Study links Ebola outbreaks to animal carcasses
... cases, instances of human infection were directly linked to gorilla, chimpanzee and duiker carcasses. To prevent future outbreaks from becoming health crises, health officials and wildlife researchers must continue to work together in monitoring the region's wildlife for signs of Ebola. Shortly after Augu...New research questions basic tenet of neuron function
...m, depression and epilepsy, all of which have been linked to abnormalneurotransmitter function, said Dr. Kavalali. In neuronal cell cultures, the researchers labeled synaptic vesicles with a fluorescent dye and observed how and when the vesicles released neurotransmitters, both when the neurons were at res...Enzyme shown to help protect genomic stability
...ds of the chromosomes known as telomeres, has been linked to aging in humans and an elevated risk for aging-...promoting genomic stability, and some studies have linked it intriguingly to the aging process. Some studies, for example, have suggested that low-calorie die...California researchers help map human genetic variation across populations
...a new milestone in the search for genetic elements linked to complex genetic diseases such as Alzheimer's, cancer and multiple sclerosis," said co-author David R. Cox, Chief Scientific Officer at Mountain View, CA-based Perlegen. "Genome-wide analysis may soon become a standard methodology in the search for...Ecological destruction fuels emerging diseases
...oronto, says the decline of global biodiversity is linked to the emergence of new human and wildlife diseases such as West Nile Virus and avian flu. "The biodiversity crisis is not just about extinctions," says Dr. Brooks, whose pioneering parasite systematics research is supported by Science and Engineerin...Tiny particles could solve billion-dollar problem
...e and its toxicity. Human exposure to TCE has been linked to liver damage, impaired pregnancies and cancer. Cleanup costs for TCE nationwide are estimated in the billions of dollars. The Department of Defense alone estimates the cost of bringing its 1,400 TCE-contaminated sites into EPA compliance at more t...New NIST reference material reinforces fragile-x screens
...les and one in 4,000 to 6,000 females. It has been linked to several physical abnormalities and to intellectual problems ranging from minor learning disabilities to severe mental retardation and autism. The mutation is characterized by an excessive number of repeats of a sequence of three nucleotides (the c...Researching airborne metals in transit workers' bodies
...phasizing that no adverse health effects have been linked to the levels of steel dust present in the subways, Chillrud says no one should stop riding the subway based on his research. "We do know that increases in surface traffic emissions have adverse health effects," he says. A study published last year, ...Protein analysis of amniotic fluid reveals clues about preterm birth
...uid for four distinct proteins they previously had linked to inflammation, a known cause of preterm labor. "... protein biomarker in the amniotic fluid, this one linked to decidual hemorrhage or bleeding into the lining of the uterus," explains Dr. Weiner who is a mate...Researchers uncover mutated genes involved in lung cancer; one affects nonsmokers
...archers at UT Southwestern Medical Center have now linked to the disease. "This study describes the first known mutation to occur in lung cancer patients who have never smoked," said Dr. Adi Gazdar, professor of pathology in the Nancy B. and Jake L. Hamon Center for Therapeutic Oncology Research and senio...Study examines role of EGFR gene mutations in lung cancer development
...portunities to discover the predisposition factors linked to the development of cancer."...Future diabetes drugs may target new protein interaction
...f sirtuin1 is already known to help slow processes linked to cellular aging when food is scarce, an effect that extends the single-celled organism's lifespan. "We now know that sirtuin1 is directly involved in the response to calorie restriction in mammals and in processes involved in cellular aging," says...Fine-tuning calf nutrition could reduce nitrogen pollution
...ert said. All proteins are composed of chemically linked amino acids. All creatures require proteins for growth and good health. Some of these amino acids can be synthesized by an animals metabloism; others cannot. The ones that cannot be synthesized are called "essential" amino acids. For humans and ot...Researchers discover a good side to cholesterol in controlling cell signals
...ide the cell itself anchoring a signaling pathway linked to cell division and cancer. These findings appear in the March 4 issue of Science and are available online. "Cell signals have to be tightly controlled," said Dr. Richard G.W. Anderson, chairman of cell biology and senior author of the study. "I...Yeast network prevents damage by oxygen radicals
...ns of premature aging, increased cancer prevalence linked to inflammation-associated syndromes and a variety of human diseases. Now scientists at the University of California, San Diego Branch of the Ludwig Institute for Cancer Research (LICR) have identified a key network of DNA repair and cell cycle contr...Hydrogen and methane provide raw energy for life at 'Lost City'
...l, chemical andbiological processes are intimately linked at a primal environment, andlends strong support to the need for interdisciplinary approaches toscientific research." Other co-authors are Gretchen Frh-Green, Swiss Federal Institute of Technology; Dana Yoerger, John Hayes, Kate Buckman, Sean Sylva a...NYU and MSKCC research provides model for understanding chemically induced cancer initiation
...led mutation hot spots, which have been previously linked with cigarette smoke. This molecular link between chemical DNA damage and cigarette-associated lung cancer has been called the "smoking gun." In the study, the conformational switch discovered by the research team entails a change in the confo...Researchers identify gene that plays major role in age-related blindness disease
...es in a region of human chromosome 1 that had been linked previously to AMD through family studies by other researchers. The research team was led by senior co-author Josephine Hoh, Ph.D., an assistant professor in the Division of Chronic Disease Epidemiology at Yale's School of Public Health. Before joinin...Gene variant increases risk of age-related macular degeneration
...es by the Duke and Vanderbilt teams and others had linked AMD risk to a particular region on chromosome 1. To identify the gene responsible, the researchers examined two independent data sets: the first contained 182 families including members with and without AMD and the second contained 495 individuals wi...Silence the gene, save the cell: RNA interference as promising therapy for ALS
...f ALS cases are inherited. Of these, 20% have been linked to any of more than 100 mutations in the gene that expresses the superoxide dismutase enzyme (SOD1). These SOD1 mutations are "toxic gain-of-function mutations," meaning that the protein expressed by the mutated gene has, in addition to all its norm...