Title : Effect of Valproic Acid on the Class I Histone Deacetylase 1, 2 and 3, Tumor Suppressor Genes p21WAF1/CIP1 and p53, and Intrinsic Mitochondrial Apoptotic Pathway, Pro- (Bax, Bak, and Bim) and anti- (Bcl-2, Bcl-xL, and Mcl-1) Apoptotic Genes Expression, Cell Viability, and Apoptosis Induction in Hepatocellular Carcinoma HepG2 Cell Line.

Pub. Date : 2021 Feb 1

PMID : 33576217






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1 Effect of Valproic Acid on the Class I Histone Deacetylase 1, 2 and 3, Tumor Suppressor Genes p21WAF1/CIP1 and p53, and Intrinsic Mitochondrial Apoptotic Pathway, Pro- (Bax, Bak, and Bim) and anti- (Bcl-2, Bcl-xL, and Mcl-1) Apoptotic Genes Expression, Cell Viability, and Apoptosis Induction in Hepatocellular Carcinoma HepG2 Cell Line. Valproic Acid cyclin dependent kinase inhibitor 1A Homo sapiens
2 Previously, we reported the effect of valproic acid (VPA) and trichostatin A (TSA) on TSGs p21WAF1/CIP1 (p21), p27Kip1 (p27), and p57Kip2 (P57) and also HDAC1 in colon cancer. Valproic Acid cyclin dependent kinase inhibitor 1A Homo sapiens
3 Previously, we reported the effect of valproic acid (VPA) and trichostatin A (TSA) on TSGs p21WAF1/CIP1 (p21), p27Kip1 (p27), and p57Kip2 (P57) and also HDAC1 in colon cancer. Valproic Acid cyclin dependent kinase inhibitor 1A Homo sapiens
4 Previously, we reported the effect of valproic acid (VPA) and trichostatin A (TSA) on TSGs p21WAF1/CIP1 (p21), p27Kip1 (p27), and p57Kip2 (P57) and also HDAC1 in colon cancer. Valproic Acid cyclin dependent kinase inhibitor 1A Homo sapiens
5 Previously, we reported the effect of valproic acid (VPA) and trichostatin A (TSA) on TSGs p21WAF1/CIP1 (p21), p27Kip1 (p27), and p57Kip2 (P57) and also HDAC1 in colon cancer. Valproic Acid cyclin dependent kinase inhibitor 1A Homo sapiens
6 RESULTS: VPA downregulated class I histone deacetylase (HDAC) 1, 2, and 3, Bcl-2, Bcl-xL, and Mcl-1 and upregulated p21, p53, Bax, Bak, and Bim resulting in apoptosis induction. Valproic Acid cyclin dependent kinase inhibitor 1A Homo sapiens
7 CONCLUSION: VPA can induce apoptosis via activation of the intrinsic mitochondrial apoptotic pathway and also epigenetic reactivation of p21 and p53 through inhibition of class I HDAC 1, 2 and 3, activity.<br />. Valproic Acid cyclin dependent kinase inhibitor 1A Homo sapiens