Tag: "have" at biology news
Brain Protein "Rescues" Neurons From Atrophy
... -- Duke University Medical Center neurobiologists have
protected growing brain cells from atrophying from...tists said. Previous studies at Duke and elsewhere have
shown that neurotrophins generally increase the survival and growth of brain cells, or neurons. Howe...
Bacterial Toxin Surprises Scientists
... nystatin. Yet until recently, researchers have
known little about how such membrane-piercing proteins work. Now, using an innovative technique, NIH-funded researchers at New York City's Albert Einstein College of Medicine are closing in on how one such protein op...
Duke Researchers Discover Central Role Of Nitric Oxide In Hemoglobin Action
....C. -- Duke University Medical Center researchers have
found thatnitric oxide, combined with hemoglobin, ..., in the circulatory system. The finding appearsto have
solved the long-standing mystery of how blood carries oxygen tobody tissues and extracts waste carbo...
Dangerous Chemical Combination Presents Possible Scenario For Gulf War Illnesses
... findings, the Duke and UT Southwestern scientists have
developeda theory to explain why the chemical mix ...igator of the study. "Without protection,there may have
been thousands of deaths. But it appears that, for some veterans,the precautions prevented one set o...
Gene-Altered Mouse May Provide New Insights To Parkinson's Disease, Substance Abuse And Schizophrenia
...Medical Institute at DukeUniversity Medical Center have
deleted the gene for a crucial molecularcomponent ...at Duke,said initial studies with the mice already have
yielded surprising insightsthat challenge conventional theories about drug addiction and Parkinson's...
Enzyme's "Magic" May Hold Key to Anticancer and Antimicrobial Drugs
...anscription and chromosome replication. Scientists have
known since the 1970s that this biological...w, the inner workings of one topoisomerase have
been laid bare by a group of researchers led by NIGMS grantee Dr. James C. Wang, the ...
New Cancer Switch Discovered By Duke Medical Center Pharmacologists
...t activates normal cABL," said Pendergast. "People have
been looking for this molecule, or a molecule with these characteristics, for over a decade." In their experiments, Dai and Pendergast discovered that if they truncate the segments of Abi-2 that fit cABL, then cABL becomes cancer-causing. In a compan...
Key to Triplet Repeat Brain Diseases Open Door For New Way To Understand, Treat Genetic Diseases"
...edicine, DukeUniversity Medical Center researchers have
found a possible key to braindisorders such as Hun... may die, destroyingbrain tissue. The researchers have
found this effect in two neurological diseases -- Huntington'sand Haw River Syndrome. They believe t...
Researchers Pinpoint Site For Petit Mal Seizures In Brain
...rit award. Children affected by petit mal seizures have
up to hundreds of seconds-long lapses of conscious...tudies lead to more effective treatments, they can have
a more profound effect on a child's development than merely preventing the seizure." Previously, th...
Tumor Suppressor Gene Located In Liver Cancer Cells
...etect these tumors when they're much smaller could have
a significant impact on survival," he said. The pr... liver cancer. "This is an 'old' gene for which we have
characterized an important new role," Jirtle said. When working properly, the M6P/IGF2r receptor pro...
New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics
... an enzyme critical to the growth of many bacteria have
discoveredan extremely unusual "left-handed" spiral structure in the molecule. The finding suggests the possibility of a new kind of antibiotic that couldrecognize the unusual structure, jam the enzyme and kill bacteria. Bacteriawould find it...
Second Breast Cancer Gene Located
...s said they expect that women who inheritBRCA2 may have
up to an 85 percent chance of developing breast ca...ple cases of early-onsetbreast cancer that did not have
mutations in BRCA1. Using DNA from these families, they were able to track the gene to a re...
Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
...y to reconstruct how bottom sea water temperatures have
changed during and between past ice ages. In an ar...nifera. But the Science article said those results have
proven to be "equivocal." The ratios of oxygen 16 to oxygen 18 in foraminifera "have been the primar...
Dating A Caveman
...t began in 1921, archeologists and paleontologists have
recovered the remains of at least 40 individuals b...tside expert on geochronology. The two scientists have
stayed in touch ever since. In addition to his work at Zhoukoudian, Ku is currently engaged in numer...
Computer Program For Quicker, More Detailed Mapping
...D--Researchers at the Stanford Human Genome Center have
developeda powerful new computer program that can ...nce. Using this program, called Mapper, scientists have
obtained oneof the most accurate views yet of the human genome as a whole. "These maps have
Duke Researchers Discover Candidate Susceptibility Gene For Autoimmune Disease
.... -- Researchers at Duke University Medical Center have
identifieda gene in mice that, when malfunctioning...edicine at Duke medical center. To date, doctors have
not identified any specific genes for autoimmunediseases such as rheumatoid arthritis, although many...
Rosemary May Have Anti-Cancer Properties
...ay issue ofthe Journal of Nutrition. The results have
"profound dietary implications," according toMilner. "We have
found a spice that offers protection against a classicmodel of breast cancer," he says. Rosemary s...
Heat-loving Microbe Repairs Its DNA With Light
...y high temperatures to grow andreproduce, and they have
been recovered by microbiologists overthe past 25 ...em logical that the S. acidocaldarius cell should have
particularly effective ways of repairing damageto its DNA," said Grogan. Grogan tested the microbe'...
Children Become Gorillas In VR Zoo
...;Dr.(Larry F.) Hodges and Dr. (Jean) Wineman, who have
worked closelywith our behavior experts. "Today, ...t was only half thework. The virtual gorillas also have
to look and behave like realgorillas. Using videos, anthropomorphic data and behavioral data on mov...
From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...started making radiographs of his paintings, which have
been exhibited in California, Washington, D.C., and Ithaca. "The painting is just a means of producing the radiographs; the radiographs are the final work," he said. "X-rays only make visible a very few number of elements. Using neutrons, we can se...
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