NFAT5 promotes oral squamous cell carcinoma progression in a hyperosmotic environment

Shohei Yoshimoto, Hiromitsu Morita, Miho Matsuda, Yoshinori Katakura, Masato Hirata, Shuichi Hashimoto

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

Epidermal growth factor receptor (EGFR) is highly expressed in several types of cancer cells including oral squamous cell carcinoma (OSCC). EGF/EGFR signaling is recognized as an important molecular target in cancer therapy. However, cancer cells often become tolerant to EGF/EGFR signaling-targeted therapies. In the tumor microenvironment, the tumor incites inflammation and the inflammation-derived cytokines make a considerable impact on cancer development. In addition, hyperosmolarity is also induced, but the role of osmotic stress in cancer development has not been fully understood. This study demonstrates molecular insights into hyperosmolarity effect on OSCC development and shows that NFAT5 transcription factor plays an important functional role in enhancing the oral cancer cell proliferation by inducing the EGFR translocation from the endoplasmic reticulum to the plasma membrane through increase the expression of DPAGT1, an essential enzyme for catalyzing the first committed step of N-linked protein glycosylation. These results suggest that hyperosmolarity-induced intra-nuclear translocation of NFAT5 essential for DPAGT1 activation and EGFR subcellular translocation responsible for OSCC tumor progression.

本文言語英語
ページ(範囲)38-50
ページ数13
ジャーナルLaboratory Investigation
101
1
DOI
出版ステータス出版済み - 1 2021

All Science Journal Classification (ASJC) codes

  • 病理学および法医学
  • 分子生物学
  • 細胞生物学

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