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Representative Western blot of Connexin43 (Cx43) (43 kilodalton [kDa]) (a) and the corresponding semi-quantitative evaluation by densitometry (b) using testis homogenate. α-tubulin (52 kDa) was used as loading control (housekeeper). No significant differences in the relative protein amount of Cx43 could be determined comparing knockout (KO) and wild type (WT) mice of both mouse lines.
