News tagged with mutant cells
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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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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Nobel winner ties mental illness to immune defect
A Nobel Prize-winning University of Utah geneticist discovered that bone marrow transplants cure mutant mice who pull out their hair compulsively. The study provides the first cause-and-effect link between ...
Medicine & Health / Medical research
May 27, 2010 |
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Imaging studies reveal order in programmed cell death
(PhysOrg.com) -- Every day, about 10 billion cells in a human body commit suicide. Cells infected by virus, that are transformed or otherwise dysfunctional altruistically sacrifice themselves for the greater good. Now, new ...
Feb 26, 2010 |
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Starve a yeast, sweeten its lifespan
Johns Hopkins researchers have discovered a new energy-making biochemical twist in determining the lifespan of yeast cells, one so valuable to longevity that it is likely to also functions in humans.
Mar 24, 2009 |
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Genes, environment, or chance?
Biologists attribute variations among individual organisms to differences in genes or environment, or both. But a new study of nematode worms with identical genes, raised in identical environments, has revealed ...
Feb 18, 2010 |
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Testicular tumors may explain why some diseases are more common in children of older fathers
A rare form of testicular tumour has provided scientists with new insights into how genetic changes (mutations) arise in our children. The research, funded by the Wellcome Trust and the Danish Cancer Society, could explain ...
Oct 25, 2009 |
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New insight into 'accelerated aging' disease
Hutchinson-Gilford Progeria Syndrome (HGPS or progeria) is a rare genetic disease that causes young children to develop symptoms associated with advanced age, such as baldness, wrinkles, osteoporosis and cardiovascular disease. ...
Medicine & Health / Medical research
Sep 13, 2010 |
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Modification of mutant huntingtin protein increases its clearance from brain cells
A new study has identified a potential strategy for removing the abnormal protein that causes Huntington's disease (HD) from brain cells, which could slow the progression of the devastating neurological disorder. In the ...
Medicine & Health / Medical research
Apr 02, 2009 |
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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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HIV pays a price for invisibility
Mutations that help HIV hide from the immune system undermine the virus's ability to replicate, show an international team of researchers in the April 13 issue of the Journal of Experimental Medicine. The study was publis ...
Medicine & Health / HIV & AIDS
Apr 13, 2009 |
3.7 / 5 (3) |
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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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More Proof of Outer Membrane Cytochrome Role in Electron Transfer
(PhysOrg.com) -- Another step toward improving understanding of electron exchange between microbes and minerals has been documented in the January 2010 issue of Geobiology. Bacteria such as the metal-reducing Shewan ...
Apr 19, 2010 |
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Mechanism uncovered behind Salmonella virulence and drug susceptibility
Researchers have discovered a novel mechanism in Salmonella that affects its virulence and its susceptibility to antibiotics by changing its production of proteins in a previously unheard of manner. This a ...
Jul 29, 2010 |
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Researchers identify gene that helps plant cells keep communication channels open
Plant cells communicate via microscopic channels called plasmodesmata that are embedded in their cell walls. For the stem cells in the plants' growing tips, called "meristems," the plasmodesmata are lifelines, allowing nutrients ...
Biology /
Feb 17, 2009 |
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