Tag: "lead" at biology news
Research Team Discovers Key Gene For Telomerase Enzyme In Humans
...ngthens the ends of chromosomes, a finding thatmay lead
to improved cancer diagnosis and treatment. ...cher, Howard Hughes Medical Institutescientist and lead
author on the study. Since portions of the telomeresare lost each time a cell divides, telomere sho...
Altered Genes, Altered Metabolism--Longer Life?
...ings, in the August 15, 1997 issue of Science, may lead
to testable ideasfor the way glucose and insulin sensitivity affect human longevity. Leadresearcher and NIA grantee Dr. Gary Ruvkun of Massachusetts General Hospitalspeculates that a downshifting of glucose metabolism in times of stress helpsthe wor...
Vitamin C Deficit Linked To Skin Disease
...ciate at Dartmouth Medical School. "This study may lead
us to anunderstanding of how vitamin C behaves in a particular disease." It is still unclear whether a deficiency of vitamin C is a contributing cause ofthe disorder or one of its effects. PCT is the most common form of porphyria, a group of disorde...
Oak Regeneration In Some Ohio Forests Is Failing, Researchers Find
...ironmental and PlantBiology at Ohio University and lead
author of the study. "Interestingly, when we brought the light, moisture and regenerationdata together, there was no obvious trend toward improved oak regeneration onwell-lit, dry sites," he added. "Some forest managers had hoped that there ...
Oaks' Defenses Help Gypsy Moth Caterpillar Fend Off Virus
... caterpillar growth, reduce the number of eggs and lead
to lesssuccessful young. The trees' response shoul... caterpillar, oak tree and virus, might eventually lead
to acontrol method....
Insulin Resistance Is A Risk Factor For Atherosclerosis In Whites And Hispanics
...higher risk of developing atherosclerosis that can lead
to stroke and heartattack. However, the researchers found no such correlation between insulinresistance in African Americans, even though middle-age African Americans arefour times more likely than whites to suffer from strokes. "For ...
NIH's Genbank Database Logs Billionth Base
...ll. And this deeper understanding of biology will lead
to new opportunities in biotechnology and breakthroughs in health care." NCBI is also responsible for two other biomedical information systems recently in the news: PubMed and the Cancer Genome Anatomy Project (CGAP). PubMed, which provides free We...
Jefferson Scientists Find Potential Deadly Effects Of Two Missing Cancer-Suppressor Genes
...mal and abnormal cancer development, as well as lead
to important new therapeutic strategies. "The observation goes to the heart of how tumors develop and to tumor genetics," he points out. "It was previously found that this particular combination of altered genes is significantly lowe...
Experts: Public Will Accept Irradiation In Wake Of Meat Recall
... future, I'd say the Hudson hamburger incident may lead
to consumer acceptance of irradiation in the next four or five years." Mason agrees and adds: "Data show that consumers will accept food irradiation when they learn about it and taste irradiated food." She also says the recent E.coli outbreak may p...
Maternal Lead Exposure Linked To High Numbers Of Cavities
Exposure to high amounts of lead
is likely one cause of thehigh rates of tooth deca...ature Medicine. The scientists say that while lead
does not actually causecavities, it appears to make rats -- and thus people, whose teethget cavities...
Researchers Discover First Animal Strain Of Hepatitis E Virus
...ease in humans and eventually could lead
to the development of a vaccine. "This is a very interesting finding that will open new avenues of research, and contribute to strategies to treat or prevent hepatitis E d...
Researchers To Investigate Years Before Menopause
...e follicles control the cycle of hormones that lead
to preparation of the uterus for egg implantation and eventually to menstruation when no egg is fertilized, menopause occurs when all the follicles are used up. It is typical for women to experience variable cycles, including very lon...
MGH-Led Team Finds Gene For Crippling Neurologic Disorder
...rs of work and contains important clues that could lead
to better understanding of the disease and possible preventive treatments. There are many types of dystonia, a term that generally refers to sustained,involuntary muscle contractions that can twist and contort parts of the body. Early-onset dystonia...
Scientists To Study Effects Of Global Warming On Wetlands
...ied to two different ecosystems won't necessarily lead
to similar ecosystem temperatures. There is a degree of biotic control over temperature, and this project will determine the mechanisms and quantitative effects of that phenomenon. In turn, temperature does have a strong effect on many ecosystem proc...
Molecular Piracy Turns Protein Into Traitor
...he growing evidence that chemokine antagonists may lead
to novel approaches to HIV therapy either to preve...ences between these two types of receptors and may lead
to the discovery of a small molecule that would block both receptors," said Dr Wells. HIV uses CCR5 ...
Computer Model Offers New Insight On Bacterial Photosynthesis
...olar energy into chemical energy -- and eventually lead
tothe development of more efficient and environmentally clean energy sources. In the August issue of the journal Physics Today, University of Illinoisscientists report their successful three-dimensional computer modeling thatdepicts how the two ligh...
Wonder Thread: UD Scientists Report First Protein With Collagen And Elastin-Like Domains
... foot, explains graduate student Kathryn J. Coyne, lead
author of the Science article, along with postdoctoral research associate Xiao-Xia Qin and Waite. This gradual transition, from one material to another, gives byssal threads a surprising mix of properties. "If a byssal thread were simply a stiff sti...
New Description Of Protein May Be Basis For Regulating Cholesterol
...entually converted into anantibiotic. The study's lead
author is David W. Christianson, a protein crystallographerat the University of Pennsylvania. Additional authors are Charles A. Lesburg,University of Pennsylvania and Brown's Guangzhi Zhai and David E. Cane. Twoother papers in this week's Science d...
Gene For Last Major Form Of Batten Disease Discovered
...g. It's the kind of basic sciencefinding that can lead
to treatment for devastating genetic disorders lik...ne of four closely relatedmetabolic disorders that lead
to neurodegeneration. The four diseases are oftencollectively called Batten disease, although their...
Environmental Engineers Demonstrate Effective Method For Trapping Highway Pollutants
...e at trappingheavy metals such as cadmium, copper, lead
and zinc. "Polluted water flows in, and clean water flows out,"explained Steven Buchberger, associate professor of environmentalengineering and Sansalone's thesis adviser. Sansalone presented data from a year-long field test duringthe recent World Co...
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