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01-04-2006 | Original Article

Correlation of invasion and metastasis of cancer cells, and expression of the RAD21 gene in oral squamous cell carcinoma

Authors: Gou Yamamoto, Tarou Irie, Tadateru Aida, Yuuki Nagoshi, Reiko Tsuchiya, Tetsuhiko Tachikawa

Published in: Virchows Archiv | Issue 4/2006

Abstract

Although RAD21 is involved in the repair of double-strand breaks in DNA and is essential for mitotic growth, its role in cancer has been unclear. In this study, the relevance of RAD21 gene expression to the invasion and metastasis of oral squamous cell carcinoma was clarified using laser microdissection and real-time polymerase chain reaction (PCR). Using two different metastatic potential oral squamous cells [high-metastatic-potential squamous cell carcinoma cells (SAS-Ly) and low-metastatic-potential squamous cell carcinoma cells (SAS)], the relation of RAD21 gene expression to apoptosis, invasion, and metastasis was examined. The results showed that RAD21 gene expression was significantly decreased in oral squamous cell carcinoma when it expressed the INFβ and INFγ invasion patterns in comparison with the INFα invasion pattern (p<0.01). In addition, in comparison with SAS cells, SAS-Ly cells indicated tolerance to cell death induced by an apoptosis induction reagent, while the expression level of the RAD21 gene in SAS cells was increased by the apoptosis induction reagent. However, in SAS-Ly cells, the reagent induced no significant difference. Our findings indicate that the RAD21 gene was closely related to the invasion and metastasis of cancer cells.

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Title: Correlation of invasion and metastasis of cancer cells, and expression of the RAD21 gene in oral squamous cell carcinoma
Authors: Gou Yamamoto
Tarou Irie
Tadateru Aida
Yuuki Nagoshi
Reiko Tsuchiya
Tetsuhiko Tachikawa
Publication date: 01-04-2006
Publisher: Springer-Verlag
Published in: Virchows Archiv / Issue 4/2006
Print ISSN: 0945-6317
Electronic ISSN: 1432-2307
DOI: https://doi.org/10.1007/s00428-005-0132-y

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Correlation of invasion and metastasis of cancer cells, and expression of the RAD21 gene in oral squamous cell carcinoma

Abstract

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Abstract

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