agonist

(redirected from Partial agonists)
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agonist

[′ag·ə‚nist]
(biochemistry)
A chemical substance that can combine with a cell receptor and cause a reaction or create an active site.
(physiology)
A contracting muscle that is resisted or counteracted by another muscle, called an antagonist, with which it is paired.
References in periodicals archive ?
Although aripiprazole, brexpiprazole, and cariprazine are all dopamine receptor partial agonists with demonstrated efficacy in psychiatric disorders, they differ in termsofavailableformulations, indications, pharmacodynamics, pharmacokinetics, titration requirements, and tolerability.
These data clearly show that the environmental ligands acted in a subtypespecific fashion as full agonists, partial agonists, or antagonists by using different combinations of the N--and C-terminal activation functions of ER[alpha] and ER[beta], the AF-1 being dominant in the latter.
Relevance of Vilazodone's 5-HT1A receptor partial agonist effect
In part, the drug acts as a partial agonist at serotonergic [5HT.1A] receptors, which play a role in serotonergic transmission.
Analyses of these effects of alcohol consumption and withdrawal on the glutamate system have led to the development of the medication acamprosate, which is a partial agonist of the NMDA receptor and an antagonist of metabotropic glutamate receptors (de Witte et al.
About them we assumed that they are very potent agonists, but maybe also partial agonists. In order to explain the partial agnostic action of the entire fraction of U-acids, it should be assumed that only some of its HPLC-fractions possess such properties.
[beta]-Adrenoceptor blockers with partial agonist activity have been shown to be superior to selective [beta]-adrenoceptor blockers and calcium antagonists in reducing heart rate variability [5, 6].
Cariprazine is a newly approved (September 2015) dopamine D3/D2 receptor partial agonist with higher affinity for the D3 receptor than for D2.
However, the TEF method assumes that individual agents are full aryl hydrocarbon receptor (AhR) agonists with parallel dose-response curves, whereas many mixtures include partial agonists.
Clinical effects of the 5-HT1A partial agonists in depression: a composite analysis of buspirone in the treatment of depression.
Given the role that the AhR plays in critical physiologic functions and the potential limitations in assessing the significance of exposures to contaminant mixtures, we propose that a broader perspective and a complementary biological approach be considered, specifically because the cumulative biological effects of agonists, partial agonists, and antagonists are impossible to predict from analytical assays.
Previous drugs developed as partial agonists were never approved by the Food and Drug Administration, so aripiprazole is the first, he noted.