Literature DB >> 2455660

K+ channels activated by L-alanine transport in isolated Necturus enterocytes.

D N Sheppard1, F Giraldez, F V Sepúlveda.   

Abstract

Using the patch-clamp technique, we demonstrate here the opening of K+ channels evoked by the actively transported amino acid L-alanine in isolated Necturus enterocytes. These channels had a conductance of about 30 pS and their activation was dependent on transmembrane electrical potential and cytosolic Ca2+.

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Year:  1988        PMID： 2455660     DOI： 10.1016/0014-5793(88)80134-0

Source DB:  PubMed          Journal:  FEBS Lett        ISSN： 0014-5793            Impact factor:   4.124


  13 in total

1.  Small and maxi K+ channels in the basolateral membrane of isolated crypts from rat distal colon: single-channel and slow whole-cell recordings.

Authors:  B C Burckhardt; H Gögelein
Journal:  Pflugers Arch       Date:  1992-01       Impact factor: 3.657

2.  Reconstitution of a calcium-activated potassium channel in basolateral membranes of rabbit colonocytes into planar lipid bilayers.

Authors:  K Turnheim; J Costantin; S Chan; S G Schultz
Journal:  J Membr Biol       Date:  1989-12       Impact factor: 1.843

3.  Possible target for cystic fibrosis in the small intestinal epithelium.

Authors:  F V Sepúlveda; D N Sheppard; F Giraldez
Journal:  Gut       Date:  1989-01       Impact factor: 23.059

4.  Possible involvement of GTP-binding proteins in the deactivation of an inwardly rectifying K+ current in enterocytes isolated from guinea-pig small intestine.

Authors:  F Fargon; P A McNaughton; F V Sepúlveda
Journal:  Pflugers Arch       Date:  1990-10       Impact factor: 3.657

5.  K+ and Cl- currents in enterocytes isolated from guinea-pig small intestinal villi.

Authors:  F V Sepúlveda; F Fargon; P A McNaughton
Journal:  J Physiol       Date:  1991-03       Impact factor: 5.182

6.  Electrophysiological investigation of the amino acid carrier selectivity in epithelial cells from Xenopus embryo.

Authors:  J Bergman; M Zaafrani; C Bergman
Journal:  J Membr Biol       Date:  1989-11       Impact factor: 1.843

7.  Two types of potassium currents seen in isolated Necturus enterocytes with the single-electrode voltage-clamp technique.

Authors:  M A Valverde; D N Sheppard; F Giraldez; F V Sepúlveda
Journal:  J Physiol       Date:  1991-02       Impact factor: 5.182

8.  Potassium currents of isolated Necturus enterocytes: a whole-cell patch-clamp study.

Authors:  D N Sheppard; M A Valverde; F Giraldez; F V Sepúlveda
Journal:  J Physiol       Date:  1991-02       Impact factor: 5.182

9.  Properties and regulation of basolateral K+ channels in rat duodenal crypts.

Authors:  C M McNicholas; G Fraser; G I Sandle
Journal:  J Physiol       Date:  1994-06-15       Impact factor: 5.182

10.  Activation of basolateral Cl- channels in the rat colonic epithelium during regulatory volume decrease.

Authors:  M Diener; M Nobles; W Rummel
Journal:  Pflugers Arch       Date:  1992-09       Impact factor: 3.657
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