chloride voltage-gated channel Kb
Dernière mise à jour 20 mars 2023
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La CLCNKB gene belongs to the CLC family of genes, which provide instructions for making chloride channels. These channels, which transport negatively charged chlorine atoms (chloride ions), play a key role in a cell's ability to generate and transmit electrical signals. Some CLC channels regulate the flow of chloride ions across cell membranes, while others transport chloride ions within cells.
Normal function
La CLCNKB gene belongs to the CLC family of genes, which provide instructions for making chloride channels. These channels, which transport negatively charged chlorine atoms (chloride ions), play a key role in a cell's ability to generate and transmit electrical signals. Some CLC channels regulate the flow of chloride ions across cell membranes, while others transport chloride ions within cells.
La CLCNKB gene provides instructions for making a chloride channel called ClC-Kb. These channels are found predominantly in the kidneys. ClC-Kb is one of several proteins that work together to regulate the movement of ions into and out of kidney cells. The transport of chloride ions by ClC-Kb channels is part of the mechanism by which the kidneys reabsorb salt (sodium chloride or NaCl) from the urine back into the bloodstream. The retention of salt affects the body's fluid levels and helps maintain blood pressure.
ClC-Kb channels are also located in the inner ear, where they play a role in normal hearing.
Conditions referring to this gene or chromosome
Other names
chloride channel Kb
chloride channel protein ClC-Kb
chloride channel, kidney, B
chloride channel, voltage-sensitive Kb
ClC-K2
ClC-Kb
CLCKB
CLCKB_HUMAN
hClC-Kb
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Lectures complémentaires et références
- chloride voltage-gated channel Kb; MedlinePlus, National Library of Medicine.
- Enriquez R, Adam V, Sirvent AE, Garcia-Garcia AB, Millan I, Amoros F. Gitelman syndrome due to p.A204T mutation in CLCNKB gene. Int Urol Nephrol. 2010 Dec;42(4):1099-102. doi: 10.1007/s11255-010-9850-4. Epub 2010 Oct 8.
- Jeck N, Konrad M, Peters M, Weber S, Bonzel KE, Seyberth HW. Mutations in the chloride channel gene, CLCNKB, leading to a mixed Bartter-Gitelman phenotype. Pediatr Res. 2000 Dec;48(6):754-8. doi: 10.1203/00006450-200012000-00009.
- Jeck N, Waldegger P, Doroszewicz J, Seyberth H, Waldegger S. A common sequence variation of the CLCNKB gene strongly activates ClC-Kb chloride channel activity. Kidney Int. 2004 Jan;65(1):190-7. doi: 10.1111/j.1523-1755.2004.00363.x.
- Jeck N, Waldegger S, Lampert A, Boehmer C, Waldegger P, Lang PA, Wissinger B, Friedrich B, Risler T, Moehle R, Lang UE, Zill P, Bondy B, Schaeffeler E, Asante-Poku S, Seyberth H, Schwab M, Lang F. Activating mutation of the renal epithelial chloride channel ClC-Kb predisposing to hypertension. Hypertension. 2004 Jun;43(6):1175-81. doi: 10.1161/01.HYP.0000129824.12959.f0. Epub 2004 May 17.
- Kieferle S, Fong P, Bens M, Vandewalle A, Jentsch TJ. Two highly homologous members of the ClC chloride channel family in both rat and human kidney. Proc Natl Acad Sci U S A. 1994 Jul 19;91(15):6943-7. doi: 10.1073/pnas.91.15.6943.
- Konrad M, Vollmer M, Lemmink HH, VAN DEN Heuvel LPWJ, Jeck N, Vargas-Poussou R, Lakings A, Ruf R, Deschenes G, Antignac C, Guay-Woodford L, Knoers NVAM, Seyberth HW, Feldmann D, Hildebrandt F. Mutations in the chloride channel gene CLCNKB as a cause of classic Bartter syndrome. J Am Soc Nephrol. 2000 Aug;11(8):1449-1459. doi: 10.1681/ASN.V1181449.
- Kramer BK, Bergler T, Stoelcker B, Waldegger S. Mechanisms of Disease: the kidney-specific chloride channels ClCKA and ClCKB, the Barttin subunit, and their clinical relevance. Nat Clin Pract Nephrol. 2008 Jan;4(1):38-46. doi: 10.1038/ncpneph0689.
- Nozu K, Inagaki T, Fu XJ, Nozu Y, Kaito H, Kanda K, Sekine T, Igarashi T, Nakanishi K, Yoshikawa N, Iijima K, Matsuo M. Molecular analysis of digenic inheritance in Bartter syndrome with sensorineural deafness. J Med Genet. 2008 Mar;45(3):182-6. doi: 10.1136/jmg.2007.052944.
- Schlingmann KP, Konrad M, Jeck N, Waldegger P, Reinalter SC, Holder M, Seyberth HW, Waldegger S. Salt wasting and deafness resulting from mutations in two chloride channels. N Engl J Med. 2004 Mar 25;350(13):1314-9. doi: 10.1056/NEJMoa032843. No abstract available.
- Simon DB, Bindra RS, Mansfield TA, Nelson-Williams C, Mendonca E, Stone R, Schurman S, Nayir A, Alpay H, Bakkaloglu A, Rodriguez-Soriano J, Morales JM, Sanjad SA, Taylor CM, Pilz D, Brem A, Trachtman H, Griswold W, Richard GA, John E, Lifton RP. Mutations in the chloride channel gene, CLCNKB, cause Bartter's syndrome type III. Nat Genet. 1997 Oct;17(2):171-8. doi: 10.1038/ng1097-171.
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