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OB glue paste technique for establishing nude mouse human gastric cancer orthotopic transplantation models

Author(s): Jun Shi, Pin-Kang Wei, Shen Zhang, Zhi-Feng Qin, Jun Li, Da-Zhi Sun, Yan Xiao, Zhi-Hong Yu, Hui-Ming Lin, Guo-Jing Zheng, Xiao-Mei Su, Ya-Lin Chen, Yan-Fang Liu, Ling Xu

Journal: World Journal of Gastroenterology
ISSN 1007-9327

Volume: 14;
Issue: 30;
Start page: 4800;
Date: 2008;
Original page

Keywords: Gastric tumor | Tumor transplantation | Disease models | Animal | Nude mice

AIM: To establish nude mouse human gastric cancer orthotopic transplantation models using OB glue paste technique.METHODS: Using OB glue paste technique, orthotopic transplantation models were established by implanting SGC-7901 and MKN-45 human gastric cancer cell strains into the gastric wall of nude mice. Biological features, growth of the implanted tumors, the success rate of transplantation and the rate of auto-metastasis of the two models were observed.RESULTS: The success rates of orthotopic transplan-tation of the two models were 94.20% and 96%. The rates of hepatic metastasis, pulmonary metastasis, peritoneal metastasis, lymphocytic metastasis and splenic metastasis were 42.13% and 94.20%, 48.43% and 57.97%, 30.83% and 36.96%, 67.30% and 84.06%, and 59.75% and 10.53%, respectively. The occurrence of ascites was 47.80% and 36.96%.CONCLUSION: OB glue paste technique is easy to follow. The biological behaviors of the nude mouse human gastric cancer orthotopic transplantation models established with this technique are similar to the natural processes of growth and metastasis of human gastric cancer, and, therefore, can be used as an ideal model for experimental research of proliferative metastasis of tumors.

Tango Jona
Tangokurs Rapperswil-Jona

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