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MiRNA-145 suppresses lung adenocarcinoma cell invasion and migration by targeting N-cadherin

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Abstract

Objective

To investigate the roles of miR-145 in lung adenocarcinoma (LAC) and to clarify the regulation of N-cadherin by miR-145.

Results

In 57 paired clinical LAC tissues, diminished miR-145 was significantly correlated with the lymph node metastasis and was negatively correlated with N-cadherin mRNA level expression. Wound healing and transwell assays revealed a reduced capability of tumor metastasis induced by miR-145 in LAC. miR-145 negatively regulated the invasion of cell lines through targeting N-cadherin by directly binding to its 3′-untranslated region. Silencing of N-cadherin inhibited invasion and migration of LAC cell lines similar to miR-145 overexpression.

Conclusions

MiR-145 could inhibit invasion and migration of lung adenocarcinoma cell lines by directly targeting N-cadherin.

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Acknowledgements

This study was supported by Key Laboratory for Laboratory Medicine of Jiangsu Province of China (No. XK201114) and Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions. We are grateful to the technical support from National Key Clinical Department of Laboratory Medicine of Jiangsu Province Hospital.

Supporting information

Supplementary Table 1—Target sites and sequences of shRNA plasmids.

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Author notes

    Authors and Affiliations

    1. Department of Laboratory Medicine, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, People’s Republic of China

      Dongping Mo, Daheng Yang, Xuelian Xiao, Ruihong Sun, Lei Huang & Jian Xu

    2. National Key Clinical Department of Laboratory Medicine, Nanjing, 210029, China

      Jian Xu

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    1. Dongping Mo
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    2. Daheng Yang
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    3. Xuelian Xiao
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    4. Ruihong Sun
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    5. Lei Huang
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    6. Jian Xu
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    Corresponding author

    Correspondence to Jian Xu.

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    The authors declare no conflicts of interest.

    Ethical approval

    All procedures performed in studies involving human participants were in accordance with ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

    Additional information

    Dongping Mo and Daheng Yang contributed equally to this work.

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    Supplementary material 1 (DOC 30 kb)

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    Cite this article

    Mo, D., Yang, D., Xiao, X. et al. MiRNA-145 suppresses lung adenocarcinoma cell invasion and migration by targeting N-cadherin. Biotechnol Lett 39, 701–710 (2017). https://doi.org/10.1007/s10529-017-2290-9

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    • DOI: https://doi.org/10.1007/s10529-017-2290-9

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