ADAM23 is downregulated in side population and suppresses lung metastasis of lung carcinoma cells

Masahide Ota, Satsuki Mochizuki, Masayuki Shimoda, Hitoshi Abe, Yuka Miyamae, Ken Ishii, Hiroshi Kimura, Yasunori Okada

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Cancer cells contain a small population of cancer stem cells or cancer initiating cells, which can be enriched in the side population (SP) after fluorescence activated cell sorting. To examine the members of the ADAM, ADAMTS and MMP gene families related to phenotypes of the SP and the main population (MP), we screened the expression of all the members in the propagated SP and MP of A549 lung adenocarcinoma cells, and found that the relative expression ratio of ADAM23 in the MP to the SP is most highly increased, but none of them are increased in the SP. A similar result on the ADAM23 expression was obtained with another cell line, Calu-3 cells. Overexpression of ADAM23 inhibited colony formation, cell adhesion and migration, and knockdown of ADAM23 by shRNA showed the reverse effects. ADAM23-mediated suppression of colony formation, cell adhesion and migration was greatly reduced by treatment with neutralizing anti-ADAM23 antibody, anti-αvβ3 integrin antibody and/or ADAM23 disintegrin peptide. Expression of cancer stem cell-related genes, including AKRC1/2, TM4SF1 and NR0B1, was increased by knockdown of ADAM23. In addition, lung metastasis of A549 transfectants with different levels of ADAM23 expression was negatively regulated by the ADAM23 expression levels. Our data provide evidence that ADAM23 plays a role in suppression of cancer cell progression through interaction with αvβ3 integrin, and suggest that downregulation of ADAM23 in SP cells may contribute toward providing a cancer stem cell phenotype by facilitating the activity of integrin αvβ3.

Original languageEnglish
JournalCancer Science
DOIs
Publication statusAccepted/In press - 2016

Fingerprint

Down-Regulation
Neoplasm Metastasis
Carcinoma
Lung
Population
Neoplastic Stem Cells
Integrins
Cell Adhesion
Cell Movement
Side-Population Cells
Disintegrins
Phenotype
Neoplasms
Neutralizing Antibodies
Matrix Metalloproteinases
Small Interfering RNA
Genes
Anti-Idiotypic Antibodies
Flow Cytometry
Cell Line

Keywords

  • ADAM23
  • Colony formation
  • Metastasis
  • Non-small cell lung carcinoma cells
  • Side population

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

ADAM23 is downregulated in side population and suppresses lung metastasis of lung carcinoma cells. / Ota, Masahide; Mochizuki, Satsuki; Shimoda, Masayuki; Abe, Hitoshi; Miyamae, Yuka; Ishii, Ken; Kimura, Hiroshi; Okada, Yasunori.

In: Cancer Science, 2016.

Research output: Contribution to journalArticle

Ota, Masahide ; Mochizuki, Satsuki ; Shimoda, Masayuki ; Abe, Hitoshi ; Miyamae, Yuka ; Ishii, Ken ; Kimura, Hiroshi ; Okada, Yasunori. / ADAM23 is downregulated in side population and suppresses lung metastasis of lung carcinoma cells. In: Cancer Science. 2016.
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abstract = "Cancer cells contain a small population of cancer stem cells or cancer initiating cells, which can be enriched in the side population (SP) after fluorescence activated cell sorting. To examine the members of the ADAM, ADAMTS and MMP gene families related to phenotypes of the SP and the main population (MP), we screened the expression of all the members in the propagated SP and MP of A549 lung adenocarcinoma cells, and found that the relative expression ratio of ADAM23 in the MP to the SP is most highly increased, but none of them are increased in the SP. A similar result on the ADAM23 expression was obtained with another cell line, Calu-3 cells. Overexpression of ADAM23 inhibited colony formation, cell adhesion and migration, and knockdown of ADAM23 by shRNA showed the reverse effects. ADAM23-mediated suppression of colony formation, cell adhesion and migration was greatly reduced by treatment with neutralizing anti-ADAM23 antibody, anti-αvβ3 integrin antibody and/or ADAM23 disintegrin peptide. Expression of cancer stem cell-related genes, including AKRC1/2, TM4SF1 and NR0B1, was increased by knockdown of ADAM23. In addition, lung metastasis of A549 transfectants with different levels of ADAM23 expression was negatively regulated by the ADAM23 expression levels. Our data provide evidence that ADAM23 plays a role in suppression of cancer cell progression through interaction with αvβ3 integrin, and suggest that downregulation of ADAM23 in SP cells may contribute toward providing a cancer stem cell phenotype by facilitating the activity of integrin αvβ3.",
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AU - Ishii, Ken

AU - Kimura, Hiroshi

AU - Okada, Yasunori

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AB - Cancer cells contain a small population of cancer stem cells or cancer initiating cells, which can be enriched in the side population (SP) after fluorescence activated cell sorting. To examine the members of the ADAM, ADAMTS and MMP gene families related to phenotypes of the SP and the main population (MP), we screened the expression of all the members in the propagated SP and MP of A549 lung adenocarcinoma cells, and found that the relative expression ratio of ADAM23 in the MP to the SP is most highly increased, but none of them are increased in the SP. A similar result on the ADAM23 expression was obtained with another cell line, Calu-3 cells. Overexpression of ADAM23 inhibited colony formation, cell adhesion and migration, and knockdown of ADAM23 by shRNA showed the reverse effects. ADAM23-mediated suppression of colony formation, cell adhesion and migration was greatly reduced by treatment with neutralizing anti-ADAM23 antibody, anti-αvβ3 integrin antibody and/or ADAM23 disintegrin peptide. Expression of cancer stem cell-related genes, including AKRC1/2, TM4SF1 and NR0B1, was increased by knockdown of ADAM23. In addition, lung metastasis of A549 transfectants with different levels of ADAM23 expression was negatively regulated by the ADAM23 expression levels. Our data provide evidence that ADAM23 plays a role in suppression of cancer cell progression through interaction with αvβ3 integrin, and suggest that downregulation of ADAM23 in SP cells may contribute toward providing a cancer stem cell phenotype by facilitating the activity of integrin αvβ3.

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