scispace - formally typeset
Search or ask a question

Cannabinoids inhibit the synaptic uptake of adenosine and dopamine in the rat and mouse striatum 


Best insight from top research papers

Cannabinoids have been found to inhibit the synaptic uptake of adenosine and dopamine in the rat and mouse striatum . These effects are not mediated by the cannabinoid CB(1) receptors . The inhibitory effect on adenosine uptake is generally more potent than that on dopamine uptake . The inhibitory effects on both adenosine and dopamine uptake are not prevented by the cannabinoid CB(1) receptor antagonist/inverse agonist, LY320135 . Furthermore, these effects are maintained in cannabinoid CB(1) receptor knockout mice . The inhibitory effects on dopamine uptake are observed in both in vitro and in vivo experiments . Overall, these findings suggest that cannabinoids can modulate the synaptic uptake of adenosine and dopamine in the striatum, providing an additional mechanism to consider when interpreting the synaptic effects of cannabinoids .

Answers from top 5 papers

More filters
Papers (5)Insight
The given text does not provide any information about the effects of cannabinoids on the synaptic uptake of adenosine and dopamine in the rat and mouse striatum.
The paper does not provide information about the inhibition of adenosine uptake by cannabinoids in the striatum.
The paper does not mention the effect of cannabinoids on the synaptic uptake of adenosine and dopamine in the striatum.
Yes, cannabinoids inhibit the synaptic uptake of adenosine and dopamine in the rat and mouse striatum.
The paper does not mention the inhibition of adenosine uptake by cannabinoids. It only mentions the inhibition of dopamine uptake in the corpus striatum.

Related Questions

Are there any papers on the effect of cannabichromene on nerve ganglia?s?5 answersCannabichromene (CBC) has been studied for its potential effects on nerve ganglia. One study found that CBC had little or no effect on neuronal cannabinoid signaling in autaptic hippocampal neurons and dorsal root ganglion (DRG) neurons. However, another study showed that CBC administered to undifferentiated NSC-34 cells upregulated several neuronal markers and indicators of neuronal differentiation, suggesting its potential as a neuronal differentiation inducer. These findings highlight the need for further research to fully understand the effects of CBC on nerve ganglia.
Cannabinoid Modulation of Emotion, Memory, and Motivation5 answersThe endocannabinoid system (ECS) plays a crucial role in regulating the stress response, neuroendocrine function, emotional behavior, and memory processes. Cannabinoid agonists have been shown to have both impairing and enhancing effects on memory, depending on the specific conditions and tasks involved. Additionally, the ECS is involved in the modulation of memory for emotionally arousing experiences, particularly through the regulation of glucocorticoid effects. The ECS interacts bidirectionally with the glucocorticoid/stress system, with stress influencing endocannabinoid signaling and the endocannabinoid system providing negative feedback control of the hypothalamic-pituitary-adrenocortical (HPA) axis during stress. Furthermore, cannabinoid signaling within the basolateral amygdala (BLA) and prefrontal cortex (PFC) circuits is crucial for the processing of emotionally salient information, memory formation, and memory-related plasticity. Overall, cannabinoids have diverse effects on emotion, memory, and motivation, and a better understanding of their involvement in these processes is important for determining the potential benefits and risks of their clinical use.
Do Cannabinoid systemaffect anxiety?2 answersThe cannabinoid system has been found to affect anxiety. Studies have shown that the cannabinoid system is involved in anxiety, and the administration of cannabinoid receptor agonists and antagonists can lead to conflicting findings in terms of anxiety levels. However, genetic manipulations and the modulation of endocannabinoid availability have shown more consistent effects on anxiety. Additionally, the non-psychotropic phytocannabinoid cannabidiol and the endocannabinoid anandamide have been found to have acute anxiolytic effects and regulate learned fear. The combination of exogenous cannabinoids and diazepam, a GABAergic system modulator, has been shown to produce additive or synergistic effects on anxiety. Overall, the cannabinoid system plays a role in modulating anxiety, and further research is needed to fully understand its mechanisms and potential therapeutic implications.
How do cannabinoids affect metabolism of opioids?5 answersCannabinoids, including THC and CBD, have been shown to inhibit the metabolism of opioids such as morphine. These cannabinoids inhibit the activity of the enzyme UGT2B7, which is responsible for metabolizing morphine into its inactive and active metabolites. Inhibition of UGT2B7 by cannabinoids leads to a decrease in the formation of these metabolites, potentially affecting the overall analgesic effect of opioids. Studies have shown that THC, CBD, and their metabolites can inhibit the formation of both morphine-3-glucuronide (M3G) and morphine-6-glucuronide (M6G). Additionally, cannabinoids have been found to stimulate glucose metabolism in cells expressing cannabinoid receptors, such as astrocytes and lymphocytes. However, the exact biological role of cannabinoids in modulating metabolism and their potential interactions with opioids are still not fully understood.
Cannabis can also affect the balance between excitatory neurotransmission (glutamate) and inhibitory neurotransmission (GABA) in the brain.2 answersCannabis can affect the balance between excitatory neurotransmission (glutamate) and inhibitory neurotransmission (GABA) in the brain. The main active psychoactive ingredient in cannabis, Δ9-THC, activates cannabinoid 1 (CB1) receptors, which are localized to the terminals of glutamate and GABA neurons. CB1 receptor agonists disrupt neuronal dynamics and synaptic plasticity, resulting in cognitive deficits and impairment of psychological functions. The endocannabinoid system, which is modulated by CB1 receptors, likely interacts with other neurotransmitter systems, including glutamate and GABA. Cannabinoids inhibit the release of GABA and glutamate in the brain, impacting neuromodulation and neurotransmitter release. CB1Rs and glutamate N-methyl-D-aspartate receptors (NMDARs) have direct and indirect interactions, which can disrupt neural network oscillations involved in information processing. Overall, cannabis can disrupt the balance between excitatory and inhibitory neurotransmission in the brain, potentially leading to cognitive impairments and psychotomimetic effects.
Does marijuana inhibit or excite neurons?5 answers