Inhibition of Long Non-Coding RNA KCNQ1OT1 Attenuates Neuroinflammation and Neuronal Apoptosis Through Regulating NLRP3 Expression via Sponging miR-30e-3p

Aixia Song,1 Yuying Yang,2 Hongmei He,1 Jian Sun,1 Qing Chang,1 Qian Xue1 1Department of Neurology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei, 075000, People’s Republic of China; 2Stroke Office, The First Affiliated Hospital of Hebei North University, Zhan...

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Autores principales:	Song A, Yang Y, He H, Sun J, Chang Q, Xue Q
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2021
Materias:	nlrp3 kcnq1ot1 mir-30e-3p；neuroinflammation Pathology RB1-214 Therapeutics. Pharmacology RM1-950
Acceso en línea:	https://doaj.org/article/036830bd8e2f4c8492e8d0000a3810fc
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spelling	oai:doaj.org-article:036830bd8e2f4c8492e8d0000a3810fc2021-12-02T14:47:43ZInhibition of Long Non-Coding RNA KCNQ1OT1 Attenuates Neuroinflammation and Neuronal Apoptosis Through Regulating NLRP3 Expression via Sponging miR-30e-3p1178-7031https://doaj.org/article/036830bd8e2f4c8492e8d0000a3810fc2021-05-01T00:00:00Zhttps://www.dovepress.com/inhibition-of-long-non-coding-rna-kcnq1ot1-attenuates-neuroinflammatio-peer-reviewed-fulltext-article-JIRhttps://doaj.org/toc/1178-7031Aixia Song,1 Yuying Yang,2 Hongmei He,1 Jian Sun,1 Qing Chang,1 Qian Xue1 1Department of Neurology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei, 075000, People’s Republic of China; 2Stroke Office, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei, 075000, People’s Republic of ChinaCorrespondence: Qian XueDepartment of Neurology, The First Affiliated Hospital of Hebei North University, No. 12 Changqing Road, Qiaoxi District, Zhangjiakou, Hebei, 075000, People’s Republic of ChinaEmail qianyanxin7@163.comBackground: Neuroinflammation and neuronal apoptosis are considered as the critical factors in the pathogenesis of multiple neurological diseases. Recent studies have shown that long non-coding RNA (lncRNA) plays a crucial part in neuroinflammation and neuronal apoptosis.Methods: The expression levels of lncRNA KCNQ1OT1, miR-30e-3p and NLRP3 in lipopolysaccharide (LPS)-induced HMC3 cells were analyzed using RT-qPCR. MTT assay, LDH release assay and ELISA were used to assess the effect of KCNQ1OT1 and miR-30e-3p on neuroinflammation and neuronal apoptosis. The targeted regulatory relationships among KCNQ1OT1, miR-30e-3p and NLRP3 were evaluated by bioinformatics analysis, dual-luciferase reporter gene assay, RT-qPCR and Western blot.Results: In LPS-induced HMC3 cells, the expression levels of KCNQ1OT1 and NLRP3 were increased, while the expression level of miR-30e-3p was reduced. Knockdown of KCNQ1OT1 alleviated LPS-induced apoptosis and neuroinflammation of HMC3 cells, accompanied by increased cell viability, low LDH release and reduced cell apoptosis rate, and reduced levels of TNF-α, IL-1β and IL-6. Overexpression of miR-30e-3p had a similar effect. Additionally, KCNQ1OT1 could bind with miR-30e-3p and repress its expression in HMC3 cells, and KCNQ1OT1 overexpression counteracted miR-30e-3p’s inhibitory effect on LPS-induced neuronal damage and inflammatory response in HMC3 cells. Furthermore, KCNQ1OT1 could positively regulate the expression of NLRP3 via repressing miR-30e-3p.Conclusion: Inhibition of KCNQ1OT1 could reduce neuroinflammation and neuronal apoptosis induced by LPS in HMC3 cells by regulating miR-30e-3p/NLRP3 pathway, suggesting that KCNQ1OT1 and miR-30e-3p could serve as promising therapeutic targets for treating neurological diseases.Keywords: NLRP3, KCNQ1OT1, miR-30e-3p, neuroinflammationSong AYang YHe HSun JChang QXue QDove Medical Pressarticlenlrp3kcnq1ot1mir-30e-3p；neuroinflammationPathologyRB1-214Therapeutics. PharmacologyRM1-950ENJournal of Inflammation Research, Vol Volume 14, Pp 1731-1742 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	nlrp3 kcnq1ot1 mir-30e-3p；neuroinflammation Pathology RB1-214 Therapeutics. Pharmacology RM1-950
spellingShingle	nlrp3 kcnq1ot1 mir-30e-3p；neuroinflammation Pathology RB1-214 Therapeutics. Pharmacology RM1-950 Song A Yang Y He H Sun J Chang Q Xue Q Inhibition of Long Non-Coding RNA KCNQ1OT1 Attenuates Neuroinflammation and Neuronal Apoptosis Through Regulating NLRP3 Expression via Sponging miR-30e-3p
description	Aixia Song,1 Yuying Yang,2 Hongmei He,1 Jian Sun,1 Qing Chang,1 Qian Xue1 1Department of Neurology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei, 075000, People’s Republic of China; 2Stroke Office, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei, 075000, People’s Republic of ChinaCorrespondence: Qian XueDepartment of Neurology, The First Affiliated Hospital of Hebei North University, No. 12 Changqing Road, Qiaoxi District, Zhangjiakou, Hebei, 075000, People’s Republic of ChinaEmail qianyanxin7@163.comBackground: Neuroinflammation and neuronal apoptosis are considered as the critical factors in the pathogenesis of multiple neurological diseases. Recent studies have shown that long non-coding RNA (lncRNA) plays a crucial part in neuroinflammation and neuronal apoptosis.Methods: The expression levels of lncRNA KCNQ1OT1, miR-30e-3p and NLRP3 in lipopolysaccharide (LPS)-induced HMC3 cells were analyzed using RT-qPCR. MTT assay, LDH release assay and ELISA were used to assess the effect of KCNQ1OT1 and miR-30e-3p on neuroinflammation and neuronal apoptosis. The targeted regulatory relationships among KCNQ1OT1, miR-30e-3p and NLRP3 were evaluated by bioinformatics analysis, dual-luciferase reporter gene assay, RT-qPCR and Western blot.Results: In LPS-induced HMC3 cells, the expression levels of KCNQ1OT1 and NLRP3 were increased, while the expression level of miR-30e-3p was reduced. Knockdown of KCNQ1OT1 alleviated LPS-induced apoptosis and neuroinflammation of HMC3 cells, accompanied by increased cell viability, low LDH release and reduced cell apoptosis rate, and reduced levels of TNF-α, IL-1β and IL-6. Overexpression of miR-30e-3p had a similar effect. Additionally, KCNQ1OT1 could bind with miR-30e-3p and repress its expression in HMC3 cells, and KCNQ1OT1 overexpression counteracted miR-30e-3p’s inhibitory effect on LPS-induced neuronal damage and inflammatory response in HMC3 cells. Furthermore, KCNQ1OT1 could positively regulate the expression of NLRP3 via repressing miR-30e-3p.Conclusion: Inhibition of KCNQ1OT1 could reduce neuroinflammation and neuronal apoptosis induced by LPS in HMC3 cells by regulating miR-30e-3p/NLRP3 pathway, suggesting that KCNQ1OT1 and miR-30e-3p could serve as promising therapeutic targets for treating neurological diseases.Keywords: NLRP3, KCNQ1OT1, miR-30e-3p, neuroinflammation
format	article
author	Song A Yang Y He H Sun J Chang Q Xue Q
author_facet	Song A Yang Y He H Sun J Chang Q Xue Q
author_sort	Song A
title	Inhibition of Long Non-Coding RNA KCNQ1OT1 Attenuates Neuroinflammation and Neuronal Apoptosis Through Regulating NLRP3 Expression via Sponging miR-30e-3p
title_short	Inhibition of Long Non-Coding RNA KCNQ1OT1 Attenuates Neuroinflammation and Neuronal Apoptosis Through Regulating NLRP3 Expression via Sponging miR-30e-3p
title_full	Inhibition of Long Non-Coding RNA KCNQ1OT1 Attenuates Neuroinflammation and Neuronal Apoptosis Through Regulating NLRP3 Expression via Sponging miR-30e-3p
title_fullStr	Inhibition of Long Non-Coding RNA KCNQ1OT1 Attenuates Neuroinflammation and Neuronal Apoptosis Through Regulating NLRP3 Expression via Sponging miR-30e-3p
title_full_unstemmed	Inhibition of Long Non-Coding RNA KCNQ1OT1 Attenuates Neuroinflammation and Neuronal Apoptosis Through Regulating NLRP3 Expression via Sponging miR-30e-3p
title_sort	inhibition of long non-coding rna kcnq1ot1 attenuates neuroinflammation and neuronal apoptosis through regulating nlrp3 expression via sponging mir-30e-3p
publisher	Dove Medical Press
publishDate	2021
url	https://doaj.org/article/036830bd8e2f4c8492e8d0000a3810fc
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Inhibition of Long Non-Coding RNA KCNQ1OT1 Attenuates Neuroinflammation and Neuronal Apoptosis Through Regulating NLRP3 Expression via Sponging miR-30e-3p

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