Stretching bone marrow stem cells pushes them towards becoming blood vessel
...ith in the lab, though that flexibility comes with controversy and ethical questions not found in research on adult stem cells. But research on both types of stem cells holds the promise of treatment for diseased or damaged body parts. Experiments in stem cell differentiation, however, have traditionally relied...Poultry consumption, handling are risk factors for antibiotic resistance in humans
...ype of animal, but this is a timely example of the controversy regarding the appropriate use of antibiotics in food-producing animals. "We need to have drugs to treat sick animals," he added, "but we should not be using antibiotics to promote growth." Working with Belongia, as principal investigator, were member...Compelling evidence demonstrates that 'Hobbit' fossil does not represent a new species of hominid
... of a modern human microcephalic. Another area of controversy concerns the stone tools discovered in association with the Flores fossils. Initially, the discoverers claimed that the tools were sophisticated, as indeed they are. More recently, continuity has been claimed with tools from Mata Menge on Flores that...Scientists get best look ever at water-life connection
...is. But for now, this early result ends decades of controversy on what happens in the microscopic realm where wat... and so on." "My feeling is that there is no real controversy -- everybody is just looking at the same answer from different angles," he added. The answer, revea...Define 'precautionary principle' to avoid clashes over biotechnology under World Trade rules
...scussion could not be more timely given the recent controversy about genetically-modified contamination of US rice exports, the suspension of the Doha round and the prospect of countries re-examining disputes and grievances in the wake of the upcoming WTO ruling."...Is liver damage down the TRAIL for a promising cancer therapy?
...herapeutic agents to destroy tumor cells. However, controversy surrounds whether or not TRAIL affects nontumor cells, in particular cells of the liver -- which are known as hepatocytes. Now, Thomas Brunner and colleagues from the University of Bern in Switzerland show that although TRAIL alone does not kill mous...JCI table of contents: September 1, 2006
...herapeutic agents to destroy tumor cells. However, controversy surrounds whether or not TRAIL affects nontumor cells, in particular cells of the liver -- which are known as hepatocytes. Now, Thomas Brunner and colleagues from the University of Bern in Switzerland show that although TRAIL alone does not kill mous...ACS News Service Weekly PressPac -- August 9, 2006
...classified as a "known human carcinogen." However, controversy continues over the strength of the scientific evidence about human health effects from DLCs, the report notes. ARTICLE #1"Statistically Designed Survey of Polychlorinated Dibenzo-p-Dioxins, Polychlorinated Dibenzofurans, and Co-Planar Polychlorinat...Trees appear to respond slower to climate change than previously thought
... harsh climate." The DNA data help resolve an old controversy over the manner in which trees had migrated in response to past climate change, said Feng Sheng Hu, an ecologist at Illinois and corresponding author of the paper. "One view is that trees were restricted to areas south of the continental ice sheets ...Small-scale logging leads to clear-cutting in Brazilian Amazon
...that "Asner's group puts to rest another important controversy in the science of the Amazon rain forest. First they showed that forest degradation by loggers affects as much forest as clear-cutting for cattle ranching and swidden agriculture. This latest article demonstrates that these two processes are intimate...Debate continues on post-wildfire logging, forest regeneration
...and fire risk that were the source of considerable controversy earlier this year. In a publication last January by researchers from OSU and the Forest Service, based on a study of areas burned in Oregon's Biscuit Fire in 2002, researchers had concluded that post-fire logging resulted in significant ...Preventing ventilation induced lung injury depends on giving the right number of 'sighs'
...ry, it can be overdone. "There is still a lot of controversy and uncertainty about how best to ventilate the lu... Jason HT Bates of the University of Vermont. "One controversy is whether deep inflations, the "sighs" that each of us takes periodically, should ever be given, an...PIMCO founder and wife donate $10 million to stem cell research at UCI
...your convictions and do the right thing -- even if controversy follows a cause you support," Bill added. "Stem cell research will improve and save lives, and we want to do our part to help make that happen." With this gift, UCI continues its development as one of the premier centers for stem cell research in S...Findings by Einstein scientists reveal possible strategy against obesity, diabetes and infertility
...hallmark of diabetes. "There had been considerable controversy as to whether leptin controls glucose metabolism through STAT3 production or not," says Dr. Rossetti. "Using our technique for blocking STAT3, we were able to show that STAT3 is absolutely necessary for the acute effect of leptin on glucose metabolis...Fertility hope as study shows eggs survive in older ovaries
...epartment of Anatomy and Cell Biology, has sparked controversy among biologists and challenged the theory, held for more than 50 years, that female mammals are born with a finite number of oocytes (eggs). Two years ago, international researchers speculated that mice could continue to produce eggs throughout ...Increased sensitivity to nerve signals keeps diabetes at bay
... remained controversial," Wess said. "Much of this controversy has arisen because peripheral parasympathetic nerves release at least five different neurotransmitters, and increased parasympathetic outflow affects the function of many organs and tissues that have important metabolic functions." The researchers ov......octoral fellow Juan Manuel Encinas. To address the controversy surrounding the use of Prozac in children and in pregnant women, Enikolopov's group is currently testing the effects of the drug on brain neurogenesis in juvenile and pregnant mice. The results of those experiments may provide valuable information fo...FSU to host national forum on the future of science education
...rum also will extend beyond the intelligent design controversy to examine how a greater emphasis on science education is essential to the nation's future. Issues such as the United States' ability to compete in the global marketplace and the ramifications for our national security are just two of the topics like...UCSF Institute for Regeneration Medicine receives gift from Dolbys
...s name represented an advance both in freedom from controversy and in clarity. "A little later, David Kessler told us about the plan for a new UCSF building to advance regeneration research. We all thought this project would be a good opportunity to change the focus on the original stem cell name to something th...Gladstone scientists prove neurons produce Alzheimer's-linked apolipoprotein E
...pressed. "This study lays to rest a long-standing controversy concerning the neuronal expression of apoE," says senior author Huang, an assistant professor of pathology and neurology at UCSF. "Our study proves clearly that neurons produce apoE in response to injury. They support the notion that an understanding...