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Blockade of PDGFR-? activation eliminates morphine analgesic tolerance.


ABSTRACT: For centuries, opioid drugs have been the mainstay of chronic pain treatment. However, over time analgesic tolerance develops, leaving few treatment options. Here we show that platelet-derived growth factor receptor-? (PDGFR-?)-mediated signaling plays a key role in morphine tolerance. PDGFR-? inhibition selectively eliminates morphine tolerance in rats. PDGFR-? inhibitors are widely used and well tolerated, suggesting that clinical translation of our findings could reduce the suffering endured by individuals with intractable pain.

SUBMITTER: Wang Y 

PROVIDER: S-EPMC3296828 | biostudies-literature | 2012 Feb

REPOSITORIES: biostudies-literature

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Blockade of PDGFR-β activation eliminates morphine analgesic tolerance.

Wang Yan Y   Barker Katherine K   Shi Shanping S   Diaz Miguel M   Mo Bing B   Gutstein Howard B HB  

Nature medicine 20120219 3


For centuries, opioid drugs have been the mainstay of chronic pain treatment. However, over time analgesic tolerance develops, leaving few treatment options. Here we show that platelet-derived growth factor receptor-β (PDGFR-β)-mediated signaling plays a key role in morphine tolerance. PDGFR-β inhibition selectively eliminates morphine tolerance in rats. PDGFR-β inhibitors are widely used and well tolerated, suggesting that clinical translation of our findings could reduce the suffering endured  ...[more]

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