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中华口腔医学研究杂志(电子版) ›› 2007, Vol. 01 ›› Issue (01) : 25 -28. doi: 10.3877/cma.j.issn.1674-1366.2007.01.008

基础研究

兔VX2 舌鳞状细胞癌移植瘤模型的建立及其主要生物学特性的研究
廖贵清1,, 田军1, 刘海潮1, 杜日昌2, 李传真1, 李清1, 王敬旭1, 李国永1   
  1. 1.510055 广州,中山大学光华口腔医学院口腔颌面外科
    2.510055 广州,广东省韶关市第一人民医院病理科
  • 收稿日期:2007-01-07 出版日期:2007-02-01
  • 通信作者: 廖贵清
  • 基金资助:
    国家自然科学基金资助项目(30171019)广东省自然科学基金资助项目(990089)

Establishment of a transplanted model of VX2 carcinoma in rabbit tongue and studies on its major biological properties

Gui-qing LIAO1,, Jun TIAN1, Hai-chao LIU1, Ri-chang DU1, Chuanzhen Li1, Qing LI1, Jing-xu WANG1, Guo-yong Li1   

  1. 1.Department of Oral & Maxillofacial Surgery, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
  • Received:2007-01-07 Published:2007-02-01
  • Corresponding author: Gui-qing LIAO
引用本文:

廖贵清, 田军, 刘海潮, 杜日昌, 李传真, 李清, 王敬旭, 李国永. 兔VX2 舌鳞状细胞癌移植瘤模型的建立及其主要生物学特性的研究[J/OL]. 中华口腔医学研究杂志(电子版), 2007, 01(01): 25-28.

Gui-qing LIAO, Jun TIAN, Hai-chao LIU, Ri-chang DU, Chuanzhen Li, Qing LI, Jing-xu WANG, Guo-yong Li. Establishment of a transplanted model of VX2 carcinoma in rabbit tongue and studies on its major biological properties[J/OL]. Chinese Journal of Stomatological Research(Electronic Edition), 2007, 01(01): 25-28.

目的

建立可供实验研究的稳定的兔VX2 舌鳞状细胞癌(鳞癌)移植瘤模型并观察其生物学特性。

方法

采用组织块移植法,将兔VX2 新鲜鳞癌组织块移植于24 只新西兰大白兔的舌侧缘中1/3 黏膜下。 荷瘤动物随机分两组,第1 组(n=6)不同时期分批处死,进行大体观察、组织病理学及电镜检查;第2 组(n=14),观察模型自然生存期。

结果

肿瘤移植成功率为83.3%(20/24)。移植瘤的组织学特征与移植于兔其他部位的VX2 肿瘤基本一致,在舌体内浸润性生长并向周围侵袭、扩散,符合中分化鳞癌特征。

结论

本实验成功建立了兔VX2 舌鳞癌模型。 该模型移植成功率高,生物学特性稳定,潜伏期短,生长迅速,易于复制,较客观地反映了舌癌的生物学行为,更接近人舌癌的临床特征,为舌癌的生物学行为及实验治疗的研究提供了理想的大型动物模型。

Objective

To establish a suitable, large transplanted model of VX2 carcinoma in rabbit tongue for experimental study and observe its biological features.

Methods

Twenty-four New-Zealand white rabbits, each weighing about 2.8~3.2 kg, were transplanted with the VX2 carcinoma tissue pieces into the middle third of the lateral border of the tongue. All the tumour-bearing rabbits were randomly divided into two batches. Animals of group 1(n=6) were randomly sacrificed at day 3,7, 14, 21, 28, and 35 after implantation, respectively, and the biological features were observed by macroscopical and pathohistological examination. Animals of group 2 (n=14) were observed for the nature survival time.

Results

The successful rate of transplanted tumours is 83.3% (20/24).Histopathology and electronic microscope photographs indicated that the implanted tumour grew locally and exponentially at lingual recipient sites, aggressed and diffused interstitially, and infiltrated into the normal interstitial space as well, which is similar with biological properties of VX2 squamous cell carcinoma being transplanted in the other sites of rabbits.

Conclusions

With modalities of tumour tissue pieces, the transplanted model of VX2 carcinoma in the rabbit tongue was established successfully. This model has the characteristics of high tumor take-rate, steady biological properties,and rapid growth. Its properties resemble that in human, which can be useful for evaluating biological behavior and new therapeutics for tongue cancer.

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