Samuel S Duffy, Brooke A Keating, Chamini J Perera, Justin G Lees, Ryan S Tonkin, Preet G S Makker, Pascal Carrive, Oleg Butovsky, Gila Moalem-Taylor
Sensory problems, such as neuropathic pain, are common and debilitating symptoms in multiple sclerosis (MS), an autoimmune inflammatory disorder of the central nervous system (CNS). Regulatory T (Treg) cells are critical for maintaining immune homeostasis, however, their role in MS-associated pain remains unknown. Here, we demonstrate that Treg cell ablation is sufficient to trigger experimental autoimmune encephalomyelitis (EAE) and facial allodynia in immunised female mice. In EAE-induced female mice, adoptive transfer of Treg cells and spinal delivery of the Treg cell cytokine interleukin (IL)-35 significantly reduced facial stimulus-evoked pain and spontaneous pain independent of disease severity, and increased myelination of the facial nociceptive pathway...
January 16, 2019: Journal of Neuroscience: the Official Journal of the Society for Neuroscience