Distribution of gap junctions in dog and rat ventricle studied with a double-label technique.


To assess the distribution of gap junctions in relation to the cardiac myocyte surface in paraffin sections of dog and rat ventricle, the sarcolemma was labeled with wheat germ agglutinin (WGA1) and gap junctions were labeled with antibodies to cardiac muscle gap junction protein connexin43. WGA labeled all of the myocyte sarcolemma, including that in… (More)


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