News tagged with surface receptors
Natural born killers -- how the body's frontline immune cells decide which cells to destroy
Jul 28, 2009 |
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(PhysOrg.com) -- The mechanism used by 'Natural Killer' immune cells in the human body to distinguish between diseased cells, which they are meant to destroy, and normal cells, which they are meant to leave ...
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.
How protein receptors on cells switch on and off
Biology /
Jan 16, 2009 |
5 / 5 (3) |
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Cornell researchers have provided new insight into the molecular mechanism underlying an essential cellular system. They have discovered how receptors on cell surfaces turn off signals from the cell's environment, ...
A new mechanism regulates type I interferon production in white blood cells
Jan 12, 2009 |
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A study from a team of researchers led by Dr. Andrew P. Makrigiannis, Director of the Molecular Immunology Research Unit at the IRCM, has identified a new mechanism regulating interferon production. This discovery, co-authored ...
Search results for surface receptors
Hoping for a fluorescent basket case: How HIV is assembled and released from infected cells
11 hours ago |
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Although recent advances have raised hopes that a protective vaccine can be developed, acquired immunodeficiency syndrome (AIDS) remains a major public health problem. Much has been learned about HIV-1, the virus that causes ...
Study reveals a 'missing link' in immune response to disease (w/ Video)
Nov 02, 2009 |
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The immune system's T cells have the unique responsibilities of being both jury and executioner. They examine other cells for signs of disease, including cancers or infections, and, if such evidence is found, ...
This is your brain on fatty acids
Medicine & Health / Neuroscience
Oct 30, 2009 |
4.8 / 5 (6) |
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Saturated fats have a deservedly bad reputation, but Johns Hopkins scientists have discovered that a sticky lipid occurring naturally at high levels in the brain may help us memorize grandma's recipe for cinnamon buns, as ...
Scientists Propose New Explanation for Flu Virus Antigenic Drift
Oct 29, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- Influenza viruses evade infection-fighting antibodies by constantly changing the shape of their major surface protein. This shape-shifting, called antigenic drift, is why influenza vaccines ...
'Feel-good' hormone serotonin regulates blood sugar concentration
Oct 28, 2009 |
4.3 / 5 (6) |
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(PhysOrg.com) -- Diabetes is the most prevalent metabolic disease in developed countries and one that engenders - in addition to its high fatality - enormous health care costs. The physiological meaning of ...
Alternatively spliced tissue factor identified as promising new biomarker for aggressive cancers
Oct 26, 2009 |
5 / 5 (1) |
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A recently discovered form of the protein that triggers blood clotting may play a key role in the molecular mechanisms leading to the growth of certain metastatic cancers, according to new research reported by an international ...
Sperm may play leading role in spreading HIV
Medicine & Health / HIV & AIDS
Oct 26, 2009 |
5 / 5 (1) |
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Sperm, and not just the fluid it bathes in, can transmit HIV to macrophages, T cells, and dendritic cells (DCs), report a team led by Ana Ceballos at the University of Buenos Aires in Argentina. By infecting ...
EphA4 -- the molecular transformer
Chemistry / Analytical Chemistry
Oct 23, 2009 |
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(PhysOrg.com) -- EphA4 is a protein which is attached to the surfaces of many types of human cells and plays a role in a wide range of biological processes. EphA4 functions by binding to ephrin ligands, cell ...
Getting on 'the GABA receptor shuttle' to treat anxiety disorders
Medicine & Health / Psychology & Psychiatry
Oct 22, 2009 |
4.5 / 5 (2) |
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There are increasingly precise molecular insights into ways that stress exposure leads to fear and through which fear extinction resolves these fear states. Extinction is generally regarded as new inhibitory learning, but ...
Researchers identify promising therapeutic target for central nervous system injuries
Oct 15, 2009 |
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Scars can serve as double-edged swords in spinal cord injuries—saving a victim's life, but sealing his or her fate as a paraplegic or quadriplegic. The scar forms a wall around the wound, preventing the injury from spreading, ...
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