1.Influence of atorvastatin combined trimetazidine on levels of blood lipids, inflammatory factors and cardiac function in patients with coronary heart disease
Chinese Journal of cardiovascular Rehabilitation Medicine 2017;26(4):398-401
Objective: To study and analyze the influence of atorvastatin combined trimetazidine on levels of blood lipids,inflammatory factors and cardiac function in patients with coronary heart disease (CHD).Methods: A total of 128 CHD patients treated in our hospital from May 2015 to Oct 2016 were selected.According to random number table, they were randomly and equally divided into trimetazidine group (received trimetazidine based on routine treatment) and combined treatment group (received atorvastatin based on trimetazidine group).Both groups were treated for three months.Levels of blood lipids, inflammatory factors and cardiac function were measured and compared between two groups before and after treatment.Results: Compared with trimetazidine group after treatment, there were significant reductions in levels of triglyceride [(2.11±0.73) mmol/L vs.(1.83±0.77)mmol/L], total cholesterol [(5.14±0.96)mmol/L vs.(4.35±0.73)mmol/L], low density lipoprotein cholesterol [(2.35±0.68) mmol/L vs.(1.90±0.34) mmol/L], N terminal pro B type natriuretic peptide [(296.61±28.96) pg/ml vs.(187.53±32.63) pg/ml], fibrinogen [(4.44±0.34) g/L vs.(3.63±0.54) g/L] and high sensitive C reactive protein [(2.41±0.96) mg/L vs.(1.96±0.82) mg/L], left ventricular end-diastolic dimension [(59.25±6.17)mm vs.(48.43±4.28)mm] and left ventricular posterior wall thickness [(11.01±1.08)mm vs.(9.05±1.04)mm], and significant rise in level of high density lipoprotein cholesterol [(1.32±0.25)mmol/L vs.(1.47±0.38)mmol/L] and left ventricular ejection fraction [(41.28±7.04)% vs.(48.66±7.54)%] in combined treatment group, P<0.05 or <0.01.Conclusion: Atorvastatin combined trimetazidine can significantly improve blood lipid, inflammatory factor levels,cardiac function and cardiac structure in CHD patients.The therapeutic effect is significant, which is worth extending.
2.The establishment and identification of human umbilical artery endothelial cells-smooth muscle cells co-culture model
Fudan University Journal of Medical Sciences 2009;36(6):768-775
Objective To establish a human umbilical artery EC-SMC co-culture model, and mimic the morphological and functional characteristics of human arterial wall, for further reseach of the pathological mechanism and therapy of atherosclerosis and imflammatory damage. Methods We secceeded in the primary culture of human umbilical artery endothelial cells (HUAEC) and human umbilical artery smooth muscle cells (HUASMC) by collagenase perfusion digestion and tissue planting, respectively. HUASMCs were incubated in a medium with ascorbic acid at the concentration greater than 50 μg/mL to produce collagen, which was considered as the extracellular matrix for ECs. Then HUAECs were seeded directly upon HUASMCs in a saturate density for sufficient direct physical interaction between ECs and SMCs. The morphological characteristic of EC-SMC co-culture was identified by immunofluorescence staining, and the function of EC-SMC co-culture was identified by Dil-Ac-LDL uptake test. Results The morphological identification showed that the entire surface of HUASMCs was covered by a confluent monolayer confluent monolayer, which indicated that the model had simulated the morphological characteristic of human arterial wall. The results of Dil-Ac-LDL uptake test showed that there was a fluorescent signal in HUAECs. Compared with EC monoculture, the Dil-Ac-LDL uptake of HUAECs was increased significantly in the co-culture system. All the reseach results indicated that there was an interaction between HUAECs and HUASMCs in the co-culture system. Conclusions In the present study, human umbilical artery EC-SMC co-culture model was constructed successfully, which could mimic the morphological characteristic and basic functions of human arterial wall.
3.Minimally invasive surgery for inflammatory bowel disease
Chinese Journal of Digestive Surgery 2016;15(12):1140-1145
Inflammatory bowel disease (IBD) could lead to the complexity of intra-abdominal pathology and patients' malnutrition,which might greatly increase the risk of operation.Laparoscopic minimally invasive surgery is playing an important role in the treatment of IBD,with the advantages of faster postoperative recovery,shorter duration of hospital stay and lower incidence of postoperative complications.And some new techniques for IBD have been reported in the western countries,such as single-incision laparoscopic surgery,natural orifice transluminal endoscopic surgery,robot-assisted laparoscopic surgery and so on.However,the new techniques are not widely used in China,and it is necessary to carry out a series of clinical practices,which should be carefully selected for IBD patients undergoing minimally invasive surgery.
4.Research progress in liver regeneration of cirrhosis
Chinese Journal of Digestive Surgery 2017;16(2):210-214
Compared with the regeneration ability of normal liver,that of liver with cirrhosis is so weak that its reserve function is insufficient,resulting in a great increase of chance of liver failure after partial hepatectomy,and limiting the development of major hepatectomy.It has been demonstrated that the hepatocytes of cirrhosis still possess the suppressed ability of regeneration.The morphological structures as well as physiological functions of regenerated hepatocytes are not complete.The important mechanisms leading to the impairment of regeneration ability include pathophysiologic changes such as excessive deposition of extracellular matrix and the capillarization,the imbalance of energy metabolism of hepatocytes and disruptive secretion of sinus endothelial cells and so on.The clinical observation is that many factors can stimulate the regeneration of liver with cirrhosis,including radiofrequency ablation,partial hepatectomy,associated liver partition and portal vein ligation for staged hepatectomy,splenectomy,drugs,cell transplantation,tokines et al.It is of great significance to promote the regeneration ability of liver with cirrhosis associated with various approaches reasonably for enhancing the security of partial hepatectomy and treatment of end-stage liver diseases.
5.Anti- Tumor Effect of Vaccination with Irradiation Tumor Cells Transduced with Mouse Interferon-Gamma Gene
Chinese Journal of Cancer Biotherapy 1995;0(02):-
The whole length mouse interferon-gamma (mIFN-?) cDNA was obtained using RT-PCR and was introduced into mouse hepatoma cell line H22 by retroviral vector. We examined the tumorigenicity of mIFN-? gene modified H22 in experimental animals. The results indicated that the gene modified tumor cells had less tumorigenicity than the parental tumor cells and the tumor vaccine had therapeatic effects on tumor-bearing animals.
6.Risk factors and treatment of early complications after pancreaticoduodenectomy
Chinese Journal of General Surgery 2001;0(09):-
Objective To study the risk factors of early complications and methods of treatment after pancreaticoduodenectomy(PD).Methods There were 79 patients who undercoent PD at our hospital between January 1998 and December 2007.All of the patients were divided into complication group and non-complication group according to the outcomes.Their clinical features,preoperative tests,and surgical factors were retrospectively analyzed.Results The postoperative complication rate was 58.2%,and the hospital mortality was13.9%.Logistic regression showed that the level of total bilirubin and liver function classification were the independent risk factors(P0.05).Conclusions The early complications after PD are closely related to the preoperative level of serum bilirubin and liver function.Proper periopertive management can effectively decrease the occurrence of pancreatic leakage and other postoperative compliccations.
7.Expression and clinical significance of Bmi-1,Podoplanin and p53 in human thymic epithelial tumor
Journal of Shanghai Jiaotong University(Medical Science) 2006;0(09):-
Objective To investigate the expression and clinical significance of Bmi-1,Podoplanin and p53 in human thymic epithelial tumor(TET) according to new histological classification of World Health Organization. Methods One hundred and ten TET tissue chips were prepared,and the expressions of Bmi-1,Podoplanin and p53 were detected by NovoLinkTM Polymer detection systems. Results The positive expressions of Bmi-1,Podoplanin and p53 were 68.2%,41.8% and 42.7%,respectively.The positive expressions of Bmi-1,Podoplanin and p53 were significantly associated with pathologic histological classification,Masaoka staging and clinic pathological grading(P
8.Effect of losartan on transforming growth factor β1 in alcoholic nephropathy in rats
Journal of Chinese Physician 2009;11(1):21-24
Objective To investigate the effect of losartan,an angiotensin 1I type 1 receptor antagonist(ATlRA),on transforming growth factor-β1 expression in alcoholic nephropathy in rats.Methods Male adult Wistar rats were random divided into three subgroups and treated daily for 12 weeks as follows,rats were treated with normal saline[20ml/(kg·d)gavage twicely]in vehicle group,rats were treatedwith alcohol[400g/L,8g/(kg·d)gavage twieely]in alcoholic nephropathy,and rats were concomitantly treated with alcohol and Iosartan [200mg/L,ling/(kg·d),gavage]in alcohol+losartan.HE staining,Sirius red staining,electronic microscope,and immunohistochemistry were used to examine histologic changes,collagen fibers deposition,and the expression of TGF-BI.Results Compared with vehicle treated rats,alcoholic nephropathy rats showed tubular vacuolation,granular degeneration,swelling,tubulointerstitial inflammatory cell infil tration,and rarely mesangial proliferation and matrix deposition.Sirius red staining displayed a significant increase in collagen fibers in alias of glomemli,tubulointerstitium and vessels.Concomitant administration of losartan reversed all of above parameters(P<0.05).The upregulated expression of TGF-β1 proteins was significantly suppressed by losartan treatment(P<0.05).Conclusions These findings suggest that alcoholic nephropathy is characterized by the tubular granular degeneration,vacuolation,swelling,and tubulointemtitial inflammato-ry cell infiltration,and this is associated with upregulation of TGF-β1.Losartan treatment offers protection effect by downregulating TGF-β1 expression.
9.Tumor necrosis factor-α and cerebral ischemia-reperfusion injury
International Journal of Cerebrovascular Diseases 2009;17(1):60-62
As an important inflammatory cytokine, tumor necrosis factor-α (TNT-α) plays an important role in the process of cerebral ischemia-reperfusion. The discussion of the dynamic changes, the mechanism of neurotoxicity and antagonizing the therapeutic effect of TNF-α in the process of cerebral ischemia-reperfusion injury will provide theoretical basis for the treatment of cerebrovascular diseases.
10.Study on the correlation between hs-CRP and coronary heart disease as well as acute myocardial infarction
International Journal of Laboratory Medicine 2009;30(1):36-38
Objective To explore the relationship between high-sensitivity C-reactive protein (hs-CRP) and the occurrence of certain diseases such as coronary heart disease (CHD) and acute myocardial infarction (AMI).Methods Sixty-one CHD patients, 45 AMI patients (patients group, excluding high hs-CRP level diseases caused by other etiological factors) and 35 healthy controls (control group) were enrolled in the study. The serum level of hs-CRP and myocardial zymogram was measured in the Hitachi 7060 automatic analyzer by latex-enhance immunoturbidimetry for all subjects, and cTnI of AMI group was detected with immunofluorescence method at the same time. The difference of hs-CRP level was compared and analyzed between control group and patients group; control group before and after treatment. Moreover, the relationship between hs-CRP and myocardial zymogram as well as cTnI was analyzed.Results The level of hs-CRP was significantly higher in patients group than that in control group (P<0.01). There was statistical difference of hs-CRP level before and after treatment in control group (P<0.01). hs-CRP was positively correlative with myocardial zymogram and cTnI.Conclusion The serum level of hs-CRP is significantly elevated in CHD and AMI patients, indicating the measurement of hs-CRP contributes to auxiliary diagnosis, therapeutic effect observation, and prognosis evaluation.