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International Journal of Oncology
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Article

Proteomic (antibody microarray) exploration of the molecular mechanism of action of the specific COX-2 inhibitor DuP 697

  • Authors:
    • Vijay Agarwal
    • Victoria C. Hodgkinson
    • Gina L. Eagle
    • Lucy Scaife
    • Michael J. Lind
    • Lynn Cawkwell
  • View Affiliations / Copyright

    Affiliations: Cancer Biology Proteomics Group, Postgraduate Medical Institute of the University of Hull, Hull, UK
  • Pages: 1088-1092
    |
    Published online on: January 22, 2013
       https://doi.org/10.3892/ijo.2013.1784
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Abstract

We have previously shown that specific COX-2 inhibitors, including DuP 697, have anti-proliferative effects on mesothelioma cells and potentiate the cytotoxicity of pemetrexed. Here, we used a novel proteomic approach to explore the mechanism of action of this agent. COX-2-positive cell lines MSTO-211H (mesothelioma) and A549 (lung cancer) were exposed to DuP 697 for 72 h. Drug carrier only was added to control cells. Extracted proteins from treated and control cells were analysed using a comparative proteomic platform. Differentially expressed proteins, identified by the Panorama Xpress Profiler725 antibody microarray were submitted to Ingenuity Pathway Analysis. A total of 32 unique differentially expressed proteins were identified with a significant (>1.8-fold) difference in expression between treated and untreated cells in at least one cell line. Five molecules, BCL2L1 (Bcl-xL), BID, CHUK (IKK), FASLG and RAF1, were mapped to the Apoptosis Signaling pathway following Ingenuity Pathway Analysis. BCL2L1 (Bcl-xL) and BID were analysed using immuno­blotting and differential expression was confirmed. Proteomic (antibody microarray) analysis suggests that the mechanism of action of DuP 697 may be exerted via the induction of apoptosis. The antibody microarray platform can be utilised to explore the molecular mechanism of action of novel anticancer agents.
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Copy and paste a formatted citation
Spandidos Publications style
Agarwal V, Hodgkinson VC, Eagle GL, Scaife L, Lind MJ and Cawkwell L: Proteomic (antibody microarray) exploration of the molecular mechanism of action of the specific COX-2 inhibitor DuP 697. Int J Oncol 42: 1088-1092, 2013.
APA
Agarwal, V., Hodgkinson, V.C., Eagle, G.L., Scaife, L., Lind, M.J., & Cawkwell, L. (2013). Proteomic (antibody microarray) exploration of the molecular mechanism of action of the specific COX-2 inhibitor DuP 697. International Journal of Oncology, 42, 1088-1092. https://doi.org/10.3892/ijo.2013.1784
MLA
Agarwal, V., Hodgkinson, V. C., Eagle, G. L., Scaife, L., Lind, M. J., Cawkwell, L."Proteomic (antibody microarray) exploration of the molecular mechanism of action of the specific COX-2 inhibitor DuP 697". International Journal of Oncology 42.3 (2013): 1088-1092.
Chicago
Agarwal, V., Hodgkinson, V. C., Eagle, G. L., Scaife, L., Lind, M. J., Cawkwell, L."Proteomic (antibody microarray) exploration of the molecular mechanism of action of the specific COX-2 inhibitor DuP 697". International Journal of Oncology 42, no. 3 (2013): 1088-1092. https://doi.org/10.3892/ijo.2013.1784
Copy and paste a formatted citation
x
Spandidos Publications style
Agarwal V, Hodgkinson VC, Eagle GL, Scaife L, Lind MJ and Cawkwell L: Proteomic (antibody microarray) exploration of the molecular mechanism of action of the specific COX-2 inhibitor DuP 697. Int J Oncol 42: 1088-1092, 2013.
APA
Agarwal, V., Hodgkinson, V.C., Eagle, G.L., Scaife, L., Lind, M.J., & Cawkwell, L. (2013). Proteomic (antibody microarray) exploration of the molecular mechanism of action of the specific COX-2 inhibitor DuP 697. International Journal of Oncology, 42, 1088-1092. https://doi.org/10.3892/ijo.2013.1784
MLA
Agarwal, V., Hodgkinson, V. C., Eagle, G. L., Scaife, L., Lind, M. J., Cawkwell, L."Proteomic (antibody microarray) exploration of the molecular mechanism of action of the specific COX-2 inhibitor DuP 697". International Journal of Oncology 42.3 (2013): 1088-1092.
Chicago
Agarwal, V., Hodgkinson, V. C., Eagle, G. L., Scaife, L., Lind, M. J., Cawkwell, L."Proteomic (antibody microarray) exploration of the molecular mechanism of action of the specific COX-2 inhibitor DuP 697". International Journal of Oncology 42, no. 3 (2013): 1088-1092. https://doi.org/10.3892/ijo.2013.1784
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