Functional and molecular characterization of maxi K+-channels (BKCa) in buffalo myometrium

Animal Reproduction Science

Volumn 126, Issue 3-4, 2011, Pages 173-178

  Choudhury, Soumen ^a   Garg, Satish Kumar ^a   Singh, Thakur Uttam ^b   Mishra, Santosh Kumar ^b  

^a Uttar Pradesh Pandit Deen Dayal Upadhayay Pashu Chikitsa Vigyan Vishwavidyalay Evum Go Anusandhan Sansthan   (India)

^b INDIAN VETERINARY RESEARCH INSTITUTE   (India)

Author keywords

BKCa channels; Buffalo; Myometrium

Indexed keywords

1 (2 HYDROXY 5 TRIFLUOROMETHYLPHENYL) 5 TRIFLUOROMETHYL 2(3H) BENZIMIDAZOLONE; BENZIMIDAZOLE DERIVATIVE; IBERIOTOXIN; LARGE CONDUCTANCE CALCIUM ACTIVATED POTASSIUM CHANNEL; PEPTIDE; TETRYLAMMONIUM;

ANIMAL; ANIMAL DISEASE; ARTICLE; BUFFALO; CHEMISTRY; DOSE RESPONSE; DRUG ANTAGONISM; DRUG EFFECT; FEMALE; METABOLISM; MYOMETRIUM; PHYSIOLOGY; REVERSE TRANSCRIPTION POLYMERASE CHAIN REACTION; UTERUS CONTRACTION; WESTERN BLOTTING;

ANIMALS; BENZIMIDAZOLES; BLOTTING, WESTERN; BUFFALOES; DOSE-RESPONSE RELATIONSHIP, DRUG; FEMALE; LARGE-CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHANNELS; MYOMETRIUM; PEPTIDES; REVERSE TRANSCRIPTASE POLYMERASE CHAIN REACTION; TETRAETHYLAMMONIUM; UTERINE CONTRACTION;

EID: 79961171346     PISSN: 03784320     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.anireprosci.2011.05.014     Document Type: Article

References (29)

1. Anwer K., Toro L., Oberti C., Stefani C., Sanborn B.M. Ca2+-activated K+-channels in pregnant rat myometrium: modulation by β-adrenergic agent. Am. J. Physiol. 1992, 263:C1049-C1056.
2. Anwer K., Oberti C., Perez G.J., Perez-Reyes N., McDougall J.K., Monga M., Sanborn B.M., Stefani E., Toro L. Ca2+-activated K+ channels as modulators of human myometrial contractility. Am. J. Physiol. 1993, 265:C976-C985.
3. Asokan K.T., Sarkar S.N., Mishra S.K., Raviprakash V. Effects of mibefradil on uterine contractility. Eur. J. Pharmacol. 2002, 455:65-71.
4. Benkusky N.A., Fergus D.J., Zucchero T.M., England S.K. Regulation of the Ca2+-sensitive domains of the maxi-K channel in the mouse myometrium during gestation. J. Biol. Chem. 2000, 75:27712-27719.
5. Bradley K.K., Buxton I.L.O., Barber J.E., McGaw T., Bradley M.E. Nitric oxide relaxes human myometrium by a cGMP-independent mechanism. Am. J. Physiol. 1998, 44:C1668-C1673.
6. Brainard A.M., Korovkina V.P., England S.K. Potassium channels and uterine function. Semin. Cell Dev. Biol. 2007, 18(3):332-339.
7. Brainard A.M., Miller A.J., Martens J.R., England S.K. Maxi-K channels localize to caveolae in human myometrium: a role for an actin-channel-caveolin complex in the regulation of myometrial smooth muscle K+ current. Am. J. Physiol. 2005, 289:C49-C57.
8. Chanrachakul B., Pipkin F.B., Khan R.N. Contribution of coupling between human myometrial β2-adrenoreceptor and the BKCa channel to uterine quiescence. Am. J. Physiol. Cell Physiol. 2004, 287:C1747-C1752.
9. Choudhury S., Garg S.K., Singh T.U., Mishra S.K. Cellular coupling of potassium channels with β2 adrenoceptors in mediating myometrial relaxation in buffaloes (Bubalus bubalis). J. Vet. Pharmacol. Ther. 2010, 33:22-27.
10. Coleman H.A., Hart J.D.E., Tonta M.A., Parkinton H.C. Changes in the mechanism involved in uterine contractions during pregnancy in Guinea-pigs. J. Physiol. 2000, 523(3):785-798.
11. Edwards G., Neiderste-Hollenberg A., Schneider J. Ion channel modulation by NS1619, the putative BKCa channel opener in vascular smooth muscle. Br. J. Pharmacol. 1994, 113:1538-1547.
12. Galvez A., Gimenez-Gallego G., Reuben J.P., Roy-Contancin L., Feigenbaum P., Kaczorowski G.J., Garcia M.L. Purification and characterization of a unique, potent, peptidyl probe for the high conductance calcium-activated potassium channel from venom of the scorpion Buthus tamulus. J. Biol. Chem. 1990, 265(19):11083-11090.
13. Gao L., Cong B., Zhang L., Ni X. Expression of the calcium-activated potassium channel in upper and lower segment human myometrium during pregnancy and parturition. Reprod. Biol. Endocrinol. 2009, 7:27.
14. Gauthier K.M., Liu C., Popovic A., Albarwani S., Rusch N.J. Freshly isolated bovine coronary endothelial cells do not express the BKCa channel gene. J. Physiol. 2002, 545(3):829-836.
15. Holland M., Langton P.D., Standen N.B., Boyle J. Effects of the BKCa channel activator. NS1619, on rat cerebral artery smooth muscle. Br. J. Pharmacol. 1996, 117:119-129.
16. Khan R.N., Matharoo-Ball B., Arulkumaran S. Potassium channels in human myometrium. Exp. Physiol. 2001, 86(2):255-264.
17. Khan R.N., Smith S.K., Ashford M.L.J. Contribution of calcium-sensitive potassium channels to NS1619-induced relaxation in human pregnant myometrium. Hum. Reprod. 1998, 13(1):208-213.
18. Khan R.N., Smith S.K., Morrison J.J., Ashford M.L. Properties of large conductance potassium channels in human myometrium during pregnancy and labor. Proc. R. Soc. B 1993, 251:9-13.
19. Kihira M., Matsuzawa K., Tokuno H., Tomita T. Effects of calmodulin antagonists on calcium-activated potassium channels in pregnant rat myometrium. Br. J. Pharmacol. 1990, 100:353-359.
20. Knaus H.G., Garcia-Calvo M., Kaczorowski G.J., Garcia M.L. Subunit composition of the high conductance calcium-activated potassium channel from smooth muscle, a representative of the mSlo and slowpoke family of potassium channels. J. Biol. Chem. 1994, 269:3921-3924.
21. Matharoo-Ball B., Ashford M.L.J., Arulkumaran S., Khan R.N. Down-regulation of the α and β-subunits of the calcium-activated potassium channel in human myometrium with parturition. Biol. Reprod. 2003, 68:2135-2141.
22. Meera P., Wallner M., Jiang Z., Toro L. A calcium switch for the functional coupling between alpha (hslo) and beta subunits (KV Ca beta) of maxi K channels. FEBS Lett. 1996, 382:84-88.
23. Oleson S.P., Munch E., Moldt P., Drejer J. Selective activation of Ca2+-dependent K+ channels by novel benzimidazolone. Eur. J. Pharmacol. 1993, 251:53-59.
24. Sellers A.J., Ashford M.L.J. Activation of BKCa channels in acutely dissociated neurones from the rat ventromedial hypothalamus by NS1619. Br. J. Pharmacol. 1994, 113:659-661.
25. Song M., Zhu N., Olcese R., Barila B., Toro L., Stefani E. Hormonal control of protein expression and mRNA levels of Maxi K channel alpha subunit in myometrium. FEBS Lett. 1999, 460:427-432.
26. Suarez-Kurtz G., Garcia M.L., Kaczorowski G.J. Effects of charybdotoxin and iberiotoxin on the spontaneous motility and tonus of different guinea pig smooth muscle tissues. J. Pharmacol. Exp. Ther. 1991, 259(1):439-443.
27. Toro L., Ramos-Franco J., Stefani E. GTP-dependent regulation of myometrial BKCa channels incorporated into lipid bilayers. J. Gen. Physiol. 1990, 96:373-394.
28. Tritthart H.A., Mahnert W., Fleischhacker A., Adelwohrer N. Potassium channels and modulating factors of channel functions in the human myometrium. Z. Kardiol. 1991, 80:29-33.
29. Zhou X.B., Wang G.X., Ruth P., Huneke B., Korth M. BK(Ca) channel activation by membrane-associated cGMP kinase may contribute to uterine quiescence in pregnancy. Am. J. Physiol. Cell Physiol. 2000, 279:C1751-C1759.