نتایج جستجو برای: opioid compounds
تعداد نتایج: 257348 فیلتر نتایج به سال:
Macrophage-derived foam cells are thought to play a major role in atherosclerotic lesion formation and progression. An automated assay was established to evaluate the uptake of fluorescently labeled oxidized low-density lipoprotein (oxLDL) by a monocyte/macrophage cell line. The assay was used to screen 480 known bioactive compounds. Twenty-two active compounds were identified. Efficacy studies...
This commentary highlights the recent work published in journal Nature on the structural based discovery of novel analgesic compounds for opioid receptors with minimal effects. Manglik et al. selectively targeted the Gi based μOR pathway instead of the β-arrestin pathway of the opioids. The computational screening of millions of compounds showed a list of several competent ligands. From these l...
The delta opioid receptor modulates nociceptive and emotional behaviors. This receptor has been shown to exhibit measurable spontaneous activity. Progress in understanding the biological relevance of this activity has been slow, partly due to limited characterization of compounds with intrinsic negative activity. Here, we have used constitutively active mutant (CAM) delta receptors in two diffe...
conclusions a modified tool to assess methadone treatment response serves to identify patients at high-risk for relapse at a minimal cost, as well as evaluate the relevant physical and psycho-social domains affecting opioid-dependent patients. the great will serve as a useful adjunct to regular clinical assessments, allowing clinicians and researchers to properly assess opioid addiction patient...
Studies in the Division of Neuropharmacology investigated the role of endogenous opioid systems in learning and memory, ventilatory function and antinociception. The goal of these studies was: to identify and characterize candidate ligands that might be useful in studies on delta opioid mechanisms; and to use these compounds to systematically investigate the role of delta systems in complex beh...
Background and Purpose Cannabidiol (CBD) is a non-euphorigenic component of Cannabis sativa that prevents the development paclitaxel-induced mechanical sensitivity in mouse model chemotherapy-induced peripheral neuropathy (CIPN). We recently reported CBD structural analogue KLS-13019 shows efficacy an vitro CIPN. The present study was to characterize behavioural effects compared morphine models...
BACKGROUND Recently, we presented a novel compound (PK20, Dmt-D-Lys-Phe-Phe-Lys-Lys-Pro-Phe-Tle-Leu-OH) that targets single entity opioid and neurotensin pharmacophores. This endomorphin-2-like opioid peptide was introduced as a highly active analgesic because it elicited a strong dose- and time-dependent antinociceptive response when administered centrally and peripherally. Its pain-relieving ...
Convolutamydine A, an oxindole that originated from a marine bryozoan, has several biological effects. In this study, we aimed to investigate the antinociceptive effects of convolutamydine A and two new synthetic analogues. Convolutamydine A and the two analogues were given orally to assess their ability to induce antinociceptive effects. Formalin-induced licking response, acetic acid-induced c...
Opioid binding to the cerebral blood vessels may affect vascular responsiveness and hence confound interpretation of blood oxygen level-dependent (BOLD) responses, which are usually interpreted as neuronal in origin. Opioid binding varies in different brain regions. It is unclear whether opioids alter neurovascular coupling, or whether their effects are purely neuronal. This study used BOLD fun...
Recent evidence indicates that the well established delta-opioid antagonist TIPP (H-Tyr-Tic-Phe-Phe-OH) also displays agonist activity in several cellular models. Therefore, it is possible that TIPP, and structurally related compounds, might represent a novel class of opioid agonists exhibiting unique characteristics. The purpose of this study was to examine the properties of TIPP at selected p...
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