alexa [Effect of ligustrazine and L-arginine on function of mitochondria in myocardium after ischemia reperfusion injury of myocardium in rabbits].
Molecular Biology

Molecular Biology

Journal of Cell Science & Therapy

Author(s): Wang WT, Hao ML, Wang FY, Ni SR, Song ZJ,

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Abstract AIM: To study the effect of ligustrazine (LGT) and L-arginine(L-Arg)on function of mitochondria in myocardium after myocardial ischemia/reperfusion injury (MI/RI). METHODS: 50 rabbits were randomly divided into five groups (n=10): Control group(A), MI/R group(B), MI/R + LGT group (C), MI/R+ L-Arg group (D), MI/R+ LGT + L-Arg group (E). The mitochondrial respiratory function, Ca2+ concentration ([Ca2+]m), malondialdehyde (MDA) content and superoxide dismutase (SOD) activity were deter mined. Meanwhile, the contents of ATP and EC in the myocardial tissue were measured, respectively. RESULTS: It was found that mitochondrial respiratory control rate (RCR), state 3 (ST3), SOD in C, D, E group were higher than those of B group, state 4 (ST4), [Ca2+]m, MDA were lower than those of B group, ATP and EC levels of myocardial tissue were higher than those in B group; and there were not significant differences between E and A group of above. CONCLUSION: LGT and IL-Arg can improve function of mitochondria in myocardium after ischemia/reperfusion injury of myocardium in rabbits by decreasing oxygen free radical level and Ca" overload in the mitochondria.
This article was published in Zhongguo Ying Yong Sheng Li Xue Za Zhi and referenced in Journal of Cell Science & Therapy

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