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Comparative Study Acupuncture & electro-therapeutics research. 2016;41(2):107-125. doi: 10.3727/036012916x14666839504631 Q40.22024

Comparison of Beneficial Effects of Acupuncture at PC6, LU7 & Non- acupuncture Points on Cardiac Cell Function in Myocardial Ischemia (MI) Rats by Testing Protein Expression of L-type Calcium Channel Protein and its Related Protein

电针内关、太渊对心肌缺血大鼠心脏细胞功能保护效应的比较及其相关蛋白表达的研究 翻译改进

Longtao Liu, Songzi Wang, Chnnoceno Fu, Shi Shu, Martin Fu, Jing Li, Xue Deng, Jianduan Sun, Wenna Chen, Lu Ren

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DOI: 10.3727/036012916x14666839504631 PMID: 29897687

摘要 Ai翻译

The mechanism of why electro-acupuncture (EA) at PC6 improves the heart function was investigated by studying how the L-type cardiac voltage-dependent calcium channel in myocardial ischemia (MI) is regulated. Cava,., Cavo and Cava2-61 are main component proteins of L-type calcium channel; CaM and Calmodulin kinase II (CaMKII) are Ca2+ channel associated proteins. In this experiment, MI was induced by injection of isoproterenol (ISO) in rats and electrocardiograms (ECGs) were recorded before and after every injection, and protein expressions of Cava,c, Cavp, Cava2_61, CaM and CaMKII were higher [The protein expression increased 43.39%, 54.85%, 47.08%, 48.29% and 50.36% respectively] than the control rats significantly (p<0.05). After MI induction, the MI rats were divided into three groups, including PC6 (Neiguan-point), LU7 (Lieque-point) and Non-acupuncture-point group, which were acupunctured once a day for 7 days respectively. After EA at PC6, the protein expressions showed obvious decrease [EA at PC6: the protein expressions of Cava1c, CavP, Cava2-81, CaM and CaMKII decreased 26.36%, 27.58%, 25.21%, 27.21% and 26.61% respectively.] and they are all lower than MI rats significantly (p<0.05). After EA at LU7 and Non-acupuncture-point, the protein expressions showed no significant changes. The effect of EA at PC6 was significantly better than LU7 and Non- acupuncture-point (p<0.05). PC6 is an acupoint of the pericardium meridian, and the pericardium meridian, which corresponds to opioid system according to Li P's research, can affect the cardio-vascular function directly. LU7 is located on the lung meridian; it cannot affect the heart function directly although the lung is related to the heart in blood circulation function so PC6 showed the target treating effect of meridian specificity on regulating the L-type calcium channel in MI.

Keywords:acupuncture points; myocardial ischemia; protein expression; 非针刺点

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期刊名:Acupuncture & electro-therapeutics research

缩写:ACUPUNCTURE ELECTRO

ISSN:0360-1293

e-ISSN:2167-9010

IF/分区:0.2/Q4

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Comparison of Beneficial Effects of Acupuncture at PC6, LU7 & Non- acupuncture Points on Cardiac Cell Function in Myocardial Ischemia (MI) Rats by Testing Protein Expression of L-type Calcium Channel Protein and its Related Protein