Growth factor may determine who grows new blood vessels that protect against heart attacks
...nces inthe activity of their cells. If the answer proves to be a difference incellular activity, it could result from several things, including environmentalfactors or genetic influences. Dr. Levy and his colleagues said recent laboratory experiments using breastcancer cells lends credence to the theory th......t Shands at UF teaching hospital. If the technique proves successful in this and larger controlled trials, a vastnew source of AAT, at a sharply reduced price, potentially would be available totreat the estimated 100,000 Americans who have a deficiency of the protectiveprotein that helps to keep lung inflam......py for use in areassuch as dementia." The research proves that the gene Tsien used, called NR2B, is a key switch thatcontrols the brain's ability to associate one event with another, the corefeature of learning. Tsien had previously created mice that lacked the gene ina tiny region of the brain and showed ...Disconnecting molecular handbrakes has drastic consequences
...two members of the " SOCS "family of genes in mice proves lethal. Ihle's group and other scientists hadshown in several earlier research articles that eliminating one of the SOCSproteins causes lethality, but they did not know why until now. SOCS ,which stands for s uppressor o f c ytokine s ignaling,r...New machine may provide answers about leading cause of blindness
...tion between macular pigment levels andthe disease proves true, ophthalmologists will be interested in measuring the levels in patientswithout the disease and those with early signs of the disease, said Wooten. The new machine will only be ableto measure macular pigment in sighted people. Tho...Great increase seen in antibiotic-resistant bacteria in human colon
... in other bacteria. Because it finds a fit, "this proves the gene isbeing transferred as opposed to mutation," she said. "The DNA sequences werethe same." In Salyers' research, funded by the National Institutes of Health, tetracyclineproved to be the vehicle of transfer. It its absence, bacteria did not......n and young adults have no explanation. "The study proves for the first time that an unexplained drowning could becaused by a genetic defect that affects the heart's rhythm," says MichaelAckerman, M.D., Ph.D., a Mayo Clinic pediatric cardiologist and principalinvestigator of the study. "In a case study of a......gy programs for the EPA."If using genetic analysis proves feasible as a method, it can help us definemore targeted, effective conservation programs." Research team members Mari Kimura, an SFSU biology graduate student, and BorjaMila, director of the Point Reyes Bird Observatory's Latin America Program, hav......positive," said Dr. Simkin-Silverman. "This study proves that weight gain in middle age is preventable and feasible using a behavioral approach. Changing eating and activity habits is effective, but you must be committed. We're teaching habits for a lifetime." Dr. Simkin-Silverman will participate in...One theory solves two ancient climate paradoxes
...g Sun problem and the Snowball Earth problem if it proves to be correct. "I looked at the climate problems in the Archean, 3.8 to 2.5 billion years ago, where the environment was very warm with a sun that is much cooler than today's," says Dr. Gregory S. Jenkins, assistant professor of meteorology. "Then I......etic material has not been detected yet, his birth proves that TransgenICSI is a viablemethod to ultimately produce genetically modified models for human disease. A study earlier this year by a group at the University of Hawaii, led by Ryuzo Yanagimachi, Ph.D.,involves the production of transgenic mice. Us...Droughts worse than the 1930's likely in the 21st century
...will appear in the January 27th edition of Nature, proves for the first time that extreme fluctuations in the earth's water-resources during the last millennium occurred naturally in Eastern Africa. Mounting scientific evidence now suggests that large changes in climatic conditions have occurred across the ...Prostate cancer test works as well for black men, study shows
...ion on the traditional PSA test shows the new test proves as accurate in revealing cancer risk in African American men as it is in Caucasians. "It also shows that many African-American men could be spared the expense and trauma of prostatebiopsies," says Johns Hopkins urologist Alan W. Partin, M.D., Ph.D.,...Rare but deadly heart disease is curable, study shows
...n a million patients, yet in those people it often proves fatal. Effective treatments include medications to stimulate the heart muscle, thereby increasing blood flow, or an implantable mechanical pump to temporarily assist the heart with circulation, Hare says. Pumps can usually be removed safely after se......mental impact assessment, which is about to start, proves acceptable to both sides. But he adds that drainage work would probably begin in six months, before completion of the assessment. Many Amerindians have backed the scheme, says Spoede. "They want job opportunities for themselves and their children," h...More tolerable treatment for severe, obstructive sleep apnea around the world
...piratory and Critical Care Medicine proves that a tiny 2 millimeter opening can work as well when combined with a new technology to monitor the flow of air. The finding may lead to new treatments in the future. "This study gives us ...Cows and conservation: a round-up of speakers to discuss new ideas on ranching
...eate habitat, or manipulate habitats in a way that proves favorable to some native species. Budd will examine how a combination of grazing, fire and vegetative "rest" may lead to more dynamic and more diverse ecosystems. The loss of ranching can lead to the conversion of highly valuable riparian and welt...Small molecules used to block proteins in HIV
...pounds in cells infected with HIV. If the approach proves successful, it may be developed further and carried into human trials within the next five years. The use of molecular wedges may someday also provide a radical new way to approach other diseases and disorders. Chmielewski notes that due to their lar...MIT tool impacts multi-billion dollar drug
...turn, affects drug activity. The second PNAS paper proves this. WIDER IMPLICATIONS The work has even wider implications. Until now theres been no quick and easy way to determine the composition of heparin produced by any technique. The same is true for a newer generation of heparin products called low mole......ew research from Queen's Faculty of Health Science proves that at 30 weeks the fetus is indeed able to hear and just might be listening to your muffled words of love. Dr. Barbara Kisilevsky and her colleagues in Queen's School of Nursing have demonstrated for the first time that the human fetus can hea...