1.The Effect of the Simvastatin Administration on the Expression of Connective Tissue Growth Factor in Fibrotic Lungs of Rats
Yanhua FENG ; Li XIAO ; Hongguang WAN ; Yan DU ; Ying HE
Journal of China Medical University 2010;(9):719-723
Objective To explore the effect of the simvastatin administration on the expression of connective tissue growth factor (CTGF) in fihrotic lungs of rats. Methods The cats were treated with single intratracheal instillation of bleomycin (BLM) or instillation of the same volume of normal saline (NS) as a control. The administration of simvastatin(20 mg/kg)began once a day immediately or 7 days later after intratracheal BLM instillation respectively with the same volume of NS was given as a vehicle control. The rats were killed on day 7,14 and 28 respectively. Pathological alteration of lung tissue was observed hy HE staining and Masson staining. Hydroxyproline(HYP)content in lung tissue was used to determine the severity of pulmonary fibrosis. The expression of CTGF in lung tissue was exanfined by immunohistochem- istry staining and photodeusitometry. Results Histopathological changes of pulmonary fibrosis emerged gradually after the instillation of BLM. The expression level of CTGF was increased in lungs of rats after intratracheal instillation of BLM, compared with the control. The administration of simvastatin immediately or 7 days after intratracheal instillation of BLM, attenuated the histopathological changes of bleomycin- induced puhnonary fibrosis and prevented the increased expression of CTGF in lung tissue on day 28. Conclusion The adntinistration of simvastatin, immediately or 7 days after intratracheal BLM instillation, prevented the up-regulation of CTGF in fibrotic lungs of rats, which ntight be one of the mechanisms of the anti-fihrosis of simvastatin in lungs.
2.Effect of thrombopoietin on platelet activation in vitro
Xin DU ; Mingchun WANG ; Ming LI ; Junmei WAN
Chinese Journal of Pathophysiology 1989;0(05):-
AIM:To study the effects of thrombopoietin (TPO) and other hematopoietic cytokines on platelet activation. METHODS: Using fluorescent-labeled monoclonal antibodies and flow cytometry.RESULTS: The per- centage range of platelets activated by 120 ng/mL TPO was 8. 89% -39. 92%,mean value was 17.43%; However, there were no effects of TPO 40 ng/mL and GM - CSF 100 ng/mL and IL- 3 100 ng/mL on platelet activation. CONCLUSION: Higher concentration of TPO directly stimulated platelet activation.
3.Comparative Analysis of Attitudes Toward the Global Minimum Essential Requirements in Medical Education Between Chinese Doctors and Graduates
Jinliang HU ; Jiang DU ; Xiaolan ZHANG ; Xuehong WAN ; Xiaosong LI
Chinese Journal of Medical Education Research 2002;0(01):-
Objectives:To learn about the attitudes toward the "Global Minimum Essential Requirements(GMER) in medical education" between Chinese doctors and graduates from the same medical university and to offer reference for spreading GMER in China.Methods: To investigate the subbjects using a questionnaire describing the related abilities of GMER.Description,rank test,multivariate analysis of variance and factor analysis are applied in data analysis.Results: In general,there are different attitudes toward GMER between doctors and graduates.13 of 23 items have statistical significance in scores between groups.The proportion of person considering every item as important or very important among doctors is higher than that among graduates.There is statistical significance between groups on the transformed score in 7 domains of GMER.The domain of topmost score is "clinical skills",and of the lowermost one is "community health & health system".Conclusions: Doctors and graduates both accept GMER.They both pay attention to occupational skills,but ignore the public health.Doctors think much of basic knowledge,while graduates are short of the cognition on "Information Management".
4.Effect of the matrix metalloproteinases-2, matrix metalloproteinases-9 and tissue inhibitor metalloproteinases-3 in the rats with cerebral infraction caused by injection of auto blood thrombus
Lin WAN ; Li-Feng DU ; Shi-Yuan SUN ;
Chinese Journal of Emergency Medicine 2006;0(06):-
Objective To investigate the effect of the cerebral infarction in rats and the role of matrix metalloproteinases-2 (MMP-2), matrix metalloproteinases-9 (MMP-9), and tissue inhibitor of metalloproteinases-3 (TIMP-3) in the pathogenesis. Method Sixty-six rats were randomly divided into 3 groups: blank group (n= 6), control group (n=30), model group (n=30). The rat model was established by carotid injection of auto blood thrombus, the control group was given the operation without injection. Each group was subdivided into 24 hours, 48 hours, 3 days, 5 days, 7 days after operative intervention. At serial intervals, the animals in each group were sacrificed and brain tissue samples were collected to determine MMP-2, MMP-9, TIMP-3 expression by immunohistoehemistry. The changes of behaviors were observed and the histopathological changes were investigated by hematoxylin and eosin stain. Results The experimental group had more obvious behavior change than other groups. Hematoxylin and eosin stain showed significant histopathological changes; MMP-2, MMP-9 and TIMP-3 expression was up-regulated in comparison with other groups (P
5.Effect of sulodexide combined with dipyridamole on postoperative period of internal arteriovenous fistulae in patients with chronic renal failure complicating diabetes
Nan OUYANG ; Ziming WAN ; Zhengrong LI ; Xiaogang DU
Chongqing Medicine 2014;(15):1863-1865
Objective To observe the effect of sulodexide combined with dipyridamole on postoperative period of internal arterio‐venous fistula in the patients with chronic renal failure complicating diabetes .Methods 72 cases of chronic renal failure complica‐ting diabetes were randomly divided into two groups :sulodexide combined with dipyridamole group(group A) and dipyridamole group (group B) .Platelet ,fibrinogen(FIB) ,prothrombin time ,activated partial thromboplastin time ,triglyceride ,total cholesterol and hemortheological indexes were tested at different time points .The internal fistula patency ,blood flow volume after internal fis‐tula maturation and time of initial internal fistula use after internal arteriovenous fistula operationwere observed .‐Results (1)The patency rate of internal arteriovenous fistula in the group A was higher than that in the group B .(2) Compared with the group B , FIB and low‐shear rate of whole blood viscosity in the group A were decreased .(3)The time of internal fistula maturation in the group A was shortened ,but the blood flow volume had no significant difference between the two groups .Conclusion Sulodexide combined with dipyridamole is safe and effective for preventing the thrombogenesis after internal arteriovenous fistula operation ,its effect is superior to single dipyridamole .
6.An analysis of surveillance data of iodine deficiency disorders in Jiangxi Province in 2011
Zhihong LI ; Jun SHANGGUAN ; Jianping WAN ; Haiqing QIU ; Du CHEN
Chinese Journal of Endemiology 2014;33(3):304-306
Objective To analyze the monitoring data of iodine deficiency disorders in Jiangxi Province and to provide a basis for adjusting iodized salt concentration.Methods Thirty primary schools were selected in 30 counties and 40 pupils' goiters were examined with B ultrasound in every school.At the same time,salt iodine level was tested at their home.Twelve pupils urinary iodine in selected schools,15 pregnant urinary samples,15 lactating women urinary samples in 3 towns around the schools and water samples in the counties with the schools were collected.Results The goiter rate of children aged 8 to 10 was 1.25% (15/1 200); the median salt iodine was 30.80 mg/kg and the consumption rate of qualified iodized salt was 96.92% ; the median urinary iodine level of children,pregnant and lactating women was 308.73,206.95 and 206.75 μg/L,respectively.The proportion of urinary iodine level of children above 300 μg/L was 52.25%(186/356),while the proportion of urinary iodine level of pregnant women below 150 μg/L was 34.81%(157/451).The water iodine median was 4.62 μg/L and the per capita daily salt intake was 13.20 g in Jiangxi Province.Conclusions The status of iodine deficiency in Jiangxi has been significantly improved.According to the monitoring results,it's necessary to adjust salt iodization standards appropriately.
7.Pathogens causing healthcare-associated urinary tract infection in intensive care unit patients
Denghui LU ; Xia WAN ; Chan LI ; Julan XUE ; Yongquan DU
Chinese Journal of Infection Control 2015;(1):63-64,72
Objective To understand healthcare-associated urinary tract infection (HA-UTI)and pathogens causing HA-UTI in intensive care unit (ICU)patients,so as to provide scientific basis for the prevention and control of HA-UTI. Methods Targeted surveillance data about HA-UTI in 32 hospitals in 2013 were analyzed.Results A total of 23 680 ICU patients were monitored,157 cases of HA-UTI occurred,HA-UTI rate was 0.66%;the usage rate of urinary tract cathe-ter was 80.83%,catheter-associated UTI was 1.25‰.A total of 162 pathogenic strains were detected,the percentage of fungi,gram-negative bacteria,and gram-positive bacteria was 40.74% (n=66);31.48 % (n=51),and 27.78% (n=45)respectively.Conclusion The main pathogens causing HAI-URI are fungi,comprehensive intervention measures should be taken to control HA-UTI in ICU patients.
9.Clinical study of azo steen,montelukast sodium combined with levocetirizine in treatment of chronic urticaria
Lihong LIN ; Hui WAN ; Shaobo LI ; Juan DU
Chinese Journal of Biochemical Pharmaceutics 2014;(3):149-150,153
Objective To explore the clinical efficacy and value of azo steen,montelukast sodium combined with levocetirizine in the treatment of chronic urticaria. Methods 150 cases with chronic urticaria admitted in department of dermatology of Hubei Zhongshan Hospital were divided into A,B and C group,each group had 50 cases. Patients in group A were received montelukast sodium and levocetirizine treatment,which in group B were received montelukast sodium and azo steen treatment,group C were received above three kinds of drug treatment. Total effective rate,adverse reaction and safety in three groups were observed and compared. Results Total effective rate of group C was significantly higher than A and B group(P<0.05), and the safety of group C were better than A and B group(P<0.05 ),too. The occurrence of adverse reaction in group C was significantly less than that in group A and B (P <0.05 ).Conclusion Azo steen,montelukast sodium combined with levocetirizine has good efficacy in treatment of chronic urticaria. It can relieve itching wheals and other symptoms in a short time,with less adverse reaction.
10.Effect of nerve functional reconstruction on urinary incontinence caused by stroke
Xiaoning LI ; Dong WEI ; Li LI ; Qi WAN ; Yingran TIAN ; Yan SHI ; Junli DU ; Jing CHEN
Chinese Journal of Rehabilitation Theory and Practice 2005;11(11):906-907
ObjectiveTo investigate the effect of nerve functional reconstruction on urinary incontinence caused by stroke.MethodsMyoelectricity of pelvic muscles was captured and measured by electrode in vagina or anus.According to the type of urinary incontinence,suitable exercise model and corresponding exercise graph were designed,based on the theory of muscle construction and relaxation.23 patients were involved and the therapies last for 4 weeks.Myoelectricity and the degree of urinary incontinence of before and after the treatment.ResultsThe frequency of patients' urinary incontinence and urinations was reduced and the myodynamia of pelvic muscles improved.ConclusionNerve functional reconstruction is helpful in improving the patients' urination function and their life qualities.