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Altered Expression of MiR-29a-3p and MiR-34a-5p by Specific Inhibition of GSK3β in the MPP Treated SH-SY5Y Parkinson's Model

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Date 2022 Jan 28
PMID 35087989
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Abstract

In the current study, the effects of 7-BIO as a specific GSK3β inhibitor was examined on cell survival and expression of miR-29a-3p and miR-34a-5p in neurotoxin MPP treated SH-SY5Y cells. Our findings revealed that while co-treatment of the cells with 7-BIO and MPP did not alter the toxicity induced by MPP, pretreatment with 3.5 μM 7-BIO for 6 h increased the survival of the 2 mM MPP treated cells. Also, qRT-PCR analysis of gene expression showed that while miR-29a-3p was unchanged in cells treated with either 2 mM MPP or 3.5 μM 7-BIO alone, miR-34a-5p was increased by MPP but decreased by 7-BIO. Pretreatment with 3.5 μM 7-BIO prior to MPP however, increased miR-29a-3p but decreased miR-34a-5p induced by MPP. We therefore suggest that 7-BIO inhibition of GSK3β alleviates the MPP induced neurotoxicity by regulating miR-29a-3p and miR-34a-5p expressions in Parkinson's disease model SH-SY5Y cells.

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PMID: 38033547 PMC: 10684698. DOI: 10.3389/fnins.2023.1174951.

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