Effect of myocardial infarction on the intestinal absorption of the active ingredients of Qishen Yiqi Dripping Pills
Experimental Studies|更新时间:2023-04-07
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Effect of myocardial infarction on the intestinal absorption of the active ingredients of Qishen Yiqi Dripping Pills
Journal of Beijing University of Traditional Chinese MedicineVol. 46, Issue 3, Pages: 357-365(2023)
作者机构:
北京中医药大学 北京 102488
作者简介:
Prof. DONG Ling, Researcher, Doctoral Supervisor. School of Life Sciences, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488. E-mail: dongling@bucm.edu.cn
基金信息:
National Natural Science Foundation of China(81473362)
LIU Yang, SUN Jing, SUN Jing, et al. Effect of myocardial infarction on the intestinal absorption of the active ingredients of Qishen Yiqi Dripping Pills[J]. Journal of beijing university of traditional chinese medicine, 2023, 46(3): 357-365.
DOI:
LIU Yang, SUN Jing, SUN Jing, et al. Effect of myocardial infarction on the intestinal absorption of the active ingredients of Qishen Yiqi Dripping Pills[J]. Journal of beijing university of traditional chinese medicine, 2023, 46(3): 357-365. DOI: 10.3969/j.issn.1006-2157.2023.03.012.
Effect of myocardial infarction on the intestinal absorption of the active ingredients of Qishen Yiqi Dripping Pills
We aimed to explore the effect of myocardial infarction (MI) on the intestinal absorption of the active ingredients of
Qishen Yiqi
Dripping Pills (QSYQ).
Methods
2
Twenty-five male Sprague-Dawley rats were used. Fifteen rats were randomly selected to establish the MI model by ligating the left anterior descending coronary artery; the remaining rats were used as the normal group. Seven-day postoperative MI model rats were taken to confirm the model was successfully established and to determine the physiological status of the intestinal mucosal barrier by electrocardiography (ECG)
by analyzing myocardial and intestinal tissue sections
and by measuring the levels of the serum biomarkers 5-hydroxytryptamine (5-HT) and lipopolysaccharides(LPS). In normal and seven to nine day postoperative MI model rats
the intestinal absorption of the active ingredients of QSYQ was studied by the single-pass intestinal perfusion method. The final concentration of perfusate was 30 g/L. Values and differences of parameters related to intestinal absorption such as the effective permeability coefficient
absorption rate constant
and absorption fraction were obtained by the weight difference method.
Results
2
The ECGs of MI model rats showed 6-8 Q waves and ST-segment elevation. Cytomorphological changes in HE-stained pathological sections of myocardial and intestinal tissues of rats were observed in the model group
with more inflammatory cell infiltration. The serum concentrations of 5-HT and LPS were higher in the model group (
P
<
0.05). The rate and extent of absorption of the different components varied in MI rats compared to normal rats. The trans-intestinal membrane absorption rates of danshensu
protocatechualdehyde
tanshinone IIA
calycosin
ginsenoside Rb1
and trans-nerolidol were higher in MI rats (
P
<
0.05)
and the in vivo absorption fractions of ginsenoside Rb1 and trans-nerolidol were also simultaneously increased (
P
<
0.05). Danshensu and calycosin changed from low to high permeability. There were no significant differences in parameters related to intestinal absorption of salvianolic acid A
rosmarinic acid
ginsenoside Rg1
notoginsenoside R1
and astragaloside Ⅳ in the disease state.
Conclusion
2
The MI rat model was established successfully after ligating the left anterior descending coronary artery. Morphological changes in myocardial and intestinal tissues of rats were observed. MI changed the mucosal barrier function of the intestine. The effects of the infarct state on the absorption of different types of components were complex and non-specific.
关键词
Keywords
references
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