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ID:33738265
大小:2.63 MB
页数:40页
时间:2019-02-28
《131i-herceptin对卵巢癌细胞skov-3的化疗增敏作用》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、青岛大学硕士学位论文131I--herceptin对卵巢癌细胞skov--3的化疗增敏作用姓名:姜鹏飞申请学位级别:硕士专业:肿瘤学指导教师:袁胜利20120602131I-herceptin对卵巢癌细胞skov-3的化疗增敏作用摘要目的:卵巢癌是女性生殖系统三大恶性肿瘤之一,虽然发病率仅占第三位,但其死亡率位居妇科恶性肿瘤之首,5年生存率约为30%⋯,且病死率有逐年增加的趋势。卵巢癌由于发现较晚,手术时机多已失去,普通的化疗、放疗由于化疗药物耐药及放疗抵抗等原因,疗效有限。本实验通过免疫靶向治疗的方法,探索Her一2高
2、表达类型卵巢癌的新治疗方法。观察“¨I标记的曲妥珠单抗(trastuzumab,商品名herceptin)对Her-2高表达的卵巢癌细胞skov-3的化疗增敏作用。方法:应用Iodogen法将13‘I标记到herceptin上,并测定放化学纯度、放射性浓度、免疫结合率、Herceptin标记率、放射性比活度进行质量控制,制备ⅢI-herceptin。实验设空白组、131I—herceptin组、顺铂(DDP)组、。3’I—herceptin和顺铂(DDP)联合组。MTT法测定不同浓度顺铂(DDP)和’1‘I-hercep
3、tin以及顺铂(DDP)和131I-herceptin联合对skov-3的生长抑制率,并画出生长抑制率曲线。流式细胞仪分别测四组不同处理的凋亡率。采用免疫组化法分别检测未处理的skov一3和13‘I-herceptin作用48小时后的skov-3的Her-2和survivin表达情况,并比较作用前后的表达率。结果:MTT法测得顺铂(DDP)生长抑制率并根据生长抑制率曲线得出4.685IJg时为80%、3.760IIg时为70%、2.75ug时为60%、2.320ug时为50%、2.020IIg时为40%、1.560ug时
4、为30%、1.130ug时为20%。MTT法测得””I—Herceptin生长抑制率,根据生长抑制率曲线得出生长抑制率为10%时‘3’I—Herceptin的浓度为O.75x105Bq/ml。MTT法测得各浓度联合组的生长抑制率明显高于相加组,P5、(DDP)组和。31I-Herceptin组,P6、ensitizingeffectof131I-HerceptinonovariancancercellSKOV二3AbstractObjective:ovariancanceristhethreerealignanttumorsinfemalereproductivesystem,althoughthepathogenesisisoccupiedonlythird,butitsmortalityrateranksfirstingynecologicalmalignanttumors,fiveyearssurvivalra7、teofapproximately30%【I】,andthemortalityratehasincreasedyearbyyear.Ovariancanceronsetoccult,lackofearlysymptoms,diagnosedwith60%to70%ofthepatientshaddistantmetastases.Currenttreatmentmodalitiesincludingoperation,radiotherapy,chemotherapy,butduetothediscoveryoflate8、,operationtimehasbeenlost,commonchemotherapy,radiotherapychemotherapybecauseofdrugresistanceandradiationresistanceandotherreasons,the1imitedefficacyof.Advanced
5、(DDP)组和。31I-Herceptin组,P6、ensitizingeffectof131I-HerceptinonovariancancercellSKOV二3AbstractObjective:ovariancanceristhethreerealignanttumorsinfemalereproductivesystem,althoughthepathogenesisisoccupiedonlythird,butitsmortalityrateranksfirstingynecologicalmalignanttumors,fiveyearssurvivalra7、teofapproximately30%【I】,andthemortalityratehasincreasedyearbyyear.Ovariancanceronsetoccult,lackofearlysymptoms,diagnosedwith60%to70%ofthepatientshaddistantmetastases.Currenttreatmentmodalitiesincludingoperation,radiotherapy,chemotherapy,butduetothediscoveryoflate8、,operationtimehasbeenlost,commonchemotherapy,radiotherapychemotherapybecauseofdrugresistanceandradiationresistanceandotherreasons,the1imitedefficacyof.Advanced
6、ensitizingeffectof131I-HerceptinonovariancancercellSKOV二3AbstractObjective:ovariancanceristhethreerealignanttumorsinfemalereproductivesystem,althoughthepathogenesisisoccupiedonlythird,butitsmortalityrateranksfirstingynecologicalmalignanttumors,fiveyearssurvivalra
7、teofapproximately30%【I】,andthemortalityratehasincreasedyearbyyear.Ovariancanceronsetoccult,lackofearlysymptoms,diagnosedwith60%to70%ofthepatientshaddistantmetastases.Currenttreatmentmodalitiesincludingoperation,radiotherapy,chemotherapy,butduetothediscoveryoflate
8、,operationtimehasbeenlost,commonchemotherapy,radiotherapychemotherapybecauseofdrugresistanceandradiationresistanceandotherreasons,the1imitedefficacyof.Advanced
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