نتایج جستجو برای: clonidine imidazoline receptors
تعداد نتایج: 228083 فیلتر نتایج به سال:
Tolerance to opioid administration represents a serious medical alert in different chronic conditions. This study compares the effects of the imidazoline compounds 1, 2, and 3 on morphine tolerance in an animal model of inflammatory pain in the rat. 1, 2, and 3 have been selected in that, although bearing a common scaffold, preferentially bind to α2-adrenoceptors, imidazoline I2 receptors, or b...
Neurons in the paraventricular nucleus (PVN) that project to the brainstem and spinal cord are important for autonomic regulation. The excitability of pre-autonomic PVN neurons is controlled by the noradrenergic input from the brainstem. In this study, we determined the role of " 2 adrenergic receptors in the regulation of excitatory and inhibitory synaptic inputs to spinally projecting PVN neu...
U over X) pereellt ot the populathe MoH, UNFPX and the Uganda Popution of abont 0() million people lation ,Secretariat A multi-sectoral live in rural areas. IUganda's ccon(oY1V Igama, district task force implements depenids mainly on agriculturc andt the project, x-hiIe IJNFPA and the MoH w xomen contrihutc ((0-SO perecnt of do the overall molnitoring. the labour. \Onien s health, therctore, RE...
The effects of pharmacological modulation of adrenergic receptors on colonic motor and sensory function are unclear. We studied 40 healthy volunteers in a single-blind design; 12 received saline, and the remaining 28 received either clonidine, yohimbine, phenylephrine, or ritodrine. A barostat-manometric assembly in the left colon recorded drug effects on fasting and postprandial motor function...
Adrenergic receptor dysregulation has been described as occurring in both major depressive disorder (MDD) and panic disorder. Measurements of platelet alpha 2 adrenergic receptors in these patients may be confounded by the coexistence or comorbidity of both diagnoses in the same patient. To explore this possibility, we measured platelet alpha 2 adrenergic receptors (3H-clonidine and 3H-yohimbin...
1. [3H]-clonidine binds to membranes prepared from guinea-pig kidney. 2. At 25 degrees C the binding is rapid and saturable. 3. Scatchard analysis of the binding data showed that the Kd for [3H]-clonidine binding in kidney membranes is 8.54 nM and the density of binding sites 12.5 pmol/g wet wt. tissue. 4. Hill plots of the binding data showed that there were no cooperative site interactions as...
The changes in opioid receptors (Op-R) caused by repeated administration of pentazocine and the effect of concomitant clonidine were investigated. Binding of [3H] naloxone was markedly decreased in the absence of Na+, but was increased in the presence of Na+ in the diencephalon-mesencephalon of chronic pentazocine-treated rats. No significant changes were observed in the cerebral cortex of pent...
The I1-imidazoline receptor is a novel drug target for hypertension and insulin resistance which are major disorders associated with Type II diabetes. In the present study, we examined the effects of a novel imidazoline agonist S43126 on calcium fluxes and insulin secretion from Min6 β-cells. We also examined the effects of S43126 on the induction of IRAS, and phosphorylation of components in t...
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