Roles of Ca2+ and Na+ in the inward current and action potentials of guinea pig ureteral myocytes

American Journal of Physiology - Cell Physiology

Volumn 272, Issue 2 41-2, 1997, Pages

  Sui, J L ^a,b   Kao, C Y ^a  

^a SUNY DOWNSTATE MEDICAL CENTER   (United States)

^b CITY UNIVERSITY OF NEW YORK   (United States)

Author keywords

calcium current; patch clamp; smooth muscle physiology

Indexed keywords

CALCIUM; SODIUM;

ANIMAL TISSUE; ARTICLE; CALCIUM CURRENT; CONTROLLED STUDY; FEMALE; GUINEA PIG; MALE; MEMBRANE CURRENT; MUSCLE ACTION POTENTIAL; NONHUMAN; PATCH CLAMP; PRIORITY JOURNAL; SMOOTH MUSCLE; SODIUM CURRENT; URETER; ACTION POTENTIAL; ANIMAL; CELL MEMBRANE POTENTIAL; CYTOLOGY; ELECTRIC CONDUCTIVITY; EXTRACELLULAR SPACE; METABOLISM; PHYSIOLOGY;

ANIMALIA; CAVIA PORCELLUS; SUS SCROFA;

ACTION POTENTIALS; ANIMALS; CALCIUM; ELECTRIC CONDUCTIVITY; EXTRACELLULAR SPACE; FEMALE; GUINEA PIGS; MALE; MEMBRANE POTENTIALS; MUSCLE, SMOOTH; SODIUM; URETER;

EID: 0031067749     PISSN: 03636143     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpcell.1997.272.2.c535     Document Type: Article

References (23)

1. Bozler, E. The action potentials accompanying conducted responses in visceral smooth muscles. Am. J. Physiol. 136: 553-560, 1941.
2. Brading, A. Ion channels and control of contractile activity in urinary bladder smooth muscle. Jpn. J. Pharmacol. 58, Suppl. 2: 120P-127P, 1992.
3. Gabella, G. Quantitative morphological study of smooth muscle cells of the guinea-pig taenia coli. Cell Tissue Res. 170: 161-186, 1976.
4. Hamill, O. P., A. Marty, E. Neher, B. Sakmann, and F. J. Sigworth. Improved patch-clamp technique for high-resolution current recording from cells and cell-free membrane patches. Pfluegers Arch. 391: 85-100, 1981.
5. Imaizumi, Y., K. Muraki, and M. Watanabe. Ionic currents in single smooth muscle cells from the ureter of the guinea-pig. J. Physiol. Lond. 411: 131-159, 1989.
6. Imaizumi, Y., K. Muraki, and M. Watanabe. Characteristics of transient outward current in single smooth muscle cells from the ureter of the guinea-pig. J. Physiol. Lond. 427: 301-324, 1990.
7. Isenberg, G., and U. Klöckner. Calcium tolerant ventricular myocytes prepared by preincubation in a "KB" medium. Pfluegers Arch. 395: 6-18, 1982.
8. Kobayashi, M., and H. Irisawa. Effect of sodium deficiency on the action potential of the smooth muscle of ureter. Am. J. Physiol. 206: 205-220, 1964.
9. Kuriyama, H., T. Osa, and N. Toida. Membrane properties of the smooth muscle of guinea-pig ureter. J. Physiol. Lond. 191: 225-238, 1967.
10. Kuriyama, H., and T. Tomita. The action potential in the smooth muscle of the guinea pig taenia coli and ureter studied by the double sucrose-gap method. J. Gen. Physiol. 55: 147-162, 1970.
11. Lang, R. J. Identification of the major membrane currents in freshly dispersed single smooth muscle cells of guinea-pig ureter. J. Physiol. Lond. 412: 375-395, 1989.
12. 2+ channel current in single smooth muscle cells of the guinea-pig ureter. J. Physiol. Lond. 423: 453-473, 1990.
13. Muraki, K., Y. Imaizumi, and M. Watanabe. Sodium currents in smooth muscle cells freshly isolated from stomach fundus of the rat and ureter of the guinea-pig. J. Physiol. Lond. 442: 351-375, 1991.
14. Prosser, C. L., C. E. Smith, and C. E. Melton. Conduction of action potentials in the ureter of the rat. Am. J. Physiol. 181: 651-660, 1955.
15. Shuba, M. F. The effect of sodium-free and potassium-free solutions, ionic current inhibitors and ouabain on electrophysiological properties of smooth muscle of guinea-pig ureter. J. Physiol. Lond. 264: 837-851, 1977.
16. Shuba, M. F. The mechanism of the excitatory action of catecholamine and histamine on the smooth muscle of guinea-pig ureter. J. Physiol. Lond. 264: 853-864, 1977.
17. Shuba, M. F. Smooth muscle of the ureter: the nature of excitation and the mechanisms of action of catecholamines and histamine. In: Smooth Muscle: An Assessment of Current Knowledge, edited by E. Bulbring, A. F. Brading, A. W. Jones, and T. Tomita. Austin: University of Texas Press, 1981, p. 377-548.
18. Sui, J. L. Ionic Channel Functions in Smooth Myocytes of Lower Urinary Tract of Guinea Pigs (Ph.D. dissertation). Brooklyn, NY: State University of New York Health Science Center, 1993.
19. Sui, J. L., and C. Y. Kao. Properties of inward calcium current in guinea pig ureteral myocytes. Am. J. Physiol. 272 (Cell Physiol. 41): C543-C549, 1997.
20. Sui, J. L., S. Y. Wang, and C. Y. Kao. Ionic current in single myocytes of guinea pig ureter (Abstract). Biophys. J. 57: 156A, 1990.
21. Sui, J. L., S. Y. Wang, and C. Y. Kao. Ionic current underlying the action potential of single myocytes of guinea pig ureter (Abstract). FASEB J. 4: A440, 1990.
22. Washizu, Y. Grouped discharges in ureter muscle. Comp. Biochem. Physiol. 19: 713-728, 1966.
23. Yamamoto, Y., S. L. Hu, and C. Y. Kao. Inward current in single smooth muscle cells of the guinea pig taenia coli. J. Gen. Physiol. 93: 521-550, 1989.