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国家自然科学基金(30873245)

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相关作者:童光东唐海鸿魏春山王宏艳邢宇锋更多>>
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Efficacy of Early Treatment on 52 Patients with Preneoplastic Hepatitis B Virus-Associated Hepatocellular Carcinoma by Compound Phyllanthus Urinaria L.被引量:10
2014年
Objective:To observe the change in the number of antibodies of preneoplastic hepatocellular carcinoma(HCC) using early treatment by Compound Phyllanthus Urinaria L.(CPUL) on patients with preneoplastic hepatitis B virus(HBV)-associated HCC.Methods:A total of 102 cirrhosis patients with regenerative or dysplastic nodules whose sera were tested positive for at least one of these six proteins(five up-regulated genes URG4,URG7,URG11,URG12 and URG19,and one down-regulated gene DRG2) were assigned randomly to two groups using continual random codes by SPSS software.Fifty-two patients were in the treatment group and 50 patients were in the control group.CPUL was used in the treatment group for 3 years,while the control group did not receive any treatment.The changes in HBV-DNA level,number of antibodies,and hepatocarcinogenesis occurred were observed.Patients who did not develop HCC were followed up for another 2 years.Results:HBV-DNA levels decreased >2log in 22.2%(10/45) of patients in the treatment group in contrast to only 5.0%(2/40) of patients in the control group(P=0.0228).The number of antibodies that were tested positive in the treatment group(1.08± 1.01)was significantly lower compared with the control group(2.11 ±1.12) after 24 months of drug treatment(P<0.01).Both the positive rates of anti-URG11(33/52) and anti-URG19(31/52) were over 60%at baseline in the two groups,and were decreased to 48.1%(25/52) and 46.2%(24/52) respectively at 36 months of drug treatment,while the rates increased to 68.0%(34/50) and 66.0%(33/50) respectively(P=0.0417,P=0.0436) in the control group.The positive rate of anti-DRG2 was increased to 55.8%(29/52) at 36 months of drug treatment,while in the control group was decreased to 36.0%(18/50,P=0.0452).Among the 102 patients who developed HCC,2 were in the treatment group and 9 were in the control group,meaning that a significant difference between the two groups(P=0.0212).In11 patients who developed HCC,anti-URG11 and anti-URG19 were always positive,while anti-DRG2 was negative.Pat
童光东张希周大桥魏春山贺劲松肖春玲刘心亮郑颖俊陈思暖唐海鸿
叶下珠水提物对裸鼠人肝癌移植瘤HBx和VEGFR3表达的影响被引量:6
2014年
目的探讨乙型肝炎病毒x基因(hepatitis B virux x gene,HBx)和血管内皮生长因子受体3(vascular endothelial growth factor receptor 3,VEGFR3)基因与乙型肝炎相关肝癌的相关性,以及叶下株水提物(aqueous extract of phyllanthus urinaria L,AEP)对HBx和VEGFR3蛋白表达的干预作用。方法将60只Balb/c-nu裸鼠随机分为10组。分别复制转染HBx、氯霉素乙酞转移酶(chloramphenicol acetyltransferase,CAT)和VEGFR3基因的HepG2肝癌细胞的裸鼠皮下移植瘤模型,用AEP进行干预,以生理盐水、环磷酰胺(cyclophosphamide,CTX)作为对照,共治疗6周。观察模型复制后不同时间各组裸鼠的移植瘤生长状况,采用酶联免疫吸附试验检测各组裸鼠血清甲胎蛋白(alpha fetal protein,AFP)水平,采用Western blot方法检测移植瘤组织中HBx和VEGFR3蛋白表达水平。结果肝癌移植瘤模型复制成功。各组裸鼠体质量均随着时间显著增长。实验结束时,接种HepG2-HBx细胞的各组中,AEP处理组肿瘤质量显著低于CTX处理组(P<0.05),其AFP水平显著高于NS处理组(P<0.05),其移植瘤组织中HBx表达水平显著低于NS组(P<0.05)。接种相同肝癌细胞的各组中,AEP处理组VEGFR3表达水平最低,但与CTX组VEGFR3表达水平比较,差异无统计学意义(P>0.05);AEP组和CTX组VEGFR3表达水平显著低于NS组(P<0.05)。对于相同的处理因素,接种HepG-HBx细胞和HepG-CAT细胞的裸鼠移植瘤组织中VEGFR3表达水平均显著低于接种HepG-VEGFR3细胞的裸鼠(P<0.01)。结论 AEP通过直接抑制HBx蛋白和VEGFR3蛋白表达,及通过抑制HBx蛋白表达而间接抑制VEGFR3蛋白表达,达到对肝癌移植瘤生长的抑制作用。
魏春山唐海鸿王宏艳邢宇锋童光东周大桥
关键词:叶下珠乙型肝炎病毒X基因血管内皮生长因子受体3肝癌PHYLLANTHUS
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