中国地鼠口腔颊囊黏膜癌模型的建立及癌变的动态观察

doi:10.3969/j.issn.1004-616x.2016.01.012

癌变·畸变·突变 ›› 2016, Vol. 28 ›› Issue (1): 56-59,65.doi: 10.3969/j.issn.1004-616x.2016.01.012

中国地鼠口腔颊囊黏膜癌模型的建立及癌变的动态观察

皇甫冰, 庞文彪, 张锐虎, 郭民, 高继萍, 宋国华

山西医科大学实验动物中心, 实验动物与人类疾病动物模型山西省重点实验室, 山西太原 030001

收稿日期:2015-09-25 修回日期:2015-12-01 出版日期:2016-01-31 发布日期:2016-01-31
通讯作者: 宋国华E-mail:ghsongg@hotmail.com E-mail:ghsongg@hotmail.com
作者简介:皇甫冰,E-mail:bhuangfu@hotmail.com。
基金资助:
山西省实验动物专项(2014k08,2015k03)

Development of oral buccal pouch mucosa cancer in Chinese hamsters and dynamic observation of their carcinogenesis

HUANGFU Bing, PANG Wenbiao, ZHANG Ruihu, GUO Min, GAO Jiping, SONG Guohua

Laboratory Animal Center, Shanxi Key Laboratory of Experimental Animal Science and Human Disease Animal Model, Shanxi Medical University, Taiyuan 030001, Shanxi, China

Received:2015-09-25 Revised:2015-12-01 Online:2016-01-31 Published:2016-01-31

摘要/Abstract

摘要： 目的: 利用二甲基苯并蒽(DMBA)涂抹法建立中国地鼠颊囊黏膜癌的实验动物模型,观察癌变不同时期的组织学动态变化过程。方法: 将60只雄性中国地鼠随机分为3组,分别为模型组(24只)、溶剂对照组(12只)、空白对照组(24只)。溶剂对照组仅涂丙酮液,空白对照组不作任何处理,模型组以0.5% DMBA涂抹中国地鼠两侧颊囊,每周3次,共15周。分别于第6、9、12、15周将模型组和空白对照组随机处死6只,溶剂对照组处死3只,在肉眼及光镜下动态观察颊囊黏膜癌变全过程的形态学和显微组织学改变。结果: 与对照组比较,DMBA长时间处理后模型组地鼠相继出现口腔内黏膜充血、增厚、溃烂化脓、白斑及菜花状赘生物等变化,经历了单纯上皮增生(6~9周)、不同程度上皮异常增生(9~12周)、原位癌及鳞状细胞癌(12~15周)等阶段。结论: DMBA涂抹法可成功建立中国地鼠颊囊黏膜癌前病变、鳞状细胞癌模型,发病过程与人类口腔鳞状细胞癌相似,为口腔鳞癌的多阶段、多步骤研究提供了一个较为理想的动物模型。

关键词: 中国地鼠, 颊囊黏膜, 口腔鳞状细胞癌, 二甲基苯并蒽, 动物模型

Abstract: OBJECTIVE: To observe the dynamic histological changes in dimethylbenzanthracene(DMBA)-induced cancer in the Chinese hamster's buccal pouch mucosa cancer experimental animal model. METHODS: 60 male Chinese hamsters were randomly divided into three groups;experimental group(24 hamsters),solvent control group (12 hamsters) and control group(24 hamsters). In the solvent control group,the site was only coated with acetone solution. The buccal pouch mucosas were treated with 0.5% DMBA 3 times a week for 15 weeks. For the experimental and the control groups,6 hamsters were randomly selected and killed after 6 weeks,9 weeks,12 weeks and 15 weeks. For the solvent control group,3 hamsters were killed each time. The morphological and histological changes of buccal pouch mucosa were dynamic observed under naked eye and light microscope. RESULTS: Compared with the control group,a series of abnormal changes was consecutively observed in the experimental group;hyperemia,incrassation,festering Canker leukoplakia Cauliflower shape vegetations. The stages of histological changes had the simple hyperplasia(6^th-9^th week),the epithelial dysplasia of different degrees(9^th-12^th week),carcinoma in situ and squamous cell carcinomas (12^th-15^th week). CONCLUSION: Our experimental model shows similar changes to that of human oral squamous cell carcinoma. Therefore,the model can be used to study oral squamous cell carcinoma in multi-stage and multi-step dynamic development.

Key words: Chinese hamster, buccal pouch mucosa, oral squamous cell carcinoma, dimethylbenzanthracene, animal model

中图分类号:

R73-3

皇甫冰, 庞文彪, 张锐虎, 郭民, 高继萍, 宋国华. 中国地鼠口腔颊囊黏膜癌模型的建立及癌变的动态观察[J]. 癌变·畸变·突变, 2016, 28(1): 56-59,65.

HUANGFU Bing, PANG Wenbiao, ZHANG Ruihu, GUO Min, GAO Jiping, SONG Guohua. Development of oral buccal pouch mucosa cancer in Chinese hamsters and dynamic observation of their carcinogenesis[J]. Carcinogenesis, Teratogenesis & Mutagenesis, 2016, 28(1): 56-59,65.

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中国地鼠口腔颊囊黏膜癌模型的建立及癌变的动态观察

Development of oral buccal pouch mucosa cancer in Chinese hamsters and dynamic observation of their carcinogenesis

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