beta-adrenergic receptor


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beta-adrenergic receptor

beta-adrenergic receptor

A site in autonomic nerve pathways responsive to the adrenergic agents norepinephrine and epinephrine. In general, beta-1 receptors produce excitatory responses, and beta-2 receptors produce inhibitory responses.
See: alpha-adrenergic receptor
See also: receptor
References in periodicals archive ?
(1986) Beta-adrenergic receptor kinase: Identification of a novel protein kinase that phosphorylates the agonist-occupied form of the receptor.
Beta-adrenergic receptors in skeletal muscles of ruminants: effects of temperature and feed intake.
(2004) Learning new tricks from old dogs: beta-adrenergic receptors teach new lessons on firing up adipose tissue metabolism.
Carvedilol (CAR) blocks the beta-adrenergic receptors ([beta]AR) inhibiting the phosphorylation of [Ca.sup.2+] handling proteins and decreasing the SR [Ca.sup.2+] load.
Although some studies have investigated the functions of beta-adrenergic receptors in affective disorders, there is little evidence about the polymorphisms of beta-adrenergic receptors in major depressive disorder It is necessary to compare the difference of polymorphisms between patients and controls to investigate the susceptibility to major depressive disorder
One such beta-blocker is atenolol, a hydrophilic cardioselective agent that acts principally on beta-adrenergic receptors, "and theoretically has less chance of hypoglycemia and bronchoconstriction," Dr.
While the neuroanatomical interactions that govern the sympathetic nervous system are yet to be fully elucidated, sympathetic tone is recognised as an important mediator of cardiovascular function predominantly through its direct effects on beta-adrenergic receptors in the heart to modulate cardiac output and on alpha-adrenergic receptors in blood vessels to modulate arteriolar resistance and venous capacitance.
Propanolol targets the beta-adrenergic receptors in the brain which help to create a strong emotional memory.
Thymol was found to possess an agonistic effect on the alpha (1)-, alpha(2)-and beta-adrenergic receptors. Its spasmolytic effect is registered at doses higher than 10(-6)M.

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