Epithelial sodium channels (ENaC) produce extracellular positive DC potentials in the retinal neuroepithelium | Zendy

Masayuki Yamashita | Zendy

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Epithelial sodium channels (ENaC) produce extracellular positive DC potentials in the retinal neuroepithelium

Author(s) -

Masayuki Yamashita

Publication year - 2015

Publication title -

data in brief

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.122

H-Index - 30

ISSN - 2352-3409

DOI - 10.1016/j.dib.2015.11.068

Subject(s) - extracellular , retinal , epithelial sodium channel , chemistry , microbiology and biotechnology , neuroepithelial cell , sodium , biophysics , biology , biochemistry , organic chemistry , embryonic stem cell , gene

Positive DC (direct current) potentials were measured in the extracellular space in the retinal neuroepithelium of chick embryos. The positive DC potential was suppressed by amiloride, a blocker for epithelial Na(+) channels (ENaC). Amiloride also decreased the resistance of the extracellular space as measured by passing a constant current through a microelectrode. The positive DC potential is necessary for the guidance of retinal ganglion cell axons [1].

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