Unknown,Transcriptomics,Genomics,Proteomics

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HDAC inhibitors attenuate the development of hypersensitivity in models of neuropathic pain [DRG tissue]


ABSTRACT: Histone 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. n = 4, HDACi treated vs. vehicle treated. Injured ipsilateral DRG after L5 spinal nerve transection. Spinal cord tissue was run in a separate Affymetrix experiment.

ORGANISM(S): Rattus norvegicus

SUBMITTER: Franziska Denk 

PROVIDER: E-GEOD-51295 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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

Denk Franziska F   Huang Wenlong W   Sidders Ben B   Bithell Angela A   Crow Megan M   Grist John J   Sharma Simone S   Ziemek Daniel D   Rice Andrew S C ASC   Buckley Noel J NJ   McMahon Stephen B SB  

Pain 20130518 9


Histone 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 hypersensit  ...[more]

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