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1.
Article in Chinese | WPRIM | ID: wpr-906235

ABSTRACT

Objective:To study the effect and related mechanism of Fuyou granule on danazol-induced precocious puberty model in rats. Method:Totally 21 cages of SD female rats were randomly divided into normal group, model group, Leuprorelin(0.1 g·kg<sup>-1</sup>) and Fuyou mixture group(37.9 g·kg<sup>-1</sup>), and high-dose, mid-dose and low dose Fuyou granule<italic> </italic>groups(17.0,8.5,4.3 g·kg<sup>-1</sup>). Rats at 5 days of age were given a single subcutaneous injection of 300 μg danazol to establish the precocious puberty model. After 10 days of modeling, drug intervention was started. Vaginal opening was examined at the age of 20 days, and the gonadal development was observed by hematoxylin-eosin (HE) staining. The levels of serum luteinizing hormone (LH), follicle-stimulating hormone (FSH) and estradiol (E<sub>2</sub>) were determined by radioimmunoassay. The mRNA expressions of hypothalamic gonadotropin releasing hormone (GnRH), Kiss-1, G protein-coupled receptor 54 (GPR54) were detected by Real-time fluorescent quantitative polymerase chain reaction (Real-time PCR), and the expression of GnRH cells in the hypothalamus was detected by immunohistochemistry. Result:Compared with the normal group, the vaginal opening of the model group was significantly earlier, and the uterus and ovarian coefficients were significantly increased (<italic>P</italic><0.05), indicating that the danazol-induced precocious puberty model was successfully established. The expression levels of GnRH, Kiss-1, and GPR54 also increased significantly (<italic>P</italic><0.05), indicating that the danazol model can activate the HPG axis in advance, thereby inducing precocious puberty<bold>. </bold>Compared with the model group, the mid-dose Fuyou granule group significantly delayed the time of vaginal opening (<italic>P</italic><0.01), high-dose Fuyou granule group<italic> </italic>significantly reduced uterine wall thickness and uterine coefficient (<italic>P</italic><0.05,<italic>P</italic><0.01), mid-dose group reduced ovarian coefficient and uterine wall thickness (<italic>P</italic><0.05). All the three dosage groups of Fuyou granule significantly reduced the content of serum hormones E<sub>2</sub>, LH and FSH (<italic>P</italic><0.05,<italic>P</italic><0.01), reduced the expression levels of hypothalamic GnRH, Kiss-1 and GPR54 mRNA (<italic>P</italic><0.05), and decreased the expression of GnRH cells (<italic>P</italic><0.05). Conclusion:Fuyou granule can achieve therapeutic precocity by regulating the Kiss-1/GPR54 system and down-regulating the expression of GnRH to inhibit the activation of the HPG axis.

2.
Article in English | WPRIM | ID: wpr-913811

ABSTRACT

Purpose@#This study assessed the correlation between Epstein-Barr virus (EBV) biomarkers and the eighth American Joint Committee on Cancer staging system and the prognostic values of IgG antibodies against replication and transcription activator (Rta-IgG), IgA antibodies against Epstein-Barr nuclear antigen 1, and BamH1 Z transactivator (Zta-IgA) in locoregionally advanced nasopharyngeal carcinoma (NPC) patients. @*Materials and Methods@#Serum EBV antibody levels were measured by enzyme-linked immunosorbent assay in 435 newly diagnosed stage III-IVA NPC patients administered intensity-modulated radiation therapy±chemotherapy. The primary endpoint was progression-free survival (PFS). @*Results@#Rta-IgG and Zta-IgA levels were positively correlated with the N category and clinical stage. Patients with high Rta-IgG levels (> 29.07 U/mL) showed a significantly inferior prognosis as indicated by PFS (77% vs. 89.8%, p=0.004), distant metastasis–free survival (DMFS) (88.3% vs. 95.8%, p=0.021), and local recurrence-free survival (LRFS) (91.2% vs. 98.3%, p=0.009). High Rta-IgG levels were also significantly associated with inferior PFS and LRFS in multivariable analyses. In the low-level EBV DNA group (≤ 1,500 copies/mL), patients with high Rta-IgG levels had significantly inferior PFS and DMFS (both p < 0.05). However, in the high-level EBV DNA group, Rta-IgG levels were not significantly associated with PFS, DMFS, and LRFS. In the advanced T category (T3-4) subgroup, high Rta-IgG levels were also significantly associated with inferior PFS, DMFS, and LRFS (both p < 0.05). @*Conclusion@#Rta-IgG and Zta-IgA levels were strongly correlated with the TNM classification. Rta-IgG level was a negative prognostic factor in locoregionally advanced NPC patients, especially those with advanced T category or low EBV DNA level.

3.
Article in Chinese | WPRIM | ID: wpr-888035

ABSTRACT

There have been many clinical trials, systematic reviews/Meta-analysis proving that Xingnaojing Injection has a good clinical efficacy in treatment of cerebral ischaemic stroke, but with fewer comprehensive descriptions. In this study, an overview of systematic reviews/Meta-analysis of Xingnaojing Injection in treating cerebral ischaemic stroke was performed to provide current situation of evidences and basis for clinical practice. CNKI, Wanfang, VIP, CBM, EMbase, PubMed, Cochrane Library, Web of Science were retrieved through computers. A total of 6 literatures were included in this study. By AMSTAR-2 checklist and GRADE, the quality of included systematic reviews and the efficacy of Xingnaojing Injection were evaluated. The results of AMSTAR-2 checklist showed an extremely low quality for all of the 6 systematic reviews. According to the results of GRADE evaluation, among 55 outcomes, there were 2 outcomes with a medium quality, 4 outcomes with a low quality and 49 outcomes with an extremely low quality. The 6 systematic reviews reached a consistent conclusion that Xingnaojing Injection was effective in the treatment of cerebral ischaemic stroke. This therapy could improve the total efficacy, neurological deficit scores, hemodynamic and hemodynamic parameters. However, the methodolo-gical quality of all literatures was extremely low. The evidence levels of outcomes were between extremely low to medium. The effectiveness of Xingnaojing Injection in the treatment of cerebral ischaemic stroke still needs to be further verified by more high-quality studies. In the future, relevant clinical studies and systematic reviews/Meta-analysis shall be carried out in a strict accordance with relevant regulations.


Subject(s)
Brain Ischemia/drug therapy , Drugs, Chinese Herbal , Humans , Ischemic Stroke , Stroke/drug therapy , Systematic Reviews as Topic
4.
Article in Chinese | WPRIM | ID: wpr-888034

ABSTRACT

To overview the systematic reviews of Panax notoginseng saponins in the treatment of acute cerebral infarction. CNKI, CBM, Wanfang, VIP, PubMed, Cochrane Library and EMbase databases were retrieved to collect the systematic reviews of the efficacy of P. notoginseng saponins in the treatment of acute cerebral infarction. The retrieval time was from the time of database establishment to January 2021. After two researchers independently screened out the literature and extracted the data, AMSTAR-2 scale was used to evaluate the methodological quality of the included systematic reviews, GRADE system was used to grade the quality of evidences of the outcome indicators, and the efficacy evaluation was summarized. A total of 5 systematic reviews were included. AMSTAR-2 evaluation results showed that 3 items were relatively complete, while 4 items had a poor overall quality. P. notoginseng saponins combined with conventional Western medicine therapy was superior to single conventional therapy in the recovery of neurological function, enhancement of the total effective rate in clinic, and improvement of activities of daily living. GRADE evaluation results showed that the quality of evidence was from low quality to very low quality. In conclusion, in the treatment of acute cerebral infarction, P. notoginseng saponins can improve the clinical efficacy, with a good safety but a not high methodological quality and a low evidence quality. It is suggested that high-quality clinical studies shall be further carried out to provide evidence-based basis for the application of P. notoginseng saponins in the treatment of acute cerebral infarction.


Subject(s)
Activities of Daily Living , Cerebral Infarction/drug therapy , Humans , Panax notoginseng , Saponins , Systematic Reviews as Topic
5.
Article in Chinese | WPRIM | ID: wpr-888033

ABSTRACT

To analyze the use of outcome indicators of randomized controlled trial(RCT) of acupuncture in the treatment of acute ischemic stroke in recent three years, so as to provide a basis for building a study on the core outcome indicators for the treatment of acute ischemic stroke with acupuncture. The RCTs of acupuncture treatment for acute ischemic stroke in recent three years were collec-ted through computer retrieval of eight Chinese and English databases and two clinical trial registries at home and abroad. Literature was screened out, and data was extracted. Risk of assessment bias tool Cochrane 6.1 was used for bias risk assessment, outcome indicators were summarized and analyzed. A total of 47 RCTs were included, and 3 studies were trials registration scheme. Outcome indicators were divided into 6 categories according to functional attributes, namely physical symptoms/signs, physical and chemical examination, quality of life, traditional Chinese medicine symptoms/syndromes, safety events and long-term prognosis. The study found that in addition to the common problems in previous studies covered by the status quo of outcome indicators selection of RCT of acupuncture in the treatment of acute ischemic stroke, there were also the other problems as follows: emphasis on macroscopic efficacy indicators but neglect of acupuncture specific indicators, lack of characteristic indicators and economic indicators of traditional Chinese medicine therapy, and unification of indicators measurement tool and measurement time point. In the future, the outcome indicators set for the treatment of acute ischemic stroke with acupuncture shall be established, and the core outcome indicators set shall be in line with the characteristics of traditional Chinese medicine treatment.


Subject(s)
Acupuncture Therapy , Brain Ischemia/therapy , Humans , Ischemic Stroke , Quality of Life , Randomized Controlled Trials as Topic , Stroke/therapy , Treatment Outcome
6.
Article in Chinese | WPRIM | ID: wpr-888032

ABSTRACT

To systematically search and sort out the clinical randomized controlled trial(RCT) on the prevention and treatment of acute cerebral infarction with traditional Chinese medicine(TCM) by using the method of evidence map, and to understand the evidence distribution of related studies. CNKI, Wanfang, VIP, CBM, PubMed, EMbase, Cochrane Library and Web of Science were retrieved from January 2016 to September 2020, and literatures related to the prevention and treatment of acute cerebral infarction with traditional Chinese medicine were included. Text description combined with table and bubble chart were used to analyze the distribution characteristics of evidence. A total of 1 102 clinical articles in recent five years were retrieved. The annual trend of clinical study publication, study size, TCM therapy category and main scheme, and study literature quality were analyzed. We find that TCM treatment of acute cerebral infarction has become a hot topic of clinical research, the number of literature showed a trend of increased year by year, various means of intervention of TCM in the treatment of the advantages of increasingly highlight. Follow-up clinical research should highlight the characteristics of TCM: in the analysis of outcome indicators; increase the neuropsychological patients after stroke and cognitive ability, and the theory of combined treatment of TCM disease when thoughts; At the same time, the quality of clinical research needs to be improved. At present, there is still a lack of unified standards for the production of evidence map. This study is the first to explore the application of evidence map to summarize and display the clinical research status of TCM treatment of acute cerebral infarction, and combine it with the setting of priority areas of TCM clinical research, so as to provide a reference basis for determining the priority topic selection of TCM treatment optimization research.


Subject(s)
Brain Ischemia , Cerebral Infarction/drug therapy , Drugs, Chinese Herbal/therapeutic use , Humans , Medicine, Chinese Traditional , Stroke/drug therapy
7.
Article in Chinese | WPRIM | ID: wpr-695891

ABSTRACT

Objective To investigate the clinical efficacy of kinetic rectification acupuncture in treating acute facial neuritis. Method Sixty patients with acute facial neuritis were randomized to observation and control groups. The observation group received kinetic rectification acupuncture and the control group, conventional acupuncture alone. Acupuncture was given five times a week, five times as one course. The therapeutic effects were evaluated after three courses of treatment. Result The total efficacy rate was 93.3% in the observation group and 73.3% in the control group; there was a statistically significant difference between the two groups (P<0.05). The latencies and amplitudes of the frontal muscle, orbicularis oculi muscle and quadrate muscle of upper lip improved in the two groups after treatment and had statistically significant pre-/post-treatment differences (P < 0.01). There were statistically significant differences in the pre-/post-treatment difference values of the latencies and amplitudes of the frontal muscle and orbicularis oculi muscle (P<0.01) and no statistically significant difference in the pre-/post-treatment difference values of the latency and amplitude of the quadrate muscle of upper lip (P>0.05) between the two groups. Conclusion Kinetic rectification acupuncture has a marked therapeutic effect on acute facial neuritis. This study provides a particular therapeutic method for clinical practice.

8.
Article in Chinese | WPRIM | ID: wpr-705205

ABSTRACT

It is important to establish animal models of Parkinson disease (PD) similar to clinical features of human disease. Rotenone can readily penetrate the blood-brain-barrier and cytomem-branes due to its strong lipophilic ability. Rotenone models of PD can not only simulate behavioral changes in patients with PD, but also bear a strong resemblance to the human disease characteristics and pathological process of PD. Based on to researches at home and abroad in recent years, this paper summarizes and analyzes the modeling methods and toxic mechanisms of rotenone-induced PD. These methods include stereotaxis, intravenous injection, abdominal injection, subcutaneous injection, microdialysis drug, intragastric administration, subcutaneous embedded slow-release microspheres and exposure to drugs. The In vitro model invotves SH-SY5Y cells, PC12 cells and DA neurons. The toxic mechanisms involveα-synuclein abnormal aggregation, mitochondrial dysfunction, the generation of reactive oxygen species, damage to the antioxidant defense system, nerve cell apoptosis, and autophagy.

9.
Chinese Pharmaceutical Journal ; (24): 327-331, 2017.
Article in Chinese | WPRIM | ID: wpr-858815

ABSTRACT

OBJECTIVE: To investigate the varieties and use of oral proprietary Chinese medicines in our hospital, analyze the problems existing in their labelings, and put forward suggestions to provide reference for clinical rational drug use. METHODS: The properties of the 101 kinds of oral proprietary Chinese medicines in regard to the category, dosage form, essential drug, health care, OTC, and so on were summarized. Their labelings were collected to analyze the specification, usage and dosage, adverse reactions, contraindications and precautions, etc. RESULTS: Among the 101 traditional Chinese medicines, 44.6% were developed specially for children. When counted by categories and dosage forms, the medicines for regulating spleen and stomach and granules accounted for the majority, respectively. Essential drugs, drugs belonging to the directory of insured drugs, and OTC drugs accounted for 19.8%, 70.4%, and 26.7%, respectively. It was found that 51.5% of the labelings included dosage information for different ages in detail, 59.4% did not state adverse reactions and contraindications clearly, and the smallest dosage suggested by 14.9% of the labelings were less than the smallest packaging dose. CONCLUSION: Chinese patent medicines are widely used in pediatrics, but the information for children is still incomplete. The problems in the prescribing mainly include inappropriate selection of drugs and combination of medications. It was recommended that the relevant authorities carry out pediatric drug reevaluation and improve the labelings of pediatric drugs.

10.
Article in Chinese | WPRIM | ID: wpr-855089

ABSTRACT

Objective: To investigate the neuroprotective effects of paeoniflorin (PF) against cell death induced by hydrogen peroxide (H2O2) in human neuroblastoma cells and its mechanisms. Methods: H2O2 was used to induce SH-SY5Y cell damages, and the cell survival rate was detected by CCK-8 assay; the cell morphologic changes were observed by inverted optical microscope; the apoptosis was tested using Hoechst 33258 staining; flow cytometer (FCM) and propidium iodide staining were used to analyze the apoptosis and cell cycle alteration; reactive oxygen species (ROS) production was determined by 2', 7'-dichlorodihydrofluorescein diacetate (DCFH-DA) fluorescence; lactic dehydrogenase (LDH) release was detected by reaction of diaphorase and INT; 8-OHdG production was determined by enzyme-linked immunosorbent assay (ELISA); caspase-3 activity was determined by caspase-3 catalyzing the specific substrate. Results: Compared with control group, after the treatment with H2O2 (200 μmol/L) for 24 h, the viability and proliferation index of CH-SY5Y cells were significantly decreased (P < 0.01, 0.05), the apoptosis rate and content of 8-OHdG were increased (P < 0.01), the LDH resease and ROS production were increased (P < 0.01); the activity of caspase 3 was increased (P < 0.01). Compared with H2O2 injury group, PF (20-40 μmol/L) significantly ameliorated the changes in SH-SY5Y cells induced by H2O2 in concentration-related manner (P < 0.05). PF (10 μmol/L) did not significantly change the above indexes except the cell viability, ROS, and caspase-3 activity induced by H2O2 (P < 0.05). Conclusion: PF has the significant protective effect against the H2O2-induced cell injury, which may be related to eliminatinging ROS, alleviating DNA oxidative damage, regulation of cell cycle, and inhibition of apoptosis of caspase pathway activation.

11.
Chinese Medical Journal ; (24): 4378-4379, 2011.
Article in English | WPRIM | ID: wpr-333552

ABSTRACT

The development of thrombus on the tricuspid valve is very rare. This report describes a case of acute pulmonary embolism (PE) with a mass on the tricuspid valve in a normal heart, detected by bedside transthoracic echocardiography (TTE). After successful surgical management, the histopathological examination revealed the mass from the tricuspid valve to be mixed thrombus. The early use of bedside TTE can facilitate the prompt diagnosis and aggressive therapy when PE is suspected.


Subject(s)
Female , Humans , Middle Aged , Pulmonary Embolism , Diagnosis , Thrombosis , Diagnosis , Tricuspid Valve , Pathology
12.
Chinese Journal of Pediatrics ; (12): 273-278, 2010.
Article in Chinese | WPRIM | ID: wpr-245417

ABSTRACT

<p><b>OBJECTIVE</b>To compare the antifibrotic effect of oxymatrine and captopril in mice with chronic viral myocarditis (CVMC) and determine the possible antifibrotic mechanism of oxymatrine in CVMC.</p><p><b>METHODS</b>Ninety Balb/c mice were randomly divided into normal control group 1 (n = 10), normal control group 2(n = 10) and CVMC model group (n = 70). The mice in CVMC model group were infected with coxsackievirus B(3) (CVB(3)) on days 0, 14 and 28 to establish CVMC model. The volume of CVB(3) suspension was 0.20 ml, 0.25 ml and 0.30 ml, whose 50% tissue culture infection dose was 10(9) respectively. The mice in the normal control group 1 and 2 were given normal saline of volumes equal to those of viral suspension given to the model group at the same time points. Echocardiography and collagen specific picrosirius red staining were performed to evaluate the CVMC model on day 42 for the mice of the normal control group 1 and 8 mice of CVMC model group. The remaining mice in CVMC model group were randomly divided into CVMC control group, captopril group and oxymatrine group on day 42. From then on, the mice in captopril group and oxymatrine group were treated with captopril or oxymatrine at the dose of 100 mg/kg, by gavage once a day for 28 days, and meanwhile the mice in CVMC control group and the normal control group were given equal-volume normal saline by gastric gavage every day, for 28 days successively. All these mice were sacrificed on day 70. Heart tissue slices were stained with collagen specific picrosirius red and the collagen volume fraction (CVF) was calculated with image analysis software. The expressions of AngII and TGF-beta1 were determined by immunohistochemistry and Western blotting.</p><p><b>RESULTS</b>Compared with normal group 1, the left ventricular end-diastolic internal diameters, left ventricular end-systolic internal diameters and heart rates were significantly increased in CVMC model group (P < 0.05, P < 0.01, P < 0.05, respectively), ejection fractions, fractional shortenings and peak velocity of aorta were all significantly decreased in CVMC model group (P < 0.01 for all comparisons), and CVF levels were significantly increased in CVMC group (P < 0.01) on day 42. Compared with normal control group 2, captopril group and oxymatrine group, CVF levels and the expressions of TGF-beta1 were significantly increased in CVMC control group (P < 0.01 for all comparisons) on day 70. The expressions of AngII in CVMC control group were higher than those in normal control group and captopril group (P < 0.01 for all comparisons), but there were no significant difference between oxymatrine group and CVMC control group (P > 0.05) on day 70.</p><p><b>CONCLUSION</b>Oxymatrine can inhibit myocardial fibrosis in CVMC, and the mechanisms of its antifibrotic effects might be related with the down-regulation of TGF-beta1 expression.</p>


Subject(s)
Alkaloids , Therapeutic Uses , Animals , Antiviral Agents , Therapeutic Uses , Captopril , Therapeutic Uses , Chronic Disease , Disease Models, Animal , Down-Regulation , Enterovirus B, Human , Fibrosis , Male , Mice , Mice, Inbred BALB C , Myocarditis , Metabolism , Pathology , Virology , Myocardium , Metabolism , Quinolizines , Therapeutic Uses , Transforming Growth Factor beta1 , Metabolism , Virus Diseases , Pathology
13.
Chinese Journal of Cardiology ; (12): 68-71, 2008.
Article in Chinese | WPRIM | ID: wpr-299496

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the effects of carvedilol and metoprolol on cardiac fibrosis in rats with experimental myocardial infarction (MI).</p><p><b>METHODS</b>MI was induced in male Sprague-Dawley rats by ligating the left coronary artery. Rats randomly received saline, carvedilol (10 mg.kg(-1).d(-1)) or metoprolol (20 mg.kg(-1).d(-1)) beginning at 4 weeks post MI for 8 weeks per gavage. Sham-operated rats serve as control. Collagen perivascular circumferential collagen area (PCVA), peri-coronary circumferential collagen area (VLCA) and interstitial collagen volume fraction (ICVF) as well as myocardial hydroxyproline content were determined after hemodynamic measurements at the study end.</p><p><b>RESULTS</b>LVEDP were significantly lower and +/- dp/dt significantly higher in carvedilol and metoprolol treated MI rats than that in saline treated MI rats. Myocardial hydroxyproline, PCVA/VLCA ratio and ICVF were significantly reduced in metoprolol, more significantly reduced in carvedilol treated MI rats compared to saline treated MI rats (all P < 0.05).</p><p><b>CONCLUSION</b>Metoprolol and carvedilol could decrease the concentration of hydroxyproline and ICVF in MI rats.</p>


Subject(s)
Adrenergic beta-Antagonists , Pharmacology , Animals , Carbazoles , Pharmacology , Collagen , Metabolism , Disease Models, Animal , Fibrosis , Hydroxyproline , Metabolism , Male , Metoprolol , Pharmacology , Myocardial Infarction , Pathology , Myocardium , Metabolism , Pathology , Propanolamines , Pharmacology , Rats , Rats, Sprague-Dawley
14.
Article in Chinese | WPRIM | ID: wpr-639788

ABSTRACT

Objective To explore the effect of perforin(PFP) antibody on the expression of Granzyme B (GzmB) in viral myocarditis.Methods Forty-five 4-week-old BALB/c male mice were randomly divided into 3 groups,including normal control group (n=15),viral control group (n=15) and PFP antibody therapy group (n=15).The mice in normal control group were inoculated with 0.15 mL Eagle reagent,and the mice in viral control group and PFP antibody therapy group were moculated with 0.15 mL TCID501012 L-1 coxsackievirus B3.The mice in PFP antibody therapy group were inoculated with PFP antibody (0.1 mg/kg) on 6 h and 3 d post inoculation.The mice in 3 groups were sacrificed on day 10 post inoculation.Extracted their hearts,then fixed,dehydrated,embeded and sliced the myocardial tissues.The expressions of GzmB proteins in myocardium were determined by immunohistochemistry.The areas of GzmB were measured by the Leica Qwin V3 system.SPSS 11.5 software was used to analyze the data.Results There were 4 mouse dead in viral control group,and 2 mouse dead in PFP autibody therapy group,no mice dead in normal contol group.The expressions of GzmB were not found in myocardial tissues of normal control group,but there were lots of expressions of GzmB in myocardial tissues of viral control group[(67.13?1.82)%].Athough the expressions of GzmB in PFP antibody therapy group[(6.98?1.34)%] were significantly decreased compared with those in myocardial tissues of viral control group(q=66.180 P

15.
Article in Chinese | WPRIM | ID: wpr-640191

ABSTRACT

Objective To observe the expression of anti-cardiac myosin antibody(AMA) and the collagen volume fraction(CVF) in serum in mice with chronic viral myocarditis(CVMC),and to explore the preventive and protective function of oxymatrine on myocardium.Methods BALB/c mice(n=60) were infected with coxsackievirus B3(CVB3) of increased dose biweekly to establish CVMC model.Mice in normal control group(n=8) received equal-volume 9 g?L-1 saline without CVB3 at the same time.The surviving mice in CVMC model group were randomly divided into CVMC control group(n=8) and oxymatrine therapy group(n=8) at the 42th day.From then on,mice in oxymatrine therapy group were treated with oxymatrine at the dose of 100 mg?kg-1?d-1 by gastric perfusion once a day for 28 days,and meanwhile mice in CVMC control group and the normal control group received equal-volume 9 g?L-1 saline by gastric perfusion every day.Then all mice were sacrificed at the end of the experiment.The ratio between heart weight to body weight(HW/BW) was calculated.Myocardium slides were stained with collagen specific Picric acid-Sirius red staining,and the CVF was calculated with image analysis software.The serum level of AMA(optical density value,A value) was detected by enzyme-linked immunosorbent assay(ELISA).Results HW/BW(0.007 9?0.000 3),CVF [(15.30?1.08)%] and the A value of AMA(0.286?0.053) in mice of CVMC control group were increased significantly compared with those in normal control group HW/BW(0.005 5?0.000 2),CVF[(6.84?1.11)%],the A value of AMA(0.160?0.050)(Pa

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