PURPOSE: To develop an orthotopic model of anaplastic thyroid carcinoma (ATC) in athymic nude mice. EXPERIMENTAL DESIGN: Various thyroid carcinoma cell lines were injected into the thyroid gland of athymic nude mice to determine whether such injection was technically feasible. ATC cells were then injected into the thyroid gland or the subcutis of nude mice at various concentrations, and the mice were then followed for tumor development. The tumors were examined histopathologically for local invasion or regional or distant metastasis. RESULTS: Injection of tumor cells into the thyroid glands of nude mice was technically feasible and resulted in the formation of thyroid tumors. The ATC cell line DRO showed significantly higher tumorigenicity in the thyroid gland than in the subcutis. In contrast, oral squamous cell carcinoma cell line TU167 shows no significantly higher tumorigenicity in the thyroid gland than in the subcutis. ATC tumors established in the thyroid gland also produced symptomatic compression of the esophagus and the trachea. Local invasion of the larynx and trachea was as well as high rates of pulmonary metastasis were also observed. Immunohistochemical staining showed higher microvessel density as well as higher expression of vascular endothelial growth factor and interleukin-8 in the orthotopic thyroid tumors than in ectopic tumors. CONCLUSION: An orthotopic model of ATC in athymic nude mice was developed that closely recapitulates the clinical findings of human ATC. This model should facilitate the understanding of the pathogenesis of ATC and aid in the development of novel therapies against ATC.
PURPOSE: To develop an orthotopic model of anaplastic thyroid carcinoma (ATC) in athymic nude mice. EXPERIMENTAL DESIGN: Various thyroid carcinoma cell lines were injected into the thyroid gland of athymic nude mice to determine whether such injection was technically feasible. ATC cells were then injected into the thyroid gland or the subcutis of nude mice at various concentrations, and the mice were then followed for tumor development. The tumors were examined histopathologically for local invasion or regional or distant metastasis. RESULTS: Injection of tumor cells into the thyroid glands of nude mice was technically feasible and resulted in the formation of thyroid tumors. The ATC cell line DRO showed significantly higher tumorigenicity in the thyroid gland than in the subcutis. In contrast, oral squamous cell carcinoma cell line TU167 shows no significantly higher tumorigenicity in the thyroid gland than in the subcutis. ATC tumors established in the thyroid gland also produced symptomatic compression of the esophagus and the trachea. Local invasion of the larynx and trachea was as well as high rates of pulmonary metastasis were also observed. Immunohistochemical staining showed higher microvessel density as well as higher expression of vascular endothelial growth factor and interleukin-8 in the orthotopic thyroid tumors than in ectopic tumors. CONCLUSION: An orthotopic model of ATC in athymic nude mice was developed that closely recapitulates the clinical findings of human ATC. This model should facilitate the understanding of the pathogenesis of ATC and aid in the development of novel therapies against ATC.
Authors: Carmelo Nucera; Matthew A Nehs; Michal Mekel; Xuefeng Zhang; Richard Hodin; Jack Lawler; Vânia Nose; Sareh Parangi Journal: Thyroid Date: 2009-10 Impact factor: 6.568
Authors: Randall W Alfano; Stephen H Leppla; Shihui Liu; Thomas H Bugge; Janelle M Ortiz; Terry C Lairmore; Nicholas S Duesbery; Ian C Mitchell; Fiemu Nwariaku; Arthur E Frankel Journal: Mol Cancer Ther Date: 2010-01-06 Impact factor: 6.261
Authors: Jennifer M Johnson; Stephen Y Lai; Paolo Cotzia; David Cognetti; Adam Luginbuhl; Edmund A Pribitkin; Tingting Zhan; Mehri Mollaee; Marina Domingo-Vidal; Yunyun Chen; Barbara Campling; Voichita Bar-Ad; Ruth Birbe; Madalina Tuluc; Ubaldo Martinez Outschoorn; Joseph Curry Journal: Semin Oncol Date: 2015-09-24 Impact factor: 4.929