Abstract | AIM: METHODS: RESULTS: F2 reduced the release of CK, CK-MB, LDH, HBDH and GOT, preserved the activity of SOD, and decreased the MDA contents dose-dependently. For morphology, F2 mollified the pathologic changes of myocardium induced by I/R injury. F2 1 micromol/L decreased ICa from (1775+/-360) pA to (464+/-129) pA (n=8, P<0.01) and shifted the current-voltage of ICa upward, without affecting the voltage-depend-ent properties of ICa. CONCLUSION: F2 played a protective role against rat heart I/R injury in a dose-dependent manner, and inhibited ICa in rat ventricular myocytes. The cardioprotective and vasodilatory mechanisms of F2 may be related to its inhibitory effect on L-type calcium channel.
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Authors | Zhan-Qin Huang, Gang-Gang Shi, Jin-Hong Zheng, Bing Liu |
Journal | Acta pharmacologica Sinica
(Acta Pharmacol Sin)
Vol. 24
Issue 8
Pg. 757-63
(Aug 2003)
ISSN: 1671-4083 [Print] United States |
PMID | 12904274
(Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
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Chemical References |
- Calcium Channels, L-Type
- Cardiotonic Agents
- N-n-butyl haloperidol iodide
- Haloperidol
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Topics |
- Animals
- Calcium Channels, L-Type
(drug effects, metabolism)
- Cardiotonic Agents
(chemical synthesis, therapeutic use)
- Haloperidol
(analogs & derivatives, chemical synthesis, pharmacology, therapeutic use)
- Microscopy, Electron
- Myocardial Ischemia
(complications)
- Myocardial Reperfusion Injury
(etiology, prevention & control)
- Myocardium
(ultrastructure)
- Random Allocation
- Rats
- Rats, Sprague-Dawley
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