alexa Neutralizing antibodies to interleukin 1-receptor reduce pain associated behavior in mice with experimental neuropathy.


Journal of Addiction Research & Therapy

Author(s): Sommer C, Petrausch S, Lindenlaub T, Toyka KV

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Abstract We investigated whether interleukin-1 (IL-1), a mediator of inflammatory pain, also plays a role in pain induced by nerve injury. Female C57BL/6-mice with a chronic constrictive injury of one sciatic nerve, an established model of neurogenic hyperalgesia and allodynia, were treated with different doses (10-80 microg) of a neutralizing monoclonal rat antibody to IL-1 receptor I (anti-IL-1RI). This antibody dose-dependently reduced thermal hyperalgesia and mechanical allodynia in the animals. Furthermore, immunoreactivity for the proinflammatory cytokine tumor necrosis factor-alpha (TNF) was reduced in mice treated with the highest dose of anti-IL-1RI. Degeneration of myelinated fibers was not altered by any of the treatment schedules. We conclude that IL-1 may be a mediator of hyperalgesia after nerve lesion.
This article was published in Neurosci Lett and referenced in Journal of Addiction Research & Therapy

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