A role for proprioceptors in sngception.

IF 11.7 1区 综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES Science Advances Pub Date : 2025-01-31 DOI:10.1126/sciadv.abc5219
Cheng-Han Lee, Jiann-Her Lin, Shing-Hong Lin, Chu-Ting Chang, Yu-Wei Wu, Guy Bewick, Robert W Banks, Stefan Gründer, Ute Hochgeschwender, Chih-Cheng Chen
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Abstract

Proprioceptors are primary mechanosensory neurons to monitor the status of muscle contraction and/or body position (1). Although proprioceptors are known as non-nociceptive mechanoreceptors, they also express the pro-nociceptive acid-sensing ion channel 3 (ASIC3) (2-5). To probe the role for proprioceptors in sensing acidosis (or sngception) (6), we found that genetic deletion of Asic3 in proprioceptors but not in nociceptors abolished acid-induced chronic hyperalgesia in mice. Chemo-optogenetically activating proprioceptors resulted in hyperalgesic priming that favored chronic pain induced by acidosis. In humans, intramuscular acidification induced acid perception but not pain. Conversely, in a spinal cord-injured patient who lost pain sensation in the right leg, proprioception and sngception were remaining somatosensory functions, associated with the spinal dorsal column. Together, evidence from both mouse and human studies suggests a role for proprioceptors in sngception.

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来源期刊
Science Advances
Science Advances 综合性期刊-综合性期刊
CiteScore
21.40
自引率
1.50%
发文量
1937
审稿时长
29 weeks
期刊介绍: Science Advances, an open-access journal by AAAS, publishes impactful research in diverse scientific areas. It aims for fair, fast, and expert peer review, providing freely accessible research to readers. Led by distinguished scientists, the journal supports AAAS's mission by extending Science magazine's capacity to identify and promote significant advances. Evolving digital publishing technologies play a crucial role in advancing AAAS's global mission for science communication and benefitting humankind.
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