Overexpression of TMOD1 is associated with enhanced regional lymph node metastasis in human oral cancer

  • Authors:
    • Toshikazu Suzuki
    • Atsushi Kasamatsu
    • Isao Miyamoto
    • Tomoaki Saito
    • Morihiro Higo
    • Yosuke Endo-Sakamoto
    • Masashi Shiiba
    • Hideki Tanzawa
    • Katsuhiro Uzawa
  • View Affiliations

  • Published online on: December 22, 2015     https://doi.org/10.3892/ijo.2015.3305
  • Pages: 607-612
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Abstract

Tropomodulin1 (TMOD1), which regulates the length and depolymerization of actin filaments by binding to the pointed end of the actin filament, has been reported to be a powerful diagnostic marker for ALK-negative anaplastic large-cell lymphoma; however, little is known about the relevance of TMOD1 in the behavior of oral squamous cell carcinoma (OSCC). We evaluated TMOD1 expression in OSCC-derived cell lines and primary OSCC samples (n=200) using quantitative reverse transcriptase-polymerase chain reaction, immunoblotting and semi-quantitative immunohistochemistry. We also analyzed the clinical correlation between TMOD1 expression status and clinical parameters in patients with OSCC and performed a prospective study using 40 primary OSCC samples. TMOD1 expression was upregulated significantly (p<0.05) in OSCC in vitro and in vivo compared with normal counterparts. TMOD1 expression also was correlated significantly (p=0.0199 and p=0.0064, respectively) with regional lymph node metastasis (RLNM) and 5-year survival rates. This prospective study also showed that high TMOD1 expression was seen in 12 (75%) of 16 cases in RLNM-positive patients and 9 (37.5%) of 24 cases in RLNM-negative patients. The current data provide the first evidence that TMOD1 expression is a critical biomarker for RLNM and prognosis of patients with OSCC.
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February-2016
Volume 48 Issue 2

Print ISSN: 1019-6439
Online ISSN:1791-2423

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Spandidos Publications style
Suzuki T, Kasamatsu A, Miyamoto I, Saito T, Higo M, Endo-Sakamoto Y, Shiiba M, Tanzawa H and Uzawa K: Overexpression of TMOD1 is associated with enhanced regional lymph node metastasis in human oral cancer. Int J Oncol 48: 607-612, 2016
APA
Suzuki, T., Kasamatsu, A., Miyamoto, I., Saito, T., Higo, M., Endo-Sakamoto, Y. ... Uzawa, K. (2016). Overexpression of TMOD1 is associated with enhanced regional lymph node metastasis in human oral cancer. International Journal of Oncology, 48, 607-612. https://doi.org/10.3892/ijo.2015.3305
MLA
Suzuki, T., Kasamatsu, A., Miyamoto, I., Saito, T., Higo, M., Endo-Sakamoto, Y., Shiiba, M., Tanzawa, H., Uzawa, K."Overexpression of TMOD1 is associated with enhanced regional lymph node metastasis in human oral cancer". International Journal of Oncology 48.2 (2016): 607-612.
Chicago
Suzuki, T., Kasamatsu, A., Miyamoto, I., Saito, T., Higo, M., Endo-Sakamoto, Y., Shiiba, M., Tanzawa, H., Uzawa, K."Overexpression of TMOD1 is associated with enhanced regional lymph node metastasis in human oral cancer". International Journal of Oncology 48, no. 2 (2016): 607-612. https://doi.org/10.3892/ijo.2015.3305