1.Investigation on Clinical Curative Effect of Yunnan Dengzhanhua Injection(Herba Erigerontis) for Cerebral Thrombosis and Its Toxicity and Side-effect on 345 Cases
Chinese Traditional Patent Medicine 1992;0(07):-
345 cases of cerebral thrombosis were treated by Yunnan Dengzhanhua Injection. 50 others,as a control group, were treated by Dansheng Injection. As a result,of Yunnan Dengzhanhua group, 98 cases were significantly effective, 199 cases were effective, 48 cases were uneffective, and both effective rate and total effective rate were 86%. Of Dansheng Injection group, the relative data were 9,16,15,28.4% and 50%,respectively. The difference between the results of two groups is very significant. (P
2.Molecular epidemiology of TEM and SHV extended-spectrum ?-lactamases in Klebsiella pneumoniae and Escherichia coli clinical isolates from Chengdu,China
Xuan CHEN ; Xinjian FAN ; Xiaoju L
Chinese Journal of Infectious Diseases 2000;0(02):-
Objective To investigate TEM and SHV ESBLs in Klebsiella pneumoniae and Escherichia coli clinical isolates from West China Hospital of Sichuan University and detect resistance of ESBLs-producing isolates. Methods The TEM and SHV ESBLs-encoding gene was amplified by PCR and was sequenced. And the MIC of eight antibiotics against the ESBLs-producing strains were detected by agar dilution. Results All strains were resistant to cefotaxime; eleven strains were resistant to aztreonam; two were resistant to ceftizidime; eleven, five and three were resistant to ciprofloxacin, amikacin and cefoxidine respectively; All strains were susceptible to imipenem. Ten strains of twelve ESBLs-producing strains carried bla SHV-2, two carried bla TEM-19. Conclusions ESBLs producers were mainly resistant to cefotaxime and aztreonam and most of them were multi-drug resistance; Cefotaxime resistance is partially due to production of SHV-2 and TEM-19 in this study.
3.Experimental study of posterior vitreous detachment with plasmin in human eyes
Xuan SHI ; Xiaoxin LI ; Jingyu FAN ;
Chinese Journal of Ocular Fundus Diseases 1996;0(01):-
Objective To investigate the dosage, efficacy and safety of intravitreal injection of plasmin in producing posterior vitreous detachment (PVD), and the possible role of plasmin in degrading adhesion glycoproteins of inner limiting membrane (ILM). Methods Twenty eyes of young human cadavers within 24 hours after death were divided into 4 groups that received 0 1 ml balanced salt solution (group 1) as control, 1 (group 2), 2 (group 3), or 3 (group 4) U of human plasmin. Optical and transmission electron microcopies were performed to examine the ultrastructure of the vitreoretinal interface. Electron immunocytochemical techniques were carried out on ILM to estimate the content of fibronectin (FN) and laminin (LN). Flow cytometry was used for cell viability analysis of variance (ANOVA) and Tukey test was employed for statistical analysis. Results Microscopy demonstrated that plasmin especially in group 4 cleaved the attachment of the vitreous collagen fibrils to the ILM with no evident damage to the inner retina. The content of LN, FN in ILM decreased with injection of plasmin (group 3 and 4 had statistical significance from control group for FN, P
5.Phytohaemagglutinin stimulates the proliferation of peripheral blood mononuclear cells and expression of secretory cytokines
Ding WANG ; Bing SONG ; Xuan ZHONG ; Xiaofang SUN ; Yong FAN
Chinese Journal of Tissue Engineering Research 2014;(23):3707-3714
BACKGROUND:Phytohemagglutinin (PHA) can stimulate the peripheral blood mononuclear cells (PBMCs) into cellcycle, and cause their immune activation, which is a common immune proliferation model. However, the role of non-PBMC ingredient of peripheral blood is unclear, as wel as the expression of endothelial cells related cytokines. OBJECTIVE:To study the effect of whole blood culture and PBMCs alone culture with PHA on the PBMC proliferation and apoptosis, expression of inflammatory cytokine and endothelial cellsecreted cytokine markers. METHODS:Morphological changes of PBMCs separated from normal karyotype human peripheral blood individual y cultured with or without PHA were observed. The PBMCs were col ected by whole blood culture or PBMC separated culture. mRNA was extracted for the fluorescence quantitative RT-PCR, which was applied to detect the cellproliferation, apoptosis, and expression of inflammatory cytokine and endothelial cellsecreted cytokines. The statistic analysis was used for the significance explication. RESULTS AND CONCLUSION:PBMCs alone cultured ere different from those undergoing whole blood culture. The PHA could up-regulate the gene expression of Ki67, proliferating cellnuclear antigen, Caspase 3, interferon-γ, tumor necrosis factor-βand interleukin-6, but down-regulate Protein C. This indicted that PHA could promote the proliferation and apoptosis of PBMCs and up-regulate the expression of inflammatory cytokines, but down-regulate the expression of endothelial cells secreted coagulation cytokines.
6.Preoperative colonic stenting versus emergency surgery for acute left-sided malignant colonic obstruction: a meta-analysis
Xuan HUANG ; Bin Lü ; Yihong FAN ; Lina MENG
Chinese Journal of Digestive Endoscopy 2012;29(2):88-93
Objective To evaluate the efficacy and safety of preoperative colonic stenting versus emergency surgery for acute left-sided malignant colonic obstruction based on literature. Methods The randomized clinical trials (RCT) on the subject were retrieved from PubMed,OVID,EMBASE,Cochrane library,CNKI,Wanfang data and VIP Chinese Scientific and Technologic Periodical Database.Statistical heterogeneity between trials was evaluated by Revman 5.0 and was considered to exist when P < 0.1.Heterogeneity of the included articles was tested,which was used to select proper effect model.Publication bias was investigated through visual inspection of funnel plots.Results Five RCT including 283 cases were analyzed,in which 145 patients received preoperative colonic stenting and 138 received emergency surgery.Compared with those of emergency surgery groups,the total OR of permanent stoma,one-stage operation,and infection of preoperative colonic stenting group were 0.28 (95% CI:0.12 - 0.62,P =0.002),2.13 (95 % CI:1.28 - 3.55,P =0.004) and 0.25 (95% CI:0.08 - 0.80,P =0.02),respectively.There were no significant differences between 2 groups in anastomotic leakage,mortality,intra-abdominal infection,or overall morbidity.OR were 0.70 (95% CI:0.29 - 1.71,P =0.44),1.17 (95% CI:0.49 -2.79,P=0.72),0.27 (95%CI:0.03-2.65,P=0.26) and 0.32 (95%CI:0.07-1.42,P=0.13),respectively.Inspection of the funnel plots for all outcome measures did not reveal evidence of publication bias.Conclusion Preoperative colonic stenting significantly improves one-stage operation and decrease the rates of permanent stoma and wound infection.However,large-scale and high-quality RCTs are further needed.
7.Meta-analysis of itopride therapy in functional dyspepsia
Xuan HUANG ; Bin Lü ; Shuo ZHANG ; Yihong FAN ; Lina MENG
Chinese Journal of Digestion 2012;32(10):698-701
Objective To evaluate the efficacy and safety of itopride in the treatment of functional dyspepsia (FD) according to the data of published clinical studies.Methods The papers about randomized controlled trials (RCT) of itopride in treatment of FD were searched from Cochrane library,EMBASE,PubMed,Elsevier,web of science (ISI),China national knonledge internet (CNKI),VIP Chinese Scientific and Technologic Periodical Database and Wanfang data,and the feature information in the studies were extracted.The relative risk (RR) value was used for count data and the weighted mean difference (WMD) was used for measurement data.The proper effect model was selected according to the results of heterogeneity test and the publication bias was investigated through visual inspection of funnel plots.Results A total of nine RCT met the inclusion standard.Of 2620 FD cases,1372 received itopride treatment and 1248 cases received placebo or other medicine as control treatment.The RR value of total effective rates,postprandial fullness and early satiety effective rates in itopride treated FD patients was 1.11 (95%CI:1.01,1.21; P=0.02),1.18 (95%CI:1.04,1.33; P=0.009),1.24 (95%CI:1.01,1.53; P=0.04),which showed the curative effects of itropride group were all better than those of control group.However there was no statistical significance in epigastric discomfort.The WMD of effective rates evaluated with the leeds dyspepsia questionnaire (LDQ) score was-1.38 (95%CI:-1.75,-1.01; P<0.01),which showed the curative effect of itropride group was better than that of control group.For safety,the adverse effects rates of itopride groups were similar with control groups.The funnel plots of each inspection index presented wide bottom,narrow up and symmetrical graphics,which indicated that there was no publication bias.Conclusion Itopride has better efficacy in general symptoms,postprandial fullness,early satiety and LDQ score in FD patients,and few effects are detected.
8.Expression of interleukin-17A in primary liver cancer and its clinical significance
Xuan ZHANG ; Xiang ZHENG ; Fan HE ; Zhishui CHEN
Chinese Journal of Hepatobiliary Surgery 2013;(2):143-146
Objective To study the expression of interleukin (IL-17A) in primary liver cancer (PHC) tissue and its clinical significance.Methods Reverse transcription polymerase chain reaction (RT-PCR) and immunohistochemistry was performed respectively to detect the expression of IL-17A mRNA and CD34 in tumor tissues from 37 patients with PHC.Murine H22 cells cultured in vitro were exposed to IL-17A at different dosages (0.1,0.5,1.0,5.0,10,50,100,500,1000 ng/ml) and the cell proliferation was assayed by MTT.IL-17A was administered to the mice transplanted with H22 cancer cells via caudal vein and the tumor volume was measured by vernier caliper.Immunohistochemistry was used to detect the CD31 expression in H22 cancer tissues.Results IL-17A mRNA was detected in 26 of the 37 samples of primary liver cancer.The microvessel densities in IL-17A-positive samples and IL-17A-negative samples were 66.6 ± 2.5 and 26.7--2.5,respectively.The difference between two groups was significant (P<0.01).The proliferation of H22 cells exposed to various dosages of IL-17A was not different (P>0.05).The volume of murine tumor tissue in animals treated with IL-17A was (843.6± 90.9) mm3 and in untreated animals was (198.7±24.4) mm3 (P<0.01).The microvessel density in treated group and control group was 71.9± 6.8 and 33.3 ± 2.9,respectively (P<0.01).Conclusions The expression of IL-17A could be detected in a considerable proportion of primary liver cancers and correlated with angiogenesis.Exogenous IL-17A could not accelerate H22 cell proliferation in vitro but in vivo probably via enhancing angiogenesis.
9.The Effect of Chinese Herbal Capsule on Experimental Genital Herpes
Ruiqiang FAN ; Xinsheng CHEN ; Guowei XUAN ; Hongyi LI ; Fenghao CHI
Chinese Journal of Dermatology 1994;0(05):-
Objective To study the mechanism of Chinese herbal capsule in the treatment of genital herpes.Methods Guinea pig model for genital herpes infection was established.HSV DNA from the cerebrum,spinal cord,cervical canal and vagina of guinea pigs was detected by fluorescent-quantitative PCR.Results The HSV DNA could be detected from all four kinds of tissues,with different copies of the virus in the different tissues,the highest in spinal cord,then in vagina,the least in cerebrum and cervical canal.There was statistical difference of HSV-DNA copies between herbal capsule group and control group(normal saline),whereas no statistical difference between herbal capsule group and aciclovir group.Conclusion The mechanism of the anti-virus herbal capsule in the treatment of experimental genital herpes might be related to blocking the latent infection and suppressing the replication of HSV.
10.The study of correlative factors to resistin and its regression equation in type 2 diabetes
Gang WANG ; Xuan GUO ; Guixiang FAN ; Linchuan WANG ; Yuzhen LUO
Journal of Pharmaceutical Analysis 2008;20(2):95-99,108
Objective To study the changes of resistin and the relationship between resistin and other indexes in patients with type 2 diabetes mellitus. Methods Seventy patients with type 2 diabetics were chosen and divided into three groups according to weight index and 15 healthy persons were chosen as controls. ELISA was adopted to determine resistin concentration. Oxydase method was adopted to measure blood sugar. Radio immunoassay was used to measure insulin level. Results Resistin concentration of patient groups r(23.06±9.34)μg/L ] was significantly higher than that of control group [( 9. 89±4. 47) μg/L, P<0. 01 ]. Resistin was positively related to body mass index (r = 0.4 467) and fat distribution (r= 0. 3 314, P<0.01). Resistin was also positively correlated to the area under the curve of sugar tolerance (r=0. 7 063, P<0. 01), negatively related to the insulin resistance index (r=-0. 4 154, P<0.01), but not related to area under the curve of synchronous insulin release (P>0. 05). And a formula was obtainted : Resistin=- 15. 869 + 0. 339×GAUC+0.790×BMI. Conclusion The level of reslstin in type 2 diabetics is higher. And reslstin is related to other factors. This formula is of great significance for clinical study of diabetic's disor- ders.