysical Journal. The chemical tributyltin oxide (TBT) affects the mechanical activity of the outer hair cells,...Reviewing scientists say proposed conservation measures unlikely to help whales
Ocean sanctuaries are unlikely to fully protect whales, say three independent scientists charged b... that the whales that the sanctuaries are meant to protect also spend part of the year in areas where they would be vulnerable to capture by whalers. "There is...VCU research shows erectile dysfunction drug reduces death of heart cells in heart attack model
... program into "preconditioning," which is a way to protect the heart muscle from serious damage in the future by depriving it for very brief periods of blood flow and, therefore, oxygen. In papers published in the September 2002 issue of the American Journal of Physiology, and the March 2003 issue of Circula......d that noise could bring order to chaotic systems, protect and maintain entire marine ecosystems, and even make the chemical industry greener. This research is reported today in a special Einstein Year issue of the New Journal of Physics ( www.njp.org ) published jointly by the Institute of Physics and the G...