健脾祛痰化瘀法對(duì)脾虛痰濁AS巴馬小型豬心肌線粒體作用及機(jī)制研究
[Abstract]:Objective: To observe the effect of invigorating spleen and expelling phlegm and removing blood stasis on mitochondrial energy metabolism in Bama piglets with atherosclerosis due to spleen deficiency and phlegm turbidity. * 15 pigs, 6-8 months old, were randomly divided into 3 groups: normal group, model group, Jianpi expectorant Huayu group, 5 rats in each group. Model: normal control group was fed with basal diet, model group, spleen strengthening, expectorant and dissipating stasis group were fed with high fat and high calorie for third weeks. The model of atherosclerosis was established by adding treadmill running overwork in the 6th week and feeding spleen deficiency model for 48 weeks.Medication intervention: After 24 weeks of high-fat feeding, the group of invigorating spleen and removing phlegm and removing blood stasis was stirred into the feed and fed.At the end of the 48th week, the myocardial tissue was taken.The formation of myocardial fat in the model group was observed by oil red O staining, and the Bama was observed by HE staining. * the changes of myocardial cells in minipigs, the changes of mitochondria in cardiac muscle cells were observed under electron microscope. The contents of mitochondrial respiratory chain complexes I, II, III, IV, V and ATP were observed by colorimetry. The expression of M RNA, Na+-K+-ATP * and ATP5F1 enzymes in myocardial mitochondrial energy metabolism pathway in Bama miniature pigs were observed by PCR array. Observe the myocardial mitochondrial energy changes; detect the contents of ROS * *, CAT, MDA and GSH-PX in myocardial mitochondria of Bama minipigs in each group; detect the contents of Bax, Bcl-2, cytochrome C and Caspase3 in the myocardial cells of Bama miniature pigs. Results: 1 * the influence of spleen strengthening, expectorant and stasis removing methods on the myocardial morphology of Bama miniature pigs with spleen deficiency, phlegm and turbid, 1.1 oil red O After staining, the fat was red, the nucleus was blue, and the stroma was colorless. Myocardial oil red O staining showed that the myocardial cells in the normal group were arranged orderly without the infiltration of orange-red adipocytes. Compared with the normal group, the myocardial cells in the model group showed oil red staining and more lipid droplets. The normal group of Bama miniature pigs * cardiomyocytes were short cylindrical and branched, the nuclei were located in the center, oval shape, the myocardial cell contour was clear, the myofibrils were arranged in parallel with the cardiomyocytes * without inflammatory infiltration. In the model group, inflammatory cells infiltrated, cardiac muscle fibers swelled and even necrotic areas appeared in the Bama minipig. Under electron microscope, the myocardial fibers in the normal group were arranged orderly, the number and shape of mitochondria were normal, complete nuclei, mitochondria were visible, Z mitochondria were clear, there were more mitochondria between myofibers, sarcomeres were clear, nucleoli were obvious, mitochondria were not fused, swollen, deformed and so on. The myocardial fibers were arranged disorderly, the nuclei of myocardial cells were irregular and intercalated discs were disorderly. The structure of myocardial cells was blurred, the myocardial fibers were partially dissolved and broken, the Z-line was clear, the mitochondrial ridge between myocardial fibers was reduced or the adventitia was damaged, the mitochondria was swollen and endoplasmic reticulum was vacuolated. In the Chinese medicine treatment group, the cardiac muscle fibers were arranged orderly, the Z line was clear, the mitochondria of the muscle fibers were more, but the mitochondria were partially damaged. The effect of the intercalated disc.2 * the method of invigorating the spleen, eliminating phlegm and removing blood stasis * on the energy metabolism of the myocardial mitochondria in Bama miniature pigs with spleen deficiency, phlegm and turbidity was observed. 2.1 the myocardial mitochondrial respiratory chain of Bama miniature pigs was recovered. The activity of compound I *: compared with the normal group, the activity of myocardial mitochondrial respiratory chain complex I * in Bama miniature pigs decreased, but there was no statistical difference (P0.05). P0.05 (.2.2) * detection of myocardial mitochondrial respiratory chain complex II activity in.2.2 Bama miniature pigs: compared with the normal group, the activity of myocardial mitochondrial respiratory chain complex II decreased significantly (P0.01). .05).2.3 * Bama miniature pig myocardial mitochondrial respiratory chain complex III activity: compared with the normal group, the respiratory chain complex III activity of myocardial mitochondria decreased significantly compared with the normal group (P0.01). After intervention, the Chinese medicine treatment group significantly increased (P0.05).2.4 bar compared with the model group. * detection of myocardial mitochondrial respiratory chain complex IV activity in horses miniature pigs: compared with the normal group, the activity of mitochondrial respiratory chain complex IV in each group was significantly lower than that in the normal group (P0.01). After drug intervention, compared with the model group, the Chinese medicine treatment group significantly increased (P0.05).2.5 Bama miniature pig * Detection of myocardial mitochondrial respiratory chain complex V activity: compared with the normal group, the activity of myocardial mitochondrial respiratory chain complex V significantly decreased in all groups (P0.01). Compared with the model group, the myocardial mitochondrial respiratory chain complex V activity in the model group was significantly increased (P0.01).2.6 Bama miniature pig myocardial mitochondria * Detection of mitochondrial ATP activity: Compared with the normal group, the activity of myocardial mitochondrial ATP in the model group decreased significantly (P 0.01). After drug intervention, compared with the model group, the total treatment group significantly increased (P 0.01). 2.7 PCR array method was used to detect the expression of mitochondrial energy metabolism-related gene m RNA: Compared with the normal group, the model group was significantly increased (P 0.01). The expression of M RNA related to mitochondrial energy metabolism in group A was up-regulated by more than four times in 9 genes, which were DNA JB1, OXA1L, NDUFA6, NDUFB8, NDUFB9, NDUFS2, NDUFS8, PPA2, NNT, accounting for 10% of the total gene number, and down-regulated by more than four times in 17 genes: ATP5A1, ATP5L, ATP5F1, ATP4A, ATP6V1E2, ATP6V0A2, ATP6V1C2, ATP6V1C2, ATP6V1C2. ATP6V1G3, ATP6V1G3, ATP6V0D2, ATP6V0D2, ATP12A, ATP12A, BCS1L, SDHA, SDHA, SDHB, LHPP, NDUFS1, SDHD, SDHD, SLC25A15 15, accounted for 20% of the total gene. Compared with the model group, there were 2 down-regulated (>4-fold) genes, respectively: NDUFB3, NDUFC2, 2, 2% of the total gene number of NDUFB3, NDUFC2, 7 up-regulated (>4-fold) genes, respectively: ATP5A1, ATP5F11 F1F1F1F1F1F11 F12, ATP6V1E2, ATP5E 2, ATP5E 5E 5 E, ATP5E In the meantime, it is necessary to study the relationship between the two. Among the 8%., ATP5F1 and ATP5E were the two most significant changes in the expression of Na+-K+-ATP * enzymes in the.2.8 Bama miniature pigs: the expression of Na+-K+-ATP enzymes in the model group was significantly lower than that in the normal group (P0.01), and the activity of Na+-K+-ATP * in the Chinese medicine treatment group was significantly higher than that in the model group (P0.01). The expression of ATP5F1 protein in the model group was significantly lower than that in the normal group (P0.01). The expression of ATP5F1 in the Chinese medicine treatment group was significantly higher than that in the model group (P0.01).3 * * the method of invigorating the spleen, eliminating phlegm and removing blood stasis could improve the myocardial apoptosis of Bama miniature pigs by affecting mitochondrial oxidative stress, and the detection of myocardial ROS content in Bama miniature pigs. Compared with the normal group, the myocardial mitochondrial ROS content in the model group was significantly higher than that in the normal group (P0.05). After drug intervention, compared with the model group, the Chinese medicine treatment group * significantly reduced (P0.01).3.2 MDA myocardial content in Bama minipigs compared with the model group: the myocardial MDA content of each group was significantly higher than that of the normal group, and the MDA content of the model group increased significantly compared with the normal group (P0.) (P0.) ROS 01) after drug intervention, compared with the model group, the Chinese medicine treatment group significantly reduced (P0.01).3.3 * Bama miniature pig myocardial GSH-PX content detection: compared with the normal group, the myocardial GSH-PX content of the model group was significantly lower than that of the normal group (P0.01). After the intervention, compared with the model group, the Chinese medicine treatment group significantly increased (P0.05).3.4 bar (GSH-PX). * the detection of myocardial CAT content in equine miniature pigs: compared with the normal group, the myocardial CAT content in each group was significantly lower than that in the normal group (P0.01). Compared with the model group, the myocardial * CAT content of the model group was significantly lower than that of the model group (CAT). Compared with the model group, the Bax content in the myocardium of the model group was significantly increased (P0.01). After intervention * compared with the model group, the Chinese medicine treatment group significantly reduced (P0.05).3.6 Bcl-2 protein expression in Bama minipigs: compared with the normal group, the expression of Bcl-2 protein in the myocardium of the two groups was significantly lower than that in the normal group (P0.01). Compared with the traditional Chinese medicine treatment group, the Bcl-2 content (P0.01) was significantly increased * the expression of Cyto C protein was detected in.3.7 Bama miniature pigs. Compared with the normal group, the expression of Cyto C protein in the model group was significantly higher than that in the normal group (P0.01). * the detection of Caspase3 protein expression in porcine myocardium: compared with the normal group, the content of Caspase3 in the myocardium of each group was significantly higher than that in the normal group (P0.01). After intervention, the Chinese medicine treatment group was significantly lower than that in the model group (P0.01). Conclusion: 1. the study of the same subject group has completed the spleen deficiency, phlegm turbidity, atherosclerosis, Bama minor, and Caspase3. * the establishment and evaluation of the pig model. Jianpi expectorant * Huayu method reduced the myocardial mitochondrial injury of Bama miniature pigs caused by spleen deficiency, phlegm and turbid atherosclerosis..2., invigorating the spleen, eliminating phlegm and removing blood stasis can increase the activity of complexes on the electron transport chain of mitochondria, increase ATP synthesis, and improve mitochondrial energy metabolism to relieve atherosclerosis of the spleen asthenia, phlegm and turbid arteries. The method of invigorating the spleen and expelling phlegm and removing blood stasis can reduce the production of oxygen free radicals and MDA, increase the expression of CAT and GSH-PX in the myocardium of Bama miniature pigs with atherosclerosis due to spleen deficiency and phlegm turbidity, and reduce the oxidative stress of the mitochondria through its antioxidant function. * the expression of Bax, Cyto C and Caspase3 in myocardial cells of Ma mini pigs increased Bcl-2 expression and reduced myocardial cell injury.
【學(xué)位授予單位】:遼寧中醫(yī)藥大學(xué)
【學(xué)位級(jí)別】:博士
【學(xué)位授予年份】:2016
【分類號(hào)】:R259
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