THE ABILITY OF AGONIST КXOPIOID RECEPTOR U-50,488 TO SIMULATE THE PHENOMENON OF ISCHEMIC POSTCONDITIONING
https://doi.org/10.29001/2073-8552-2016-31-2-107-110
Abstract
The study examined the ability of к1-opioid receptors (OR) agonist, U(50.488, in doses of 0.1 and 1 mg/kg to simulate ischemic postconditioning of the heart. Duration of ischemia was 10 or 45 min and duration of reperfusion was 10 min or 2 h. Data demonstrated that the introduction of U(50.488 in a dose of 1 mg/kg both before ischemia and 5 min before reperfusion had a pronounced antiarrhythmic effect. Injection of U-50.488 5 min before reperfusion facilitated a decrease in the ratio of infarct area/area at risk by 2 times. Antiarrhythmic effect of к-OR agonists depended on the activation of к- OR.
About the Author
A. V. MukhomedzyanovRussian Federation
References
1. Марков В.А., Рябов В.В., Максимов И.В. и др. // Сибирский медицинский журнал (Томск). – 2011. – Т. 26, № 2, вып.1. – C. 8–14.
2. Bolli R., Triana J.F., Jeroudi M.O. // Circ. Res. – 1990. – Vol. 67, No. 2. – P. 332–343.
3. Maslov L.N., LishmanovYu.B., Oeltgen P.R. et al. // Life Sci. – 2009. – Vol. 84, No. 19–20. – P. 657–663.
4. Murry C.E., Jennings R.B., Reimer K.A. // Circulation. – 1986. – Vol. 74, No. 5. – P. 1124–1136.
5. Neckar J., Szarszoi O., Herget J. et al. Cardioprotective effect of chronic hypoxia is blunted by concomitant hypercapnia // Physiol. Res. – 2003. – Vol. 52, No. 2. – P. 171–175.
6. Peart J.N., Gross E.R., Gross G.J. // J. Cardiovasc. Pharm. – 2004. – Vol. 43(3). – P. 410–415.
7. Peart J.N., Gross E.R., Reichelt M.E. et al. // Basic Res. Cardiol. – 2008. – Vol. 103, No. 5. – P. 454–463.
8. Schultz J.E.J., Hsu A.K., Gross G.J.J. // Mol. Cell. Cardiol. – 1997. – Vol. 29, No. 8. – P. 2187–2195.
9. Zhao Z.Q., Corvera J.S., Halkos M.E. et al. // Am. J. Physiol. Heart Circ. Physiol. – 2003. – Vol. 285, No. 2. – P. H579–H588.
Review
For citations:
Mukhomedzyanov A.V. THE ABILITY OF AGONIST КXOPIOID RECEPTOR U-50,488 TO SIMULATE THE PHENOMENON OF ISCHEMIC POSTCONDITIONING. Siberian Journal of Clinical and Experimental Medicine. 2016;31(2):107-110. (In Russ.) https://doi.org/10.29001/2073-8552-2016-31-2-107-110