Genetic clue links selenium to breast cancer prevention
... said. Diamond and Hu's study focused on the role played in breast cancer by a selenium-containing protein called glutathione peroxidase -- an enzyme that is selenium-dependent and functions as an antioxidant. "The way we studied this was to look at a certain selenium-containing gene that encodes for sele...Prematurity, infections most likely causes of brain damage among infants
... and obstetrics. "In our study, oxygen deficiency played a very small role in the neurologic injuries seen in these infants. Even with the increase in the Caesarian rate from 5 percent to almost 25 percent, and the widespread introduction of electronic fetal heart rate monitoring, the incidence of cerebra...Protein critical for development in fruit flies found to aid healing of cuts and wounds in mammals
...ates. Geneticists have long been aware of the role played by "c-Jun"-a protein called a "transcription facto...s them migrate towards each other. To see if c-Jun played a role in wound healing in mammals, Cindy Gustafson-Brown and Guochun Li, postdoctoral fellows in Jo...Nitric oxide has important role in fever regulation, new study says
...ice when exposed to infectious agents. Each enzyme played a distinctive, but likely interactive, role. During fever associated with a systemic bacterial infection, neuronal nitric oxide synthase was involved in initiating fever; once the fever was initiated, inducible nitric oxide synthase was involved in m...Hypothermia helps brain heal after cardiac arrest, finds University of Pittsburgh study
...rchers sought to find out if hypothermia treatment played a role in survival from cardiac arrest and brain recovery. In animal studies, the researchers found that when the animals were cooled to 33 degrees Celsius (91.4 degrees Fahrenheit) beginning one hour after cardiac arrest, there was 100 percent survi...Dairy farmers protect groundwater, save money
...lantnutrients in the manure, the farmers typically played it safe andsupplemented the manure with commercial fertilizer. That was expensive for the farmers, and raised the risks of excessnitrogen and salts seeping into the valley's aquifers. In a three-year research and demonstration project, 11 San Joaquin...Environment loses to economic development in local policy-making
...omic policies. They also found that local business played little role in developing environmental policies, except on issues like congestion charging or estuary management, where they perceived they had a direct influence. However, environmental pressure groups, including those fighting to protect local ame...Memory for music: Musicians don't have to hear themselves perform after they learn a song
...well they remembered it. They played on an electronic keyboard and...imes they heard nothing. They played the piece 10 times with notation and then played it four times from memory. The...Scientists identify mechanism for tumor death by radiation
...howed that radiation damage to small blood vessels played a rolein radiation injury to the gastrointestinal tract. It was unclear thatthis would also happen in tumors," said Richard Kolesnick, M.D., head ofMemorial Sloan-Kettering's Signal Transduction Laboratory and one of thestudy's senior authors. "Our n...Fetus heart races when mom reads poetry
...sky tested 60 fetuses at term. Thirty fetuses were played a two-minute audiotape of their own mother reading a poem and 30 fetuses were played the voice of a female stranger reading the poem. The researchers found that the fetuses responded to...JGI and Diversa Corp. announce large-scale microbial sequencing collaboration
...ific literature. The Joint Genome Institute, which played a leading role in the recently completed effort to determine the DNA sequence of humans, is one of the world's largest and most productive genome sequencing centers. As part of the U.S. Department of Energy's Microbial Genome Program, JGI has alread...Researchers in Japan and UCSD discover novel role for pseudogenes
...nd experiments in mice determined that makorin1-p1 played a key role in regulating the stability of makorin1. "We further confirmed that this regulation was occurring by correcting the defect in the line of the initial transgenic mice," Wynshaw-Boris said. "If the mouse embryo had a defective copy of the ...Fifty years later, famous photo is in OSU's Pauling collection
...at scientist Rosalind Franklin and her X-ray photo played in the discovery. Franklin's original manuscript - and what appears to be the original "photo 51" - are in the Ava Helen and Linus Pauling Papers at Oregon State University. Pauling and other scientists were in a well-documented race with Watson and...Genetic abnormalities found in some ALS patients
... said that studying chromosomal rearrangements has played an important role in identifying genes involved in other diseases. "In ALS, this approach could be particularly helpful," he said. "Because the disease involves so many genes and since it mainly occurs sporadically, identifying potential genes by loo...Identification of gene gives hope to children with progeria; May shed light on phenomenon of aging
...ions from children with Progeria and their parents played an essential part in finding the gene." In 2001, PRF began working in partnership with major institutes of the National Institutes of Health (NIH), including the National Institute on Aging and the Office of Rare Diseases, to co-host a joint workshop...Researchers identify gene for premature aging disorder
...a Research Foundation's commitment and cooperation played a key role in the hunt for the disease gene. They brought the urgent need to find this gene to the attention of the biomedical research community." Earlier this week, Dr. Collins, as leader of the Human Genome Project, announced the successful comple...Scientists break down patterns in nature
...d involves the relationships between various roles played by the species present in an area (their niches). These relationships are often described in ecology as something akin to an "evolutionary tree" in which the branches reflect how ecological communities are organized--a tree-like organizational chart ...Odors summon emotion and influence behavior, new study says
...ontaining the same scent as the room in which they played the computer game; a room with a different, novel scent; or a room without scent. Participants who performed the word tests in a room with the scent from the computer game room spent significantly less time working on the problems than participants i...Researchers determine fundamental mechanisms involved in immune response
...about the actual machinery of CSR or what role AID played in initiating the process. Working with mice with targeted gene mutations, Alt's group focused on the sequence of the DNA involved in CSR. When a B cell is activated by an antigen, specific double stranded segments of DNA in the Ig split off and loop...University of Georgia scientists plot key events in plants' evolution
...dopsis indicates that genome duplications may have played a bigger evolutionary role than was previously thought. Why were these blocks of genes duplicated? When did this happen? Answering these questions involved a lot of computerized comparing and contrasting. The scientists repeatedly compared related pa...