Abstract

Aim: To identify lncRNAs targeting GSK3β in MDD. Materials & methods: The levels of GSK3β and its three targeting lncRNAs (gsk3β antisense AS1, AS2 and AS3) were detected in 52 patients with major depressive disorder (MDD)before and after 8weeks of escitalopram treatment. The functional study was evaluated using the silence of lncR-gsk3βAS2/3. The correlation between lncRNA-gsk3β and 89 MDD patients was analyzed. Human neuron progenitor cellswere used to investigate the functional role of lncRNA-gsk3β in MDD. Results: All three lncRNAs were downregulated in MDD patients but upregulated after treatment. Inhibition of gsk3βAS2/3 reduced GSK3β expression and its phosphorylation levels in the neuron progenitor cells. Conclusion: Our findings suggestthat lncRNA-gsk3βAS3 regulates GSK3β activity in MDD and has potential as a novel therapeutic target.

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