期刊
EUROPEAN JOURNAL OF PHARMACOLOGY
卷 415, 期 1, 页码 R5-R7出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0014-2999(01)00798-1
关键词
analgesia; cannabinoid CB1 receptor; tibial nerve injury
Although cannabinoids are known to be more effective analgesics against chronic rather than acute pain, the mechanism underlying this phenomenon is still unclear. We report now that contralateral thalamic cannabinoid CB1 receptors are upregulated after unilateral axotomy of the tibial branch of the sciatic nerve, a rat model of chronic neuropathic pain, and hypothesize that cannabinoid CB1 receptor upregulation contributes to the increased analgesic efficacy of cannabinoids in chronic pain conditions. (C) 2001 Elsevier Science B.V. All rights reserved.
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