Abstract
This study aimed to investigate the effect of circ_0000950/miR-103 network on regulating neuron apoptosis, neurite outgrowth and inflammation in Alzheimer's disease (AD). Cellular AD model of rat pheochromocytoma cell line PC12 cells and cellular AD model of rat cerebral cortex neurons were constructed, and the effect of circ_0000950 on apoptosis, neurite outgrowth and inflammation in both cellular AD models was determined through upregulation and knockdown of circ_0000950 expression by transfection. Compensation experiments and luciferase assay were further performed to validate the sponging effect of circ_0000950 on miR-103 as well as the mechanisms of circ_0000950/miR-103 on regulating apoptosis, neurite outgrowth and inflammation in both cellular AD models. Circ_0000950 reduced miR-103 expression and increased prostaglandin-endoperoxide synthase 2 (PTGS2) expression in both two cellular AD models. And circ_0000950 overexpression promoted neuron apoptosis, suppressed neurite outgrowth and elevated IL-1β, IL-6 and TNF-α levels compared with overexpression control, whereas circ_0000950 knockdown inhibited neuron apoptosis, enhanced neurite outgrowth and lowered IL-1β, IL-6 and TNF-α levels compared with shRNA control in both t...Continue Reading
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