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Control of Extracellular Potassium Levels by Retinal Glial Cell K + Siphoning
Open accessAbstract
Efflux of K + from dissociated salamander Müller cells was measured with ion-selective microelectrodes. When the distal end of an isolated cell was exposed to high concentrations of extracellular K + , efflux occurred primarily from the endfoot, a cell process previously shown to contain most of the K + conductance of the cell membrane. Computer simulations of K + dynamics in the retina indicate that shunting ions through the Müller cell endfoot process is more effective in clearing local increases in extracellular K + from the retina than is diffusion through extracellular space.
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Citations
Cited by
Verkhratsky, A., & Nedergaard, M. (2018) · Physiological Reviews · doi:10.1152/physrev.00042.2016 · Cited by 1,678
The Müller cell: a functional element of the retina
Newman, E., & Reichenbach, A. (1996) · Trends in Neurosciences · doi:10.1016/0166-2236(96)10040-0 · Cited by 788
Self-citationPhysiological Roles of Aquaporin-4 in Brain
Nagelhus, E. A., & Ottersen, O. P. (2013) · Physiological Reviews · doi:10.1152/physrev.00011.2013 · Cited by 766
The molecular basis of water transport in the brain
Amiry-Moghaddam, M., & Ottersen, O. P. (2003) · Nature Reviews Neuroscience · doi:10.1038/nrn1252 · Cited by 733
Müller Glial Cells in Retinal Disease
Bringmann, A., & Wiedemann, P. (2012) · Ophthalmologica · doi:10.1159/000328979 · Cited by 436
Metadata
- Authors
- Newman, E. A., Frambach, D. A., & Odette, L. L.
- Venue
- Science
- Published
- 1984-09-14
- Volume
- 225
- Issue
- 4667
- Pages
- 1174-1175
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2024400996
- Cited by
- 468
- References
- 0
- FWCI
- 5.45
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Control of Extracellular Potassium Levels by Retinal Glial Cell K + Siphoning. https://app.cochat.ai/papers/10.1126/science.6474173
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- Newman, E. A., Frambach, D. A., & Odette, L. L. (1984). Control of Extracellular Potassium Levels by Retinal Glial Cell K + Siphoning. Science. https://doi.org/10.1126/science.6474173
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
