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No pain, big gain

作者:游绛    发布时间:2019-03-07 04:03:00    

PAINKILLERS that target chronic pain without disrupting the body’s ability to react to other stimuli have come a step closer. John Wood of University College London and his colleagues bred mice whose pain-sensing nerves lacked sodium channels, which are thought to be vital for transmitting pain messages. “They showed the desired response to acute pain: they will jump off a hot plate,” says Wood, “but they don’t react normally to mechanical or chronic pain.” Drugs targeting this pathway should block acute pain without interfering with responses to other stimuli,

 

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