Time running out for South Asian vultures, ecologists warn
...arch, published in the Journal of Applied Ecology, shows that exposure of vulture populations to a surprisingly small proportion of livestock carcasses contaminated with the drug - less than 1% - is sufficient to cause the rapid declines in vulture populations observed in India, Pakistan and Nepal over the...New therapy for specific form of leukemia
... colleagues, under the direction of Peter Marynen, shows for the first time that ABL1 also lies at the root of T-ALL − which has a direct effect on the treatment of T-ALL patients. Indeed, a drug exists − called Glivec − that suppresses the action of ABL1. Glivec has already been successf...Fungus knocks a frog down but not out, raising questions about amphibian declines
...d similar survival to uninfected frogs. "This shows that frog populations can persist with an endemic infection of the chytrid fungus," said Retallick. "The presumption until now has been that when a population is hit by this pathogen it is wiped out. It doesn't appear to be that simple. "In ...How roots control plant shoots
...biology at the University of Utah. "But this study shows that the roots potentially play a huge role in ad.... It's very easy to ignore the root, but our study shows we shouldn't." Manipulating the process someday might allow scientists to genetically engineer cro...Below the surface: New clues to plant signaling from the roots
...hat is transmitted from roots to shoots. The study shows that the roots of mutant Arabidopsis plants that lacked BYPASS1 function constitutively produced this growth-inhibiting substance. If the mutant roots were removed, the mutant plant's shoot was able to resume normal development, and if the mutant roo...September/October 2004 Annals of Family Medicine tip sheet
...t al This study by the Kentucky Ambulatory Network shows how using the methods of the National Ambulatory Medical Care Survey can help to establish the representativeness of a new PBRN, while beginning the study of topics relevant to participating clinicians....Low dose radiation evades cancer cells' protective 'radar'
A new study shows that lower doses of radiation elude a damage detection "radar" in DNA and actually kill more cancer cells than high-dose radiation. With these findings, scientists believe they can design therapy to dismantle this "radar" sensor allowing more radiati...Old bones unearth new date for giant deer's last stand
...sland, until 3,600 years ago. The latest discovery shows that the giant deer also broke through this 10,000 year barrier to enter the modern era....The PSA bounce Does it have clinical significance?
...ast one post-treatment PSA bounce. "What our study shows is that younger men have a PSA bounce more often t...SA control," said Horwitz. "But our analysis also shows that without additional treatment, including hormones, these men live as long as those who don't exp...ASPB opposes ban of GE crops in Butte County Ballot Measure D
...engineering. A review of the scientific literature shows that genetically engineered foods are as safe as foods that are not genetically engineered. For example, the National Research Council and Institute of Medicine of the National Academies published a study this year which found no unique risk from ge...Study describes basic mechanism in cell growth control involving damaged DNA
...iquitin ligases." The new study for the first time shows how this molecular choreography occurs: DDB1 serves as a DNA damage "checkpoint" molecule, taking CDT1 to CUL4. The ligase then tags CDT1 with ubiquitin, and 15 minutes later, CDT1 gets degraded. "This provides an explanation of how DDB1 may function...Environmental exposures before and after birth can harm children's lungs
...urnal of the American College of Chest Physicians, shows that young children who are exposed to these pollutants may be significantly more likely to develop respiratory conditions at ages 12 and 24 months. "A great deal of new evidence suggests that the respiratory system may be vulnerable to damage cause...Estrogen protects male rats from aortic aneurysms
... blood to the lower half of the body new research shows that it is definitely better to be female. During 2000, about 11,000 people in the United States died from a ruptured abdominal aortic aneurysm. Eighty percent of these aneurysms, which doctors call AAAs for short, occur in men. Scientists know ve...Study in Royal Society journals presents evidence for inherited factors in homosexuality
...2, BLOOMINGTON, IN 47405, USA A temporal analysis shows major histocompatibility complex loci in the Scandinavian wolf population are consistent with neutral evolution by Dr JM Seddon and Professor H Ellegren The major histocompatibility complex (MHC) has an integral role in the immune system and the hig...UNC scientists identify sticky protein in sickle cell red blood cells
...l new treatments for sickle cell disease.The study shows that a protein found on the surface of immature red blood cells, or reticulocytes, is responsible for those cells' adhesion to blood vessel walls. Reticulocytes are found at considerably higher levels in the blood of sickle cell patients than hea...Health, food, new technologies featured during ACS meeting Oct. 17-20 in Peoria, Ill.
...oxidant components that act as preservatives, also shows promise as a replacement for some synthetic antioxidants widely used as preservatives in salad dressings and other foods, they say. Dark honey is generally thought to contain higher levels of antioxidants than the lighter varieties, according to the ...Experimental drug prevents vaginal simian HIV transmission in monkeys Science study says
...own for its antiviral properties. The new molecule shows more potent antiviral activity than earlier versions produced by the same group and much greater potency than the natural protein. PSC-RANTES seems to have blocked enough CCR5 receptors on cells in the monkeys' vaginas to prevent SHIV from continuing...Time-lapse movies show brain cells move like a two-stroke engine
...f a hair over the course of an hour. The new study shows that a surprising mechanism underlies neuronal migration. The Rockefeller scientists suspected that the cytoskeleton, the scaffold of elements called microtubules that support a cell's three-dimensional shape, was important to neuron migration. They ...Pushing the envelope to overcome HIV drug resistance
... then go on to define an "inhibitor envelope" that shows how numerous protease inhibitors fit only partially within the substrate envelope. Where the inhibitors protrude beyond the confines of the substrate envelope, there is the potential for unique molecular contacts to the protease. Also, when the prote......ated Gladstone Institute of Cardiovascular Disease shows that MC4R also affects appetite in a way unrelated to the signaling loop that has been the focus of most appetite-suppression research. Scientists found a new group of mutations in this receptor that cause obesity not by interrupting the MC4R recepto...