News tagged with intracellular signals
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.
Search results for intracellular signals
Traits produced by melanin may signal the bearer's capacity to combat free radicals
Oct 03, 2008 |
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Some animal species have developed conspicuous traits produced by melanin pigments (for instance, dark manes in lions, black stripes in some birds and fishes). These traits are used as signals during contests for resources ...
In a first, scientists develop tiny implantable biocomputers
Biology /
May 21, 2007 |
4.5 / 5 (46) |
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Researchers at Harvard University and Princeton University have made a crucial step toward building biological computers, tiny implantable devices that can monitor the activities and characteristics of human ...
Fruit fly neuron can reprogram itself after injury
Medicine & Health / Neuroscience
Dec 06, 2009 |
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Studies with fruit flies have shown that the specialized nerve cells called neurons can rebuild themselves after injury.
Cell discovery opens new chapter in drug development
Sep 08, 2009 |
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Scientists have uncovered new details about how the cells in our bodies communicate with each other and their environment: findings that are of fundamental importance to human biology.
Scientists harness nanoparticles to track cancer-cell changes
Nanotechnology / Bio & Medicine
Apr 15, 2009 |
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The more dots there are, the more accurate a picture you get when you connect them. A new imaging technology could give scientists the ability to simultaneously measure as many as 100 or more distinct features in or on a ...
Mechanism may explain aspects of brain impairment seen in Fragile X Syndrome
Jun 09, 2008 |
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Scientists report that a protein associated with a common form of mental retardation plays an important role in intracellular trafficking within neurons. The research, published by Cell Press in the June issue of the journal ...
Taking the conversation inside: Enhancing signals in cell interior
Mar 19, 2009 |
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Scientists used to think most of the exchange of information between cells was conducted at the surface, where cell receptors receive signals from other cells.
Parasite evades death by promoting host cell survival
Dec 08, 2009 |
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Researchers have discovered how the parasite Trypanosoma cruzi, which causes Chagas' disease, prolongs its survival in infected cells. A protein on the parasite activates the enzyme Akt, which blocks cell ...
Harnessing Nanoparticles To Track Cancer Cell Changes
Nanotechnology / Bio & Medicine
Jul 03, 2009 |
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The more dots there are, the more accurate a picture you get when you connect them. Cancer researchers adopting that philosophy have developed a new imaging technology that could give scientists the ability to simultaneously ...
New study sheds light on how intracellular pathogens trigger the immune system
Biology /
Jul 14, 2008 |
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(PhysOrg.com) -- Disease-causing microbes like the food-borne bacterium Listeria monocytogenes specialize in invading and replicating inside their animal hosts' own cells, making them particularly tricky to defeat. Now, a ...
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