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Spinal neurons involved in the generation of at-level pain following spinal injury in the rat.

Spinal neurons involved in the generation of at-level pain following spinal injury in the rat.

Yezierski RP, Yu CG, Mantyh PW, Vierck CJ, Lappi DA (2004) Spinal neurons involved in the generation of at-level pain following spinal injury in the rat. Neurosci Lett 361(1-3):232-236. doi: 10.1016/j.neulet.2003.12.035

Summary: The elimination of substance P receptor-expressing neurons in lamina I of the spinal cord using SP-SAP (Cat. #IT-07) has been shown to reduce behavior associated with chronic pain. The authors investigated the effects of 150 or 300 ng SP-SAP treatment during or after intraspinal administration of quisqualic acid in rats. Both treatments resulted in a reduction of pain-associated behavior. These results demonstrate that pain following spinal cord injury involves a population of spinal neurons expressing the substance P receptor.