Scientists Solve 40-year Mystery of How Sodium Controls Opioid Brain Signaling

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Scientists Solve 40-year Mystery of How Sodium Controls Opioid Brain Signaling

Scientists have discovered how the element sodium influences the signaling of a major class of brain cell receptors, known as opioid receptors. The discovery, from The Scripps Research Institute (TSRI) and the University of North Carolina (UNC), suggests new therapeutic approaches to a host of brain-related medical conditions.

“It opens the door to understanding opioid related drugs for treating pain and mood disorders, among others,” said lead author Dr. Gustavo Fenalti, a postdoctoral fellow in the laboratory of Professor Raymond C. Stevens of TSRI’s Department of Integrative Structural and Computational Biology.

“This discovery has helped us decipher a 40-year-old mystery about sodium’s control of opioid receptors,” said Stevens, who was senior author of the paper with UNC pharmacologist Professor Bryan Roth. “It is amazing how sodium sits right in the middle of the receptor as a co-factor or allosteric modulator.”

The findings appear in an advanced online publication in the journal Natureon January 12, 2014.

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