Arteries bio-engineered from elderly cells
...e lifespan of the vessels created from older cells proved to be an effective strategy. Growing arteries from the patient's own cells is important, Niklason said, since the ultimate goal is to engineer arteries that will resist immunological attack. This problem is avoided by growing the arteries from the pa...Cancer drug slows poxvirus in mice
...eevec inhibits Abl-family tyrosine kinases and has proved very useful in treating CML. To learn whether Gleevec could prevent or lessen vaccinia's ability to spread in a living organism, the researchers treated mice with either saline solution or with Gleevec at a dose equivalent to that given to humans bei...Melanoma research receives a massive funding boost
... the third most common cancer in Australia, it has proved to be one of the most difficult to manage. It most commonly affects those in the 30-45 year age group - people in the prime of their life- yet standard cancer treatments are often ineffective. The Sydney Melanoma Unit is a group of cancer researchers...Quality measures need to be field-tested, researchers find
...ry, as some indicators approved by an expert panel proved unworkable in daily practice. Antibiotics are prescribed to more than two-thirds of patients with LRTIs in Europe and the United States. Over-prescribing and inappropriate use of antibiotics can result in bacterial drug resistance, a burgeoning probl...... major threat to the public health. The UCSD team proved for the first time that the golden pigment that co... the skin of experimental mice." The investigators proved that the antioxidant effects of the Staph pigment were the key factor in virulence by repeating expe...Swamped city: New Orleans and nature
...w remove excess water from the city, and this task proved to be a difficult one. "Draining or removing wetlands from the city was a great challenge one that is still a problem today," he said. Early on, Colten said, city leaders attempted to control the excess water by imposing laws to control the dumpi...SCAI news: Drug-eluting stents prove mettle in heart attack patients
...or restenosis. Drug-eluting stents were originally proved safe and effective in patients with simple arterial narrowings causing chest pain, not in patients with heart attack. The new study involved 103 heart attack patients who were treated with the Cypher stent (Cordis Corp.). This stent is coated with s...Lung cancer deaths in the EU: declining in men but not women
...igation. Throughout Europe, tobacco companies have proved adept at expanding and maintaining their markets, especially among women, say authors of an accompanying commentary. Despite having declined, tobacco related deaths in males remain frighteningly high. It's time for Europe's doctors to treat tobacco d...'Good' bacteria helps ease pain of colitis
...ntal "good" bacteria (probiotics) to the intestine proved beneficial in treating ulcerative colitis, said Dr. Richard Fedorak, a professor of gastroenterology at the University of Alberta. The joint study included researchers from the University of Bologna in Italy and the University of North Carolina. In ...A new understanding of how immune system targets disease
...cal mechanism that determines immunodominance, and proved that it can be fine-tuned," said Andrea Sant, Ph.D., a professor within the David H. Smith Center for Vaccine Biology and Immunology at the University of Rochester Medical Center, and the study's lead author. "If confirmed, the findings could launch ...Cognitive therapy reduces repeat suicide attempts by 50 percent
...m of cognitive therapy designed to prevent suicide proved better at lifting depression and feelings of hopelessness than the usual care available in the community, according to Gregory Brown, Ph.D., Aaron Beck, M.D., University of Pennsylvania, and colleagues, who published their findings in the August 3, 2...Envisat monitoring China floods as part of Dragon Programme
...e layer. Dragon at sea Water away from the land proved another promising thematic area, with oceanographers taking a particular interest in the China Seas. Presentations covered how ocean colour measurements made by Envisat's MERIS can reveal marine phytoplankton populations important as the base of th...Wet combing four times more effective than chemical treatments for head lice
...rgent need to identify safe, novel insecticides of proved efficacy, they conclude....New method rapidly detects potential bioterror agent
...rol and Prevention (CDC) has yielded a method that proved to be 95.2 percent accurate in identifying and classifying Coxiella burnetii. The laboratory test delivers results in about five minutes compared to about two hours for the lab technique currently used to detect this bacterium. "Because of its poten...Mayo Clinic researchers invent 'hitchhiking' viruses as cancer drug delivery system
...man tumor cells that then infected the cells. This proved that the concept works. Collaboration and Support In addition to Dr. Vile, the Mayo Clinic research team included Caroline Cole, Ph.D.; Jian Qiao, M.D., Ph.D.; Timothy Kottke; Rosa Maria Diaz, Ph.D.; Atique Ahmed; Luis Sanchez-Perez; Gregory Brunn,...Findings relate aspirin-induced ulcers, hearing loss
...ibuprofen last December. "Effectively, our results proved that salicylate can stabilize holes that spontaneously form in lipid membranes, thus increasing membrane permeability", Raphael said. "Our study highlights the pivotal role played by the mechanical properties of membranes in biological processes." In...Jefferson scientists design method to fight artificial implant infections with antibiotics
...beads, could bind to its natural target. The tests proved that the vancomycin was bound and active. Finally, they added bacteria and showed that titanium beads with vancomycin on the surface killed the bacteria. When the beads were exposed to more bacteria, the vancomycin continued to kill the new infection...Elevated GGT enzyme may predict risk of death from cardiovascular disease
...ic strokes was not statistically significant. GGT proved a strong predictor of cardiovascular death, third behind smoking and hypertension but ahead of high levels of blood sugar, cholesterol and triglycerides. Ulmer cited two mechanisms that might explain why GGT can indicate cardiovascular disease. Th...1.7m to build world's first SIMS instrument combined with infra-red spectroscopy
...l years. Peter Gardner, said: "IR spectroscopy has proved a highly successful tool for diagnosing and monitoring a range of diseases, including prostate cancer". Nick Lockyer added; "The application of ToF-SIMS in cancer studies is extremely novel and this unique machine will allow us the new insights at th...Science commentary stresses need for collaboration at local level in HIV-prevention studies
...tions about how the research should be carried out proved to be more controversial than the idea of the clinical trial itself. "These recommended measures will help to build the type of local community trust that is the basis of successful research to find ways to stop the spread of HIV/AIDS," says lead a...