Abstract
Background
Thyroid cancer is the most common malignant tumor of the endocrine system seen in the thyroid gland. More than 90% of thyroid cancers comprise papillary thyroid cancer (PTC) and follicular thyroid cancer (FTC). Although anaplastic thyroid carcinoma (ATC) accounts for less than 2% of thyroid cancer. But patients’ lifespan after diagnosis is about 6 months. Surgical interventions, radioactive iodine use, and chemotherapy are not sufficient in the treatment of ATC, so alternative therapies are needed.
Methods and results
The WST-1 assay test was performed to evaluate the anti-proliferative effects of Valproic acid (VPA). Also, the effect of VPA on miRNAs affecting histone deacetylase was determined by Quantitative RT-PCR. In the SW1736 cell line, IC50 dose for VPA was found 1.6 mg/ml. In our study, the level of oncogenic genes expression in cells treated with VPA, including miR-184, miR-222-5p, miR-124-3p, and miR-328-3p, decreased. Also, the expression of tumor inhibitory genes including miR-323-5p, miR-182-5p, miR-138-5p, miR-217, miR-15a-5p, miR-29b-3p, miR-324-5p and miR-101-5p increased significantly.
Conclusions
VPA can ad-just countless gene expression patterns, including microRNAs (miRNAs), by targeting histone deacetylase (HDAC). However, further studies are required for more accurate results.
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All data obtained in the study can be accessed if desired.
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NG: Writing—original draft. NB, FS, and NO: Methodology. CK: Methodology, data curation. BB: Data curation, methodology. CA: Conceptualization, writing—review & editing. BS: Conceptualization, writing—original draft.
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Gunel, N.S., Birden, N., Kurt, C.C. et al. Effect of valproic acid on miRNAs affecting histone deacetylase in a model of anaplastic thyroid cancer. Mol Biol Rep 48, 6085–6091 (2021). https://doi.org/10.1007/s11033-021-06616-2
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DOI: https://doi.org/10.1007/s11033-021-06616-2