Abstract
Channels selective for potassium or chloride ions are present in membranes
of intracellular organelles such as sarcoplasmic (endoplasmic) reticulum,
mitochondria, nucleus, synaptic vesicles, and chromaffin, and zymogen
granules. They probably play an important role in cellular events
such as compensation of electrical charges during transport of Ca$^2+$,
delta pH formation in mitochondria or V-ATPase containing membrane
granules, and regulation of volume changes, due to potassium and
chloride transport into intracellular organelles. Intracellular potassium
and chloride channels could also be the target for pharmacologically
active compounds. This mini-review describes the basic properties,
pharmacology, and current hypotheses concerning the functional role
of intracellular potassium and chloride channels.
- 9724922
- animals,
- cell
- channels,
- chloride
- cytoplasmic
- gov't,
- granules,
- humans,
- membrane,
- mitochondria,
- non-u.s.
- nucleus,
- potassium
- research
- reticulum,
- sarcoplasmic
- support,
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