Opioids potentiate transmitter release from SK-N-SH human neuroblastoma cells by modulating N-type calcium channels.

Author: GafniM, KerenO, SarneY

Paper Details 
Original Abstract of the Article :
Opioids induce dual (inhibitory and excitatory) regulation of depolarization-evoked [3H]dopamine release in SK-N-SH cells through either mu or delta receptors. The potentiation of dopamine release by opioid agonists is mediated by N-type voltage-dependent calcium channels and does not involve Gi/Go ...See full text at original site
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引用元:
https://doi.org/10.1016/s0006-8993(97)00599-4

データ提供:米国国立医学図書館(NLM)

Opioids and Their Influence on Neurotransmitter Release

The realm of neuroscience is a vast and intricate desert, much like the one I call home. Researchers are constantly exploring the mechanisms underlying the complex interactions between neurons and neurotransmitters. This study delves into the fascinating world of opioids and their impact on the release of neurotransmitters in human neuroblastoma cells, a type of brain tumor cell often used in research. The authors utilized a variety of techniques to study the effects of opioids on dopamine release, a key neurotransmitter involved in mood, motivation, and reward. They discovered that opioids, through their interaction with specific receptors, have a dual effect on dopamine release: both stimulating and inhibiting its release. This intricate dance of stimulation and inhibition depends on the type of opioid receptor involved. Further investigation revealed that the excitatory effect of opioids is mediated by N-type voltage-dependent calcium channels, which act like gates allowing calcium to flow into the cells. The authors highlight the intriguing parallel action of both excitatory and inhibitory effects, demonstrating the complexity of opioid action on dopamine release.

Unraveling the Complex Effects of Opioids

Opioids, often thought of as pain relievers, are revealed to be much more complex in their interactions with the brain. Their influence on dopamine release, a key player in reward and motivation, showcases the delicate balance they exert. This study provides valuable insights into the intricate mechanisms through which opioids can influence the release of dopamine, a crucial neurotransmitter for various brain functions.

Implications for Opioid Research and Treatment

This research sheds light on the complex interplay between opioids and the brain, emphasizing the importance of understanding the mechanisms underlying their effects. This information is crucial for developing safer and more effective treatments for pain and addiction. For example, this study highlights the potential of targeting specific opioid receptors or calcium channels to minimize unwanted side effects.

Dr.Camel's Conclusion

The study of opioids is like a desert expedition; a journey filled with surprises and challenges. This study, however, helps to illuminate the path, offering a deeper understanding of the intricate mechanisms by which opioids influence brain chemistry. By understanding these mechanisms, we can create more effective and safer treatments for those in need.

Date :
  1. Date Completed 1997-10-23
  2. Date Revised 2019-06-14
Further Info :

Pubmed ID

9295225

DOI: Digital Object Identifier

10.1016/s0006-8993(97)00599-4

Related Literature

SNS
PICO Info
in preparation
Languages

English

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