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Tag: "clarify" at biology news

Association of herpesvirus with lung disorder questioned

... Dr. Katano said. "Further studies are required to clarify the possible association of human herpesvirus 8 with this disease." ...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

...erior. Previous work at Dr. Ryan's lab has helped clarify the role of some of the key players in this process, including a ubiquitous protein called clathrin, found in nearly every cell type. "From our previous work in brain synapses, we've learned that endocytosis is a machine that really runs quite fast,...

Duke Chemists Isolating Individual Molecules Of Toxic Protein In Alzheimer's, Parkinson's Disease

...ate student in Akhremitchev's research group, that clarify the nature of binding forces between amyloid molecules. The poster session will take place March 16, 2005, 7:30 - 10 p.m. Pacific Standard Time, in Hall D of the San Diego Convention Center. This work was funded by the Camille and Henry Dreyfus Foun...

Antibiotic might fight HIV-induced neurological problems

... augmented by laboratory experiments with cells to clarify observations. Notably, these laboratory experiments have shown that minocycline somehow suppresses replication of HIV and SIV in macrophages -- the immune cells recruited to the brain during HIV infection -- and lymphocytes -- immune cells that carr...

Scripps scientists find potential for catastrophic shifts in Pacific ecosystems

...nce 1999)." The paper by the Scripps team helps to clarify the scientific basis of the next decade's challenge for fisheries and ecosystem management. ...

Protein synthesis can be controlled by light, opening way for new scientific, medical applications

...other example of a process the new method can help clarify involves the role of protein synthesis in the development of an organism. Since stem cells in humans, for example, differentiate into skin, brain and muscle cells, among many others, researchers want to know the controlling mechanisms for how these c...

Exercise training in ordinary people affects the activity of 500 genes

...training. The results from this study will help to clarify which genes are uniquely affected in Duchenne. ...

Multi-species genome comparison sheds new light on evolutionary processes, cancer mutations

...emphasize that far more work remains to be done to clarify the relationship between cancer and the breakage hotspots. One thing researchers have determined is that the regions immediately flanking the breakage hotspots contain more genes, on average, than the rest of the genome. The team was led by Harris A...

Lance Armstrong through a physiological lens: hard training boosts muscle power 8%

...observations will stimulate additional research to clarify the precise nature, time course, and significance of the physiological adaptations induced by short sprint interval training." The study, "Six sessions of sprint interval training increases muscle oxidative potential and cycle endurance capacity in ...

Analysis of flower genes reveals the fate of an ancient gene duplication

... In the new work, researchers have used synteny to clarify the evolution of genes essential for the development of floral reproductive organs, stamens and carpels. The subjects of their work were two genes that appear to play identical functions in two different plant species: the AGAMOUS (AG) gene of the mu...

Discovery of T-cell 'traffic control' boosts new drug promise

Scientists have begun to clarify how one of the body's molecules controls the trafficking of T cells through the blood, lymph nodes and on to tissues to fight infection -- a crucial response that sometimes goes awry, attacking the body's own tissues and causing autoimmune diseases. ...

Insight into our sight: A new view on the evolution of the eye lens

...ensing systems of invertebrates. The findings help clarify our conceptual framework for understanding how the vertebrate eye, as we know it, has emerged over evolutionary time. The work is reported by Sebastian Shimeld at the University of Oxford and colleagues at the University of London and Radboud Univer...

DNA traces evolution of extinct sabertooths and the American cheetah-like cat

... a team of researchers has obtained data that help clarify our view of the evolutionary relationships shared by the large predatory cats that once roamed the prehistoric New World. The work is reported in the August 9 issue of Current Biology by Ross Barnett of the University of Oxford and a team of researc...

Studies on human genome variation provide insight into disease

...ene cluster on the X chromosome. "We're hoping to clarify which specific types of genomic rearrangements lead to prostate cancer susceptibility," says Larinov, "so that we can someday identify therapeutic targets for this disease." Contact: Vladimir Larionov, Ph.D. Head, Genome Structure and Function Se...

Housecat-sized Siberian tiger cubs get collared

...ene cluster on the X chromosome. "We're hoping to clarify which specific types of genomic rearrangements lead to prostate cancer susceptibility," says Larinov, "so that we can someday identify therapeutic targets for this disease." Contact: Vladimir Larionov, Ph.D. Head, Genome Structure and Function Se...

Genetic analysis of cavefish reveals more about evolution

...mutations in distinct but closely linked genes. To clarify their results, the researchers performed a complementation test fish in both caves, which yielded only albino offspring. They concluded that albinism in these two cave populations and in a third population not yet as well studied is caused by mutatio...

Scientists sequence DNA of woolly mammoth

...from the past to the present, and that can perhaps clarify the role environmental changes did play in the extinction of an entire species. Initial funding for this study was provided by McMaster University, The Natural Sciences and Engineering Research Council of Canada, and Penn State University. The rese...

Scientists directly view immune cells interacting to avert autoimmunity

...he first time viewed immune cells at work, helping clarify how T cells control autoimmunity. The technique, known as two-photon laser-scanning microscopy, was able to focus deep within the lymph node of a diabetic mouse, allowing the researchers to show that immune cells known as T regulatory, or Treg, cel...

U of MN researchers identify ataxia gene

..., which provides internal structure to cells, will clarify how nerve cells die and may provide insight into other diseases, including amyotrophic lateral sclerosis (Lou Gehrig's disease) and Duchenne muscular dystrophy.The research will be published in the February print issue of Nature Genetics, and posted ...

Commonly used antidepressants may also affect human immune system

... drugs might affect immunity, so we really need to clarify the normal role of serotonin in immune cell functioning," Ahern said. The surprising finding that serotonin is rapidly passed between immune cells in a manner similar to its transmission between brain neurons was revealed in mid-October, when the re...

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