Data show investigational antibiotic safe, effective in preventing travelers diarrhea
...elers' diarrhea threatens up to 50 million persons going to Mexico and Latin America, Africa and southern Asia each year. The illness can render travelers bed ridden for a full day or more, and considerably decrease their energy for up to a week or longer. In addition, a bout of travelers' diarrhea can a...Biologists uncover genetic links to broad range of human disorders resulting from cilia dysfunctions
...e cilia-building and functioning processes. That's going to be a technically demanding, but exciting challenge." Other researchers who contributed to the study included Edmund Koundakjian and Andrey Polyanovsky, biologists in Zuker's laboratory; Andreia Maer and Shankar Subramaniam of UCSD's San Diego Supe...Study examines future of species extinction, conservation
...environmental factor, with the least tolerant ones going extinct first. "We know that some species are more...gradation. "One important message is that if we're going to understand the consequences of extinction, we need to pay attention to order," says Bradley Cardi...Whales, seals or men? Who stole all the fish?
...cts over who is taking all the fish. "If there are going to be problems, they are not at a global level. They are at a local level, of local fisheries affecting local populations of marine mammals," says Phil Hammond, a marine mammal biologist at the Sea Mammals Research Unit of the University of St Andrew...Research points to potential obesity treatment
...mal weight, the effect plateaus out -- this is not going to be the anorexic's drug of choice, because when there's no more stored fat, you can't change the balance. We think it's got significant potential for obesity therapies." MSH research pioneer Victor Hruby, agrees. "It's clear that the POMC gene and ...Dampened hopes for transplanting bone marrow stem cells in heart attacks
...ction from stem cells is regulated. They are also going to carry on their work to understand what fusion between bone marrow cells and heart musculature might entail, both in adult hearts and in fetal development....Into the dead zone: Galveston researcher examines loss of marine life
... determine what specific biological activities are going on there - and their interactions with the chemical and physical environment. Whatever is happening is causing a large amount of marine life to die." Studies by the United Nations Environment Program show that the number of dead zones in the world's ...Tropical legume could be alternative hay/forage crop for Texas
...th said. "Compared to bermudagrass, it's generally going be higher in protein." But while cattle don't like cowpeas, they find lablab forage highly palatable. White-tailed deer, which can be picky eaters, will also browse lablab, making it a good, low-management crop for supplemental feed in wildlife plo...UCSD bioengineers develop first genome-scale computational model of gene regulation
...e of how much more quickly biological discovery is going to progress now, given that we have high-throughput experimental tools for gathering large volumes of data, and the use of these tools can be guided by computer models," said Bernhard Palsson, professor of bioengineering at the UCSD Jacobs School of ...Insulin-producing pancreatic cells are replenished by duplication
...that the only source of new beta cells is probably going to be embryonic stem cells, because there don't appear to be adult stem cells involved in regeneration." Melton emphasized that although the results by his group cannot rule out the existence of beta-cell-producing adult stem cells, "they raise the b...Kinase backgrounder: Iressa discovery part of major kinase project at Dana-Farber
...at every kinase has an inhibitor, but I think it's going to be much closer to the rule than the exception."...iority for Dana-Farber. "One way or another, we're going to accomplish this," states DFCI President Edward J. Benz Jr., MD. "The project is one of our most i...Discovery helps explain how cells package DNA
...f. "If the DNA isn't properly packaged, that's not going to work right," he says. The proper packaging of DNA is important for cancer cells, too. Cancer is caused by unrestricted cell division. Parthun's research might therefore help lead to drugs that can block this process and lead to new cancer therapie...Inflammation, hypertension are focus of major new MCG research program
...experts and they tell you your gene information is going to be imprinted on a credit card one day and it's going to tell you whether you secrete too much interleukin-6 or something like it and that you need a spec...Bye-bye Bio 101: Teach science the way you do science
...ch science at its best. If scientific teaching is going to replace lectures and "cookbook" labs in which the results are already known, the policy paper says that research universities and scientists must lead the way. The authors recommend: Revamping introductory lecture courses to include active parti...Citizens asked to monitor impact of invasive bird species
... nest-box owners need to monitor and report what's going on inside their boxes. Only then will scientists have a true picture of the current status and factors influencing breeding success of native cavity-nesting species. One thing is known for sure: In head-to-head competition, house sparrows readily out...The Hunter's Breath tells a story of adventure and discovery in Antarctica
... what we don't know about big predators, and we're going to lose them if we don't learn enough about their biology to say what should be done to save them," she said. In her book, however, Williams put less emphasis on the conservation aspects of her work and more on the pure excitement of the science...A multi-institutional study may offer clues for the treatment of some autoimmune diseases
...ients results in a rapid elevation of plasma dGuo, going from ≤0.004 μM prior to dosing to 2.4—34 μM after dosing. In contrast, in normal rats, dogs, and primates the dGuo range was smaller (1.5-4.5 μM). The range of BCX-1777-dependent dGuo responses in cancer patients may be rel...New research explores 'early bird' and 'night owl' sleep patterns
...etween these two extremes, and take a while to get going early in the morning and tire long before midnight. This entire spectrum reflects the broad, normal variation in sleep patterns in humans that is rooted in the very genetic foundations of how our body works. Because these variations occur within ou...Discovery could improve anemia treatment in patients
...on to circulate also can promote infection. "It's going to be a balance," Roy says. "If we manipulate hepcidin activity, we have to be very careful not to encourage infection while we're trying to resolve the anemia. The ideal would be to control infection while allowing enough iron for red blood cell pr......er realizing that older people are more frequently going to ICUs and the added risk of developing brain dys...se deficits are the types that prevent people from going back to work, helping their children with their homework and from finding their car in the parking l...