Proteins responsible for the pumping force of the heart beat and muscle cell contraction appear to cluster together in intercalated discs in an extremely organized fashion. Scientists from the NYU ...

Diseased hearts may be thrown out of rhythm by structural differences -- now visible for the first time -- in protein groups that connect heart muscle cells, according to the authors of a new study.

embryonic or early foetal life (26), and it has been shown that they increase in numbers and complexity with age after birth (13). In tissue cultures, Hogue (8) has shown that intercalated discs ...