Tag: "contributing" at biology news

Scientists find genetic key to TB bacteria survival in lung cells

...enzymes secreted by secA2 act as virulence factors contributing to TB's defense against destruction in the macrophage.Moreover, this newly described virulence mechanism may apply to other types of disease-causing bacteria. "In the last year or so, a number of Gram-positive bacterial pathogens have been identified...

New method for predicting prostate cancer and the risk for metastasis

...creases with age and that free radicals are likely contributing factors. Additional evidence in the report shows that the DNA from prostate tumor biopsies could be used to signal whether a prostate cancer has begun to metastasize, thus allowing doctors and patients to reach more fully informed treatment decisions...

Carnegie Mellon University research story ideas on DNA

...1000 bases and are thought to play a large role in contributing to the development of complex, multi-factorial diseases, such as diabetes and heart disease. Studies of SNPs are also important in understanding human evolution and the migration of populations throughout the world. But evaluating SNPs is difficult...

Genes, Brain and Behavior Symposium April 16

...ow knowledge about gene expression and function is contributing to the development of new therapeutic strategies for brain and behavioral disorders....

Science Picks--Leads, Feeds and Story Seeds (April 2003)

...gating how millions of tons of African dust may be contributing to the demise of coral reefs and causing diseases in manatees, sea turtles and dolphins. It may also be a factor in the rise of childhood asthma in the Caribbean. Learn more about the effects of dust on humans and ecosystems at http://coastal.er.usg...

UK-Canadian consortium commits $95 million to international health research project

...d the Ontario government's Challenge Fund are each contributing $15 million, with the Ontario Innovation Trust providing $7.2 million and the Canadian Institutes of Health Research, $6 million. "In an era of increasingly complex scientific research, international collaboration involving partners from both the pub...

Laser micro-scalpel yields biological insights into tissue dynamics

...to figure out which of these processes were really contributing to closure, and which were simply following along. To attack the problem, the team needed to be able to selectively dissect the force-producing tissues, and to simultaneously observe the result through a high-powered microscope. Thus, they design...

Underserved US minorities face 'unequal burden of cancer' that must be corrected

...early detection services and good medical care are contributing to higher cancer incidence and mortality rates for...ic populations." The panel tracked several factors contributing to the disparity in cancer incidence and mortality among African Americans and other medically under...

Click for Crick

...he 21st Century, genetics has an essential role in contributing to global food security, health care and social justice. But there are dangers as well. We will ensure that the global implications of the new genetics revolution are fully debated and discussed," says Phil Batterham. "For this debate to be releva...

Researchers develop first mouse model of epithelial ovarian cancer

...gger the cancer to develop," Hamilton added. Other contributing researchers include Rudi Bao, M.D., Kasie C. Stephens, Timothy W. Poole, Ph.D., Xiang Hua and Skye S. Harris of Fox Chase Cancer Center; Alexander Yu. Nikitin, M.D., Ph.D., of Cornell University; and Barbara C. Vanderhyden, Ph.D., of the University o...

Tour operators to influence hotel industry to integrate environmental criteria into operations

...ation, waste management, chemical use, purchasing, contributing to community development and biodiversity conservation, staff management and developing environmental management systems. For each issue, the guide offers a brief summary, the business benefits for adopting good practices and a sample of actions that...

Newly identified molecules contribute to normal silencing of most human genes

...the components unique to each complex. The equally contributing lead authors on the Journal of Biological Chemistry study are Mohamed-Ali Hakimi, Ph.D., and Yuanshu Dong, both at The Wistar Institute. William S. Lane at Harvard University collaborated on the study, as did Wistar professor David W. Speicher, Ph.D....

Toronto General Hospital to be only Canadian site in first-ever genetic study of anorexia nervosa

...d to identify linkage regions and define the genes contributing liability. To provide this large sample, the study will involve 400 families in total, and the Toronto General component of the study will involve 40 families. Dr. Kaplan pointed out the success of the study depends on engaging affected relatives to ...

Intelligent device shows promise in physical activity measurement market

...a portable device," writes Elizabeth DeRobertis, a contributing analyst to Nutrition Research Newsletter. "The scientific information it generates is invaluable in assessing physical performance and diagnosing a variety of diseases. The device is expected to find a strong foothold in the markets for weight contro...

Researchers pinpoint cause of inherited form of heart failure

...diomyopathy, but it was uncertain whether this was contributing to myocyte dysfunction (i.e., an inciting event) or a secondary consequence, and that is a big difference," said Seidman. The heart muscle is triggered to contract and relax by a mechanism in which calcium is released from a reservoir into the muscle...

Opening the black box: Scientists gain new tools to learn about the near-shore environment

...lution, and Marine Biology. The authors are contributing to the work of the highly interdisciplinary group, PISCO, the Partnership for Interdisciplinary Studies of Coastal Oceans, a long-term program of scientific research and training dedicated to advancing the understanding of marine ecosystems along the...

Fertility study shows increased estrogen shortens window of implantation in mice

...e uterus to these increased estrogen levels may be contributing to high implantation failure rates. Estrogen levels in women can be affected in other ways, as well, whether through the drugs or medications they take, the foods they eat, or certain environmental toxins they might encounter, such as some pesticides...

Chromosome assessment could predict increased risk of death from age-related disease

...ere shortening is a fundamental process of ageing, contributing to mortality from multiple age-related diseases. If this is correct, then it may be possible to extend the duration of healthy adult life using medical interventions that maintain telomere length."...

Scripps scientists discover new approach for treating 'misfolding diseases'

...us preventing the disease-associated subunits from contributing to fibril formation. They found that even one such suppressor subunit incorporated into a tetramer otherwise composed of disease-associated subunits doubles its stability. "The suppressor TTR subunits prevent misfolding by blocking tetramer dissocia...

Field Museum uncovers evidence behind man-eating; revises legend of its infamous man-eating lions

...ot appear to have the same consequences. Factors contributing to Tsavo man-eating Using historical accounts and Patterson's own unpublished journal, the authors reconstruct the Tsavo environment of the 1890's and point to other circumstances, also common to other notorious lion incidents, that are more likely ...

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