Mouse anti-beta-Actin (Clone AC-15; Sigma-Aldrich), goat anti-TRPP2 (G-20; Santa Cruz Biotechnology), mouse anti-Polycystin-1 (7E12; Santa Cruz Biotechnology), chicken anti-GFP (ab13970; Abcam), mouse anti-Flag M2 (clone M2; Sigma-Aldrich), rabbit anti-V5 epitope tag (Merck Millipore), and mouse anti-V5-Tag (Clone SV5-Pk1; Bio-Rad) antibodies were obtained commercially. Mouse anti-TRPP2698–799 antibodies have been described previously [12 , 13 (link)]. Western blot detection was performed using an anti-mouse (Dako) horse-radish peroxidase-coupled secondary antibody. Antigens were visualized by immunofluorescence using secondary goat anti-chicken Alexa Fluor 488 (Thermo Fisher Scientific).
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