Induction of claudin-4 by nonsteroidal anti-inflammatory drugs and its contribution to their chemopreventive effect

Shinji Mima, Shinji Tsutsumi, Hironori Ushijima, Miho Takeda, Ikue Fukuda, Kazumi Yokomizo, Keitarou Suzuki, Kuniaki Sano, Tohru Nakanishi, Wataru Tomisato, Tomofusa Tsuchiya, Tohru Mizushima

Research output: Contribution to journalArticle

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Abstract

Nonsteroidal anti-inflammatory drugs (NSAID) have shown chemopreventive effects in both preclinical and clinical studies; however, the precise molecular mechanism governing this response remains unclear. We used DNA microarray techniques to search for genes whose expression is induced by the NSAID indomethacin in human gastric carcinoma (AGS) cells. Among identified genes, we focused on those related to tight junction function (claudin-4, claudin-1, and occludin), particularly claudin-4. Induction of claudin-4 by indomethacin was confirmed at both mRNA and protein levels. NSAIDs, other than indomethacin (diclofenac and celecoxib), also induced claudin-4. All of the tested NSAIDs increased the intracellular Ca2+ concentration. Other drugs that increased the intracellular Ca2+ concentration (thapsigargin and ionomycin) also induced claudin-4. Furthermore, an intracellular Ca2+ chelator [1,2-bis(2-aminophenoxy)ethane-N,N,N′,N′-tetra-acetic acid] inhibited the indomethacin-dependent induction of claudin-4. These results strongly suggest that induction of claudin-4 by indomethacin is mediated through an increase in the intracellular Ca2+ concentration. Overexpresston of claudin-4 in AGS cells did not affect cell growth or the induction of apoptosis by indomethacin. On the other hand, addition of indomethacin or overexpression of claudin-4 inhibited cell migration. Colony formation in soft agar was also inhibited. Suppression of claudin-4 expression by small interfering RNA restored the migration activity of AGS cells in the presence of indomethacin. Based on these results, we consider that the induction of claudin-4 and other tight junction-related genes by NSAIDs may be involved in the chemopreventive effect of NSAIDs through the suppression of anchorage-independent growth and cell migration.

Original languageEnglish
Pages (from-to)1868-1876
Number of pages9
JournalCancer Research
Volume65
Issue number5
DOIs
Publication statusPublished - Mar 1 2005

Fingerprint

Claudin-4
Anti-Inflammatory Agents
Indomethacin
Pharmaceutical Preparations
Non-Steroidal Anti-Inflammatory Agents
Tight Junctions
Celecoxib
Cell Movement
Claudin-1
Occludin
Ionomycin
Ethane
Thapsigargin
Diclofenac
Chelating Agents
Growth
Oligonucleotide Array Sequence Analysis
Acetic Acid
Small Interfering RNA
Genes

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Mima, S., Tsutsumi, S., Ushijima, H., Takeda, M., Fukuda, I., Yokomizo, K., ... Mizushima, T. (2005). Induction of claudin-4 by nonsteroidal anti-inflammatory drugs and its contribution to their chemopreventive effect. Cancer Research, 65(5), 1868-1876. https://doi.org/10.1158/0008-5472.CAN-04-2770

Induction of claudin-4 by nonsteroidal anti-inflammatory drugs and its contribution to their chemopreventive effect. / Mima, Shinji; Tsutsumi, Shinji; Ushijima, Hironori; Takeda, Miho; Fukuda, Ikue; Yokomizo, Kazumi; Suzuki, Keitarou; Sano, Kuniaki; Nakanishi, Tohru; Tomisato, Wataru; Tsuchiya, Tomofusa; Mizushima, Tohru.

In: Cancer Research, Vol. 65, No. 5, 01.03.2005, p. 1868-1876.

Research output: Contribution to journalArticle

Mima, S, Tsutsumi, S, Ushijima, H, Takeda, M, Fukuda, I, Yokomizo, K, Suzuki, K, Sano, K, Nakanishi, T, Tomisato, W, Tsuchiya, T & Mizushima, T 2005, 'Induction of claudin-4 by nonsteroidal anti-inflammatory drugs and its contribution to their chemopreventive effect', Cancer Research, vol. 65, no. 5, pp. 1868-1876. https://doi.org/10.1158/0008-5472.CAN-04-2770
Mima, Shinji ; Tsutsumi, Shinji ; Ushijima, Hironori ; Takeda, Miho ; Fukuda, Ikue ; Yokomizo, Kazumi ; Suzuki, Keitarou ; Sano, Kuniaki ; Nakanishi, Tohru ; Tomisato, Wataru ; Tsuchiya, Tomofusa ; Mizushima, Tohru. / Induction of claudin-4 by nonsteroidal anti-inflammatory drugs and its contribution to their chemopreventive effect. In: Cancer Research. 2005 ; Vol. 65, No. 5. pp. 1868-1876.
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