title: Time-Course of the Effects of QSYQ in Promoting Heart Function in Ameroid Constrictor-Induced Myocardial Ischemia Pigs.
abstract: We aim to investigate the therapeutic effects of QSYQ on a pig myocardial ischemia (MI) model and to determine its mechanism of action. The MI model was induced by Ameroid constriction of the left anterior descending coronary (LAD) in Ba-Ma miniature pigs. Four groups were created: model group, digoxin group, QSYQ group, and sham-operated group. Heart function, Ang II, CGMP, TXB2, BNP, and cTnT were evaluated before (3 weeks after operation: 0 weeks) and at 2, 4, and 8 weeks after drug administration. After 8 weeks of administration, the pigs were sacrificed for cardiac injury measurements. Pigs with MI showed obvious histological changes, including BNP, cTnT, Ang II, CGRP, TXB2, and ET, deregulated heart function, and increased levels of apoptotic cells in myocardial tissue. Treatment with QSYQ improved cardiac remodeling by counteracting those events. The administration of QSYQ was accompanied by a restoration of heart function and of the levels of Ang II, CGRP, TXB2, ET BNP, and cTnT. In addition, QSYQ attenuated administration, reduced the apoptosis, and decreased the level of TNF- α and active caspase-3. In conclusion, administration of QSYQ could attenuate Ameroid constrictor induced myocardial ischemia, and TNF- α and active caspase-3 seemed to be the critical potential target of QSYQ.
authors.affiliation: Capital Medical University Beijing An Zhen Hospital, Beijing 100029, China.
authors.forename: Qi
authors.initials: Q
authors.lastname: Qiu
authors.affiliation: Capital Medical University Beijing An Zhen Hospital, Beijing 100029, China.
authors.forename: Yang
authors.initials: Y
authors.lastname: Lin
authors.affiliation: China-Japan Friendship Hospital, Beijing 100029, China.
authors.forename: Cheng
authors.initials: C
authors.lastname: Xiao
authors.affiliation: Beijing University of Chinese Medicine, Beijing 100029, China.
authors.forename: Chun
authors.initials: C
authors.lastname: Li
authors.affiliation: Beijing University of Chinese Medicine, Beijing 100029, China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Wang
authors.affiliation: Capital Medical University Beijing An Zhen Hospital, Beijing 100029, China.
authors.forename: Kexu
authors.initials: K
authors.lastname: Yang
authors.affiliation: Capital Medical University Beijing An Zhen Hospital, Beijing 100029, China.
authors.forename: Wei
authors.initials: W
authors.lastname: Suo
authors.affiliation: Beijing University of Chinese Medicine, Beijing 100029, China.
authors.forename: Yu
authors.initials: Y
authors.lastname: Li
authors.affiliation: Beijing University of Chinese Medicine, Beijing 100029, China.
authors.forename: Wenjing
authors.initials: W
authors.lastname: Chuo
authors.affiliation: Capital Medical University Beijing An Zhen Hospital, Beijing 100029, China.
authors.forename: Yongxiang
authors.initials: Y
authors.lastname: Wei
authors.affiliation: Beijing University of Chinese Medicine, Beijing 100029, China.
authors.forename: Wei
authors.initials: W
authors.lastname: Wang