News tagged with protein phosphatase
Aurora B answers an XIST-ential question
Aug 24, 2009 |
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Early in development, mammalian female cells counteract their double dose of X chromosomes by coating one of them with a large RNA named XIST. The RNA binds to the same X chromosome from which it is transcribed ...
Tumor suppressor gene in flies may provide insights for human brain tumors
Jun 22, 2009 |
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In the fruit fly's developing brain, stem cells called neuroblasts normally divide to create one self-renewing neuroblast and one cell that has a different fate. But neuroblast growth can sometimes spin out of control and ...
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Scientists identify protein that enhances long-term memory by controlling rest intervals
Medicine & Health / Neuroscience
Oct 01, 2009 |
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As most good students realize, repeated studying produces good memory. Those who study a lot realize, further, that what they learn tends to be preserved longer in memory if they space out learning sessions between rest intervals. ...
Work with fungus uncovering keys to DNA methylation
Biology /
Dec 15, 2008 |
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Researchers in a University of Oregon lab have shed more light on the mechanism that regulates DNA methylation, a fundamental biological process in which a methyl group is attached to DNA, the genetic material in cells of ...
Scientists identify key decision-point at which cells with broken DNA repair themselves or die
Apr 10, 2009 |
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When cells undergo potentially catastrophic damage, for example as a result of exposure to ionizing radiation, they must make a decision: either to fix the damage or program themselves for death, a process called apoptosis.
Researchers find gene function 'lost' in melanoma and glioblastoma
Dec 15, 2008 |
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Researchers at Georgetown University Medical Center have found a gene they say is inactivated in two aggressive cancers – malignant melanoma, a form of skin cancer, and glioblastoma multiforme, a lethal brain tumor. They ...
Key protein regulating inflammation may prove relevant to controlling sepsis
May 14, 2009 |
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Scientists at Singapore's Institute of Molecular and Cell Biology (IMCB), under the Agency for Science, Technology and Research (A*STAR), have identified the protein, WIP1, as the molecular "brake" that curbs severe inflammation ...
Researchers make discovery in molecular mechanics of phototropism
Jul 05, 2007 |
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In a paper published in the Journal of Biological Chemistry, scientists at the University of Missouri-Columbia reported molecular-level discoveries about the mechanisms of phototropism, the directional growth of plants toward ...
Enzyme may be a key to Alzheimer's-related cell death
Medicine & Health / Neuroscience
Oct 06, 2009 |
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(PhysOrg.com) -- A Purdue University researcher has discovered that the amount of an enzyme present in neurons can affect the mechanism thought to cause cell death in Alzheimer's disease patients and may have ...
Single host gene may hold key to treating both ebola and anthrax infections
Aug 20, 2009 |
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Research published by Army scientists indicates that a minor reduction in levels of one particular gene, known as CD45, can provide protection against two divergent microbes: the virus that causes Ebola hemorrhagic fever ...
Research spawns new discoveries showing how crops survive drought
Nov 18, 2009 |
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(PhysOrg.com) -- Breakthrough research done earlier this year by a plant cell biologist at the University of California, Riverside has greatly accelerated scientists' knowledge on how plants and crops can ...
Research isolates liver cancer stem cells prior to tumor formation
Sep 17, 2009 |
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Penn State College of Medicine researchers, in collaboration with colleagues at the University of Southern California, have taken an important step in understanding the role of stem cells in development of liver cancer. Using ...
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