News tagged with granules
Iridescence found in 40-million-year-old fossil bird feather
Other Sciences / Archaeology & Fossils
Aug 26, 2009 |
4.5 / 5 (8) |
3
Known for their wide variety of vibrant plumage, birds have evolved various chemical and physical mechanisms to produce these beautiful colors over millions of years. A team of paleontologists and ornithologists ...
Back to basics: Scientists discover a fundamental mechanism for cell organization (w/Video)
May 21, 2009 |
4.8 / 5 (6) |
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Scientists have discovered that cells use a very simple phase transition -- similar to water vapor condensing into dew -- to assemble and localize subcellular structures that are involved in formation of the embryo.
Mutant host cell protein sequesters critical HIV-1 element
Medicine & Health / HIV & AIDS
Jan 15, 2009 |
5 / 5 (1) |
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Scientists have identified a new way to inhibit a molecule that is critical for HIV pathogenesis. The research, published by Cell Press in the January 16th issue of the journal Molecular Cell, presents a target for develo ...
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Viral infection affects important cells' stress response
Nov 14, 2007 |
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Viral infection disrupts the normal response of mammalian cells to outside deleterious forces, cleaving and inactivating a protein called G3BP that helps drive the formation of stress granules, which shelter the messenger ...
Destructive enzyme shows a benevolent side
Biology /
Jan 10, 2007 |
3 / 5 (1) |
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New research shows that a recently discovered enzyme that destroys the messenger RNA (mRNA) for some proteins can also help to protect the mRNA during times of stress. The response might help cancer cells survive chemotherapy ...
Discovery could lead to new autism treatment
Feb 04, 2009 |
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A Brown University research team has discovered something in the brain that could serve as a target for future autism and mental retardation treatments.
Sheltering Of Messages May Help Cancer Cells Defeat Therapy
Nov 27, 2006 |
3.3 / 5 (3) |
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New research has discovered that cells protect rather than destroy the message molecules needed to make certain proteins during periods of stress. The response might help cancer cells survive chemotherapy and radiation therapy.
Parkinson's disease: Iron accumulation to the point of demise
Medicine & Health / Neuroscience
Aug 19, 2009 |
5 / 5 (3) |
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Neurons that produce the neurotransmitter dopamine are the cerebral cells that most commonly die-off in Parkinson's disease. The cells in the so-called substantia nigra, which contain the dark pigment neuromelanin, are affected. ...
Protein critical for insulin secretion may be contributor to diabetes
Oct 26, 2009 |
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A cellular protein from a family involved in several human diseases is crucial for the proper production and release of insulin, new research has found, suggesting that the protein might play a role in diabetes.
Immune cells kill foes by disrupting mitochondria 2 ways
Biology /
May 15, 2008 |
4.3 / 5 (4) |
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When killer T cells of the immune system encounter virus-infected or cancer cells, they unload a lethal mix of toxic proteins that trigger the target cells to self-destruct. A new study shows T cells can initiate cellular ...
Why anyone can make a sandcastle
Feb 11, 2008 |
3.9 / 5 (13) |
4
Anyone trying to build sandcastles on the beach will need some degree of skill and imagination, but not an instruction manual. The water content is actually relatively unimportant to the mechanical properties ...
Wetter Report: New Approach to Testing Surface Adhesion
May 11, 2007 |
4.5 / 5 (11) |
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With a nod to one of nature's best surface chemists—an obscure desert beetle—polymer scientists at the National Institute of Standards and Technology have devised a convenient way to construct test surfaces ...
New water-purification method promises radical improvement
Jun 27, 2006 |
3.8 / 5 (13) |
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Delft University of Technology (Netherlands) research has discovered a method that could drastically change the way we purify water within a few years. Delft, in partnership with DHV engineering bureau, has developed a compact ...
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