alpha receptor


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Related to alpha receptor: beta receptor

alpha receptor

[¦al·fə ri¦sep·tər]
(cell and molecular biology)
Any of a group of receptors on cell membranes that are thought to be associated with vasoconstriction, relaxation of intestinal muscle, and contraction of the nictitating membrane, iris dilator muscle, smooth muscle of the spleen, and muscular layer of the uterine wall. Also called alpha-adrenergic receptor.
References in periodicals archive ?
The presence of high pre-treatment interferon alpha receptors 1-messenger ribonucleic acid in peripheral blood mononuclear cells was significantly associated with sustained virological response (85.
Conclusion: Interferon alpha receptors 1-messenger ribonucleic acid may be useful for predicting response to interferon plus ribavirin therapy in hepatitis C virus/ hepatitis B virus co-infected patients who were females with lower hepatitis C virus-ribonucleic acid and hepatitis B virus-deoxyribonucleic acid levels.
If the mice missing the alpha receptor still had a functional beta version, their bodies still could respond to estrogen.
This link doesn't surprise Gustafsson--the beta receptor responds to phytoestrogens much more potently than the alpha receptor does.
Metabasis believes that the combination of a TRb-selective receptor agonist and liver-targeting could harness the efficacy of the approach by avoiding extra-hepatic activation of TR alpha receptors and TRb receptors that may lead to these therapy-limiting side effects.
Alpha receptors trigger the cells to constrict coronary arteries, and the beta receptors have an opposing effect.