Ca2+ currents in cerebral artery smooth muscle cells of rat at physiological Ca2+ concentrations

@article{Rubart1996Ca2CI,
  title={Ca2+ currents in cerebral artery smooth muscle cells of rat at physiological Ca2+ concentrations},
  author={M Rubart and Joseph B. Patlak and Mark T. Nelson},
  journal={The Journal of General Physiology},
  year={1996},
  volume={107},
  pages={459 - 472}
}
Single Ca2+ channel and whole cell currents were measured in smooth muscle cells dissociated from resistance-sized (100-microns diameter) rat cerebral arteries. We sought to quantify the magnitude of Ca2+ channel currents and activity under the putative physiological conditions of these cells: 2 mM [Ca2+]o, steady depolarizations to potentials between -50 and -20 mV, and (where possible) without extrinsic channel agonists. Single Ca2+ channel conductance was measured over a broad range of Ca2… CONTINUE READING

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