Ca2+-activated K channels in parotid acinar cells: The functional basis for the hyperpolarized activation of BK channels

Channels

Volumn 4, Issue 4, 2010, Pages 278-288

  Romanenko, Victor G ^a   Thompson, Jill ^a   Begenisich, Ted ^a  

^a UNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY   (United States)

Author keywords

IK1 channels; Ion channels; Maxi K channels

Indexed keywords

CALCIUM ACTIVATED POTASSIUM CHANNEL; INTERMEDIATE CONDUCTANCE CALCIUM ACTIVATED POTASSIUM CHANNEL; LARGE CONDUCTANCE CALCIUM ACTIVATED POTASSIUM CHANNEL;

ACINAR CELL; ANIMAL CELL; ARTICLE; CALCIUM CELL LEVEL; HETEROLOGOUS EXPRESSION; HUMAN; HUMAN TISSUE; HYPERPOLARIZATION; ION CONDUCTANCE; MOUSE; NONHUMAN; PAROTID GLAND;

EID: 77956493278     PISSN: 19336950     EISSN: 19336969     Source Type: Journal    
DOI: 10.4161/chan.4.4.12197     Document Type: Article

References (53)

1. + channels in parotid acinar cells. Am J Physiol Cell Physiol 2003; 284:535-46.
2. 2+- activated potassium channel Kcnn4. J Biol Chem 2004; 279:47681-7.
3. Romanenko V, Nakamoto T, Srivastava A, Melvin JE, Begenisich T. Molecular identification and physiological roles of parotid acinar cell maxi-K channels. J Biol Chem 2006; 281:27964-72.
4. Butler A, Tsunoda S, McCobb DP, Wei A, Salkoff L. mSlo, a complex mouse gene encoding "maxi" calcium-activated potassium channels. Science 1993; 261:221-4.
5. + currents in rat muscle cell culture. Nature 1981; 293:471-4.
6. Brayden JE, Nelson MT. Regulation of arterial tone by activation of calcium-dependent potassium channels. Science 1992; 256:532-5.
7. Robitaille R, Garcia ML, Kaczorowski GJ, Charlton MP. Functional colocalization of calcium and calcium-gated potassium channels in control of transmitter release. Neuron 1993; 11:645-55.
8. Nelson MT, Cheng H, Rubart M, Santana LF, Bonev AD, Knot HJ, et al. Relaxation of arterial smooth muscle by calcium sparks. Science 1995; 270:633-7.
9. Brenner R, Perez GJ, Bonev AD, Eckman DM, Kosek JC, Wiler SW, et al. Vasoregulation by the beta1 subunit of the calcium-activated potassium channel. Nature 2000; 407:870-6.
10. 2+ spark. J Gen Physiol 2002; 120:15-27.
11. Sneyd J, Tsaneva-Atanasova K, Yule DI, Thompson JL, Shuttleworth TJ. Control of calcium oscillations by membrane fluxes. Proc Natl Acad Sci USA 2004; 101:1392-6.
12. Gray PT. Oscillations of free cytosolic calcium evoked by cholinergic and catecholaminergic agonists in rat parotid acinar cells. J Physiol 1988; 406:35-53.
13. i in single cells. Science 1989; 244:1582-5.
14. 2+ in parotid acinar cells. Proc Natl Acad Sci USA 1989; 86:167-71.
15. + current in mouse mandibular secretory cells. Whole-cell and fluorescence studies. J Membr Biol 1996; 152:253-9.
16. + channel in baso-lateral acinar cell membranes of mammalian salivary glands. Nature 1983; 302:827-9.
17. 2+ binding and channel opening in large conductance (BK) potassium channels. J Gen Physiol 2002; 120:267-305.
18. 2+ sensitivity is enhanced by its beta1 subunit. J Gen Physiol 2005; 126:393-412.
19. Orio P, Latorre R. Differential effects of beta1 and beta2 subunits on BK channel activity. J Gen Physiol 2005; 125:395-411.
20. Koval OM, Fan Y, Rothberg BS. A role for the S0 transmembrane segment in voltage-dependent gating of BK channels. J Gen Physiol 2007; 129:209-20.
21. Wang B, Rothberg BS, Brenner R. Mechanism of beta4 subunit modulation of BK channels. J Gen Physiol 2006; 127:449-65.
22. + channels. Channels (Austin) 2009; 3:249-58.
23. Ca channel. J Gen Physiol 2009; 133:139-50.
24. Dworetzky SI, Boissard CG, Lum-Ragan JT, McKay MC, Post-Munson DJ, Trojnacki JT, et al. Phenotypic alteration of a human BK (hSlo) channel by hSlo beta subunit coexpression: changes in blocker sensitivity, activation/relaxation and inactivation kinetics, and protein kinase A modulation. J Neurosci 1996; 16:4543-50.
25. Brenner R, Jegla TJ, Wickenden A, Liu Y, Aldrich RW. Cloning and functional characterization of novel large conductance calcium-activated potassium channel beta subunits, hKCNMB3 and hKCNMB4. J Biol Chem 2000; 275:6453-61.
26. Weiger TM, Holmqvist MH, Levitan IB, Clark FT, Sprague S, Huang WJ, et al. A novel nervous system beta subunit that downregulates human large conductance calcium-dependent potassium channels. J Neurosci 2000; 20:3563-70.
27. Behrens R, Nolting A, Reimann F, Schwarz M, Waldschutz R, Pongs O. hKCNMB3 and hKCNMB4, cloning and characterization of two members of the large-conductance calcium-activated potassium channel beta subunit family. FEBS Lett 2000; 474:99-106.
28. + channels. J Gen Physiol 1997; 109:647-73.
29. 2+. J Gen Physiol 1999; 114:277-304.
30. Horrigan FT, Aldrich RW. Allosteric voltage gating of potassium channels II. Mslo channel gating charge movement in the absence of Ca(2+). J Gen Physiol 1999; 114:305-36.
31. + channels described by a two-tiered allosteric gating mechanism. J Gen Physiol 2000; 116:75-99.
32. Ishii TM, Silvia C, Hirschberg B, Bond CT, Adelman JP, Maylie J. A human intermediate conductance calcium-activated potassium channel. Proc Natl Acad Sci USA 1997; 94:11651-6.
33. Logsdon NJ, Kang J, Togo JA, Christian EP, Aiyar J. A novel gene, hKCa4, encodes the calcium-activated potassium channel in human T lymphocytes. J Biol Chem 1997; 272:32723-6.
34. + currents in bovine parotid acinar cells. Am J Physiol Cell Physiol 2003; 284:127-44.
35. Grissmer S, Nguyen AN, Cahalan MD. Calcium-activated potassium channels in resting and activated human T lymphocytes. Expression levels, calcium dependence, ion selectivity and pharmacology. J Gen Physiol 1993; 102:601-30.
36. 2+-independent activation of BKCa channels at negative potentials in mammalian inner hair cells. J Physiol 2005; 569:137-51.
37. Ca channels activating at resting potential without calcium in LNCaP prostate cancer cells. J Membr Biol 2005; 208:229-40.
38. Braun AP. Distinct post-translational modifications regulate BK channel activity: the interplay between protein palmitoylation and phosphorylation. Channels (Austin) 2009; 3:144-5.
39. Ca channel in smooth muscle. Trends Pharmacol Sci 2001; 22:505-12.
40. + channels as a new mechanism of agonist-induced vasoconstriction. Proc Natl Acad Sci USA 2002; 99:14560-5.
41. Valverde MA, Rojas P, Amigo J, Cosmelli D, Orio P, Bahamonde MI, et al. Acute activation of Maxi-K channels (hSlo) by estradiol binding to the beta subunit. Science 1999; 285:1929-31.
42. + channel inhibition by reactive oxygen species. Am J Physiol Cell Physiol 2002; 282:461-71.
43. Ca Channel Gating by Endogenous Signaling Molecules. Physiology (Bethesda) 2009; 24:26-35.
44. Arreola J, Melvin JE, Begenisich T. Activation of calcium-dependent chloride channels in rat parotid acinar cells. J Gen Physiol 1996; 108:35-47. (Pubitemid 26238811)
45. Nakamoto T, Srivastava A, Romanenko VG, Ovitt CE, Perez-Cornejo P, Arreola J, et al. Functional and molecular characterization of the fluid secretion mechanism in human parotid acinar cells. Am J Physiol Regul Integr Comp Physiol 2007; 292:2380-90.
46. - current dynamics: insights from two functionally distinct mouse exocrine cells. J Physiol 2002; 540:469-84.
47. + channels in mouse submandibular glands. J Physiol 2007; 581:801-17.
48. - channels in rabbit pulmonary artery smooth muscle cells. J Physiol 2003; 547:181-96.
49. 2+-activated K channel. J Gen Physiol 2006; 127:159-69.
50. 2+-activated potassium channels. Mol Pharmacol 2003; 63:409-18.
51. + channel, IKCa1: a potential immunosuppressant. Proc Natl Acad Sci USA 2000; 97:8151-6.
52. Singh S, Syme CA, Singh AK, Devor DC, Bridges RJ. Benzimidazolone activators of chloride secretion: potential therapeutics for cystic fibrosis and chronic obstructive pulmonary disease. J Pharmacol Exp Ther 2001; 296:600-11.
53. 2+-dependent. Biochim Biophys Acta 1999; 1420:231-40.