Tag: "were" at biology news

Brain Protein "Rescues" Neurons From Atrophy

...e open eye. However, when the "closed-eye" neurons were treated with the neurotrophin NT-4, the neurons gr...beads into the ferrets' visual cortexes. The beads were taken up by the brain cells, spreading throughout each cell and revealing themselves by glowing in c...

Bacterial Toxin Surprises Scientists

... biotin--to one side of the membrane, they were able to determine whether the biotin-labeled residue was on the cis ("outside") or trans ("inside") of the membrane....

Dangerous Chemical Combination Presents Possible Scenario For Gulf War Illnesses

...he anti-nerve gas agent pyridostigmine bromide(PB) were harmless when used alone, even at three times the ...as Southwestern Medical Center inDallas. Chickens were selected over rodents as test animals because their susceptibilityto neurotoxic chemicals more close...

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

...ting new treatmentsfor psychiatric disorders. "We were astonished that a single genetic deletion would ha...of dopamine being released in the knockoutmice, we were astounded to find they make only 5 percent to 10 percent thenormal amount of dopamine, about the sam...

Key to Triplet Repeat Brain Diseases Open Door For New Way To Understand, Treat Genetic Diseases"

...he Deane Laboratory at Duke, where the experiments were conducted. "Weare beginning to cross the difficult...functions. In a second experiment, brain proteins were incubated with GAPDH. Huntingtin protein and DRPLA protein bound to GAPDH, while other brain protei...

Researchers Pinpoint Site For Petit Mal Seizures In Brain

...ts, such as inability to concentrate. The findings were prepared for presentation by Sarah Caddick, a post-doctoral fellow in neurology at Duke and the Durham V.A. Medical Center, at the American Epilepsy Society's annual meeting. The work was supported by the National Institute of Neurologic Diseases an...

New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics

...lography revealed that the left-handedbeta helices were triangular in shape, with each side of the triangle formedfrom a roughly repeated six-amino acid, or hexapeptide, sequence. Accordingto Raetz, the finding of the unusual structure suggests that other enzymeswith similar sequences also form the left-h...

Second Breast Cancer Gene Located

...RCA1. Using DNA from these families, they were able to track the gene to a regionon chromosome 13. A recent finding of a pancreatic cancer with a deletionof genetic material in the precise region of BRCA2 also aided in localizingthe region where the gene resides, Futreal said. The inher...

Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures

... interglacial periods. The ostracod in the samples were alive between 3.2 million and 2.5 million years ag...es collected at another North Atlantic site. Those were alive during the past 200,000 years, representing the last two glacial-to-interglacial cycles. The s...

Dating A Caveman

...urbed limestone from the strata in which the bones were found instead of studying the fossils themselves, as previous investigators had done. According to Ku, there is evidence that radioisotopes can migrate in and out of bone during the fossilization process, affecting the accuracy of dating. To double-c...

Computer Program For Quicker, More Detailed Mapping

...oint, they evaluated its success to make sure they were not sacrificingaccuracy. "We started out using th... thing, then tried to scaleit up. We found that we were bumping up against its limitations -- thenwe'd change it. Eventually, the original program just drop...

Duke Researchers Discover Candidate Susceptibility Gene For Autoimmune Disease

...egory Taylor and Ester Carballo of Blackshear'slab were the lead authors of the paper. Blackshear also is ...n apparently unrelated field," Blackshearsaid. "We were studying factors in the body that are influenced byinsulin, which regulates sugar levels in the bloo...

Rosemary May Have Anti-Cancer Properties

...y, then gave them half a dose of DMBA. The results were similar:DMBA's binding to mammary cells was reduce...emary offered, while diets highin unsaturated fats were more beneficial. Milner has already published a number of studies demonstrating the anti-cancerpro...

Heat-loving Microbe Repairs Its DNA With Light

...sely known. As expected,the vast majority of cells were unable to reproduce followingthis treatment. If the cells were then exposed to visible light, however, asignificant fraction of the damaged cells revived. Interest...

Children Become Gorillas In VR Zoo

...tual realitygorilla exhibit. Local schoolchildren were on hand to try out the virtual realitysystem, whic...as a member of agorilla family. The demonstrations were in the Ford African RainForest's Gorillas of the Cameroon Interpretive Center, against thebackdrop o...

From Corn Rootworms To Art, Cornell's Reactor Is At The Core

...g for the plant root. "Here you can see where they were when we started. In this picture you can see where they were 24 hours later. The dark lines show the path of the rootworm," she says. No ordinary pictures, thes...

Freshwater Sponges May Pose Threat To Zebra Mussels

...rs at Ohio State University found that the sponges were smothering zebra mussels in some areas, eventually...nals and locks, Kelch said. "Freshwater sponges were here before the zebra mussel, but not in the abundance that we see them now," Kelch said. "While we...

New Discovery About Genes Has Implications For Genetic Therapy

...ert themselves convinced the researchers that they were seeing a holdover to a similar mechanism that must...led animals-- at least a billion years ago. "We were interested in the basic question of how these introns insert themselves into different genes," Lambo...

Transgenic Rice Plants Resist Insects, Drought And Salt Damage

...technology, marks the first time that useful genes were successfully transferred from a dicotyledonous pla...lopment of insect-resistant transgenic rice plants were Wu, Duan and Xu, as well as Xigang Li and Mahmoud Abo-El-Saad, both Cornell researchers, and Qingzha...

Race Plus Roaches: A Breathtaking Link

...iva. And poor children or those from out of cities were 11.9 times more likely to be affected by roach inf... stuffed furniture of homes. The allergen samples were collected using a handheld vacuum cleaner equipped with individual collection bags. Detectable level...

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