Tag: "effects" at biology news
New Nonviral Gene Therapy System Could Help Fight Cancer
...r said, the system would not have the negativeside effects
of some current cancer treatments because onlydiseased cells are attacked. "This is the benefit of this technique over chemotherapy,"he said. "Chemotherapy kills all cells on contact, even healthycells. The T7 system allows for a more selective...
Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...g all studiesthat detect statistically significant effects
and nonsignificant effectsand inferring the genera...xplains. Vote countingis likely to find only large effects
-- especially given the nature of ecologicalstudies, which typically use small samples sizes -- and ...
ORNL Finds Common Genetic Cause For Epilepsy, Migraine
... a study in which theyisolated, mapped and studied effects
of the chromosome 8 Cacnl1a4 gene foundin mutant "tottering" mice, which have been studied extensively as modelsfor human epilepsy. The specific region of the mouse gene has a counterpartin humans (a chromosome 19 region) that had previously been ide...
Laser Microscope At Cornell Images Serotonin In Live Cells
... broad spectrum of physiological and psychological effects
of this -- and other -- neurotransmitters. The technology could be useful, then, for researchers in designing more effective drugs for a host of disorders. Previous efforts to image neurotransmitter secretory granules have not directly detected the ...
U.S. Geological Survey 1998 Budget: Increased Support For Drinking Water, Earthquakes And Biological Sciences
...orts; and we continue to investigate the long-term effects
ofthe upstream floods on downstream resources like...l research andmonitoring efforts will focus on the effects
of air quality on biologicalresources and the effects
of pollutants on populations and ecosystems. T...
Stronger Evidence That Global Climate Change Can Reduce The Variety Of Life
...5 degreesin the past due to changing gravitational effects
from the other planets.These changes in the Earth's tilt alter the amount of solar radiationreaching Earth at different latitudes. Cronin and Raymo discovered that orbital cycles of tilt alsoinfluence biodiversity: diverse species-rich commu...
High Levels of Vitamin C Prove Toxic to HIV
...aboratory appear to be more sensitive to the toxic effects
of vitamin C, explained Dr. David W. Golde , Phys.... The researchers studied vitamin C uptake and its effects
on AIDS-virus production inHIV-infected and healthy immune cells, after finding in previous studies...
Overweight Cats Risk Disease And Premature Death, Cornell Study Finds
...rapid a loss in weight can have detrimental health effects
for the cat. Any weight-control program should be undertaken under the direction of a veterinarian. Cats probably won't jog with you, but interactive exercise is the most effective thing we can do for overweight animals. Find a toy you can...
Purdue Study Aims To Boost MRI Capabilities
...f their early work focused on the magnetic field's effects
on the heart and other organs. Their work played a... he says. "Otherwise, there are no known long-term effects
caused by an MRI environment. After 13 years of medical experience, and millions of patients, MRI ha...
University Of Washington Discovery May Point The Way To New Treatment For Hepatitis C Cases That Do Not Respond To Interferon Therapy
...of others -- have evolved mechanisms to resist the effects
of interferon, one of the body's first lines of defense against viruses," said Dr. Michael Gale, Jr., UW microbiology fellow who is lead scientist and first author of the study. The drug interferon is an artificial version of naturally-occurring inte...
Duke researchers find existing drugs can stop fungus that attacks AIDS patients
...ires lifetime therapyin AIDS patients and has side effects
such as nausea and kidney disease. The researchers found the immunosuppressive drugs cyclosporin and FK506,which are used to treat organ transplant recipients, prevent C. neoformansfrom growing at body temperature, but not at room temperature. ...
Enzymes Targeted As Key To Understanding Drug Interactions
...cing an understanding of the potential for adverse effects
among thousands of drug combinations. "Pharmacists have had to remember hundreds of pairs of drugs that interact," said the program's director, Dr. Rene Levy, professor and chair of pharmaceutics. "But there was a shift in our knowedge in the late 1...
Early Tests Indicate Motor Skills Unharmed In Consumers Of Tainted Fish
...ted, will provide a rare, comprehensive look atthe effects
of environmental contaminants on older people. Scientists begana neurological assessment in 1992 of a group of men and women older thanage 50 who have consumed 24 or more pounds of sport-caught Lake Michiganfish annually since the 1960s. A comparable...
Ozone 'Chat Room' Provides Real-Time Air-Quality Research
...eptable levels of ozone not only may suffer health effects
from ozone pollution, but also may face government-imposed lifestyle changes, such as mandated car-pooling and other travel restrictions, limited or no outdoors barbecuing, and restricted hours to mow lawns and do other outdoor activities. Summer Si...
Calorie Restriction Reduces Age-Related Muscle Loss
...dy of evidence supportingsignificant age-retarding effects
of a restricted yet nutritious diet. Inaddition to extending life span in many animals, calorie restriction (CR)slows down age-related deficits in behavior and learning, immune response,gene expression, enzyme activity, hormonal action, DNA repair ca...
Cricket And Chemistry Combine To Provide New Understanding Of How Fats Work
...nce the quality and performance of that fat. These effects
however have been found by long and expensive trial and error processes and industrial chemists are still unsure how or why they work. Dr Oliver Howarth and Professor David Crout at the University of Warwick's Department of Chemistry have now devis...
Stopping "Cellular Suicide" Could Boost Production In Biotech Labs
...is alsoexperimenting with chemicals that mimic the effects
of bcl-2 whenadded tocells that are already growing in the lab. "Maybe our cells seethe signalsthat tell them to commit suicide," Betenbaugh says. "But we canhalt thatprocess before it hits the point of no return. Instead of dyingafter twodays, our c...
Resistance To Leptin Contributes To Obesity
...ow doses delivered via ICV infusionhaving the same effects
as high doses given as subcutaneous infusions into...y low doses of leptinreplicate the weight-reducing effects
of much higher doses of leptin givenby injection. The basis for this apparent difference is not cle...
Coming Extinction Of One Of UK's Most Minuscule Plants Yields Information On Climate Change
...dication that climatic change will have measurable effects
on our plant life. In the UK the Iceland Purslane is regarded as a relic from the last glaciation. As a member of our arctic alpine flora it is unusual in that it is an annual and its abundance from year to year thus depends on the quality of the ...
Study Focuses On How Plants Help Toxic Pollutants Travel Around The World
...t from the National Science Foundation tostudy the effects
of temperature, humidity and ultraviolet light on thetransport through the atmosphere of persistent organic pollutants. The project, which has been funded with a $200,000 award over four yearsby the NSF's Faculty Early Career Development prog...
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