Activity of aspirin analogues and vanillin in a human colorectal cancer cell line

  • Authors:
    • Jolly Deb
    • Harpreet Dibra
    • Song Shan
    • Sujith Rajan
    • Jainaba Manneh
    • Chandra S. Kankipati
    • Chris J. Perry
    • Iain D. Nicholl
  • View Affiliations

  • Published online on: May 25, 2011     https://doi.org/10.3892/or.2011.1320
  • Pages: 557-565
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Abstract

Colorectal cancer is the third most common cancer and is associated with significant morbidity and mortality. Epidemiological and animal studies indicate that regular acetylsalicylic acid (aspirin) intake is associated with a reduction in the incidence of colorectal cancer. Acetylsalicylic acid (ASA) has also been shown to inhibit colorectal cancer cell proliferation in vitro. The molecular basis for this specific cytotoxicity is an area of considerable debate. To investigate the toxicity of salicylates, the sensitivity of the DNA mismatch repair proficient SW480 human colorectal cancer cell line to four categories of compounds with varying degrees of structural similarity to acetylsalicylic acid was tested. These compounds were: i) salicylic acid analogues with substituents at the 5-position; ii) ASA analogues with extended chain lengths in the acyl group; iii) vanillin (4-hydroxy-3-methoxybenzaldehyde; and iv) bis(2-carboxyphenyl) succinate (BCS) and structurally similar derivatives thereof. It was found that compounds with amino and acetamido substituents at the salicylate 5-position were less toxic than ASA itself. Modifications to the length of the hydrocarbon chain in the acyl groups of ASA analogues also marginally reduced toxicity. Vanillin exhibited relatively limited toxicity against the SW480 colorectal cancer cell line. Commercially available and in-house synthesised BCS (diaspirin) were notably more inhibitory to cell growth than ASA itself, yet retained substantial specificity against colorectal cancer cell lines vs. non-colorectal cancer cell lines. BCS and ASA were toxic to SW480 cells through initiation of necrotic and apoptotic pathways. Fumaroyldiaspirin and benzoylaspirin exhibited greater toxicity than ASA against the SW480 cell line. A novel method for synthesis of BCS, a compound that has erratic commercial availability, is described. We propose that the anti-inflammatory and anticancer capacity of BCS and the other analogues described herein is worthy of investigation.

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September 2011
Volume 26 Issue 3

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Online ISSN:1791-2431

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Spandidos Publications style
Deb J, Dibra H, Shan S, Rajan S, Manneh J, Kankipati CS, Perry CJ and Nicholl ID: Activity of aspirin analogues and vanillin in a human colorectal cancer cell line. Oncol Rep 26: 557-565, 2011
APA
Deb, J., Dibra, H., Shan, S., Rajan, S., Manneh, J., Kankipati, C.S. ... Nicholl, I.D. (2011). Activity of aspirin analogues and vanillin in a human colorectal cancer cell line. Oncology Reports, 26, 557-565. https://doi.org/10.3892/or.2011.1320
MLA
Deb, J., Dibra, H., Shan, S., Rajan, S., Manneh, J., Kankipati, C. S., Perry, C. J., Nicholl, I. D."Activity of aspirin analogues and vanillin in a human colorectal cancer cell line". Oncology Reports 26.3 (2011): 557-565.
Chicago
Deb, J., Dibra, H., Shan, S., Rajan, S., Manneh, J., Kankipati, C. S., Perry, C. J., Nicholl, I. D."Activity of aspirin analogues and vanillin in a human colorectal cancer cell line". Oncology Reports 26, no. 3 (2011): 557-565. https://doi.org/10.3892/or.2011.1320