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 su cient in the treatment of ATC, so alternative therapies are needed. The WST-1 assay test was performed to evaluate the anti-proliferative effects of Valproic acid (VPA). Also, Effect of VPA on miRNAs affecting histone deacetylase were determined by Quantitative RT-PCR. In BRAFV600E / mut SW1736 (SW1736) cell line IC50 dose for VPA 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 is 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 signi cantly. VPA can ad-just countless gene expression patterns, including microRNAs (miRNAs), by targeting histone deacetylase (HDAC). We got very promising results with VPA.
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. The WST-1 assay test was performed to evaluate the anti-proliferative effects of Valproic acid (VPA). Also, Effect of VPA on miRNAs affecting histone deacetylase were determined by Quantitative RT-PCR. In BRAFV600E / mut SW1736 (SW1736) cell line IC50 dose for VPA 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 is 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. VPA can ad-just countless gene expression patterns, including microRNAs (miRNAs), by targeting histone deacetylase (HDAC). We got very promising results with VPA.
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