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cell receptor

   Also found in: Wikipedia 0.01 sec.
cell receptor,
a protein located either on a cell's surface, in its cytoplasm, or in its nucleus that binds to a specific ligand, initiating signal transduction and a change in cellular activity.


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She has found that for tumour cells that have invaded the brain, a tumour cell receptor known as integrin avE-3 increased the supply of a growth factor involved in the development of new blood vessels ("angiogenesis") necessary for tumour expansion within the brain tissue.
Now, Mignot and his colleagues have found a genetic link between narcolepsy and a gene that encodes the T cell receptor alpha, which interacts with HLA proteins to trigger an immune reaction.
A large family of NK cell receptors belongs to the C-type lectin super-family.
 
 
 
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