Hemorrhagic shock induces changes in large-conductance Ca2+-dependent K+ channel activity in mesenteric arterial smooth muscle cells of rats

Acta Physiologica Sinica

Volumn 53, Issue 4, 2001, Pages 291-295

  Kai, Li ^a   Hu, De Yao ^a   Wang, Zhong Feng ^b   Shi, Yu Liang ^b   Liu, Liang Ming ^a  

^a THIRD MILITARY MEDICAL UNIVERSITY   (China)

^b Shanghai Jiao Tong University Affiliated Sixth People s Hospital   (China)

Author keywords

Hemorrhagic shock; Large conductance calcium activated potassium channel; Mesenteric artery; Vascular response to norepinephrine; Vascular smooth muscle cell

Indexed keywords

LARGE CONDUCTANCE CALCIUM ACTIVATED POTASSIUM CHANNEL; LARGE-CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHANNEL; NORADRENALIN; POTASSIUM CHANNELS, CALCIUM ACTIVATED;

ANIMAL; ARTICLE; CALCIUM ACTIVATED POTASSIUM CHANNEL; CYTOLOGY; HEMORRHAGIC SHOCK; MALE; MESENTERIC ARTERY; METABOLISM; RAT; RAT STRAIN; SMOOTH MUSCLE FIBER;

ANIMALS; ENGLISH ABSTRACT; MALE; MESENTERIC ARTERIES; MYOCYTES, SMOOTH MUSCLE; NOREPINEPHRINE; POTASSIUM CHANNELS, CALCIUM-ACTIVATED; RATS; RATS, WISTAR; SHOCK, HEMORRHAGIC; SUPPORT, NON-U.S. GOV'T;

EID: 0010433594     PISSN: 03710874     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (16)

1. Scott JA, Mc Cormack DC. Seletive in vivo inhibition of inducible nitric oxide synthase in rat model of sepsis. J Appl Physiol, 1999, 86:1739-1744.
2. Zingarelli B, Squadrito F, Altavilla D. Role of tumor necrosis factor-α in acute hypovolemic hemorrhagic shock in rats. Am J Physiol, 1994, 266:H1512-H1515.
3. Liu J , Zhao KS . Role of calcium kinetic changes in vascular hyporeactivity during severe hemorrhagic shock. Chin J Traumatol , 1997, 13:333 -335 (in Chinese with English abstract).
4. Szabo C, Salzman AL. Inhibition of ATP-activated potassium channels exerts pressor effect and improves survival in a rat model of severe hemorrhagic shock. Shock, 1996, 5:391-394.
5. Ohya Y, Tsuchihashi T, Kagiyama S, et al. Single L-type calcium channels in smooth muscle cells from resistance arteries of spontaneously hypertensive rats. Hypertension, 1998, 31:1125-1129.
6. + channels of high conductance in smooth muscle cells isolated from rat cerebral arteries. J Physiol (Lond), 1993, 462:529-545.
7. Langton PD, Nelson MT, Huang Y, et al. Block of calcium-activated potassium channels in mammalian arterial myocytes by tetraethylammonium ions. Am J Physiol, 1991, 260:H927-H934.
8. Hoang L, Mathers DA. Bacterial endotoxin alters kinetics of BK channels in rat cerebrovacular smooth muscle cells. Biochim Biophys Acta, 1998, 1369:335-345.
9. Price JM, Baker CH, Bond RF. Calcium-activated potassium channel-mediated arteriolar relaxation during endotoxic shock. Shock, 1997, 7:294-299.
10. + channel in cat cerebral arterial muscle cell membranes. Pflugers Arch, 1994, 438:621-630.
11. + channels. J Mol Cell Cardiol, 1998, 30:349 -356.
12. + channels in NO- and hypoxia-induced pial artery vasodilation. Am J Physiol, 1997, 272:H1785-H1790.
13. Yuan XJ, William F, Goldman WF, Tod ML, et al. Hypoxia reduces potassium currents in cultured rat pulmonary but not mesenteric arterial myocytes. Am J Physiol, 1993, 264:L116-L123.
14. + channel alpha subunits in pulmonary artery smooth muscle cells. J Clin Invest, 1997, 100:2347-2353.
15. 2+ sensitivity of myofilament in uterine arteries. Am J Physiol, 1998, 274:H132-H138.
16. Mei JM, Hu DY, Chen HS, et al. Effect of MCI-254, a calcium sensitizer, on cardiac dysfunction in endotoxic shock in rabbits. Shock, 2000, 13:459-463.