U-50488
U-50488 is a chemical compound that acts as a selective kappa-opioid receptor agonist. It is primarily used in scientific research to study the effects of kappa-opioid receptor activation.
Chemical Properties[edit]
U-50488 has the chemical formula C16H23ClN2O. It is a member of the benzene and pyrrolidine chemical classes. The compound is known for its high affinity and selectivity for the kappa-opioid receptor, making it a valuable tool in neuroscience research.
Pharmacology[edit]
As a kappa-opioid receptor agonist, U-50488 mimics the effects of endogenous dynorphins, which are natural ligands for the kappa-opioid receptor. Activation of this receptor is associated with a variety of physiological and psychological effects, including analgesia, dysphoria, and diuresis. Unlike mu-opioid receptor agonists, kappa-opioid receptor agonists like U-50488 do not produce significant euphoria or respiratory depression, which makes them less likely to be abused.
Research Applications[edit]
U-50488 is widely used in preclinical studies to investigate the role of kappa-opioid receptors in various conditions, such as pain, depression, and addiction. It has also been used to explore the potential therapeutic benefits of kappa-opioid receptor agonists in treating chronic pain and substance use disorders.
Side Effects[edit]
The activation of kappa-opioid receptors by U-50488 can lead to several side effects, including dysphoria, hallucinations, and sedation. These side effects limit the clinical use of kappa-opioid receptor agonists, although they remain valuable in research settings.
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