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. 2017 Jun 7;4(2):7. doi: 10.3390/jcdd4020007

Figure 6.

Figure 6

Etv1-nuclear LacZ expression during cardiac development. (A) Etv1 is enriched in the pectinated atrial myocardium and in developing (trabecular myocytes) and mature Purkinje cells during cardiogenesis. Embryonic Days 12.5 and 16.5 correspond to E12.5 and E16.5; Postnatal Days 1, 21 and 70 correspond to P1, P21, and P70.; (B) Comparison of the sodium current-voltage (I–V) relationship between atrial, Purkinje and ventricular myocytes from Etv1 WT and KO mice. Ventricular myocytes, VM; right atria, RA; Purkinje cell, PC. Data represent the mean ± S.E.M. * p < 0.05. n = 4 hearts per group (Panels A and B reproduced with permission from [1]).