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ID:36718366
大小:1.67 MB
页数:41页
时间:2019-05-14
《燃煤型砷中毒患者皮损微卫星不稳定性的检测》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、遵义医学院硕士学位论文燃煤型砷中毒患者皮损微卫星不稳定性的检测姓名:袁伟申请学位级别:硕士专业:内科学指导教师:张信江2003.5.16罐士精襄鲰牛盏袍·史拳撼蓦E冲审膏鹿角H电攮■k置JL幂捌}麓嚏垂§精璃l燃煤鎏肄孛毒患者受损微显星不稳定性酶硷测攮要目的探讨微卫星不稳定性及融和性尝失在燃煤型砷中毒患者皮肤瘸炎发生发腻中翻干棼用。蠢法豫攥受驳瘸瑗缀织学捡凑缝暴黠燃漾鍪l瓣中毒惑毳逶孬分灌,这取TP53.PCRl5、D9S3192个微卫璧多态热轹遮,梁惩PCRy-壤一变瞧聚嚣烯酰胺凝胶电泳一银染滋检测其皮损
2、中擞卫星不稳定性状况。采用爿7检验分祈徽卫星不稳定性旃皮损的临床分庾、病瓒分型的关系。结果籍捷爨煤鍪秘串毒受擐蘩缆徽翌鬟不稳崽缝豹教生率海32+4%(11/34),杂秘性豢失静发囊率鸯14:7%(5/34),徽墨星誉稳定毪与1临床分艘、瘸蠼分塑之间统计学分褫芜盥藿性豢彝《黔珙幽K_rJ绪论染色体17p13.1,,9p21上存在的p53,静懈掷瘸藻霸粥j钕活以及1擎53.PCRl5.,D9S主192令镦童鼗霞熹藏黛摹麓巍辩警疲零簿发生袭纛癌变中越燕要传粥。擞羹攫不稳定性帮杂会缝鬟受霉缝楚簿枣毒皴疫蔌癌f的~个
3、堂舞机制。关键词砷中毒;徽翌塑DNA;徽卫基术稳定憔≯杂裔悭丢失礤士磷冀。鱼.牛娥沧文崧埔墨}删I串葺L患j}皮授饿置熏幂冀定娩的撞镰IDetectionofMierosatellitelnstabilityinlesionsofthepatientswithcoal—burntarsenismAbstracto毯ectivelnordertOelucidatethesignificanceofbothmierosatelliteinstability(MSI)andlossofheterozygosity
4、(LOH)inthepathogenesisofarsenic-inducedskinlesions,especiallyskincarcinoma,thepresenceofMISandLOHattwoloci【chromosome17p13,t(TP53.PCFLp53)and9p21(D9S319,p16)]wasevaluated.MethodsUsingpolymerasechainreation(PCR)-denaturedpotyacrylamidegelelectrophoresis-sil
5、verstaining,atotalof34samplesofarsenic-inducedskinlesionsweredetectedforM戳andLOH,andtheresultsw辨e嘲pa诧畦withtheclinicopathologicalparameterstoo.ResultsInarsenic—induee症skinlesionsof34cases.theincidenceofmierosatelliteinstability(MSI)was32.35%01/34)andtheloss
6、ofheterozygosity(LOH)14.70%(5/3句.Clinicallypathologicalgradesshowednodifferentinstatisticalanalysis(P>O.05),’ConclusionsThetumorsuppressor’geneinactivation6n赫twotdifferentLociTP53。PCRl5andD9S319on.chromosomes17and9andM辍掇&ybeimportantfactorsinthegenesisandd
7、evelopmentofarsenic-inducedskinlesions。MSlandLOHmayplayacertainrole瀛thecarcinogenesisandprogressionofarsenic*inducedskinlesions.KeywordsArsenicpoisoning;MicrosatelliteDNA;Microsatelliteinstability;Lossofheterozygosity2礤士胃},摹点牛馥{枣:眨撼味蕾£辞争毒冀詹褒擐谳鼍JL暴髓定性壶垂饕骥§燃
8、煤型辩孛毒患者皮摆徽卫星不稳是镶豹检溅前言t无机砷是一种致皮脓肿瘤物,可引超皮肤鳃织增生、角化过废和胂瘸澎痰。辩是致戆皮默潦童兰要发雯予疆稳缔中毒爨蠹。燃溪受磷中毒(CoalArsenicPoisoning,CAP)鼹特定地区居民困长期燃用高狲煤致空气、食品瀚染覆雩;越熬馥瘦获矮枣受主憝稷靛全赛戆疾褒。爨建巍主要纛每CAP瘸嚣,融发现瘸人2600余人,受威胁人口近7万111,痫变以皮肤损害为主,胰攒主要鸯镶诧避液
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