AIM:To investigate the significance of the surgical approaches in the prognosis of hepatocellular carcinoma(HCC) located in the caudate lobe with a multivariate regression analysis using a Cox proportional hazard mode...AIM:To investigate the significance of the surgical approaches in the prognosis of hepatocellular carcinoma(HCC) located in the caudate lobe with a multivariate regression analysis using a Cox proportional hazard model.METHODS:Thirty-six patients with HCC underwent caudate lobectomy at a single tertiary referral center between January 1995 and June 2010.In this series,left-sided,right-sided and bilateral approaches were used.The outcomes of patients who underwent isolated caudate lobectomy or caudate lobectomy combined with an additional partial hepatectomy were compared.The survival curves of the isolated and combined resection groups were generated by the Kaplan-Meier method and compared by a log-rank test.RESULTS:Sixteen(44.4%) of 36 patients underwent isolated total or partial caudate lobectomy whereas 20(55.6%) received a total or partial caudate lobectomy combined with an additional partial hepatectomy.The median diameter of the tumor was 6.7 cm(range,2.1-15.8 cm).Patients who underwent an isolated caudate lobectomy had significantly longer operative time(240 min vs 170 min),longer length of hospital stay(18 d vs 13 d) and more blood loss(780 mL vs 270 mL) than patients who underwent a combined caudate lobectomy(P < 0.05).There were no perioperative deaths in both groups of patients.The complication rate was higher in the patients who underwent an isolated caudate lobectomy than in those who underwent combined caudate lobectomy(31.3% vs 10.0%,P < 0.05).The 1-,3-and 5-year disease-free survival rates for the isolated caudate lobectomy and the combined caudate lobectomy groups were 54.5%,6.5% and 0% and 85.8%,37.6% and 0%,respectively(P < 0.05).The corresponding overall survival rates were 73.8%,18.5% and 0% and 93.1%,43.6% and 6.7%(P < 0.05).CONCLUSION:The caudate lobectomy combined with an additional partial hepatectomy is preferred because this approach is technically less demanding and offers an adequate surgical margin.展开更多
Objective:We investigated the potential association between vascular endothelial growth factor(VEGF) polymorphisms and the risk of lung cancer.Methods:In the case-control study, we used PCR-RFLP technique to determine...Objective:We investigated the potential association between vascular endothelial growth factor(VEGF) polymorphisms and the risk of lung cancer.Methods:In the case-control study, we used PCR-RFLP technique to determine two VEGF genotypes-2578C/A and 936C/T in 171 lung cancer patients and 172 healthy controls for conformation, and constructed haplotypes of the two gene sites by PHASE1.0 software.Unconditional logistic regression model was used to analyze the statistical association of genontypes or haplotypes in the two groups adjusted by gender and age.Results:Compared with at least one-2578A allele, individuals with-2578CC genotype found associated with a significantly decreased risk of lung cancer P=0.001;adjusted odds ratio(OR), 0.391;95% confidence interval(95% CI), 0.226-0.686.Analyses stratified by gender showed that the combined-2578 CA and AA genotype were also associated with a significantly decreased risk of lung cancer.(P = 0.016;OR = 0.303;95% CI = 0.153-0.601 and P = 0.018;OR = 0.547;95% CI = 0.331-0.903, respectively).The distribution of the two haplotypes(936C/-2578C and 936C/-2578A) were significantly different between case-and-control groups(P = 0.016, OR = 0.317, 95% CI = 0.124-0.809 and P = 0.018, OR = 0.547, 95% CI = 0.331-0.903).Analyses categorized by tumor histology showed that Haplotype C-C was associated with a significantly decreased risk of adenocarcinoma compared with the reference haplotypes.(P = 0.004;OR = 0.237;95% CI = 0.090-0.627).Conclusion:These results suggest that the VEGF polymorphisms may be a critical factor for the risk of lung cancer.展开更多
OBjECTIVE:To observe the relationship between reduced pulmonary function and regulatory T cells(Tregs)and helper T cells(Th)1/Th2 drift in a rat model of adjuvant arthritis(AA),and to study the impact of Xinfeng capsu...OBjECTIVE:To observe the relationship between reduced pulmonary function and regulatory T cells(Tregs)and helper T cells(Th)1/Th2 drift in a rat model of adjuvant arthritis(AA),and to study the impact of Xinfeng capsule(XFC)on pulmonary function and investigate the mechanism of action.METHODS:Forty rats were randomly divided into normal control group(NC),model control group(MC),Tripterygium glycosides tablet group(TPT),and XFC group,with 10 in each.Except for the NCgroup,AA was induced in all rats by intracutaneous injection of 0.1 mL Freund's complete adjuvant in the right paw.On the 19th day after modeling,the NC and MC groups were given physiological saline(0.9%),while the TPT and XFC groups were given TPT(10 mg/kg)and XFC(2.4 g/kg),once daily,respectively.Thirty days after administration,changes in paw swelling,arthritis index(AI),pulmonary function,levels of serumγ-interferon(IFN-γ)and interleukin(IL)-4,Tregs in peripheral blood,and IFN-γ,IL-4,Forkhead box transcription factor 3(FoxP3)in lung tissue were observed by enzyme-linked immunosorbent assay,flow cytometry,polymerase chain reaction,and western blot.RESULTS:Compared with the NC group,paw swelling,AI,IFN-γ,and Th1/Th2 were increased,and pulmonary function parameters,IL-4,FoxP3 were decreased significantly in the MC group(P<0.05 or P<0.01).Pulmonary function parameters,Treg,IL-4,FoxP3(and mRNA)were higher,and paw swelling,AI,and IFN-γ(and mRNA)were lower in the XFC group than those in the MC group.The XFC group was also much better than theTPT group in improving pulmonary function,FoxP3 mRNA,IFN-γ,IL-4,Th1/Th2,and IL-10(P<0.05 or P<0.01).CONCLUSION:Xinfeng capsule can improve pulmonary function by regulating the levels of Tregs,inhibiting the activation of Th1 to Th2 cells,inducing drift,maintaining cell immune suppression,correcting the imbalance of Th1/Th2,and reducing inflammatory mediators.展开更多
文摘AIM:To investigate the significance of the surgical approaches in the prognosis of hepatocellular carcinoma(HCC) located in the caudate lobe with a multivariate regression analysis using a Cox proportional hazard model.METHODS:Thirty-six patients with HCC underwent caudate lobectomy at a single tertiary referral center between January 1995 and June 2010.In this series,left-sided,right-sided and bilateral approaches were used.The outcomes of patients who underwent isolated caudate lobectomy or caudate lobectomy combined with an additional partial hepatectomy were compared.The survival curves of the isolated and combined resection groups were generated by the Kaplan-Meier method and compared by a log-rank test.RESULTS:Sixteen(44.4%) of 36 patients underwent isolated total or partial caudate lobectomy whereas 20(55.6%) received a total or partial caudate lobectomy combined with an additional partial hepatectomy.The median diameter of the tumor was 6.7 cm(range,2.1-15.8 cm).Patients who underwent an isolated caudate lobectomy had significantly longer operative time(240 min vs 170 min),longer length of hospital stay(18 d vs 13 d) and more blood loss(780 mL vs 270 mL) than patients who underwent a combined caudate lobectomy(P < 0.05).There were no perioperative deaths in both groups of patients.The complication rate was higher in the patients who underwent an isolated caudate lobectomy than in those who underwent combined caudate lobectomy(31.3% vs 10.0%,P < 0.05).The 1-,3-and 5-year disease-free survival rates for the isolated caudate lobectomy and the combined caudate lobectomy groups were 54.5%,6.5% and 0% and 85.8%,37.6% and 0%,respectively(P < 0.05).The corresponding overall survival rates were 73.8%,18.5% and 0% and 93.1%,43.6% and 6.7%(P < 0.05).CONCLUSION:The caudate lobectomy combined with an additional partial hepatectomy is preferred because this approach is technically less demanding and offers an adequate surgical margin.
基金Supported by a grant from the Shandong Provincal Natural SciencesFoundation (No. 2005ZX04).
文摘Objective:We investigated the potential association between vascular endothelial growth factor(VEGF) polymorphisms and the risk of lung cancer.Methods:In the case-control study, we used PCR-RFLP technique to determine two VEGF genotypes-2578C/A and 936C/T in 171 lung cancer patients and 172 healthy controls for conformation, and constructed haplotypes of the two gene sites by PHASE1.0 software.Unconditional logistic regression model was used to analyze the statistical association of genontypes or haplotypes in the two groups adjusted by gender and age.Results:Compared with at least one-2578A allele, individuals with-2578CC genotype found associated with a significantly decreased risk of lung cancer P=0.001;adjusted odds ratio(OR), 0.391;95% confidence interval(95% CI), 0.226-0.686.Analyses stratified by gender showed that the combined-2578 CA and AA genotype were also associated with a significantly decreased risk of lung cancer.(P = 0.016;OR = 0.303;95% CI = 0.153-0.601 and P = 0.018;OR = 0.547;95% CI = 0.331-0.903, respectively).The distribution of the two haplotypes(936C/-2578C and 936C/-2578A) were significantly different between case-and-control groups(P = 0.016, OR = 0.317, 95% CI = 0.124-0.809 and P = 0.018, OR = 0.547, 95% CI = 0.331-0.903).Analyses categorized by tumor histology showed that Haplotype C-C was associated with a significantly decreased risk of adenocarcinoma compared with the reference haplotypes.(P = 0.004;OR = 0.237;95% CI = 0.090-0.627).Conclusion:These results suggest that the VEGF polymorphisms may be a critical factor for the risk of lung cancer.
基金Supported by the National Natural Science Foundation Project(No.81173211)Medical Key Subjects Chinese Paraly-sis Disease in the National School Construction Projects[Tra-ditional Chinese Medicine(2009)No.30]+3 种基金Anhui Science and Technology Office of Scientific Research Program(09020304046)Anhui Provincial Health Department of Tra-ditional Chinese Medicine Research Projects(No.2009-ZY05)Anhui Modern Chinese Medicine Basic and Applied Research and Development Projects Provincial Laboratory(2008 No.150)Anhui Medical and Technological Innovation Team project(No.2010TD005)
文摘OBjECTIVE:To observe the relationship between reduced pulmonary function and regulatory T cells(Tregs)and helper T cells(Th)1/Th2 drift in a rat model of adjuvant arthritis(AA),and to study the impact of Xinfeng capsule(XFC)on pulmonary function and investigate the mechanism of action.METHODS:Forty rats were randomly divided into normal control group(NC),model control group(MC),Tripterygium glycosides tablet group(TPT),and XFC group,with 10 in each.Except for the NCgroup,AA was induced in all rats by intracutaneous injection of 0.1 mL Freund's complete adjuvant in the right paw.On the 19th day after modeling,the NC and MC groups were given physiological saline(0.9%),while the TPT and XFC groups were given TPT(10 mg/kg)and XFC(2.4 g/kg),once daily,respectively.Thirty days after administration,changes in paw swelling,arthritis index(AI),pulmonary function,levels of serumγ-interferon(IFN-γ)and interleukin(IL)-4,Tregs in peripheral blood,and IFN-γ,IL-4,Forkhead box transcription factor 3(FoxP3)in lung tissue were observed by enzyme-linked immunosorbent assay,flow cytometry,polymerase chain reaction,and western blot.RESULTS:Compared with the NC group,paw swelling,AI,IFN-γ,and Th1/Th2 were increased,and pulmonary function parameters,IL-4,FoxP3 were decreased significantly in the MC group(P<0.05 or P<0.01).Pulmonary function parameters,Treg,IL-4,FoxP3(and mRNA)were higher,and paw swelling,AI,and IFN-γ(and mRNA)were lower in the XFC group than those in the MC group.The XFC group was also much better than theTPT group in improving pulmonary function,FoxP3 mRNA,IFN-γ,IL-4,Th1/Th2,and IL-10(P<0.05 or P<0.01).CONCLUSION:Xinfeng capsule can improve pulmonary function by regulating the levels of Tregs,inhibiting the activation of Th1 to Th2 cells,inducing drift,maintaining cell immune suppression,correcting the imbalance of Th1/Th2,and reducing inflammatory mediators.