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Erschienen in: Cancer Immunology, Immunotherapy 11/2016

10.09.2016 | Original Article

Regulatory T cells function at the early stage of tumor progression in a mouse model of tongue squamous cell carcinoma

verfasst von: Kentaro Miki, Yorihisa Orita, Yuka Gion, Soshi Takao, Kyotaro Ohno, Mai Takeuchi, Toshihiro Ito, Hiroyuki Hanakawa, Tomoyasu Tachibana, Hidenori Marunaka, Takuma Makino, Akira Minoura, Akihiro Matsukawa, Kazunori Nishizaki, Tadashi Yoshino, Yasuharu Sato

Erschienen in: Cancer Immunology, Immunotherapy | Ausgabe 11/2016

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Abstract

The objective of this study was to observe the distribution of regulatory T cells (Tregs) in the development of tongue squamous cell carcinoma (SCC) and to determine the role of Tregs in the progression of tongue SCC. A mouse model of 4-nitroquinoline-1-oxide (4NQO)-induced-tongue SCC was established. The expression of Forkhead box P3 (Foxp3), interleukin 10, transforming growth factor-β, chemokine CC motif ligands 17, 20, and CC chemokine receptor 4 was determined using real-time quantitative polymerase chain reaction. Foxp3 expression was also analyzed using immunohistochemistry. The results were compared with those of control mice and of 4NQO-treated mice treated with a cyclooxygenase-2 (COX-2) inhibitor. Well to moderately differentiated tongue SCC was induced in all of the experimental mice. The amount of Tregs of the experimental mice was over 10 times as much as control mice at the early stage of tumor progression. COX-2 inhibitor did not prevent the progression of tongue SCC and did not reduce the total amount of Tregs. Tregs function at the early stage of the development of tongue SCC, and it may be effective to suppress Tregs at the early stage of tumor progression for the treatment and/or prevention of tongue SCC.
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Metadaten
Titel
Regulatory T cells function at the early stage of tumor progression in a mouse model of tongue squamous cell carcinoma
verfasst von
Kentaro Miki
Yorihisa Orita
Yuka Gion
Soshi Takao
Kyotaro Ohno
Mai Takeuchi
Toshihiro Ito
Hiroyuki Hanakawa
Tomoyasu Tachibana
Hidenori Marunaka
Takuma Makino
Akira Minoura
Akihiro Matsukawa
Kazunori Nishizaki
Tadashi Yoshino
Yasuharu Sato
Publikationsdatum
10.09.2016
Verlag
Springer Berlin Heidelberg
Erschienen in
Cancer Immunology, Immunotherapy / Ausgabe 11/2016
Print ISSN: 0340-7004
Elektronische ISSN: 1432-0851
DOI
https://doi.org/10.1007/s00262-016-1902-x

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