• Pain · Sep 2013

    HDAC inhibitors attenuate the development of hypersensitivity in models of neuropathic pain.

    • Franziska Denk, Wenlong Huang, Ben Sidders, Angela Bithell, Megan Crow, John Grist, Simone Sharma, Daniel Ziemek, RiceAndrew S CASC, Noel J Buckley, and Stephen B McMahon.
    • King's College London, Wolfson Centre for Age-Related Diseases, London SE1 1UL, United Kingdom Pain Research Group, Department of Surgery and Cancer, Imperial College London, London SW10 9NH, United Kingdom Neusentis, Pfizer Worldwide R&D, Cambridge CB21 6GS, United Kingdom King's College London, Institute of Psychiatry, Centre for the Cellular Basis of Behaviour, London SE5 9NU, United Kingdom UCL Genomics, UCL Cancer Institute and Wolfson Institute for Biomedical Research, London WC1E 6BT, United Kingdom Computational Sciences Center of Emphasis, Pfizer Worldwide Research and Development, Cambridge, MA, United States.
    • Pain. 2013 Sep 1; 154 (9): 1668-1679.

    AbstractHistone deacetylase inhibitors (HDACIs) interfere with the epigenetic process of histone acetylation and are known to have analgesic properties in models of chronic inflammatory pain. The aim of this study was to determine whether these compounds could also affect neuropathic pain. Different class I HDACIs were delivered intrathecally into rat spinal cord in models of traumatic nerve injury and antiretroviral drug-induced peripheral neuropathy (stavudine, d4T). Mechanical and thermal hypersensitivity was attenuated by 40% to 50% as a result of HDACI treatment, but only if started before any insult. The drugs globally increased histone acetylation in the spinal cord, but appeared to have no measurable effects in relevant dorsal root ganglia in this treatment paradigm, suggesting that any potential mechanism should be sought in the central nervous system. Microarray analysis of dorsal cord RNA revealed the signature of the specific compound used (MS-275) and suggested that its main effect was mediated through HDAC1. Taken together, these data support a role for histone acetylation in the emergence of neuropathic pain. Copyright © 2013 International Association for the Study of Pain. Published by Elsevier B.V. All rights reserved.

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