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. Author manuscript; available in PMC: 2011 May 17.
Published in final edited form as: Cardiovasc Res. 2005 Aug 15;67(3):548–560. doi: 10.1016/j.cardiores.2005.04.002

Table 1.

Cx43 gap junction (GJ) content (Cx43 μm2/tissue μm2) and percent Cx43 area localized at intercalated disks overall and in the basal (base) or apical (apex) regions of the ventricle of HF-1b wildtype, heterozygous null knockout littermates

Genotype/vent region Cx43 μm2/tissue μm2 % Cx43 area at intercalated disks
+/+ overall 0.016± 0.005 45.1± 9.4
+/− overall 0.015± 0.004 34.6± 7.9
−/− overall 0.012± 0.006† 25.7± 14.2†
+/+ base 0.015± 0.005 42.9± 8.8
+/− base 0.015± 0.004 38.9± 6.9
−/− base 0.013± 0.007 25.4± 11.2†
+/+ apex 0.017± 0.004 47.0± 9.7
+/− apex 0.014± 0.004 30.3± 8.8†
−/− apex 0.010± 0.004† 26.0± 16.7†
†

Significant difference (p <0.001) between wildtype (+/+) and HF-1b knockout (−/−) groups.