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Extracellular signal‐regulated kinase activation in the chronic constriction injury model of neuropathic pain in anaesthetized rats

The role of extracellular signal‐regulated kinases (ERKs) in nociception has been explored in the last years. While in spinal cord their activation is frequently correlated with pain or acute noxious stimuli, supraspinally, this association is not so evident and remains unclear. This study aims to evaluate ERK1/2 activation in the spinal cord and brainstem nuclei upon neuropathy and/or an additional mechanical stimulus.