Tag: "significantly" at biology news

Gene-Altered Mouse May Provide New Insights To Parkinson's Disease, Substance Abuse And Schizophrenia

...at little dopamine they havein the synapse longer, significantly increasing neurotransmission, Caronsaid. This could be achieved with drugs that selectively block the transporterprotein. Such a strategy may prove to be more potent than standard treatments.Giving more dopamine to Parkinson's patients, as is done no...

Second Breast Cancer Gene Located

...ive copy of BRCA2 does not appearto put women at a significantly greater risk of developing ovarian cancer,although the risk is still higher than the general population, the researcherssaid. A total of 182,000 U.S. women and 29,000 women in the United Kingdom wereexpected to develop breast cancer in 1995,...

Dating A Caveman

...rrors can lead to big errors in estimating age. To significantly reduce the measurement errors requires the use of a device known as a mass spectrometer. This device can actually measure quantities of U-238, U-234 and Th-230 atom by atom, instead of waiting for them to decay and measuring their radiation. Previou...

Duke Researchers Discover Candidate Susceptibility Gene For Autoimmune Disease

...id. Such studies have shown antibodies to TNFa can significantly reducethe symptoms of RA in patients. "We know that TNFa is involved in many human inflammatory diseasesincluding autoimmune disorders and septic shock," Blackshear said."This finding provides insight into a new gene that appears to regulateTNFa. ...

Rosemary May Have Anti-Cancer Properties

...lassicmodel of breast cancer," he says. Rosemary significantly inhibited the binding of a known cancer-causing agentto the DNA in the rats' mammary cells. Scientists believe that that bindingprocess is a necessary event in the formation of tumors. The Penn State researchers fed the rats a diet supplemented wit...

Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration

...ted that a mixed diet of fruit andinsects led to a significantly greater weight gain for birds than did astrictly fruit or insect diet alone. For some species, the more fruit in themix, the greater the buildup of fat necessary for a successful migration. Switching from insects to fruit offers migrants advantages b...

New Finding Suggests "HATs" Are Key To Gene Activation Puzzle

...es on. Now, they have uncovered evidence that adds significantly to the developingpicture of how genes are activated. The findings from the University ofRochester and National Institutes of Health (NIH) researchers appear in the December 27 issue of Cell . "I feel very positive about these findings," says Al...

Prostate Cancer May Be Predicted 10 Years Before Diagnosis

...samples.Four years before diagnosis, total PSA was significantly greater for men who developed prostate cancer (5.0...ore diagnosis), the ratio of free to total PSA was significantly lower for cancer cases (0.13?0.01) compared to BPH (0.17?0.01) and control cases (0.21?0.02). The va...

Learning From Birds And Bees: Engineers Study Insects For Ideas On Tiny "Micro Air Vehicles"

...iplesgoverning aircraft with six-inch wings may be significantly differentfrom those that have guided aircraft design since the Wright Brothers'1903 airplane. "There may be something about very small sizes that changes theaerodynamics," Blankenship explained. "The Wright Flyer made smallerand smaller and smaller...

Pets Provide Physiological Benefits For Women Living Alone

... groups. Among elderly women, those with pets had significantly lower blood pressure readings than those without pets. Among elderly women with little social support, systolic blood pressure of pet-owners was 20 points lower, on average, than the systolic pressure of those without pets. Owning a pet had o...

Research At New England Universities And Industries Facing Uncertain Future Under Proposed R&D Reductions

...ts that New England universities, which contribute significantly to science and technology programs in the region, depend upon the federal government for an average of 67 percent of their research dollars. On average, the nation's universities receive about 60 percent of their funding from federal R&D programs. "...

Pacific Northwest's High-Tech Industry Faces Uncertain Future Under Proposed Cuts To Federal R&D Programs

...ersities in Washington and Oregon have contributed significantly to the region's growing biotechnology and medical industry. "Cuts to academic research could have a direct influence on the intellectual support structures of these industries," said Al Teich, director of AAAS Science and Policy Programs . "The pool...

Virus May Be Linked To Obesity -- Early Findings Hint At Relationship

...e. The antibody-positive obese people had significantly lowercholesterol and triglycerides levels than the antibody-negative obesepeople, a pattern similar to that seen in animals infected with Ad-36. Butthe two groups did not differ on any of 29 other measures the researcherscompared, including age or fa...

Method Eases Making Amino Acids Critical In Medicinal Chemistry

... molecules, the stability ofa possible drug can be significantly enhanced." In addition to synthesizing enantiomers of aryl amino acids, Beak alsohas used his chiral ligand chemistry to create a variety of enantioenrichedacids, amides, amines and aldehydes. Beak's latest research results werepublished in the Marc...

Children With AD/HD Have Significant Functional Disabilities Related to Attention Deficit

...of the 43 children in their preliminary study were significantly less able to care for themselves, recognize appropriate social behavior and communicate than children of similar age who were not diagnosed with the disorder. "When we applied this standard measure of disability to these children, we found that...

Low Iron Levels Cause Weakness In Women Who Are Not Anemic

...ed that work capacity and physical performance are significantly impaired compared with women with normal iron levels. Worse, women usually are unaware of their iron depletion, and physically active women and vegetarians are at particularly high risk for iron depletion, the researchers point out. "This suggests th...

Calorie Restriction Reduces Age-Related Muscle Loss

...ell as COX negative activity. What's more,they had significantly lower numbers of mitochondrial gene deletions. "These findings support the notion that abnormalities inmitrochondrial activity may contribute to sarcopenia," said Weindruch. "CRinitiated in late middle age apparently can slow the progression of this...

Stopping "Cellular Suicide" Could Boost Production In Biotech Labs

...rategies, the researcher seeksto improvethe system significantly in the near future. "We want to find thecombinationthat will allow these cells to work more efficiently and livelonger,"Betenbaugh says. "That's what this research is all about."...

Fighting Wheat Scab In New York State

...protected plants showed fewer diseased grains with significantly lower levels of contamination by vomitoxin than did non-protected plants. Bergstrom, da Luz and Christine Stockwell, Cornell postdoctoral plant pathologist, will make two presentations at the APS convention. The first, a paper, "Biocontrol of whe...

No Link Seen Between Breast Cancer And Pesticides, PCB Exposure For General Population

...en with breast cancer who had never breast-fed had significantly higher levels of organochlorines than healthy women who never breast-fed. No difference was seen for women in either group with a history of breast feeding. "These results suggest that higher blood levels of organochlorines were a risk factor...

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