Abstract
To elucidate the potential molecular mechanisms of ZBTB20-AS1 on ZBTB20 and GSK-3β/Tau signaling pathway in the pathogenesis of Alzheimer's disease (AD), SH-SY5Y cells were obtained for in vitro experiments and AD models were constructed using β-Amyloid 1–42. CCK8 assay was implemented for determining cell viability. Flow cytometry was used for cell apoptosis detection. Dual-luciferase reporter and RNA-RNA pull down assay was employed for elucidating molecular interactions. Immunohistochemistry, RT-qPCR and western blotting were performed for measuring gene expression. The results showed that expression of LncRNA ZBTB20-AS1 was significantly upregulated, while ZBTB20 was downregulated in SH-SY5Y-AD cells. ZBTB20 was the target gene of LncRNA ZBTB20-AS1. Overexpression of ZBTB20 or knockdown of LncRNA ZBTB20-AS1 inhibited SH-SY5Y-AD cells apoptosis and suppressed GSK3β/Tau pathway, and knockdown of ZBTB20-AS1 increased cell viability and decreased apoptosis. In conclusion, overexpression of ZBTB20-AS1 inhibited ZBTB20 expression and promoted GSK-3β expression and Tau phosphorylation, contributing to the development of AD.
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