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7,8-Dihydroxycoumarin inhibits A549 human lung adenocarcinoma cell proliferation by inducing apoptosis via suppression of Akt/NF-κB signaling

  • Authors:
    • Yue Wang
    • Chang-Feng Li
    • Li-Ming Pan
    • Zhong-Li Gao
  • View Affiliations / Copyright

    Affiliations: Department of Thoracic Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 133033, P.R. China, Department of Endoscopy, China-Japan Union Hospital of Jilin University, Changchun, Jilin 133033, P.R. China, Department of Pediatrics, The First Bethune Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
  • Pages: 1770-1774
    |
    Published online on: April 9, 2013
       https://doi.org/10.3892/etm.2013.1054
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Abstract

The Akt/NF-κB pathways are involved in numerous anti-apoptotic and drug-resistance events that occur in non‑small cell lung cancer (NSCLC). In the present study, the role of 7,8-dihydroxycoumarin in the regulation of the anti‑apoptotic Akt and NF-κBp65 signaling pathways was explored. A549 human lung adenocarcinoma cells were exposed to 7,8-dihydroxycoumarin with a final concentration of 25, 50 and 100 µmol/l for 48 h. Quantitative polymerase chain reaction (PCR) and western blotting were performed to detect mRNA and protein expression, respectively. The MTT assay was performed to detect cell proliferation. The results demonstrated that anti‑apoptotic phospho-Akt1 (pAkt1), phospho-IκBα (pIκBα), NF-κBp65 and Bcl-2 were inhibited and pro-apoptotic caspase-3 was upregulated in a concentration-dependent manner. At a concentration of 100 µmol/l, the anti-apoptotic NF-κBp65 and Bcl-2 mRNA expression levels decreased 0.12 (5.82/48.5, treated/control)-fold and 0.17 (6.7/39.4, treated/control)-fold, respectively. The pro-apoptotic caspase-3 mRNA was upregulated 4.43 (39.4/8.9, treated/control)‑fold. The anti‑apoptotic pAkt1, pIκBα, NF-κBp65 and Bcl-2 proteins were downregulated, with blot grayscale values of 7.3 (vs. 52.4 control), 4.3 (vs. 42.2 control), 5.08 (vs. 44.5 control) and 5.92 (vs. 38.5 control), respectively. The pro-apoptotic caspase-3 was upregulated to a blot grayscale value of 27.8 (vs. 5.8 control). The proliferative activity of A549 cells was reduced significantly compared with that of the control cells (83.7, 27.2 and 9.5 vs. 100%, respectively; P<0.05 for each). 7,8-Dihydroxycoumarin plays an important role in the induction of apoptosis via suppression of Akt/NF-κB signaling in A549 human lung adenocarcinoma cells in a concentration-dependent manner. 7,8-Dihydroxycoumarin may be a candidate naturally-occurring drug for the treatment and prevention of lung adenocarcinoma.
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Copy and paste a formatted citation
Spandidos Publications style
Wang Y, Li C, Pan L and Gao Z: 7,8-Dihydroxycoumarin inhibits A549 human lung adenocarcinoma cell proliferation by inducing apoptosis via suppression of Akt/NF-κB signaling. Exp Ther Med 5: 1770-1774, 2013.
APA
Wang, Y., Li, C., Pan, L., & Gao, Z. (2013). 7,8-Dihydroxycoumarin inhibits A549 human lung adenocarcinoma cell proliferation by inducing apoptosis via suppression of Akt/NF-κB signaling. Experimental and Therapeutic Medicine, 5, 1770-1774. https://doi.org/10.3892/etm.2013.1054
MLA
Wang, Y., Li, C., Pan, L., Gao, Z."7,8-Dihydroxycoumarin inhibits A549 human lung adenocarcinoma cell proliferation by inducing apoptosis via suppression of Akt/NF-κB signaling". Experimental and Therapeutic Medicine 5.6 (2013): 1770-1774.
Chicago
Wang, Y., Li, C., Pan, L., Gao, Z."7,8-Dihydroxycoumarin inhibits A549 human lung adenocarcinoma cell proliferation by inducing apoptosis via suppression of Akt/NF-κB signaling". Experimental and Therapeutic Medicine 5, no. 6 (2013): 1770-1774. https://doi.org/10.3892/etm.2013.1054
Copy and paste a formatted citation
x
Spandidos Publications style
Wang Y, Li C, Pan L and Gao Z: 7,8-Dihydroxycoumarin inhibits A549 human lung adenocarcinoma cell proliferation by inducing apoptosis via suppression of Akt/NF-κB signaling. Exp Ther Med 5: 1770-1774, 2013.
APA
Wang, Y., Li, C., Pan, L., & Gao, Z. (2013). 7,8-Dihydroxycoumarin inhibits A549 human lung adenocarcinoma cell proliferation by inducing apoptosis via suppression of Akt/NF-κB signaling. Experimental and Therapeutic Medicine, 5, 1770-1774. https://doi.org/10.3892/etm.2013.1054
MLA
Wang, Y., Li, C., Pan, L., Gao, Z."7,8-Dihydroxycoumarin inhibits A549 human lung adenocarcinoma cell proliferation by inducing apoptosis via suppression of Akt/NF-κB signaling". Experimental and Therapeutic Medicine 5.6 (2013): 1770-1774.
Chicago
Wang, Y., Li, C., Pan, L., Gao, Z."7,8-Dihydroxycoumarin inhibits A549 human lung adenocarcinoma cell proliferation by inducing apoptosis via suppression of Akt/NF-κB signaling". Experimental and Therapeutic Medicine 5, no. 6 (2013): 1770-1774. https://doi.org/10.3892/etm.2013.1054
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