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Effects of nutraceuticals on anaplastic thyroid cancer cells

  • Original Article – Cancer Research
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Journal of Cancer Research and Clinical Oncology Aims and scope Submit manuscript

Abstract

Purpose

The anaplastic thyroid carcinoma (ATC) is the most aggressive thyroid cancer with a high mortality rate. Since nutraceuticals may exert beneficial effects on tumor biology, here, effects of four of these compounds [resveratrol, genistein, curcumin and epigallocatechin-3-gallate (EGCG)] on ATC cell lines were investigated.

Methods

Two ATC-derived cell lines were used: SW1736 and 8505C. Cell viability and in vitro aggressiveness was tested by MTT and soft agar assays. Apoptosis was investigated by Western Blot, using an anti-cleaved-PARP antibody. mRNA and miRNA levels were quantified by real-time PCR.

Results

All tested nutraceuticals caused in both cell lines decrease of cell viability and increase of apoptosis. In contrast, only curcumin reduced in vitro aggressiveness in both SW1736 and 8505C cell lines, while genistein and EGCG determined a reduction of colony formation only in 8505C cells. Effects on genes related to the thyroid-differentiated phenotype were also tested: resveratrol and genistein administration determined the increment of almost all tested mRNAs in both cell lines. Instead curcumin and EGCG treatments had opposite effects in the two cell lines, causing the increment of almost all the mRNAs in 8505C cells and their reduction in SW1736. Finally, effects of nutraceuticals on levels of several miRNAs, known as important in thyroid cancer progression (hsa-miR-221, hsa-miR-222, hsa-miR-21, hsa-miR-146b, hsa-miR-204), were tested. Curcumin induced a strong and significant reduction of all miR analyzed, except for has-miR-204, in both cell lines.

Conclusions

Altogether, our results clearly indicate the anti-cancer proprieties of curcumin, suggesting the promising use of this nutraceutical in ATC treatment. Resveratrol, genistein and EGCG have heterogeneous effects on molecular features of ATC cells.

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Authors

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Correspondence to Federica Baldan.

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Funding

This work was supported from MIUR (PRIN 2015, project n° 2015HPMLFY-011) and a grant from Ministero degli Affari Esteri of Italy (Progetti grande rilevanza 2016, project n° PGR02954). FB is supported by an AIRC (Associazione Italiana per la Ricerca sul Cancro) fellowship (Rif. 19,481).

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any study with human or animals performed by the authors.

Informed consent

No human participants were used in this study.

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Allegri, L., Rosignolo, F., Mio, C. et al. Effects of nutraceuticals on anaplastic thyroid cancer cells. J Cancer Res Clin Oncol 144, 285–294 (2018). https://doi.org/10.1007/s00432-017-2555-7

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  • DOI: https://doi.org/10.1007/s00432-017-2555-7

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