CCL2 and retinitis pigmentosa 1: Significantly increased concentrations of inflammatory chemokines (monocyte chemotactic protein-1) and cytokines (pro-Th1 (IL-12 and TNF-α) and pro-Th17 (IL-1β, IL-6, and IL-23) were measured in the aqueous humor and vitreous fluid of RP patients [49,50].