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Immunolocalization of Kv1.5 subunits (A) and caveolin-3 (B) in cryosections of atrial myocardium. Double immunostaining of connexin-43 (FITC, C) and caveolin-3 (Texas Red, D) in cryosections of atrial myocardium. E, merged image of the same area of the section in C and D, showing the lack of overlap between connexin-43 and caveolin-3 stainings.
