scholarly journals The Long Non-Coding RNA SNHG1 Attenuates Cell Apoptosis by Regulating miR-195 and BCL2-Like Protein 2 in Human Cardiomyocytes

2018 ◽  
Vol 50 (3) ◽  
pp. 1029-1040 ◽  
Author(s):  
Ning Zhang ◽  
Xin Meng ◽  
Lijun Mei ◽  
Jian Hu ◽  
Chedong Zhao ◽  
...  
Keyword(s):  
Cell Viability ◽  
Cell Apoptosis ◽  
Molecular Mechanisms ◽  
Caspase 3 ◽  
Heart Diseases ◽  
Cardiomyocyte Apoptosis ◽  
Luciferase Reporter ◽  
H2o2 Treatment ◽  
Human Cardiomyocytes

Background/Aims: Long non-coding RNAs (lncRNAs) are theorized to play key roles in the development of heart diseases. However, the role of lncRNAs in cardiomyocyte apoptosis is largely unknown. The present study examined the role of lncRNA SNHG1 in the human cardiomyocytes (HCMs) apoptosis and explored the underlying molecular mechanisms. Methods: SNHG1, miR-195 and mRNA expression was detected by qRT-PCR; protein level was determined by western blot; cell viability was detected by MTT assay; cell apoptosis was evaluated by flow cytometry and caspase-3 activity assay; the interaction between SNHG1 and miR195 was examined by using luciferase reporter assay. Results: Hydrogen peroxide (H2O2) treatment significantly suppressed cell viability and increased cell apoptotic rate and caspase-3 activity in HCMs. Overexpression of SNHG1 attenuated the effects of H2O2 on HCMs viability and apoptosis; while SNHG1 exerted the opposite effects. SNHG1 was found to sponge miR-195 and suppress the expression of miR-195 in HCMs. Overexpression of miR-195 suppressed cell viability and induced apoptosis in HCMs, and miR-195 was found to negatively regulate the expression of BCL-2 like protein 2 (BCL2L2) via targeting its 3’ untranslated region. Overexpression of BCL2L2 partially reversed the effects of miR-195 overexpression on cell viability and cell apoptosis of HCMs. MiR-195 overexpression or BCL2L2 knockdown attenuated the effects of SNHG1 overexpression on cell viability, cell apoptosis and protein levels of cleaved caspase-3, cleaved caspase-9 and Bax in H2O2-treated HCMs. Conclusion: Our results suggest a novel SNHG1/miR-195/BCL2L2 axis in the regulation of cardiomyocyte apoptosis. Modulation of SNHG1 may represent a novel strategy to treat cardiomyocyte apoptosis-related heart diseases.

scholarly journals Silencing of MEG3 attenuated the role of lipopolysaccharides by modulating the miR-93-5p/PTEN pathway in Leydig cells

2021 ◽  
Vol 19 (1) ◽  
Author(s):  
Xu Zhou ◽  
Jingliang He ◽  
Jinbo Chen ◽  
Yu Cui ◽  
Zhenyu Ou ◽  
...  
Keyword(s):  
Cell Viability ◽  
Cell Apoptosis ◽  
Leydig Cells ◽  
Treatment Strategies ◽  
Pten Expression ◽  
Luciferase Reporter ◽  
Western Blots ◽  
New Treatment ◽  
Lps Treatment

Abstract Background Leydig cells reflect the activation of inflammation, decrease of androgen production, inhibition of cell growth and promotion of cell apoptosis under orchitis. Maternally expressed gene 3 (MEG3) exerts a crucial role in various human diseases, but under orchitis, the role and underlying molecular mechanism of MEG3 in Leydig cells remain unclear. Methods Lipofectamine 2000 was used for the cell transfections. qPCR and western blots assay were applied to assess the gene expression. ELISA assay was used to measure the TNFα, IL6 and testosterone secretion. CCK8 and EdU assay was employ to test the cell viability and proliferation respectively. Luciferase reporter and RIP assay were introduced to detect the binding of miR-93-5p with MEG3 and PTEN. Results Lipopolysaccharides (LPS) induced TNFα and IL6 secretion, lowered testosterone production, inhibited cell viability and proliferation, and induced cell apoptosis in Leydig cells. MEG3 was upregulated in Leydig cells treated with LPS and that knockdown of MEG3 inhibited the role of LPS in Leydig cells. MEG3 absorbed miR-93-5p and that suppression of miR-93-5p restored the role of silenced MEG3 in Leydig cells under LPS treatment. miR-93-5p inhibited PTEN expression and that over-expressed PTEN alleviated the effect of miR-93-5p in Leydig cells treated with LPS. LPS activated the MEG3/miR-93-5p/PTEN signalling pathway in Leydig cells. Conclusions This study revealed that MEG3 serves as a molecular sponge to absorb miR-93-5p, thus leading to elevation of PTEN expression in Leydig cells under LPS treatment, offering a theoretical basis on which to establish potential new treatment strategies for orchitis.

Overexpression of miR-431 attenuates hypoxia/reoxygenation-induced myocardial damage via autophagy-related 3

2020 ◽  
Author(s):  
Kang Zhou ◽  
Yan Xu ◽  
Qiong Wang ◽  
Lini Dong
Keyword(s):  
Cell Viability ◽  
Cell Apoptosis ◽  
Myocardial Injury ◽  
Ischemia Reperfusion Injury ◽  
Ischemia Reperfusion ◽  
Myocardial Damage ◽  
Protective Role ◽  
Human Cardiomyocytes ◽  
Hypoxia Reoxygenation

Abstract Myocardial injury is still a serious condition damaging the public health. Clinically, myocardial injury often leads to cardiac dysfunction and, in severe cases, death. Reperfusion of the ischemic myocardial tissues can minimize acute myocardial infarction (AMI)-induced damage. MicroRNAs are commonly recognized in diverse diseases and are often involved in the development of myocardial ischemia/reperfusion injury. However, the role of miR-431 remains unclear in myocardial injury. In this study, we investigated the underlying mechanisms of miR-431 in the cell apoptosis and autophagy of human cardiomyocytes in hypoxia/reoxygenation (H/R). H/R treatment reduced cell viability, promoted cell apoptotic rate, and down-regulated the expression of miR-431 in human cardiomyocytes. The down-regulation of miR-431 by its inhibitor reduced cell viability and induced cell apoptosis in the human cardiomyocytes. Moreover, miR-431 down-regulated the expression of autophagy-related 3 (ATG3) via targeting the 3ʹ-untranslated region of ATG3. Up-regulated expression of ATG3 by pcDNA3.1-ATG3 reversed the protective role of the overexpression of miR-431 on cell viability and cell apoptosis in H/R-treated human cardiomyocytes. More importantly, H/R treatments promoted autophagy in the human cardiomyocytes, and this effect was greatly alleviated via miR-431-mimic transfection. Our results suggested that miR-431 overexpression attenuated the H/R-induced myocardial damage at least partly through regulating the expression of ATG3.

scholarly journals Long noncoding RNA-MEG3 contributes to myocardial ischemia–reperfusion injury through suppression of miR-7-5p expression

2019 ◽  
Vol 39 (8) ◽  
Author(s):  
Liyuan Zou ◽  
Xiaokun Ma ◽  
Shuo Lin ◽  
Bingyuan Wu ◽  
Yang Chen ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Cell Apoptosis ◽  
Long Noncoding Rna ◽  
Noncoding Rna ◽  
Caspase 3 ◽  
Ischemia Reperfusion Injury ◽  
Cell Model ◽  
Ischemia Reperfusion ◽  
Luciferase Reporter

Abstract Long noncoding RNA (lncRNA) maternally expressed gene 3 (MEG3) plays an important role in protection of ischemia–reperfusion (I/R) injury in brain and liver. However, role of MEG3 in myocardial I/R injury remains unclear. Here, the role of MEG3 in protection of myocardial I/R injury and its association with microRNA-7-5p (miR-7-5p) was investigated using rat cardiac I/R model and myocardial I/R cell model. Our results showed that MEG3 was significantly up-regulated and miR-7-5p was significantly down-regulated after I/R. Following I/R, the levels of intact PARP and intact caspase-3 were reduced, while the cleaved fragments of PARP and caspase-3 were increased. TUNEL assay showed an increase in cardiomyocyte apoptosis after I/R. The levels of I/R-induced creatine kinase (CK) and lactate dehydrogenase (LDH) were inhibited by knockdown of MEG3 (siMEG3). SiMEG3 increased cell proliferation and inhibited cell apoptosis after I/R. In contrast, overexpression of MEG3 increased the I/R-induced CK and LDH activities and cell apoptosis and decreased cell proliferation. The dual-luciferase reporter system showed a direct binding of MEG3 to miR-7-5p. The level of miR-7-5p was negatively associated with the change in levels of MEG3 in H9c2 cells. The levels of intact RARP1 and caspase-3 were significantly increased by knockdown of MEG3. Co-transfection of miR-7-5p inhibitor with siMEG3 activates CK and LDH, significantly decreased cell proliferation, increased cell apoptosis, and decreased intact poly(ADP-ribose) polymerase 1 (PARP1) and caspase-3. In summary, down-regulation of MEG3 protects myocardial cells against I/R-induced apoptosis through miR-7-5p/PARP1 pathway, which might provide a new therapeutic target for treatment of myocardial I/R injury.

scholarly journals Long Noncoding RNA SOX2-OT Exacerbates Hypoxia-Induced Cardiomyocytes Injury by Regulating miR-27a-3p/TGFβR1 Axis

2020 ◽  
Vol 2020 ◽  
pp. 1-11 ◽  
Author(s):  
Guang Yang ◽  
Chunsheng Lin
Keyword(s):  
Heart Failure ◽  
Cell Apoptosis ◽  
Long Noncoding Rna ◽  
Noncoding Rna ◽  
Heart Diseases ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Cellular Processes ◽  
Wide Range

Background. Myocardial infarction (MI) was a severe cardiovascular disease resulted from acute, persistent hypoxia, or ischemia condition. Additionally, MI generally led to heart failure, even sudden death. A multitude of research studies proposed that long noncoding RNAs (lncRNAs) frequently participated in the regulation of heart diseases. The specific function and molecular mechanism of SOX2-OT in MI remained unclear. Aim of the Study. The current research was aimed to explore the role of SOX2-OT in MI. Methods. Bioinformatics analysis (DIANA tools and Targetscan) and a wide range of experiments (CCK-8, flow cytometry, RT-qPCR, luciferase reporter, RIP, caspase-3 activity, trans-well, and western blot assays) were adopted to investigate the function and mechanism of SOX2-OT. Results. We discovered that hypoxia treatment decreased cell viability but increased cell apoptosis. Besides, lncRNA SOX2-OT expression was upregulated in hypoxic HCMs. Hereafter, we confirmed that SOX2-OT could negatively regulate miR-27a-3p levels by directly binding with miR-27a-3p, and miR-27a-3p also could negatively regulate SOX2-OT levels. Furthermore, knockdown of SOX2-OT promoted cell proliferation, migration, and invasion, but limited cell apoptosis. However, these effects were reversed by anti-miR-27a-5p. Besides, we verified that miR-27a-3p binding with the 3′UTR of TGFBR1 and SOX2-OT regulated TGFβR1 level by collaborating with miR-27a-3p in HCMs. Eventually, rescue assays validated that the influence of SOX2-OT silence or miR-27a-3p overexpression on cellular processes in cardiomyocytes injury was counteracted by TGFBR1 overexpression. Conclusions. Long noncoding RNA SOX2-OT exacerbated hypoxia-induced cardiomyocytes injury by regulating miR-27a-3p/TGFβR1 axis, which may provide a novel insight for heart failure treatment.

scholarly journals Silencing of MEG3 attenuated the role of lipopolysaccharides by modulating the miR-93-5p/PTEN pathway in Leydig cells

2020 ◽  
Author(s):  
Xu Zhou ◽  
Jingliang He ◽  
Jinbo Chen ◽  
Yu Cui ◽  
Zhenyu Ou ◽  
...  
Keyword(s):  
Cell Viability ◽  
Cell Apoptosis ◽  
Leydig Cells ◽  
Treatment Strategies ◽  
Pten Expression ◽  
Luciferase Reporter ◽  
Western Blots ◽  
New Treatment ◽  
Lps Treatment

Abstract BackgroundLeydig cells reflect the activation of inflammation, decrease of androgen production, inhibition of cell growth and promotion of cell apoptosis under orchitis. Maternally expressed gene 3 (MEG3) exerts a crucial role in various human diseases, but under orchitis, the role and underlying molecular mechanism of MEG3 in Leydig cells remain unclear.MethodsLipofectamine 2000 was used for the cell transfections. qPCR and western blots assay were applied to assess the gene expression. ELISA assay was used to measure the TNFα, IL6 and testosterone secretion. CCK8 and EdU assay was employ to test the cell viability and proliferation respectively. Luciferase reporter and RIP assay were introduced to detect the binding of miR-93-5p with MEG3 and PTEN.ResultsLipopolysaccharides (LPS) induced TNFα and IL6 secretion, lowered testosterone production, inhibited cell viability and proliferation, and induced cell apoptosis in Leydig cells. MEG3 was upregulated in Leydig cells treated with LPS and that knockdown of MEG3 inhibited the role of LPS in Leydig cells. MEG3 absorbed miR-93-5p and that suppression of miR-93-5p restored the role of silenced MEG3 in Leydig cells under LPS treatment. miR-93-5p inhibited PTEN expression and that over-expressed PTEN alleviated the effect of miR-93-5p in Leydig cells treated with LPS. LPS activated the MEG3/miR-93-5p/PTEN signalling pathway in Leydig cells. ConclusionsThis study revealed that MEG3 serves as a molecular sponge to absorb miR-93-5p, thus leading to elevation of PTEN expression in Leydig cells under LPS treatment, offering a theoretical basis on which to establish potential new treatment strategies for orchitis.

scholarly journals Inhibition of lncRNA SNHG20 improves Angiotensin II-induced cardiac fibrosis and hypertrophy by regulating the miR-335/ Galectin-3 axis

2021 ◽  
Author(s):  
Mingyang Li ◽  
Chunli Qi ◽  
Renxing Song ◽  
Chunming Xiong ◽  
Xiao Zhong ◽  
...  
Keyword(s):  
Angiotensin Ii ◽  
Cell Viability ◽  
Noncoding Rna ◽  
Caspase 3 ◽  
Cardiac Fibrosis ◽  
Heart Diseases ◽  
Luciferase Reporter ◽  
Expression Levels ◽  
Galectin 3 ◽  
Related Proteins

Cardiac fibrosis is a hallmark of various heart diseases and ultimately leads to heart failure. Although long noncoding RNA (lncRNA) SNHG20 has been reported to play important roles in various cancers, its function in cardiac fibrosis remains unclear. The expression of SNHG20 and miR-335 in heart tissues of Angiotensin II induced mice and Angiotensin II stimulated mouse cardiomyocyte cell line HL-1 were detected by qRT-PCR. Cell viability was evaluated by CCK-8 assay. The expression of Galectin-3, fibrosis-related proteins (Fibronectin, Collagen IaI and α-SMA) and apoptosis-related proteins (Cleaved Caspase-3 and Cleaved PARP) were detected by Western blot. Bioinformatics prediction, luciferase reporter assay and RNA pull down assay were performed to determine the relationship between SNHG20 and miR-335, as well as miR-335 and Galectin-3 . Gain- and loss-function assays were performed to determine the role of SNHG20 /miR-335/ Galectin-3 in cardiac fibrosis. SNHG20 was significantly upregulated, and miR-335 was downregulated in heart tissues of Angiotensin II treated mice and Angiotensin II stimulated HL-1 cells. Downregulation of SNHG20 effectively enhanced cell viability, while decreased cell size of HL-1 cells and the expression levels of fibrosis-related proteins (Fibronectin, Collagen IaI and α-SMA) and apoptosis-related proteins (Cleaved Caspase-3 and Cleaved PARP), which was induced by Angiotensin II treatment. Furthermore, SNHG20 elevated the expression levels of Galectin-3 by directly regulating miR-335. Our study revealed that downregulation of SNHG20 improved Angiotensin II-induced cardiac fibrosis by targeting the miR-335/ Galectin-3 axis, suggesting that SNHG20 may be a potential therapeutic target for cardiac fibrosis and hypertrophy.

microRNA-133b Regulates Cell Proliferation and Cell Cycle Progression via Targeting HuR in Colorectal Cancer

2022 ◽  
Vol 12 (2) ◽  
pp. 335-345
Author(s):  
Xiaoyan Zhang ◽  
Wei Zhu ◽  
Junjie Lu
Keyword(s):  
Colorectal Cancer ◽  
Cell Cycle ◽  
Cell Viability ◽  
Cell Lines ◽  
Cell Apoptosis ◽  
Quantitative Polymerase Chain Reaction ◽  
Luciferase Reporter ◽  
Protein Levels ◽  
Ht 29

MicroRNAs (miRNAs/miRs) have been identified to serve a key role in the development of tumors. However, the role of miR-133b in colorectal cancer (CRC) remains largely unclear. This study will investigate the role and mechanism of miR-133b in CRC. Reverse transcription-quantitative polymerase chain reaction analysis was performed to detect the level of miR-133b in CRC cell lines. Bioinformatics software TargetScan predicted the potential target genes of miR-133b, and a dual luciferase reporter assay was used to confirm this. To investigate the role of miR-133b in CRC cells, miR-133b was upregulated or downregulated in CRC cell lines (SW620 and HT-29) by transfecting with a miR-133b mimic or inhibitor, respectively. Subsequently, cell viability was analyzed using MTT assay, whereas cell apoptosis and the cell cycle distribution were analyzed by flow cytometry. In addition, the associated protein levels were detected using western blot analysis. The results demonstrated that miR-133b was significantly downregulated in CRC cell lines when compared with the normal colonic epithelial NCM-460 cell line. Human antigen R (HuR; also termed ELAVL1) was demonstrated to be a direct target of miR-133b and was negatively regulated by miR-133b. HuR was also notably upregulated in the CRC cell lines when compared with the normal control. Transfection of SW620 and HT-29 cells with the miR-133b mimic significantly inhibited cell viability, and induced cell apoptosis and G1 phase arrest, while upregulation of HuR demonstrated the opposite effects. Furthermore, the present data demonstrated that the miR-133b mimic significantly enhanced the protein levels of p21 and p27, and downregulated cyclin D1 and cyclin A levels in SW620 and HT-29 cells; the opposite effects were observed following treatment with the miR-133b inhibitor. In conclusion, the data indicate that miR-133b suppressed CRC cell growth by targeting HuR.

scholarly journals The Inhibition of Long Non-Coding RNA CAR10 and The Regulation of miR-203 Expression Suppresses Cell Viability and Induces Cell Apoptosis in Prostate Cancer

2020 ◽  
Author(s):  
Liansheng Zhang ◽  
Yougan Chen ◽  
Zhenjie Wang ◽  
Qiang Xia
Keyword(s):  
Prostate Cancer ◽  
Cell Viability ◽  
Cell Apoptosis ◽  
Caspase 3 ◽  
Quantitative Polymerase Chain Reaction ◽  
Luciferase Reporter ◽  
Qrt Pcr ◽  
Non Coding Rna ◽  
Gene Assay ◽  
Long Non Coding Rna

Abstract Background: Prostate cancer (PC) is one of the most common malignant tumors. Recently, it has been reported that long noncoding RNAs (lncRNAs) play key roles in tumor progression. Studies have revealed that long non-coding RNA CAR10 (CAR10) can regulate tumor cell behaviors through sponging miR-203. In this study, we examined the effects of CAR10 in PC cells. Methods: Firstly, real time-quantitative polymerase chain reaction (qRT-PCR) was used to explore CAR10 expression in tumor tissues, peripheral blood of PC patients, and PC cells. We used the dual-luciferase reporter gene assay to analyze the relationship between CAR10 and miR-203. Moreover, flow cytometry, MTT assay, and western blot assay were used to determine cell apoptosis, cell viability, and apoptosis-related protein expression. Results: The results showed that CAR10 expression was remarkably higher in PC samples compared with that of control, and CAR10 regulated miR-203 negatively in PC cells. The qRT-PCR results also showed that miR-203 expression was significantly decreased in PC samples. Moreover, knockdown of CAR10 inhibited PC cell viability and promoted cleaved caspase-3 expression but induced PC cell apoptosis and, reduced pro-caspase-3 expression; miR-203 inhibitor reversed these effects. Conclusion: Our study found that CAR10 is a potential oncogene in PC and suggests that CAR10 inhibition could inhibit PC cell viability but promote PC cell apoptosis through regulating miR-203 expression. Our results show that CAR10 is a potential target for the treatment of PC.

scholarly journals LncRNA SNHG1 protects the cardiac muscle cells from hypoxia/ re-oxygenation injury in vitro by targeting microRNA-21-5p and miR-30a-5p

2021 ◽  
Vol 20 (1) ◽  
pp. 89-94
Author(s):  
Youbin Liu ◽  
Tingting Zang ◽  
Ying Fan ◽  
Jinglong Li ◽  
Meng Chen ◽  
...  
Keyword(s):  
Cardiovascular Diseases ◽  
Cell Viability ◽  
Cardiac Muscle ◽  
Cell Apoptosis ◽  
Noncoding Rna ◽  
Molecular Mechanisms ◽  
Muscle Cells ◽  
Protective Role ◽  
Luciferase Reporter ◽  
Cardiac Muscle Cells

Purpose: Cardiovascular diseases are responsible for numerous deaths globally. Long noncoding RNA SNHG1 has presented its protective role in cardiomyocytes previously. Herein, we examined the underlying molecular mechanisms of SNHG1 in cardiac muscle cells from hypoxia and re-oxygenation (H/R) in vitro.Methods: RT-qPCR measured expression of SNHG1, miR-21-5p and miR-30a-5p in rat cardiac muscle cell line HL-1 before and after H/R treatment and cell transfection, which was applied to regulate expression of SNHG1, miR-21-5p and miR-30a-5p for further use. The flow cytometry method was used to compare changes in cellular apoptosis, and cell viability was measured by CCK-8 method.Bioinformatics predicted the bindings ofSNHG1 and miR-21-5p / miR-30a-5p while the luciferase reporter assays further verified this.Results: The outcomes revealedthat SNHG1 was downregulated and meanwhile miR-21-5p / miR-30a5p was elevated that enhanced apoptosis and reduced cell viability in HL-1 cells. However, overexpressed SNHG1 inhibited cell apoptosis and increased cell viability brought by H/R. In addition, SNHG1 targeted at miR-21-5p/ miR-30a-5p, which contributed to the inter-regulation in between. Furthermore, interactive experiments revealed that upregulation of miR-21-5p/ miR-30a-5p added to the cell apoptosis which was induced by H/R and partially counteracted by the upregulation of SNHG1.Conclusion: In this study we have demonstrated the protective role of SNHG1 in the moderation of H/R-induced HL-1 apoptosis and viability through suppression of miR-21-5p/miR-30a-5p. This offers new perspective into the molecular interpretation of cardiovascular diseases such as ischemic reperfusion injury. Keywords: SNHG1; apoptosis; Hypoxia/Re-oxygenation injury;miR-21-5p; miR-30a-5p; Cardiovascular diseases

scholarly journals Knockdown of Circ_SLC39A8 protects against the progression of osteoarthritis by regulating miR-591/IRAK3 axis

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Jizhe Yu ◽  
Yushuang Qin ◽  
Naxin Zhou
Keyword(s):  
Cell Viability ◽  
Molecular Mechanisms ◽  
Interleukin 1 ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Circular Rnas ◽  
Oa Chondrocytes ◽  
Polymerase Chain ◽  
Apoptosis And Inflammation ◽  
The Relationship

Abstract Background The dysregulation of circular RNAs (circRNAs) has been identified in various human diseases, including osteoarthritis (OA). The purpose of this study was to identify the role and mechanism of circ_SLC39A8 in regulating the progression of OA. Methods The expression levels of circ_SLC39A8, miR-591, and its potential target gene, interleukin-1-receptor-associated kinase 3 (IRAK3), were identified by quantitative real-time polymerase chain reaction (qRT-PCR). Cell viability and apoptosis were determined by Cell Counting Kit-8 (CCK-8) assay and flow cytometry, respectively. The relationship between miR-591 and circ_SLC39A8 or IRAK3 was predicted by bioinformatics tools and verified by dual-luciferase reporter. Results Circ_SLC39A8 and IRAK3 were upregulated and miR-591 was downregulated in OA cartilage tissues. Knockdown of circ_SLC39A8 inhibited apoptosis and inflammation in OA chondrocytes, while these effects were reversed by downregulating miR-591. Promotion cell viability effects of miR-591 were partially reversed by IRAK3 overexpression. Conclusion Our findings indicated that knockdown of circ_SLC39A8 delayed the progression of OA via modulating the miR-591-IRAK3 axis, providing new insight into the molecular mechanisms of OA pathogenesis.

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