Tag: "distinct" at biology news

JCI table of contents: 1 September, 2004

...s and diabetes-associated lipid abnormalities have distinct effects on initiation and progression of atherosclerotic lesions AUTHOR CONTACT: Karin E. Bornfeldt University of Washington School of Medicine, Seattle, Washington 98195, USA Phone: 206-543-1681; Fax: 206-543-3644; E-mail: bornf@u.wash...

Mouse study shows NPAS3 and NPAS1 genes may be linked to psychosis

... do not have a normal startle response, and have a distinct reduction of a protein called reelin in their brains. Other researchers have shown in postmortem examinations of the brain tissue of schizophrenics that these patients have a reduction in reelin, said Dr. McKnight. Schizophrenics also have problems s...

Protemix corporation announces discovery of way to repair hearts damaged by diabetes

...ght into the mechanisms of the disease. There is a distinct possibility for intervention and treatment. This work needs now to be transferred into larger scale clinical trials. It has been assumed since the beginning of time that heart muscle will not regenerate. This work refutes that.' 'This is great news f...

MIT team explains yin-yang of ginseng

...the molecular constituents, the ratio of which are distinct among the different varieties of ginseng," he explained. In 1999 Sasisekharan's lab developed a new tool for characterizing complex sugars....

Review article makes case for a new source of cells in the body

...points out how the cells are identified using four distinct labeling mechanisms and points to potential technical problems in two reports where scientists looked in vain for VENT cells. "This tells us that VENT cells are remarkable cells. They are important. If you take them away you have heart defects, cran...

Critically endangered monkey species plummets more than 50 percent since 1994

... between 281 and 317 individuals still exist in 19 distinct populations. Rampant development separates the remaining populations of this langur species, preventing the groups from interacting with one another. Fourteen of the groups are likely to disappear within the next decade, since they either lack a bree...

Length of sex act in flies dictated by genetics

...ariety of daily rhythmic behaviors also have other distinct and powerful effects which have nothing to do with light, dark or the rhythms of a 24-hour-day. The study was just published by scientists from Oregon State University in a professional journal, Current Biology, and reports a surprising new role for...

Carnegie Mellon scientists reveal ways of studying, resolving PCB contamination in US rivers

...ial communities in two river sediments demonstrate distinct anaerobic PCB dechlorination patterns. (embargo 8:...cientists have used DNA fingerprinting to discover distinct bacteria populations that decompose PCBs differently in the first ever side-by-side comparison of se...

Gold quantum dots have applications in biological labeling, nanoscale optics

...hem difficult to separate to create solutions with distinct emission spectra. "Silver fluoresces very strongly and it has awesome optical properties, even better than gold because it has very short lifetimes and high quantum yields," Dickson said. "But it is more difficult for us to separate them to get high...

PCB breakdown in rivers depends on sediment-specific bacteria, find Carnegie Mellon U. scientists

...ingerprinting, the Carnegie Mellon team discovered distinct bacterial populations in the first-ever side-by-side comparison of PCB-laden sediments taken from separate, contaminated rivers. The results are being reported by graduate student Christine Wang on Sunday, Aug. 22, at the 228th annual meeting of the ...

Asian elephant sex pheromone transporter revealed

.... Use of albumin in urinary pheromone transport is distinct from other mammalian pheromone transport systems studied so far. Furthermore, the exploitation of albumin in pheromone transport complements the particular lifestyle of Asian elephants by reflecting the uniqueness of elephant anatomy, physiology, and...

Restoring sweetgrass to the South Carolina lowcountry

... three centuries. Documented as early as 1730, the distinct form of basketry was first practiced almost exclusively by men. Women took over the craft in the 1920s, when many of the men left the area to serve in the military or look for jobs. Though new forms have evolved in the work of individual artists, the...

Researchers report new gene test for isolated cleft lip and palate

...gene or chromosome. In this case, they found that distinct combinations of sequence variations in and around the gene IRF6 correlated with an increased chance that a child would be born with a cleft. IRF6, which encodes a gene-activating protein called a transcription factor, plays a role during development...

New 'clock gene' uncovered

... night. These so-called circadian rhythms offer distinct advantages to organisms that use them. Plants, for...er, the heart, and the kidneys each have their own distinct clocks. The liver, for instance, expresses a number of enzymes that remove toxic substances from the...

New mechanism for display of foreign proteins to immune system

...ndependent pathway of presentation was shown to be distinct from the TAP-dependent pathway. This alternative p...the conventional TAP-dependent pathway. Having two distinct pathways involved in generating peptides, potentially in different amounts, could serve to increase ...

Retroviral gene therapy? ASLV, HIV, and MLV show distinct target site preferences

...activate. Each retrovirus, they discovered, showed distinct preferences for genome integration. HIV vectors tend to integrate into sites of active transcription, favoring chromosomal regions rich in expressed genes. MLV vectors tend to integrate near transcription initiation sites, confirming the results of a...

RNA could form building blocks for nanomachines

...y nanotechnologists, but Guo said the molecule has distinct advantages. "RNA combines the advantages of both DNA and proteins and puts them at the nanotechnologist's disposal," Guo said. "It forms versatile structures that are also easy to produce, manipulate and engineer." Since his discovery of a...

Early clinical treatment can halt progression of Alzheimer's disease, UCI researchers find

.... The disease is marked by the accumulation of two distinct brain lesions — beta-amyloid plaques and neurofibrillary tangles. Both plaques and tangles accumulate in specific brain regions critical to learning and memory. It is believed that their accumulation contributes to the destruction of brain cel...

Study suggests humans can speed evolution

...ey found the fish had evolved into two genetically distinct varieties in less than 20 years. The study appears...efore." The fish have evolved into two genetically distinct and differently colored populations, one on the north side of the island, the other on the south, sa...

Outcome for acute lymphoblastic leukemia linked to gene expression patterns

...cols. The study found a distinct group of genes that had a specific pattern of expression in leukemia cells according to their sensitivity or resistance to each of the four drugs. In addition, the study identified 123 genes linked to drug resistance and showed that the pattern of ex...

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