Na+selective channels in the apical membrane of rabbit late proximal tubules (pars recta)
✍ Scribed by Heinz Gögelein; Rainer Greger
- Publisher
- Springer
- Year
- 1986
- Tongue
- English
- Weight
- 655 KB
- Volume
- 406
- Category
- Article
- ISSN
- 0031-6768
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Calcium is actively reabsorbed in the distal nephron segments and recent studies have demonstrated the presence of Ca2+ channels in these epithelial cells, which could be involved in transepithelial transport. To test this possibility, single-channel currents were recorded by the patch-clamp techniq
The membrane potential of proximal tubule cells is dominated by the potassium conductance of the basolateral membrane. In the present paper the nature of this conductance is investigated by the patch-clamp technique. Only one type of K channel was found in the basolateral membranes of freshly isolat