A xenograft line of human teratocarcinoma established by serial transplantation in severe combined immunodeficient (SCID) mice

APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica
Y AbeM Nakamura

Abstract

We established a xenograft line of human teratocarcinoma (TC-1) and characterized the pluripotency of differentiation of the neoplastic cells. A teratocarcinoma specimen obtained from a primary mediastinal lesion (22-year-old male patient) was inoculated subcutaneously into severe combined immunodeficient (SCID) mice. The carcinoma formed tumors in the mice. We established a xenograft line by serial passage of the tumor in vivo. The primary tumor was composed of papillary and pseudoglandular nests of highly atypical epithelial cells with foci of glomeruloid structures. The metastatic cells showed apparent production of mucin and differentiation to striated muscle. The xenograft line TC-1 retained the basic histopathological features seen in the primary and metastatic cells. The xenograft line showed focal differentiation to cartilage through serial passages. Immunohistochemical studies with anti-alpha-fetoprotein (AFP) demonstrated positive immunoreactivity on the TC-1 cells. Serum AFP levels were also elevated in the TC-1-bearing SCID mice. The human teratocarcinoma xenograft line TC-1 will be useful for studying the differentiation mechanism in human totipotent stem cells.

References

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Sep 15, 1980·International Journal of Cancer. Journal International Du Cancer·P W AndrewsB B Knowles
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Citations

Nov 11, 2008·Biomedical Research·Chiyoko NishimeHiroshi Kijima
May 15, 2007·Advanced Drug Delivery Reviews·Soo-Hong Lee, Heungsoo Shin
Feb 28, 2015·Stem Cells Translational Medicine·James A HeslopB Kevin Park

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