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Overexpression of SERPINA3 suppresses tumor progression by modulating SPOP/NF‑κB in lung cancer

  • Authors:
    • Yanxia Jin
    • Yueyang Zhang
    • Ankang Huang
    • Ying Chen
    • Jinsong Wang
    • Na Liu
    • Xianping Wang
    • Yongsheng Gong
    • Weidong Wang
    • Jicheng Pan

  • View Affiliations

  • Published online on: July 5, 2023     https://doi.org/10.3892/ijo.2023.5544
  • Article Number: 96

  • Copyright: © Jin et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

The pathogenesis mechanism of lung cancer is very complex, with high incidence and mortality. Serpin family A member 3 (SERPINA3) expression levels were reduced in the sera of patients with lung cancer and may be a candidate diagnostic and prognostic survival biomarker in lung cancer, as previously reported. However, the detailed biological functions of SERPINA3 in the pathogenesis of lung cancer remain unknown. In the present study, it was aimed to explore the effects of SERPINA3 on the occurrence of lung cancer. SERPINA3 expression was assessed using bioinformatics database analysis and experimental detection. Then, the biological effects of SERPINA3 were investigated in a cell culture system and a xenograft model of human lung cancer. The potential regulatory mechanism of SERPINA3 in lung cancer was explored by data‑independent acquisition mass spectrometry (DIA‑MS) detection and further validated by western blotting (WB). The results indicated that SERPINA3 expression levels were significantly downregulated in lung cancer tissues and cell lines. At the cellular level, it was revealed that overexpressed SERPINA3 inhibited cell growth, proliferation, migration and invasion and promoted the apoptosis of lung cancer cells. Moreover, overexpressed SERPINA3 enhanced the sensitivity of lung cancer cells to osimertinib. In vivo, a xenograft model of human lung cancer was established with BALB/c nude mice. After the injection of A549 cells, the tumor growth of the tumor‑bearing mice in the SERPINA3‑overexpressing group increased more slowly, and the tumor volume was smaller than that in the empty‑vector group. Mechanistically, a total of 65 differentially expressed proteins were identified. It was found that the speckle‑type POZ protein (SPOP) was significantly upregulated in SERPINA3‑overexpressing H157 cells using DIA‑MS detection and analysis. WB validation showed that SPOP expression increased, and NF‑kappaB (NF‑κB) p65 was inhibited in cell lines and tumor tissues of mice when SERPINA3 was overexpressed. The present findings suggest that SERPINA3 is involved in the development of lung cancer and has an antineoplastic role in lung cancer.
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August-2023
Volume 63 Issue 2

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

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Spandidos Publications style
Jin Y, Zhang Y, Huang A, Chen Y, Wang J, Liu N, Wang X, Gong Y, Wang W, Pan J, Pan J, et al: Overexpression of SERPINA3 suppresses tumor progression by modulating SPOP/NF‑κB in lung cancer. Int J Oncol 63: 96, 2023
APA
Jin, Y., Zhang, Y., Huang, A., Chen, Y., Wang, J., Liu, N. ... Pan, J. (2023). Overexpression of SERPINA3 suppresses tumor progression by modulating SPOP/NF‑κB in lung cancer. International Journal of Oncology, 63, 96. https://doi.org/10.3892/ijo.2023.5544
MLA
Jin, Y., Zhang, Y., Huang, A., Chen, Y., Wang, J., Liu, N., Wang, X., Gong, Y., Wang, W., Pan, J."Overexpression of SERPINA3 suppresses tumor progression by modulating SPOP/NF‑κB in lung cancer". International Journal of Oncology 63.2 (2023): 96.
Chicago
Jin, Y., Zhang, Y., Huang, A., Chen, Y., Wang, J., Liu, N., Wang, X., Gong, Y., Wang, W., Pan, J."Overexpression of SERPINA3 suppresses tumor progression by modulating SPOP/NF‑κB in lung cancer". International Journal of Oncology 63, no. 2 (2023): 96. https://doi.org/10.3892/ijo.2023.5544