Skip to main content

Advertisement

Log in

Diclofenac down-regulates COX-2 induced expression of CD44 and ICAM-1 in human HT29 colorectal cancer cells

  • Original Article
  • Published:
Naunyn-Schmiedeberg's Archives of Pharmacology Aims and scope Submit manuscript

Abstract

Cyclooxygenase-2 (COX-2) is expressed in a variety of human colorectal cancer cells and can contribute to carcinogenesis. This study aimed to investigate the effect of diclofenac (DCF), a selective COX-2 inhibitor, on cell adhesion molecules and apoptosis in human colon adenocarcinoma cells. Levels of homing cell adhesion molecule (H-CAM, CD44), intercellular adhesion molecule-1 (ICAM-1, CD54), vascular cell adhesion molecule-1 (VCAM-1, CD106), and epithelial cell adhesion molecule (EpCAM, CD326) were evaluated in cancer cells overexpressing (HT29) or not expressing (HCT116) COX-2. Cell viability was determined by MTT assay, COX-2 protein levels and activity were assessed by immunofluorescence and fluorometric analysis, respectively. Endogenous levels of polyunsaturated fatty acids (PUFAs) were measured by liquid chromatography-tandem mass spectrometry (LC–MS/MS) while expression of cell adhesion molecules was analyzed by flow cytometry. Annexin V–FITC/propidium iodide-labelling and fluorometric caspase-3 activity measurements were carried out to determine apoptosis. Flow cytometry analysis revealed that the percentage of CD44 and ICAM-1 staining in HCT116 cells was significantly lower compared to HT29 cells. In HT29 cells, phorbol 12-myristate 13-acetate (PMA) induced COX-2 expression and increased CD44 and ICAM-1 levels were down-regulated by diclofenac. Stimulation of COX-2 activity in HT29 cells via PMA significantly decreased diclofenac associated increase in PUFA levels. Treatment with both diclofenac and PMA significantly increased the number of apoptotic cells and caspase-3 activity in colon adenocarcinoma cells compared to control groups. In conclusion, diclofenac’s effect to retard colorectal tumor growth and metastasis occurs in COX-2 overexpressing colon cancer cells by increased apoptosis and decreased expression of CD44 and ICAM-1.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3
Fig. 4

Similar content being viewed by others

Data availability

The authors confirm that the data supporting the findings of this study are available within the article.

Code availability

Not applicable.

Abbreviations

AA:

: Arachidonic acid

AAD8:

: Deuterium-labeled AA

COX-2:

: Cyclooxygenase-2

COTCF:

: Cyclooxgenase-2

DCF:

: Diclofenac

DGLA:

: Dihomogamma-linolenic acid

DHA:

: Docosahexaenoic acid

DMSO:

: Dimethyl sulfoxide

DSCF:

: Dwass-Steel-Critchlow-Fligner

EPA:

: Eicosopentaenoic acid

EpCAM:

: Epithelial cell adhesion molecule

GSH:

: Glutathione

ICAM-1:

: Intercellular adhesion molecule -1

LC-MS/MS:

: Liquid chomatography-tandem mass spectrometry

MPT:

: Mitochondrial permeability transition

MRM:

: Multiple reaction monitoring

MS/MS:

: Tandem mass spectrometry

OPN:

: Osteopontin

PGG2:

: Hydroperoxy endoperoxide

PMA:

: Phorbol 12-myristate 13-acetate

PUFAs:

: Polyunsaturated fatty acids

UFLC:

: Ultrafast liquid chromatography

VCAM-1:

: Vascular cell adhesion molecule-1

References

Download references

Acknowledgements

The authors thank Dr. Sreeparna Banerjee for providing the cell lines.

Funding

This work was supported by a grant from Akdeniz University Research Foundation (TYL-2020–5435).

Author information

Authors and Affiliations

Authors

Contributions

The authors declare that all data were generated in-house and that no paper mill was used.

Tuğçe Çeker: investigation, formal analysis, validation

Çağatay Yilmaz: investigation, formal analysis, validation

Sadi Koksoy: conceptualization, methodology

Mutay Aslan: conceptualization, methodology, writing—reviewing and editing

Corresponding author

Correspondence to Mutay Aslan.

Ethics declarations

Ethics approval (include appropriate approvals or waivers)

Not applicable.

Consent to participate (include appropriate statements)

Not applicable.

Consent for publication

The authors give consent for the publication of the article and identifiable details (photographs, graphics, tables, and text) to be published in the Journal of Naunyn–Schmiedeberg’s Archives of Pharmacology.

Conflict of interest

The authors declare no competing interests.

Additional information

Publisher's note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Supplementary Information

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Yilmaz, Ç., Köksoy, S., Çeker, T. et al. Diclofenac down-regulates COX-2 induced expression of CD44 and ICAM-1 in human HT29 colorectal cancer cells. Naunyn-Schmiedeberg's Arch Pharmacol 394, 2259–2272 (2021). https://doi.org/10.1007/s00210-021-02139-6

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00210-021-02139-6

Keywords

Navigation