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Mount Sinai researchers find new target to improve pain management
Date:9/7/2010

rance.

"We found that the brain selectively responds to chronic morphine by increasing heteromer abundance, blocking individual receptors from signaling the analgesic response to morphine," said Dr. Devi. "Now that we have identified a signaling complex associated with morphine tolerance, we can develop a drug that will block the delta receptor within this complex, allowing the mu receptor to signal for pain reduction." Dr. Devi's team will also work to find a drug that binds to the mu-delta receptor complex so that they can study how this receptor complex presents itself in other diseases as well.

"This finding may apply to more than just opiates," continued Dr. Devi. "We look forward to studying the behavior of similar receptor complexes in diseases like obesity, alcohol-induced liver fibrosis, and neuropathic pain itself."


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