HDAC1 and experimental autoimmune encephalomyelitis: Abbreviations: ACC, Anterior cingulate cortex; CCI, Chronic constriction injury; DRG, Dorsal root ganglion; EAE, Experimental autoimmune encephalomyelitis; HDAC1, Histone deacetylase 1; H3K9, Histone H3 lysine 9; IC, Insula; LC, Locus coeruleus; lncRNA, Long non-coding RNA; miRNA, microRNA; NP, Neuropathic pain; PSL, Partial sciatic nerve ligation; RVM, Rostral ventromedial medulla; SNI, Spared nerve injury; SIH, Stress-induced hyperalgesia.