نتایج جستجو برای: CB1 receptor
تعداد نتایج: 591108 فیلتر نتایج به سال:
background: considering that cannabinoids protect neurons against neurodegeneration, in this study, the neuroprotective effect of win55,212-2 in paraoxon induced neurotoxicity in pc12 cells and the role of the n-methyl-d-aspartate (nmda) receptor were evaluated. materials and methods: in this study pc12 cells were maintained in dulbecco's modified eagle’s medium (dmem+f12) culture medium supple...
A molecular docking approach was employed to evaluate the binding affinity of six triterpenes, namely epifriedelanol, friedelin, ?-amyrin, ?-amyrin acetate, ?-amyrin and bauerenyl towards cannabinoid type 1 receptor (CB1). Molecular studies showed that epifriedelanol had strongest CB1. dynamics simulation revealed friedelin engaged in stable non-bonding interactions by a pocket close active sit...
background and objectives cannabinoids which are active compounds of marijuana show some pharmacological effects similar to the opioids. there are also functional interactions between both cannabinoid and opioid systems. in this study we investigated the role of cannabinoid receptors in central amygdala and its interaction with opioid system. methods in the present study, we investigated the ...
The cannabinoid CB1 receptor system is critically involved in the control of associative fear memory formation within the amygdala-prefrontal cortical pathway. The CB1 receptor is found in high concentrations in brain structures that are critical for emotional processing, including the basolateral amygdala (BLA) and the prelimbic division (PLC) of the medial prefrontal cortex (mPFC). However, t...
Long-term cannabinoid administration produces region-dependent CB1 receptor desensitization and down-regulation. This study examined the time course for normalization of CB1 receptors and G-protein activation using 3H-labeled N-(piperidin-1-yl)-5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-1H-pyrazole-3-carboximide hydrochloride (SR141716A) and guanosine 5'-O-(3-[35S]thio)triphosphate ([35...
Complex interactions between periphery and the brain regulate food intake in mammals. Cannabinoid type-1 (CB1) receptor antagonists are potent hypophagic agents, but the sites where this acute action is exerted and the underlying mechanisms are not fully elucidated. To dissect the mechanisms underlying the hypophagic effect of CB1 receptor blockade, we combined the acute injection of the CB1 re...
Two subtypes of the cannabinoid receptor (CB1 and CB2) are expressed in mammalian tissues. Although selective antagonists are available for each of the subtypes, most of the available cannabinoid agonists bind to both CB1 and CB2 with similar affinities. We have synthesized two analogs of N-arachidonylethanolamine (AEA), arachidonylcyclopropylamide (ACPA) and arachidonyl-2-chloroethylamide (ACE...
CB1 cannabinoid (CB1) and D2 dopamine (D2) receptors are known to couple to the G protein G i/o. It has been reported that concurrent activation of D2 receptors and CB1 receptors, in primary striatal neuronal culture, promotes functional CB1 receptor coupling to G s resulting in elevations in intracellular cyclic AMP levels. We now report that in the absence of D2 receptors, acute activation of...
Psychoactive effects of cannabinoids are thought to be mediated, at least in part, by suppression of both glutamate and GABA release via CB1 cannabinoid receptor. Two types of cannabinoid receptor (CB1 and CB2) have been cloned so far. The CB1 receptors are abundantly expressed in the nervous system, whereas CB2 receptors are limited to lymphoid organs (Matsuda et al., 1990; Munro et al., 1993)...
Mediterranean diet components, such as olive oil and ω-3 polyunsaturated fatty acids (ω-3 PUFAs), can arrest cell growth and promote cell apoptosis. Recently, olive oil has been demonstrated to modulate type-1 cannabinoid (CB1) receptor gene expression in both human colon cancer cells and rat colon. The aim of this study was to investigate a possible link between olive oil and ω-3 PUFAs effects...
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