简介：胃扭转自1866年Betti在尸检中发现以来，虽属少见病，但仍可占消化道疾病的0．4％。因其易于误/漏诊，因此提高对本病的X线诊断水平有十分重要的意义。为此，我们收集了1995-01／2005-04我院诊断的胃扭转病人50例，现结合有关资料，总结报告如下。

简介：AIM:ToinvestigatetheeffectofhepatitisBvirus(HBV)XgeneonapoptosisandexpressionsofapoptosisfactorsinXgene-transfectedHepG2cells.METHODS:TheHBVXgeneeukaryonexpressionvectorpcDNVA3-XwastransientlytransfectedintoHepG2cellsbylipid-mediatransfection.UntransfectedHepG2andHepG2transfectedwithpcDNA3wereusedascontrols.ExpressionofHBxinHepG2wasidentifiedbyPT-PCR.MTTandTUNELwereemployedtomeasureproliferationandapoptosisofcellsin.threegroups.Semi-quantifiedRT-PCRwasusedtoevaluatetheexpressionlevelsofFas/FasL,Bax/Bcl-xL,andc-mycineachgroup.RESULTS:HBVXgenewastransfectedintoHepG2cellssuccessfully.RT-PCRshowedthatHBxwasonlyexpressedinHepG2/pcDNA3-Xcells,butnotexpressedinHepG2andHepG2/pcDNA3cells.AnalyzedbyMTT,cellproliferationcapacitywasobviouslylowerinHepG2/pcDNA3-Xcells(0.08910±0.003164)thaninHepG2(0.14410±0.004927)andHepG2/pcDNA3cells(0.12150±0.007159)(P＜0.05andP＜0.01).AnalyzedbyTUNEL,cellapoptosiswasmuchmoreinHepG2/pcDNA3-Xcells(980/2000)thanHepG2(420/2000),HepG2/pcDNA3cells(520/2000)(P＜0.05andP＜0.01).Evaluatedbysemi-quantifiedRT-PCR,theexpressionlevelofFas/FasLwassignificantlyhigherinHepG2cellstransfectedwithHBxthaninHepG2andHepG2/pcDNA3cells(P＜0.05andP＜0.01).Bax/Bcl-xLexpressionlevelwasalsoelevatedinHepG2/pcDNA3-Xcells(P＜0.05andP＜0.01).Expressionofc-mycwasmarkedlyhigherinHepG2/pcDNA3-XcellsthaninHepG2andHepG2/pcDNA3cells(P＜0.05andP＜0.01).CONCLUSION:HBVXgenecanimpaircellproliferationcapacity,improvecellapoptosis,andupregulateexpressionofapoptosisfactors.TheinterventionofHBVXgeneontheexpressionofapoptosisfactorsmaybeapossiblemechanismresponsibleforthechangeincellapoptosisandproliferation.

简介：消化性溃疡病传统上一直认为仅发生于成人，儿童极为少见，但近年来有逐渐上升趋势。其症状多不典型，常易误诊或漏诊。为进一步提高对本病的认识，现将近年来我们所遇到的127例儿童十二指肠球部溃疡报告如下。

简介：我院放射科自使用数字化多功能X光机进行胃肠道检查以来，共检查1800例，现将初步体会总结报告如下。

简介：十二指肠胃返流病如果引起胃粘膜充血、水肿、糜烂等损害，称为胆汁返流性胃炎，是胃镜直视下常见的一种疾病，目前X线对该病报道甚少，现将我们在胃肠透视中发现有价值的X线征象，经与胃镜检查及胆汁酸浓度测定对照分析，制定的十二指肠胃返流病X线诊断与分型的经验介绍如下。

简介：AIM:RecombinedplasmidpETNF-P16wasconstructedtoinvestigateitsexpressionpropertiesinesophagealsquamouscarcinomacelllineEC9706inducedbyX-rayirradiationandthefeasibilityofgene-radiotherapyforesophagealcarcinoma.METHODS:RecombinedplasmidpETNF-P16wasconstructedandtransfectedintoEC9706cellswithlipofectamine.ELISA,Westernblot,andimmunocytochemistrywereperformedtodeterminetheexpressionpropertiesofpETNF-P16inEC9706aftertransfectioninducedbyX-rayirradiation.RESULTS:EukaryoticexpressionvectorpETNF-P16wassuccessfullyconstructedandtransfectedintoEC9706cells.TNFαexpressionsweresignificantlyincreasedinthetransfectedcellsafterdifferentdosesofX-rayirradiationthaninthoseafter0Gyirradiation(1192.330-2026.518pg/mL,P<0.05-0.01),andtheTNFαexpressionsandP16weresignificantlyhigher6-48hafter2GyX-rayirradiation(358.963-585.571pg/mL,P<0.05-0.001).NoP16expressionwasdetectedinnormalEC9706cells.However,therewasstrongexpressioninthetransfectedandirradiationgroups.CONCLUSION:X-rayirradiationinductioncouldsignificantlyenhanceTNFαandP16expressioninEC9706cellstransfectedwithpETNF-P16plasmid.Theseresultsmayprovideimportantexperimentaldataandtherapeuticpotentialforgene-radiotherapyofesophagealcarcinoma.

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简介：观察普通干扰素α-2b联合阿德福韦酯治疗HBeAg阳性慢性乙型肝炎患者的疗效和安全性。方法采用随机、开放、多中心对照临床试验研究，纳入87例HBeAg阳性慢性乙型肝炎患者，将其随机分为普通干扰素α-2b治疗组32例，给予注射600万单位普通干扰素α-2b，1次/隔日，疗程48w；阿德福韦酯治疗组27例，给予阿德福韦酯10mg口服，1次/d，疗程72w；和联合治疗组28例，同时给予普通干扰素α-2b，48w和阿德福韦酯72w。每隔12w检测各组患者ALT、血清HBV标志物和HBVDNA水平。结果干扰素单药治疗、阿德福韦酯单药治疗和联合治疗组患者平均年龄分别为（31.8±6.6）岁、（34.2±6.4）岁和（30.5±7.2）岁，基线HBVDNA水平分别为（7.68±1.56）log10IU/ml、（7.61±2.00）log10IU/ml和（7.80±1.79）log10IU/ml，三组患者间两指标无统计学差异（P〉0.05）；三组间性别构成和基线ALT水平亦无显著统计学差异（P〉0.05）；在治疗72w时，干扰素单药治疗和阿德福韦酯单药治疗患者HBeAg转阴率分别为41%和19%，HBVDNA转阴率分别为53%和63%，ALT复常率分别为63%和67%，HBsAg血清学转换率为0.0%，均显著低于联合治疗组患者（57%、89%、93%和14%，P〈0.05）。结论在病毒抑制、转氨酶复常和血清学转换率方面，普通干扰素α-2b与阿德福韦酯联合治疗HBeAg阳性慢性乙型肝炎患者72w的疗效明显优于两药单独应用的效果。