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Actions of α2 adrenoceptor ligands at α2A and 5-HT1A receptors: the antagonist, atipamezole, and the agonist, dexmedetomidine, are highly selective for α2A adrenoceptors

Data up to Jan 2025

Published1998
Citations119
References45

Total Citations Per Year

Abstract

References (45)

Yohimbine induced anxiety and increased noradrenergic function in humans: Effects of diazepam and clonidine

1983 • 350 citations

Assessment of the role of α2‐adrenoceptor subtypes in the antinociceptive, sedative and hypothermic action of dexmedetomidine in transgenic mice

1997 • 291 citations

Receptor reserve for 5-hydroxytryptamine1A-mediated inhibition of serotonin synthesis: possible relationship to anxiolytic properties of 5-hydroxytryptamine1A agonists.

1990 • 227 citations

Site-directed mutagenesis of alpha 2A-adrenergic receptors: identification of amino acids involved in ligand binding and receptor activation by agonists.

1991 • 221 citations

Simultaneous quantification of serotonin, dopamine and noradrenaline levels in single frontal cortex dialysates of freely-moving rats reveals a complex pattern of reciprocal auto- and heteroreceptor-mediated control of release

1998 • 202 citations

An evaluation of the elevated plus-maze test using the novel anxiolytic buspirone

1989 • 192 citations

Shock-induced ultrasonic vocalization in young adult rats: a model for testing putative anti-anxiety drugs

1993 • 178 citations

Multiple alpha-2 adrenergic receptor subtypes. II. Evidence for a role of rat R alpha-2A adrenergic receptors in the control of nociception, motor behavior and hippocampal synthesis of noradrenaline.

1994 • 132 citations

Yohimbine as a serotonergic agent: evidence from receptor binding and drug discrimination.

1992 • 130 citations

α2‐Adrenergic Receptor Blockade Markedly Potentiates Duloxetine‐ and Fluoxetine‐Induced Increases in Noradrenaline, Dopamine, and Serotonin Levels in the Frontal Cortex of Freely Moving Rats

1997 • 101 citations

Presynaptic ?2-autoreceptors in brain cortex: ?2D in the rat and ?2A in the rabbit

1993 • 94 citations

Peripheral hyperalgesia in experimental neuropathy: mediation by α2-adrenoreceptors on post-ganglionic sympathetic terminals

1995 • 88 citations

Agonist and Inverse Agonist Efficacy at Human Recombinant Serotonin 5-HT 1A Receptors as a Function of Receptor:G-protein Stoichiometry

1997 • 87 citations

Dexmedetomidine, a novel alpha2-adrenergic agonist. A review of its pharmacodynamic characteristics

1993 • 86 citations

Evaluation of the effects of a specific α2-adrenoceptor antagonist, atipamezole, on α1- and α2-adrenoceptor subtype binding, brain neurochemistry and behaviour in comparison with yohimbine

1997 • 83 citations

The Role of Descending Noradrenergic and Serotoninergic Pathways in the Modulation of Nociception: Focus on Receptor Multiplicity

1997 • 70 citations

Molecular cloning, sequencing and expression of an ?2-adrenergic receptor complementary DNA from rat brain

1990 • 68 citations

Characterization of subtypes of alpha-2 adrenoceptors in the human brain.

1993 • 67 citations

Diverse tissue expression of rat alpha 2-adrenergic receptor genes.

1993 • 65 citations

α2‐Adrenoceptor Subtypes Identified by [3H]RX821002 Binding in the Human Brain: The Agonist Guanoxabenz Does Not Discriminate Different Forms of the Predominant α2A Subtype

1994 • 62 citations

Species orthologs of the alpha-2A adrenergic receptor: the pharmacological properties of the bovine and rat receptors differ from the human and porcine receptors.

1994 • 61 citations

Anxiolytic-like effects of yohimbine in the murine plus-maze: strain independence and evidence against α2-adrenoceptor mediation

1995 • 57 citations

α2-Adrenoceptor subtypes in the human brain: a pharmacological delineation of [3H]RX-821002 binding to membranes and tissue sections

1996 • 51 citations

Partial agonist effect of 2-[2-(1,4-Benzodioxanyl)]-2-imidazoline (RX 781094) at presynaptic ?2-adrenoceptors in rabbit ear artery

1983 • 49 citations

Release-inhibiting ?2-adrenoceptors at serotonergic axons in rat and rabbit brain cortex: evidence for pharmacological identity with ?2-autoreceptors

1994 • 49 citations

The Second Intracellular Loop of the α2-Adrenergic Receptors Determines Subtype-specific Coupling to cAMP Production

1997 • 48 citations

Mechanism of action of anxiolytic drugs

1987 • 44 citations

The α2-adrenoceptor antagonist idazoxan is an agonist at 5-HT1A autoreceptors modulating serotonin synthesis in the rat brain in vivo

1996 • 38 citations

Comparative behavioural profiles of buspirone and its metabolite 1-(2-pyrimidinyl)-piperazine (1-PP) in the murine elevated plus-maze

1997 • 37 citations

Partial agonist properties of rauwolscine and yohimbine for the inhibition of adenylyl cyclase by recombinant human 5-HT1A receptors

1993 • 35 citations

Tandospirone and its metabolite, 1-(2-pyrimidinyl)-piperazine—II. Effects of acute administration of 1-PP and long-term adminstration of tandospirone on noradrenergic neurotransmission

1991 • 32 citations

1-(2-Pyrimidinyl)-piperazine may alter the effects of the 5-HT1A agonists in the learned helplessness paradigm in rats

1991 • 29 citations

Subclassification and nomenclature of α1- and α2-adrenoceptors

1996 • 28 citations

The pharmacology of fluparoxan: a selective α2‐adrenoceptor antagonist

1991 • 26 citations

Oxymetazoline inhibits adenylate cyclase by activation of serotonin-1 receptors in the OK cell, an established renal epithelial cell line.

1988 • 21 citations

Adjunctive yohimbine for treatment in refractory depression

1993 • 15 citations

Evaluation of the alpha 2‐adrenoceptor blocking properties of buspirone and ipsapirone in healthy subjects. Relationship with the plasma concentration of the common metabolite 1‐(2‐pyrimidinyl)‐piperazine.

1995 • 13 citations

Inhibitory effect of idazoxan on forskolin-stimulated adenylate cyclase activity through 5-hydroxytryptamine1A receptors.

1994 • 12 citations

Effect of RX 821002 at 5‐HT1A‐receptors in rabbit spinal cord in vivo

1998 • 12 citations

The azapirone metabolite 1-(2-pyrimidinyl)piperazine depresses excitatory synaptic transmission in the hippocampus of the alert rat via 5-HT1A receptors

1995 • 12 citations

α2-Adrenergic Mechanisms of Analgesia: Strategies for Improving Their Therapeutic Window and Identification of the Novel, Potent α2-Adrenergic Receptor Agonist, S 18616

1997 • 11 citations

Anxiolytic-like effects of alpha-2-adrenoceptor agonists on conflict behavior in the rat: Pre- versus postsynaptic receptor mechanisms

1992 • 10 citations

Functional evidence that ?2A-adrenoceptors are responsible for antilipolysis in human abdominal fat cells

1994 • 8 citations

P.1.047 Yohimbine is a potent, partial agonist at rat and cloned, human serotonin1A receptors: A comparison to buspirone and its metabolite, 1-pyrimidinylpiperazine

1997 • 7 citations

The antidepressant-like activity of idazoxan, yohimbine and clenbuterol

1995 • 2 citations

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