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Expression of P2X7R in microglial cells. Immunofluorescence image of double immunostaining Iba-1/P2X7R in forebrain of control (a) and EAE rats in asymptomatic (4 d.p.i.) (b) and symptomatic (12 d.p.i.) (c) phases of the disease. Activated Iba-1/P2X7R-positive cells are seen in immunized rats (b, c). Images are representative for each of four animals
