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PAR1 and PAR2 protein expression in mouse small intestine detected by immunohistochemistry. Upper panels: anti- PAR1 antibody (blue) and anti-CD45 antibody, an immune cell marker (red) staining; Lower panels: anti-PAR2 antibody (blue) and anti-CD45 antibody (red) staining. Arrowheads showed PAR1 and PAR2 staining, respectively, in the upper and lower panels. Arrows indicate CD45 staining, and double arrows indicate colocalization of CD45 and PAR2.
