Na+/Ca2+ exchange current in ventricular myocytes of fish heart: contribution to sarcolemmal Ca2+ influx

@article{Vornanen1999NaCa2EC,
  title={Na+/Ca2+ exchange current in ventricular myocytes of fish heart: contribution to sarcolemmal Ca2+ influx},
  author={Vornanen},
  journal={The Journal of experimental biology},
  year={1999},
  volume={202 (Pt 13)},
  pages={1763-75}
}
  • Vornanen
  • Published 1999 in The Journal of experimental biology
Influx of extracellular Ca2+ plays a major role in the activation of contraction in fish cardiac cells. The relative contributions of Na+/Ca2+ exchange and L-type Ca2+ channels to Ca2+ influx are, however, unknown. Using a physiological action potential as the command pulse in voltage-clamped heart cells, we examined sarcolemmal Ca2+ influx through Na+/Ca2+ exchange and L-type Ca2+ channels in crucian carp (Carassius carassius L.) ventricular myocytes. When other cation conductances were… CONTINUE READING
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