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ID:33670334
大小:1.01 MB
页数:26页
时间:2019-02-28
《瘤服药后超微结构改变和基因表达研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、温州医学院硕士学位论文2—————型塑塑坠●IYIIIIlIll74IiI///i//lllrIIIl5IIIII/41111/117IIIiii2/1111目录垂体腺瘤服药后超微结构改变和基因表达研究⋯⋯⋯⋯⋯..4中文摘要⋯⋯⋯⋯⋯⋯⋯⋯.⋯⋯⋯⋯⋯.⋯..4英文摘要⋯⋯⋯⋯⋯⋯⋯⋯.⋯⋯⋯⋯.⋯⋯..51.前言⋯⋯.⋯⋯⋯⋯⋯⋯.⋯⋯⋯⋯⋯⋯⋯62.材料和方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..73.结果⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..114.分析与讨论..⋯..⋯⋯⋯⋯⋯⋯⋯⋯.⋯⋯⋯155一J、结⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.⋯⋯.16参考文献:⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..⋯..17
2、致谢⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.19文献综述⋯⋯..⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯....2O学位论文独创性声明⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..273温州医学院硕士学位论文垂体腺瘤服药后超微结构改变和基因表达研究【摘要】:目的从细胞超微结构和受体水平阐明垂体腺瘤药物治疗的作用机制。方法4例垂体无功能腺瘤和9例PRL腺瘤术前接受溴隐亭治疗,观察肿瘤细胞的超微结构改变。肿瘤标本送QRT-PCR检测细胞表面D2R和ER亚型的相对表达水平。结果泌乳素腺瘤和临床无功能腺瘤细胞的D2S、D2L、ERQ基因在mRNA水平存在差异表达(分别为P3、平明显高。除l例颗粒密集型PRL腺瘤外,泌乳素腺瘤服药后肿瘤细胞体积缩小,染色质异常凝集,胞浆空泡变性,细胞器减少,可见裸核细胞和暗细胞,和不同程度的细胞坏死崩解。NFPA对比PRL腺瘤,发现细胞大小形态改变较少,胞浆内细胞器未见明显减少,可见染色质聚集边聚,胞浆空泡变性和裸核细胞。结论垂体无功能腺瘤和PRL腺瘤在D2R和ER受体水平存在差异表达。对比PRL腺瘤,NFPA也存在药物治疗后细胞的超微结构改变。【关键词】泌乳素腺瘤;垂体无功能腺瘤;溴隐亭;多巴胺2型受体;雌激素受体;超微结构;4Medicalmanagementofpituitaryadenomas:Astudyofultr4、astructuralchangesandreceptorexpressionsAbstractObiective:Theaimofthisstudyistoanalyzetheultrastructuralchangesandreceptorexpressionsofpituitaryadenomasastoclarifythemechanismofmedicalmanagement.Methods:9patientswithprolactinomasand4withnonfunctioningpituitaryadenomas(NFPA)weretreatedwithbromocri5、ptinepreoperatively.Ultrastructuralchangesoftumorcellswereobservedthroughelectronmicroscopy.TumortissuesampleswereexaminedfortheexpressionofbothERmRNAandD2RmRNAisoformsbymeansofQRT-PCRanalysis.Results:ExpressionsofD2SmRNA、D2LmRNA、ERamRNAaresignificantdifferencebetweenprolactinomasandNFPAs(P6、P<0.01,P50.019,respectively),inwhichwashigherinprolactinomasascomparedtONFPAs.Exceptfor1patientwithdenselygranulatedlactotrophadenomas,8sparselygranulatedlactotrophadenomasshowedthatcytoplasmwasshrunkenandthekaryoplasmicratiowasenlarged.Ultrastructuralanalysisconfirmedaseriesofchangesincludingnuc7、learchromatinaggregationandmargination,markedreductionofroughendoplasmicreticulumandGolgicomplexes,vacuolardegenerations,necrosisandautolysisoftumorcellswithdarkcellornakednuclearcell.Comparedtoprolactinomas,NFPAshadli
3、平明显高。除l例颗粒密集型PRL腺瘤外,泌乳素腺瘤服药后肿瘤细胞体积缩小,染色质异常凝集,胞浆空泡变性,细胞器减少,可见裸核细胞和暗细胞,和不同程度的细胞坏死崩解。NFPA对比PRL腺瘤,发现细胞大小形态改变较少,胞浆内细胞器未见明显减少,可见染色质聚集边聚,胞浆空泡变性和裸核细胞。结论垂体无功能腺瘤和PRL腺瘤在D2R和ER受体水平存在差异表达。对比PRL腺瘤,NFPA也存在药物治疗后细胞的超微结构改变。【关键词】泌乳素腺瘤;垂体无功能腺瘤;溴隐亭;多巴胺2型受体;雌激素受体;超微结构;4Medicalmanagementofpituitaryadenomas:Astudyofultr
4、astructuralchangesandreceptorexpressionsAbstractObiective:Theaimofthisstudyistoanalyzetheultrastructuralchangesandreceptorexpressionsofpituitaryadenomasastoclarifythemechanismofmedicalmanagement.Methods:9patientswithprolactinomasand4withnonfunctioningpituitaryadenomas(NFPA)weretreatedwithbromocri
5、ptinepreoperatively.Ultrastructuralchangesoftumorcellswereobservedthroughelectronmicroscopy.TumortissuesampleswereexaminedfortheexpressionofbothERmRNAandD2RmRNAisoformsbymeansofQRT-PCRanalysis.Results:ExpressionsofD2SmRNA、D2LmRNA、ERamRNAaresignificantdifferencebetweenprolactinomasandNFPAs(P6、P<0.01,P50.019,respectively),inwhichwashigherinprolactinomasascomparedtONFPAs.Exceptfor1patientwithdenselygranulatedlactotrophadenomas,8sparselygranulatedlactotrophadenomasshowedthatcytoplasmwasshrunkenandthekaryoplasmicratiowasenlarged.Ultrastructuralanalysisconfirmedaseriesofchangesincludingnuc7、learchromatinaggregationandmargination,markedreductionofroughendoplasmicreticulumandGolgicomplexes,vacuolardegenerations,necrosisandautolysisoftumorcellswithdarkcellornakednuclearcell.Comparedtoprolactinomas,NFPAshadli
6、P<0.01,P50.019,respectively),inwhichwashigherinprolactinomasascomparedtONFPAs.Exceptfor1patientwithdenselygranulatedlactotrophadenomas,8sparselygranulatedlactotrophadenomasshowedthatcytoplasmwasshrunkenandthekaryoplasmicratiowasenlarged.Ultrastructuralanalysisconfirmedaseriesofchangesincludingnuc
7、learchromatinaggregationandmargination,markedreductionofroughendoplasmicreticulumandGolgicomplexes,vacuolardegenerations,necrosisandautolysisoftumorcellswithdarkcellornakednuclearcell.Comparedtoprolactinomas,NFPAshadli
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