Results 311 to 320 of about 205,233 (331)
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GABAA Receptor Agonists, Partial Agonists, and Antagonists
1997The neutral amino acid, γ-aminobutyric acid (GABA), is an inhibitory transmitter in the central nervous system (CNS). Furthermore, GABA is involved as a neurotransmitter and/or a paracrine effector in the regulation of a variety of physiological mechanisms in the periphery.
Frølund, Bente +2 more
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CNS Drugs, 2004
This review examines the development of dopamine partial agonists as a new class of antipsychotic agents. Partial agonists have a lower intrinsic activity at receptors than full agonists, allowing them to act either as a functional agonist or a functional antagonist, depending on the surrounding levels of naturally occurring neurotransmitter (full ...
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This review examines the development of dopamine partial agonists as a new class of antipsychotic agents. Partial agonists have a lower intrinsic activity at receptors than full agonists, allowing them to act either as a functional agonist or a functional antagonist, depending on the surrounding levels of naturally occurring neurotransmitter (full ...
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Oxyfedrine — A partial agonist at β-adrenoceptors
European Journal of Pharmacology, 1972Abstract Oxyfedrine, 0.5 μg/ml, caused typical but long lasting sympathomimetic effects on guinea-pig atria and trachealis, rabbit atria and duodenum and rat uterus and perfused heart. These effects were antagonised by propranolol. The heart rate and blood pressure of the anaesthetised rat also showed sympathomimetic responses.
P R, Beckett, R W, Foster
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ChemInform Abstract: Mixed Opioidic Agonists/Antagonists and Partial Agonists
ChemInform, 2002AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Thomas Christoph, Helmut Buschmann
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Do Dopamine Partial Agonists Have Partial Efficacy as Antipsychotics?
CNS Spectrums, 2008CNS Spectr 13:4 April 2008 279 NEW TREND IN PSYCHOPHARMACOLOGY Dopamine (D)2 partial agonists (DPAs) activate D2 receptors in a manner that is less than the full agonist dopamine yet more than full antagonists (eg, most known antipsychotics). Various DPAs span the spectrum between full agonist at one end and antagonists at the other, with the ...
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Antiestrogens and Partial Agonists
1999For more than a decade, the antiestrogen tamoxifen dominated the field of estrogen antagonists despite its inherent estrogenicity. For a long time, efforts to replace tamoxifen or improve its pharmacological profile by structural modifications have failed.
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Partial agonists for adenosine receptors
1996Publisher Summary This chapter discusses the partial agonists for adenosine receptors. Adenosine is generally considered as a “local hormone” with profound physiological activity. It is thought to mediate a large variety of effects, as diverse as vasodilation in the cardiovascular system, inhibition of lipolysis in fat cells, and depression of ...
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