| Channelopathy |
| Classification and external resources |
| MeSH |
D053447 |
Channelopathies are diseases caused by disturbed function of ion channel subunits or the proteins that regulate them.[1] These diseases may be either congenital (often resulting from a mutation or mutations in the encoding genes) or acquired[2] (often resulting from autoimmune attack on an ion channel).
There are a large number of distinct dysfunctions known to be caused by ion channel mutations. The genes for the construction of ion channels are highly conserved amongst mammals and one condition, hyperkalemic periodic paralysis, was first identified in the descendants of Impressive, a registered Quarter Horse (see AQHA website).
The channelopathies of human skeletal muscle include hyper- and hypokalemic (high and low potassium blood concentrations) periodic paralysis, myotonia congenita and paramyotonia congenita.
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References [edit]
Bibliography [edit]
- Song, YW; Kim, SJ; Heo, TH; Kim, MH; Kim, JB (2012). "Normokalemic periodic paralysis is not a distinct disease". Muscle & Nerve 46 (6): 908–913. doi:10.1002/mus.23441. PMID 22926674.
External links [edit]
VIDEO Channel Surfing in Pediatrics by Carl E. Stafstrom, M.D., at the UW-Madison Health Sciences Learning Center.
