KCNQ1 channels sense small changes in cell volume

Journal of Physiology

Volumn 549, Issue 2, 2003, Pages 419-427

  Grunnet, Morten ^a   Jespersen, Thomas ^a   MacAulay, Nanna ^a   Jørgensen, Nanna K ^a   Schmitt, Nicole ^b   Pongs, Olaf ^b   Olesen, Søren Peter ^a   Klaerke, Dan A ^a  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b UNIVERSITY MEDICAL CENTER HAMBURG EPPENDORF   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

AQUAPORIN 1; CYTOCHALASIN D; CYTOSKELETON PROTEIN; POTASSIUM; PROTEIN SUBUNIT; SODIUM CHLORIDE; VOLTAGE GATED POTASSIUM CHANNEL; WATER; POTASSIUM CHANNEL KCNE1; POTASSIUM CHANNEL KCNE3; POTASSIUM CHANNEL KCNQ1; POTASSIUM CHANNEL KCNQ2; POTASSIUM CHANNEL KCNQ3; POTASSIUM CHANNEL KCNQ4; UNCLASSIFIED DRUG;

AMINO TERMINAL SEQUENCE; ANIMAL CELL; ARTICLE; AUDITORY SYSTEM; CELL TRANSPORT; CELL VOLUME; CONTROLLED STUDY; CYTOSKELETON; EPITHELIUM CELL; HAIR CELL; HEART MUSCLE CELL; INCUBATION TIME; ION CURRENT; NERVE CELL; NONHUMAN; OOCYTE; PHYSICAL SENSITIVITY; PRIORITY JOURNAL; PROTEIN EXPRESSION; PROTEIN PROTEIN INTERACTION; REGULATORY MECHANISM; WATER TRANSPORT; XENOPUS; AMPLITUDE MODULATION; AUDITORY TUBE; CELL FUNCTION; CELL SHRINKAGE; CELL SWELLING; CHANNEL GATING; FEMALE; PROTEIN FUNCTION;

EID: 0038511041     PISSN: 00223751     EISSN: None     Source Type: Journal    
DOI: 10.1113/jphysiol.2003.038455     Document Type: Article

References (31)

1. Arrighi I, Bloch-Faure M, Grahammer F, Bleich M, Warth R, Mengual R, Drici MD, Barhanin J & Meneton P (2001). Altered potassium balance and aldosterone secretion in a mouse model of human cognital long QT syndrome. Proc Natl Acad Sci U S A 98, 8792-8792.
2. Attali B (2002). Human cognital QT syndrome: more than previously thought? Trends Pharmacol Sci 23, 249-251.
3. Barhanin J, Lesage F, Guillemare E, Fink M, Lazdunski M & Romey G (1996). K(V)LQT1 and IsK (minK) proteins associate to form the I(Ks) cardiac potassium current. Nature 384, 78-80.
4. Boucherot A, Schreiber R & Kunzelmann K (2001). Regulation and properties of KCNQ1 (KvLQT1) and impact of the cystic fibrosis transmembrane conductance regulator. J Membrane Biol 182, 39-47.
5. + channels by cell volume changes. Pflugers Arch 444, 167-177.
6. + current in Ehrlich ascites tumour cells. Comp Biochem Physiol 130, 355-366.
7. Jentsch TJ (2000). Neuronal KCNQ potassium channels: physiology and role in disease. Nature Rev Neurosci 1, 1-21.
8. + channel mutated in a form of dominant deafness, is expressed in the inner ear and the central auditory pathway. Proc Natl Acad Sci US A 97, 4333-4338.
9. Kubisch C, Schroeder BC, Friedrich T, Lütjohann B, Elamraoui A, Marlin S, Petit C & Jentsch TC (1999). KCNQ4, a novel potassium channel expressed in sensory outer hair cells, is mutated in dominant deafness. Cell 96, 437-446.
10. + current. Jpn J Physiol 52, 31-39.
11. + channel KvLQT1. J Membr Biol 179, 155-164.
12. Lang F, Busch GL & Volkl H. (1998). The diversity of volume regulatory mechanisms. Cell Physiol Biochem 8, 1-45.
13. Lock H & Valverde MA (2000). Contribution of the IsK (MinK) potassium channel subunit to regulatory volume decrease in murine tracheal epithelial cells. J Biol Chem 273, 34849-34852.
14. + conductance. Pflugers Arch 429, 517-530.
15. + conductance activated during regulatory volume decrease. The channels in Ehrlich cells and their possible molecular countarpart. Comp Biochem Physiol 130, 565-575.
16. O'Neill WC (1999). Physiologial significance of volume-regulatory transporters. Am J Physiol 276, C995-C1011.
17. Romey G, Attali B, Chouabe C, Abitbol I, Guillemare E, Barhanin J & Lazdunski M (1997). Molecular mechanism and functional signigicance of the MinK control of the KvLQT1 channel activity. J Biol Chem 272, 16713-16716.
18. + channel subunits. Trends Pharmacol Sci 21, 199-201.
19. Sanguinetti MC, Curran ME, Zou A, Shen J, Spector PS, Atkinson DL & Keating MT (1996). Assembly of K(V)LQT1 and minK (IsK) proteins to form cardiac I(Ks) potassium channel. Nature 384, 80-83.
20. + pump currents by hypotonic solutions in gunea pig cardiac myocytes. Circ Res 75, 887-895.
21. Schmitt N, Schwarz M, Paretz A, Abitbol I, Attali B & Pongs O (2000). A recessive C-terminal Jervell and Lange-Nielsen mutation of the KCNQ1 channel impairs subunit assembly. EMBO J 19, 332-340.
22. Schroeder BC, Waldegger S, Fehr S, Bleich M, Warth R, Greger R & Jentsch TJ (2000). A constitutively open potassium channel formed by KCNQ1 and KCNE3. Nature 403, 196-199.
23. + fluxes in mouse proximal tubule. J Am Soc Nephrol 12, 2003-2011.
24. Vandenberg JI, Rees SA, Wright AR & Powell TR (1996). Cell swelling and ion transport pathways in cardiac cycle. Cardiovasc Res 32, 85-97.
25. K1. Roles in regulatory volume decrease and erythoid differentiation. J Biol Chem 273, 21542-21553.
26. Wang Q (1996). Positional cloning of a novel potassium channel gene: KVLQT mutations cause cardiac arrhythmias. Nature Genet 12, 17-23.
27. Wang Q, Curran ME, Splawski I, Burn TC, Millholland JM, VanRaay TJ, Shen J, Timothy KW, Vincent GM, de Jager T, Schwartz PJ, Toubin JA, Moss AJ, Atkinson DL, Landes GM, Connors TD & Keating M (1996). Positional cloning of a novel potassium channel gene: KVLQT1 mutations cause cardiac arrhythmias. Nature Genet 12, 17-23.
28. Wang HS, Pan Z, Shi W, Brown BS, Wymore RS, Cohen IS, Dixon JE & McKinnon D (1998). KCNQ2 and KCNQ3 potassium channel subunits: Molecular correlates of the M-current. Science 282, 1890-1893.
29. Warth R & Barhanin J (2002). The multifaceted phenotype of the knockout mouse for the KCNE1 potassium. Am J Physiol Regul Integr Comp Physiol 282, R639-648.
30. + conductance of rat colonic crypts. Pflugers Arch 436, 227-232.
31. +-glucose cotransporter SGLT1 from humans and rabbit. J Physiol 531, 631-644.