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15 eredmények
Novel analogues of arachidonylethanolamide (anandamide): affinities for the CB1 and CB2 cannabinoid receptors and metabolic stability.
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Several analogues of the endogenous cannabinoid receptor ligand arachidonylethanolamide (anandamide) were synthesized and evaluated in order to study (a) the structural requirements for high-affinity binding to the CB1 and CB2 cannabinoid receptors and (b) their hydrolytic stability toward
The natural product magnolol as a lead structure for the development of potent cannabinoid receptor agonists.
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Magnolol (4-allyl-2-(5-allyl-2-hydroxyphenyl)phenol), the main bioactive constituent of the medicinal plant Magnolia officinalis, and its main metabolite tetrahydromagnolol were recently found to activate cannabinoid (CB) receptors. We now investigated the structure-activity relationships of
Neuroleptic-like profile of the cannabinoid agonist, HU 210, on rodent behavioural models.
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(1) The present study was performed to assess the effects exerted by the cannabinoid (CB) agonist, (-)11-hydroxy-delta8-tetrahydrocannabinol-dymethylheptyl (HU 210; 12.5-50 microg/kg ip), on rodent behavioural tests involving dopamine (DA) transmission; in comparison, the DA D2 antagonist,
D(2), but not D(1) dopamine receptor agonists potentiate cannabinoid-induced sedation in nonhuman primates.
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In primates, CB(1) cannabinoid receptor agonists produce sedation and psychomotor slowing, in contrast to behavioral stimulation produced by high doses of dopamine receptor agonists. To investigate whether dopamine agonists attenuate the sedative effects of a cannabinoid agonist in monkeys, we
First "hybrid" ligands of vanilloid TRPV1 and cannabinoid CB2 receptors and non-polyunsaturated fatty acid-derived CB2-selective ligands.
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12-Phenylacetyl-ricinoleoyl-vanillamide (phenylacetylrinvanil, PhAR, IDN5890), is an ultra-potent agonist of human vanilloid TRPV1 receptors also endowed with moderate affinity for human cannabinoid CB(2) receptors. To improve its CB(2) affinity and temper its potency at TRPV1, the modification of
Substituted 5,5'-diphenyl-2-thioxoimidazolidin-4-one as CB1 cannabinoid receptor ligands: synthesis and pharmacological evaluation.
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A set of 30 substituted 5,5'-diphenyl-2-thioxoimidazolidin-4-one (thiohydantoins) derivatives was synthesized, and their affinity for the human CB(1) cannabinoid receptor has been evaluated. These compounds are derived from the previously described cannabinoid ligands
Transient receptor potential A1 and cannabinoid receptor activity in human normal and hyperplastic prostate: relation to nerves and interstitial cells.
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BACKGROUND
Ion channel transient receptor potential A1 (TRPA1) and cannabinoid (CB) receptors are involved in mechanoafferent signaling from the bladder and the urethra.
OBJECTIVE
To characterize TRPA1-, CB1-, and CB2-receptor activities in the human prostate.
METHODS
Prostate specimens were
Bioactive products from singlet oxygen photooxygenation of cannabinoids.
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Photooxygenation of Δ8 tetrahydrocannabinol (Δ8-THC), Δ9 tetrahydrocannabinol (Δ9-THC), Δ9 tetrahydrocannabinolic acid (Δ9-THCA) and some derivatives (acetate, tosylate and methyl ether) yielded 24 oxygenated derivatives, 18 of which were new and 6 were previously reported, including allyl alcohols,
Drugs derived from cannabinoids. 1. Nitrogen analogs, benzopyranopyridines and benzopyranopyrroles.
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Various nitrogen analogs of delta6a,10a-tetrahydrocannabinol were synthesized by a general procedure described in an earlier communication. Minimum effective doses (MED50's) and lethal doses (LD50's) were determined by a modified Irwin mouse screen after iv administration of compounds in PEG 200.
Signal transduction interactions between CB1 cannabinoid and dopamine receptors in the rat and monkey striatum.
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Signal transduction interactions between the CB1 cannabinoid and 1 and D2 dopamine receptor systems were studied in rat (Sprague Dawley) and monkey (Macaca fascilaris) striatal membranes. The D2 agonist quinelorane inhibited forskolin (10 microM)-stimulated adenylyl cyclase in a dose-dependent
The mu-opioid receptor agonist morphine, but not agonists at delta- or kappa-opioid receptors, induces peripheral antinociception mediated by cannabinoid receptors.
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OBJECTIVE
Although participation of opioids in antinociception induced by cannabinoids has been documented, there is little information regarding the participation of cannabinoids in the antinociceptive mechanisms of opioids. The aim of the present study was to determine whether endocannabinoids
TRPA1 receptor induced relaxation of the human urethra involves TRPV1 and cannabinoid receptor mediated signals, and cyclooxygenase activation.
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OBJECTIVE
We studied whether TRPA1 agonists interact with sensory and inflammatory signals to relax human urethral smooth muscle.
METHODS
Urethral specimens were obtained perioperatively from 19 patients, and prepared for immunohistochemistry and functional experiments. The effects of allyl
Mustard oils and cannabinoids excite sensory nerve fibres through the TRP channel ANKTM1.
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Wasabi, horseradish and mustard owe their pungency to isothiocyanate compounds. Topical application of mustard oil (allyl isothiocyanate) to the skin activates underlying sensory nerve endings, thereby producing pain, inflammation and robust hypersensitivity to thermal and mechanical stimuli.
Enhanced levels of endogenous cannabinoids in the globus pallidus are associated with a reduction in movement in an animal model of Parkinson's disease.
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In recent years, cannabinoid receptors and their endogenous ligands (endocannabinoids) have been identified within the brain. The high density of CB1 cannabinoid receptors within the basal ganglia suggests a potential role for endocannabinoids in the control of voluntary movement and in basal
The cannabinoid WIN 55,212-2-mediated protection of dentate gyrus granule cells is driven by CB1 receptors and modulated by TRPA1 and Cav 2.2 channels.
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Cannabinoids regulate numerous physiological and pathological events like inflammation or neurodegeneration via CB(1) and CB(2) receptors. The mechanisms behind cannabinoid effects show a high variability and may also involve transient receptor potential channels (TRP) and N-type voltage-gated
A legteljesebb gyógynövény-adatbázis, amelyet a tudomány támogat
- Működik 55 nyelven
- A tudomány által támogatott gyógynövényes kúrák
- Gyógynövények felismerése kép alapján
- Interaktív GPS térkép - jelölje meg a gyógynövényeket a helyszínen (hamarosan)
- Olvassa el a keresésével kapcsolatos tudományos publikációkat
- Keresse meg a gyógynövényeket hatásuk szerint
- Szervezze meg érdeklődését, és naprakész legyen a hírkutatással, a klinikai vizsgálatokkal és a szabadalmakkal
Írjon be egy tünetet vagy betegséget, és olvassa el azokat a gyógynövényeket, amelyek segíthetnek, beírhat egy gyógynövényt, és megtekintheti azokat a betegségeket és tüneteket, amelyek ellen használják.
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