Tag: "partial" at biology news

Researchers discover molecular 'switch' that tells body to store or burn fat

...oxidative metabolism. A key question is whether a partial reduction in SCD-1 activity rather than a complete loss of the enzyme's activity as in asebia mice could alter metabolism without incurring unwanted side effects. The answer appears to be yes, according to Ntambi and co-author Makoto Miyazaki, Ph.D...

Triggering remembrances

...cine. That is the ability to recall memories from partial representations of the original. The scientists genetically engineered a strain of mice in which a specific protein called the NMDA receptor was absent only in the CA3 region of the hippocampus. This receptor senses the primary neurotransmitter of t...

BioNumerik & Grelan present data on novel chemoprotecting agent

...atients receiving chemotherapy, nine experienced a partial tumor remission (greater than or equal to a 50% reduction in tumor size) after two cycles of treatment with BNP7787 with paclitaxel and cisplatin. Eight additional patients experienced no progression (stable disease) while on therapy. The neurotox...

DNA testing identifies suspect bacteria in coral reef disease

...rlaying seawater. That work, which was based upon partial sequencing of bacterial 16S rRNA genes, appeared in the May 2002 issue of Applied and Environmental Microbiology. To make a more accurate identification of the cyanobacterium inhabiting the black band biomat, the researchers recently collected sample...

New standards from NIST may provide 'all-natural' benefits

...etary Supplements and the FDA, which are providing partial funding for the project. NIST will certify the concentrations of designated constituents in botanical ingredients and finished product preparations. The standards development program will begin with botanical sources of ephedrine alkaloids and kava, ...

CF Foundation seizes proteomics for drug discovery

.... However, these mutant CFTR proteins often retain partial function, and restoring some of that activity may help correct the defect in CF cells. It is believed that many protein-protein interactions are involved in determining the processing, regulation and function of CFTR. Although some of these interact...

UT Southwestern researchers identify gene responsible for a rare body-fat disorder

...s that participated in the study. Characterized by partial or complete lack of body fat at birth, individuals affected by this disorder develop severe diabetes as teen-agers. Other complications include severe insulin resistance, high blood lipids and an accumulation of fat in the liver. Although we underst...

Tibetans retain resistance to the oxygen-deficient disorder hypoxia regardless of altitude

...l work capacity; (2) a decrease in arterial oxygen partial pressure and saturation; (3) a decrease in cardiac pump-reserve capacity; and (4) a potential risk for mountain sickness. The Tibetan group results were opposite, with the induced hypoxia causing no deterioration in any of the physiological processes...

Cost of inbreeding in Arabidopsis

... mating system of partial self-fertilization," he said, "which corroborates a prediction in genetics theory that species with a high frequency of inbreeding will be less efficient in eliminati...

April GEOLOGY and GSA TODAY media highlights

...le. These results point to a magma derivation from partial melting of a newly mantle derived material that underwent surface-fluid hydrothermal alteration before magma generation. The combined O and Nd isotopic study argues for the recycling of former ocean crust, hydrated with seawater into the continent. T...

Human ancestor Australopithecus did indeed walk upright

...tion of australopithecine specimens, including the partial skeleton of a 2.8 million year-old large male Australopithecus africanus (Stw-431). This individual was found in South Africa and had never been analyzed before. "Like humans, Australopithecus had an S-shaped spine to hold an upright trunk on a tilte...

Fulbright fellow develops environmental biology courses in Zimbabwe

...ge. The churcha roof with a concrete slab and one partial wall and wooden benchesplayed its music with a drum and three rattles. The choir came in to a traditional Methodist hymn, marching to the cadence of the music, Buikema said. Another adventure was sampling African cuisine. He could buy a typical, go...

Electrodes and nanoprobes signal new DNA detection method

...ced in solution containing the target. Perfect and partial matches alike bind to the oligonucleotides on the slides surface. The gold nanoparticle probes, each covered with 200 oligonucleotide strands, latch on to these pairings. The probes are then amplified using modified photographic developing solution. ...

UNC geologist, students to unveil 221 million-year-old top N.C. fossil

...e whatever unlucky creatures crossed its path. The partial skeleton, which includes the skull, will be erected in Room 039 of the James M. Johnston Center for Undergraduate Excellence, housed in the Graham Memorial Building. It will be unveiled at 4 p.m. Former UNC undergraduates Brian Coffey and Marco Brew...

North Atlantic study reveals food fish catches have declined by half - despite tripled fishing effort

...ry of individual stocks. Rosenberg spearheaded the partial closure of Georges Bank. Policy has followed a fishery by fishery approach. It doesnt work, says Rosenberg. You cant fix this one fishery at a time, because the boats just move around - the effort simply shifts to somewhere else and makes their prob...

Fogarty International Center announces new global health research initiative program for foreign investigators

...es in their home countries." The GRIP will provide partial salaries to the junior researcher returning home, equivalent to similar professionals in the home country, and will provide support for research projects. Developing country scientists supported by this grant are expected to continue to pursue indep...

Another transmembrane protein structure solved by Rockefeller scientists

...that nature used the alpha-helices to accomplish a partial negative charge," says MacKinnon. "In the chloride...annel nature flipped the helices around to put the partial positive end of the helix near the chloride ion. Its very beautiful." The gating mechanism of the ch...

Durable responses reported with Bexxar

...ither having a complete response (52 percent) or a partial response (28 percent). Grade 4 toxicities were re... improved the overall best response, either from a partial to a complete response (15 patients or 21 percent) or from an unconfirmed to a confirmed complete re...

More chance of a cure for patients with common and aggressive form of blood cancer

...s treated responded (58% complete response and 42% partial response) and the overall response rate in patient...ed therapy was 100% (63% complete response and 37% partial response). Approximately 1.5 million people worldwide have NHL, 55% of them have the aggressive form...

Human cancer-detection test showing promise in pets, too

...cca Balkin. The Morris Animal Foundation provided partial funding for the research....

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