IGF-I regulates K+-channel expression of cultured neonatal rat ventricular myocytes

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 272, Issue 6 41-6, 1997, Pages

  Guo, Weinong ^a   Kada, Kenji ^a   Kamiya, Kaichiro ^a   Toyama, Junji ^a  

^a NAGOYA UNIVERSITY   (Japan)

Author keywords

Insulin like growth factor I; Potassium channels

Indexed keywords

4 AMINOPYRIDINE; ISOPRENALINE; POTASSIUM CHANNEL; POTASSIUM ION; SOMATOMEDIN C; TETRYLAMMONIUM;

ANIMAL CELL; ARTICLE; CONTROLLED STUDY; HEART DEVELOPMENT; HEART MUSCLE CELL; HEART VENTRICLE HYPERTROPHY; NEWBORN; NONHUMAN; POTASSIUM CURRENT; PRIORITY JOURNAL; PROTEIN INDUCTION; RAT;

EID: 33751265533     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.1997.272.6.h2599     Document Type: Article

References (17)

1. + channels? Circ. Res. 77: 361-369, 1995.
2. + current in isolated adult rat atrial myocytes. Am. J. Physiol. 260 (Heart Circ. Physiol. 29): H1236-H1247, 1991.
3. Cheng, W., K. Reiss, J. Kajstura, K. Kowal, F. Quaini, and P. Anversa. Down-regulation of the IGF-1 system parallels the attenuation in the proliferative capacity of rat ventricular myocytes during postnatal development. Lab. Invest. 27: 646-655, 1995.
4. Claycomb, W. C. Biochemical aspects of cardiac muscle differentiation: deoxyribonucleic acid synthesis and nuclear and cytoplasmic deoxyribonucleic acid polymerase activity. J. Biol. Chem. 250: 3229-3235, 1975.
5. Davies, M. P., R. H. An, P. Doevendans, S. Kubalak, K. R. Chien, and R. S. Kass. Developmental changes in ionic channel activity in the embryonic murine heart. Circ. Res. 78: 15-25, 1996.
6. Delafontaine, P. Insulin-like growth factor I and its binding proteins in the cardiovascular system. Cardiovasc. Res. 30: 825-834, 1995.
7. Dixon, J. E., and D. Mckinnon. Quantitative analysis of potassium channel mRNA expression in atrial and ventricular muscle of rats. Circ. Res. 75: 252-260, 1994.
8. Donohue, T. J., L. D. Dworkin, M. N. Lango, K. Fliegner, R. P. Lango, J. A. Benstein, W. R. Slater, and V. M. Catanese. Induction of myocardial insulin-like growth factor-I gene expression in left ventricular hypertrophy. Circulation 89: 709-809, 1994.
9. Engelmann, G., K. D. Boehm,J. F. Haskell, P.A. Khairallah, and J. Ilan. Insulin-like growth factors and neonatal cardiomyocyte development: ventricular gene expression and membrane receptor variations in normotensive and hypertensive rats. Mol. Cell. Endocrinol. 63: 648-657, 1989.
10. Feng, J., B. Wible, G.-R. Li, Z. Wang, and S. Nattel Antisense oligonucleotides directed against Kv1.5 mRNA specifically inhibit the ultrarapid delayed rectifier in cultured human atrial myocytes (Abstract). Circulation 94, Suppl. I:I-528, 1996.
11. Fuller, J., J. R. Mynett, and P. H. Sugden. Stimulation of cardiac protein synthesis by insulin-like growth factors. Biochem. J. 282: 85-90, 1992.
12. Guo, W., K. Kamiya, and J. Toyama. bFGF promotes functional expressions of transient outward currents in cultured neonatal rat ventricular cells. Pflüers Arch. 430: 1015-1017, 1995.
13. Guo, W., K. Kamiya, and J. Toyama. Modulated expression of transient outward current in cultured neonatal rat ventricular myocytes: comparison with development in situ. Cardiovasc. Res. 32: 524-533, 1996.
14. Ito, H., M. Hiroe, Y. Hirata, T. Motoyoshi, S. Adachi, S. Masayoshi, A. Koike, A. Nogami, and F. Marumo. Insulin-like growth factor-1 induces hypertrophy with enhanced expression of muscle specific genes in cultured rat cardiomyocytes. Circulation 87: 1715-1721, 1993.
15. Jeck, C. D., and P. A. Boyden. Age-related appearance of outward currents may contribute to developmental differences in ventricular repolarization. Circ. Res. 71: 1390-1403, 1992.
16. Kilborn, M. J., and D. Fedida. A study of the developmental changes in outward currents of rat ventricular myocytes. J. Physiol. (Lond.) 430: 37-60, 1990.
17. 2+ currents in rat aortic smooth muscle cells in primary culture. Circ. Res. 79: 14-19, 1996.