LI Rui,JI Shuliang,ZHANG Jiechun,et al.Study on pharmacological components and mechanism of Qingre huoxue decoction in improving myocardial ischemia-reperfusion injury[J].ZHONGGUO YAOFANG,2022,33(23):2845-2851.
LI Rui,JI Shuliang,ZHANG Jiechun,et al.Study on pharmacological components and mechanism of Qingre huoxue decoction in improving myocardial ischemia-reperfusion injury[J].ZHONGGUO YAOFANG,2022,33(23):2845-2851. DOI: 10.6039/j.issn.1001-0408.2022.23.06.
Study on pharmacological components and mechanism of Qingre huoxue decoction in improving myocardial ischemia-reperfusion injury
To investigate the pharmacological components and mechanism of Qingre huoxue decoction in improving myocardial ischemia-reperfusion injury(MIRI).
METHODS
2
Forty-two rats were randomly divided into sham operation group (normal saline), model group (normal saline), Qingre huoxue decoction low-dose, medium-dose and high-dose groups(4.94, 9.88, 19.79 g/kg),Qingre huoxue decoction drug-containing serum group (19.79 g/kg) and blank serum group (normal saline), with 6 rats in each group. Each group was given corresponding drug/normal saline intragastrically, once a day, for consecutive 2 weeks. Twelve hours after last administration, except for serum groups, MIRI model was induced in other groups (only threading without ligation in sham operation group). After modeling, cardiac histopathology was observed and apoptosis level was detected. UPLC-MS was used to analyze the samples in Qingre huoxue decoction drug-containing serum group and blank serum group. The main pharmacological components were screened with the help of relevant databases. Multivariate statistical methods were used to analyze the differential metabolites and related metabolic pathways. Validation test was performed based on oxidative stress indicators.
RESULTS
2
Qingre huoxue decoction could improve the pathological injury of cardiac tissue and decrease apoptosis rate of cardiac cells in MIRI model rats (
P
<0.05). Qingre huoxue decoction drug-containing serum contained 20 main pharmacological components such as baicalin, succinic acid, baicalein, cryptotanshi
none, isoferulic acid, protocatechuic aldehyde. Qingre huoxue decoction could significantly up-regulate the levels of 15 metabolites including L-arginine, L-arginine, citric acid, glutathione,
β
-D-glucose and L-carnitine, and down-regulated the levels of 14 metabolites including arachidonic acid, 3-phosphate-d-glycerol phosphate, linoleic acid, docosahexaenoic acid, phosphatidylcholine and lysophosphatidylcholine (
P
<0.05). These metabolites were mainly involved in energy metabolism, inflammatory injury, oxidative stress and autophagy. Results of validation tests showed that Qingre huoxue decoction could significantly reduce the levels of malondialdehyde, and increased the levels of superoxide dismutase (except for low-dose group) and glutathione peroxidase significantly (
P
<0.05).
CONCLUSIONS
2
Qingre huoxue decoction can improve the injury of cardiac tissue in MIRI model rats. Its pharmacological components include baicalin, cryptotanshinone, isoferulic acid, protocatechualdehyde, etc. Furthermore, it may play a protective role in MIRI by improving myocardial energy metabolism, down-regulating oxidative stress, inhibiting inflammation infiltration.
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