All articles tagged with #opioid receptors
New research suggests that blocking kappa opioid receptors (KOR) can restore normal dopamine signaling in mouse models with a rare mutation, offering a potential safer treatment for disorders like ADHD, autism, and bipolar disorder by targeting dopamine imbalances without the side effects of current therapies.
Researchers at Rice University have discovered that opioid receptors play a crucial role in the development of the enteric nervous system (ENS) in the gut, challenging the traditional view of these receptors as solely related to pain and addiction. Using zebrafish embryos, the study found that disrupting opioid receptors affects the migration and maturation of gut neurons, potentially leading to new treatments for congenital digestive disorders.
A study on rats has revealed that the effects of ketamine on depression and pain, as well as its interaction with opioid pathways, differ significantly between sexes. Blocking opioid receptors nullified ketamine’s impact only in male rats, suggesting a complex interplay between ketamine, opioid systems, and sex hormones. This discovery emphasizes the need to consider gender in ketamine treatment strategies and could explain previous inconsistencies in ketamine research. The findings also suggest that testosterone may inhibit males’ ability to compensate for blocked opioid receptors, unlike in females, who increase opioid receptor density in response.
Researchers at Indiana University have discovered a potential new method for reversing fentanyl overdoses by using modified cannabidiol (CBD) as a negative allosteric modulator at the opioid receptor binding site. Initial tests showed that modified CBD successfully reversed fentanyl effects in vitro, and further testing is planned to assess its ability to counteract respiratory depression, a primary overdose effect. This discovery could lead to a new way to reverse fentanyl overdoses, either through a new product or in conjunction with naloxone.