News tagged with mutant cells
Scientists present first model of how buds grow into leaves
Leaves come in all shapes and sizes. Scientists have discovered simple rules that control leaf shape during growth. Using this 'recipe', they have developed the first computer model able to accurately emulate ...
Mar 01, 2012 |
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Researchers discover what cancer cells need to travel
(PhysOrg.com) -- Cancer cells must prepare for travel before invading new tissues, but new Cornell research has found a possible way to stop these cells from ever hitting the road.
Feb 22, 2012 |
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Steroids control gas exchange in plants
Plants leaves are sealed with a gas-tight wax layer to prevent water loss. Plants breathe through microscopic pores called stomata (Greek for mouths) on the surfaces of leaves. Over 40% of the carbon dioxide, CO2, in the ...
Feb 05, 2012 |
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Mighty mesh: Extracellular matrix identified as source of spreading in biofilms
New research at Harvard explains how bacterial biofilms expand to form slimy mats on teeth, pipes, surgical instruments, and crops.
Jan 23, 2012 |
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Aging human bodies and aging human oocytes run on different clocks
Reproductive and somatic aging use different molecular mechanisms that show little overlap between the types of genes required to keep oocytes healthy and the genes that generally extend life span, according to Coleen Murphy, ...
Dec 06, 2011 |
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Researchers discover new way to form extracellular vesicles
Researchers at NYU Langone Medical Center have discovered a protein called TAT-5 that affects the production of extracellular vesicles, small sacs of membrane released from the surface of cells, capable of sending signals ...
Nov 17, 2011 |
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On guard against drought
Identification of a gene that helps plants to conserve water under drought conditions will bring biologists closer to understanding how plants tolerate drought. Researchers, led by Takashi Kuromori at Japan's ...
Oct 28, 2011 |
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How plants sense touch, gravity and other physical forces
(PhysOrg.com) -- At the bottom of plants' ability to sense touch, gravity or a nearby trellis are mechanosensitive channels, pores through the cells' plasma membrane that are opened and closed by the deformation ...
Oct 21, 2011 |
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New component of a plant steroid-activated pathway discovered
Plant biologists have been working for years to nail down the series of chemical signals that one class of plant hormones, called brassinosteroids, send from a protein on the surface of a plant cell to the cell's nucleus. ...
Aug 18, 2011 |
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Researchers discover key mechanism that regulates shape and growth of plants
UBC researchers have discovered a key mechanism that -- much like a construction site foreperson -- controls the direction of plant growth as well as the physical properties of the biopolymers that plants produce.
Aug 16, 2011 |
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Huntington's disease protein has broader effects on brain, study shows
In Huntington's disease, the mutant protein known as huntingtin leads to the degeneration of a part of the brain known as the basal ganglia, causing the motor disturbances that represent one of the most defining features ...
Medicine & Health / Medical research
Apr 05, 2011 |
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Mutant prions help cells foil harmful protein misfolding
Romping clumps of misfolded proteins are prime suspects in many neurological disorders including Alzheimer's, Parkinson's, and Creutzfeld-Jakob Disease. Those diseases are devastating and incurable, but a team of biologists ...
Mar 20, 2011 |
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Secretions of the mind
A molecule called calcium-dependent activator protein for secretion 2 (CAPS2) promotes the secretion of a neurotrophic factor that is critical for the proper development and survival of networks of interneurons ...
Medicine & Health / Medical research
Feb 25, 2011 |
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Destined for disease: Breast cancer mutation regulates cell fate
A new study sheds light on why individuals who inherit a particular family of mutations have a high risk of developing a very aggressive form of breast cancer. The research, published by Cell Press on February 4th in the ...
Feb 03, 2011 |
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'Smart drug' targets new mutation, dramatically shrinks aggressive sarcoma and lung cancer
A new oral drug caused dramatic shrinkage of a patient's rare, aggressive form of soft-tissue cancer that was driven by an abnormally activated protein, physician-scientists from Dana-Farber Cancer Institute report in the ...
Oct 27, 2010 |
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