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Song Y, Chen B, Jiao H, Yi L. Long noncoding RNA UNC5B-AS1 suppresses cell proliferation by sponging miR-24-3p in glioblastoma multiforme. BMC Med Genomics 2024; 17:83. [PMID: 38594690 PMCID: PMC11003007 DOI: 10.1186/s12920-024-01851-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 03/27/2024] [Indexed: 04/11/2024] Open
Abstract
BACKGROUND Glioblastoma multiforme (GBM) is the most common primary CNS tumor, characterized by high mortality and heterogeneity. However, the related lncRNA signatures and their target microRNA (miRNA) for GBM are still mostly unknown. Therefore, it is critical that we discover lncRNA markers in GBM and their biological activities. MATERIALS AND METHODS GBM-related RNA-seq data were obtained from the Cancer Genome Atlas (TCGA) database. The "edger" R package was used for differently expressed lncRNAs (DELs) identification. Then, we forecasted prospective miRNAs that might bind to lncRNAs by Cytoscape software. Survival analysis of those miRNAs was examined by the starBase database, and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis of the miRNAs' target genes was conducted by the Gene Set Enrichment Analysis (GSEA) database and R software. Moreover, the proliferative ability of unc-5 netrin receptor B antisense RNA 1 (UNC5B-AS1) cells was evaluated by Cell Counting Kit-8 (CCK-8) analysis. Mechanistically, the regulatory interaction between UNC5B-AS1 and miRNA in GBM biological processes was studied using CCK-8 analysis. RESULTS Our results indicated that overexpression of UNC5B-AS1 has been shown to suppress GBM cell growth. Mechanistically, miR-24-3p in GBM was able to alleviate the anti-oncogenic effects of UNC5B-AS1 on cell proliferation. CONCLUSION The discovery of the novel UNC5B-AS1-miR-24-3p network suggests possible lncRNA and miRNA roles in the development of GBM, which may have significant ramifications for the analysis of clinical prognosis and the development of GBM medications.
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Affiliation(s)
- Ying Song
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, 518036, China
| | - Baodong Chen
- Department of Neurosurgery, Peking University Shenzhen Hospital, Shenzhen, 518036, China
| | - Huili Jiao
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, 518036, China
| | - Li Yi
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, 518036, China.
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Wang C, Song CM, Liu S, Chen LM, Xue SF, Huang SH, Lin H, Liu GH. ZFX-mediated upregulation of CEBPA-AS1 contributes to acute myeloid leukemia progression through miR-24-3p/CTBP2 axis. Cell Biol Toxicol 2023; 39:2631-2645. [PMID: 36715854 DOI: 10.1007/s10565-023-09792-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 01/17/2023] [Indexed: 01/31/2023]
Abstract
Emerging reports demonstrated that long non-coding RNAs (lncRNAs) play a role in the pathogenesis and metastasis of cancers. However, the biological functions and underlying mechanisms of LncRNA CEBPA-AS1 in acute myeloid leukemia (AML) remain largely elusive. The level of CEBPA-AS1 was examined in AML clinical tissues and cell lines via fluorescence in situ hybridization (FISH) and reverse transcription-quantitative polymerase chain reaction (RT-qPCR). In vivo and in vitro functional tests were applied to identify the pro-oncogenic role of CEBPA-AS1 in AML development. The overexpressed CEBPA-AS1 was linked to poor survival in AML patients. Moreover, the relationships among CEBPA-AS1, Zinc Finger Protein X-Linked (ZFX), and miR-24-3p were predicted by bioinformatics and validated by RNA immunoprecipitation (RIP) and luciferase reporter assays. Our findings unveiled that transcription factor ZFX particularly interacted with the promoter of CEBPA-AS1 and activated CEBPA-AS1 transcription. Downregulation of CEBPA-AS1 inhibited the proliferation and invasion while promoted apoptosis of AML cells in in vitro, as well as in vivo, xenograft tumor growth was modified. However, overexpression of CEBPA-AS1 observed the opposite effects. Furthermore, CEBPA-AS1 acted as a competitive endogenous RNA (ceRNA) of miR-24-3p to attenuate the repressive effects of miR-24-3p on its downstream target CTBP2. Taken together, this study emphasized the pro-oncogenic role of CEBPA-AS1 in AML and illustrated its connections with the upstream transcription factor ZFX and the downstream regulative axis miR-24-3p/CTBP2, providing important insights to the cancerogenic process in AML.
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Affiliation(s)
- Chengyi Wang
- Department of Pediatrics, Fujian Branch of Shanghai Children's Medical Center Affiliated to Shanghai Jiaotong University School of Medicine, Fuzhou, China
- Fujian Children's Hospital, Fuzhou, China
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350001, Fujian Province, China
| | - Chao-Min Song
- Department of Neonatology, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350001, Fujian Province, China
| | - Shan Liu
- Department of Pediatrics, Fujian Branch of Shanghai Children's Medical Center Affiliated to Shanghai Jiaotong University School of Medicine, Fuzhou, China
- Fujian Children's Hospital, Fuzhou, China
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350001, Fujian Province, China
| | - Lu-Min Chen
- Department of Pediatrics, Fujian Branch of Shanghai Children's Medical Center Affiliated to Shanghai Jiaotong University School of Medicine, Fuzhou, China
- Fujian Children's Hospital, Fuzhou, China
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350001, Fujian Province, China
| | - Shu-Fang Xue
- Department of Pediatrics, Fujian Branch of Shanghai Children's Medical Center Affiliated to Shanghai Jiaotong University School of Medicine, Fuzhou, China
- Fujian Children's Hospital, Fuzhou, China
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350001, Fujian Province, China
| | - Si-Han Huang
- Department of Pediatrics, Fujian Branch of Shanghai Children's Medical Center Affiliated to Shanghai Jiaotong University School of Medicine, Fuzhou, China
- Fujian Children's Hospital, Fuzhou, China
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350001, Fujian Province, China
| | - Han Lin
- Department of Pediatrics, Fujian Branch of Shanghai Children's Medical Center Affiliated to Shanghai Jiaotong University School of Medicine, Fuzhou, China
- Fujian Children's Hospital, Fuzhou, China
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350001, Fujian Province, China
| | - Guang-Hua Liu
- Department of Pediatrics, Fujian Branch of Shanghai Children's Medical Center Affiliated to Shanghai Jiaotong University School of Medicine, Fuzhou, China.
- Fujian Children's Hospital, Fuzhou, China.
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350001, Fujian Province, China.
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Guo R, Fang Y, Zhang Y, Liu L, Li N, Wu J, Yan M, Li Z, Yu J. SHED-derived exosomes attenuate trigeminal neuralgia after CCI of the infraorbital nerve in mice via the miR-24-3p/IL-1R1/p-p38 MAPK pathway. J Nanobiotechnology 2023; 21:458. [PMID: 38031158 PMCID: PMC10685568 DOI: 10.1186/s12951-023-02221-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 11/19/2023] [Indexed: 12/01/2023] Open
Abstract
BACKGROUND Microglial activation in the spinal trigeminal nucleus (STN) plays a crucial role in the development of trigeminal neuralgia (TN). The involvement of adenosine monophosphate-activated protein kinase (AMPK) and N-methyl-D-aspartate receptor 1 (NMDAR1, NR1) in TN has been established. Initial evidence suggests that stem cells from human exfoliated deciduous teeth (SHED) have a potential therapeutic effect in attenuating TN. In this study, we propose that SHED-derived exosomes (SHED-Exos) may alleviate TN by inhibiting microglial activation. This study sought to assess the curative effect of SHED-Exos administrated through the tail vein on a unilateral infraorbital nerve chronic constriction injury (CCI-ION) model in mice to reveal the role of SHED-Exos in TN and further clarify the potential mechanism. RESULTS Animals subjected to CCI-ION were administered SHED-Exos extracted by differential ultracentrifugation. SHED-Exos significantly alleviated TN in CCI mice (increasing the mechanical threshold and reducing p-NR1) and suppressed microglial activation (indicated by the levels of TNF-α, IL-1β and IBA-1, as well as p-AMPK) in vivo and in vitro. Notably, SHED-Exos worked in a concentration dependent manner. Mechanistically, miR-24-3p-upregulated SHED-Exos exerted a more significant effect, while miR-24-3p-inhibited SHED-Exos had a weakened effect. Bioinformatics analysis and luciferase reporter assays were utilized for target gene prediction and verification between miR-24-3p and IL1R1. Moreover, miR-24-3p targeted the IL1R1/p-p38 MAPK pathway in microglia was increased in CCI mice, and participated in microglial activation in the STN. CONCLUSIONS miR-24-3p-encapsulated SHED-Exos attenuated TN by suppressing microglial activation in the STN of CCI mice. Mechanistically, miR-24-3p blocked p-p38 MAPK signaling by targeting IL1R1. Theoretically, targeted delivery of miR-24-3p may offer a potential strategy for TN.
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Affiliation(s)
- Rong Guo
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Shanghai Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
| | - Yuxin Fang
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Shanghai Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
| | - Yuyao Zhang
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Shanghai Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
| | - Liu Liu
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Shanghai Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
| | - Na Li
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Shanghai Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
| | - Jintao Wu
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Shanghai Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
| | - Ming Yan
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Shanghai Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China
| | - Zehan Li
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Shanghai Road, Nanjing, 210029, Jiangsu, China.
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China.
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China.
| | - Jinhua Yu
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Shanghai Road, Nanjing, 210029, Jiangsu, China.
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China.
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, 136 Hanzhong Road, Nanjing, 210029, Jiangsu, China.
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Zhang C, He W. Circ_0020014 mediates CTSB expression and participates in IL-1β-prompted chondrocyte injury via interacting with miR-24-3p. J Orthop Surg Res 2023; 18:877. [PMID: 37980493 PMCID: PMC10657024 DOI: 10.1186/s13018-023-04370-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 11/13/2023] [Indexed: 11/20/2023] Open
Abstract
BACKGROUND Recent studies have shown that circRNAs are involved in the pathogenesis of osteoarthritis (OA) by affecting various fundamental cellular characteristics of chondrocytes. The purpose of this paper is to investigate the role and regulatory mechanism of hsa_circ_0020014 (circ_0020014) in chondrocytes of OA. METHODS The inflammatory cytokine interleukin 1 beta (IL-1β) was used to stimulate human chondrocytes. Cell viability, proliferation, and apoptosis were evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT), 5-Ethynyl-2'-deoxyuridine (EdU), and flow cytometry assays. Several protein levels were determined by western blotting (WB). Levels of inflammatory cytokines and malondialdehyde (MDA) were determined by enzyme-linked immunosorbent assay (ELISA). Relative expression of circ_0020014 was estimated by real-time polymerase quantitative chain reaction (RT-qPCR). Bioinformatics prediction combined with dual-luciferase reporter, RIP and RNA pull-down assays were done to probe into the regulatory mechanism of circ_0020014. RESULTS Circ_0020014 was overexpressed in OA patient-derived articular cartilages and IL-1β-stimulated chondrocytes. Silencing of circ_0020014 lighted IL-1β-prompted chondrocyte proliferation repression, apoptosis, inflammation, and oxidative stress. Mechanically, circ_0020014 functioned as a miR-24-3p molecular sponge to regulate cathepsin B (CTSB) expression. Furthermore, miR-24-3p inhibition alleviated circ_0020014 knockdown-mediation repression of IL-1β-urged chondrocyte injury. In addition, CTSB overexpression whittled miR-24-3p upregulation-mediated suppression of IL-1β-urged chondrocyte injury. CONCLUSION Our findings demonstrated that the circ_0020014/miR-24-3p/CTSB axis was associated with IL-1β-prompted chondrocyte injury, supporting the involvement of circ_0020014 in the OA pathogenesis.
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Affiliation(s)
- Chenpeng Zhang
- Department of Spinal Surgery, Liyang People's Hospital, Liyang, Jiangsu, China
| | - Wenjun He
- Department of Osteoarthritis, Liyang People's Hospital, Liyang, 213300, Jiangsu, China.
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Otmani K, Rouas R, Lagneaux L, Krayem M, Duvillier H, Berehab M, Lewalle P. Acute myeloid leukemia-derived exosomes deliver miR-24-3p to hinder the T-cell immune response through DENN/MADD targeting in the NF-κB signaling pathways. Cell Commun Signal 2023; 21:253. [PMID: 37735672 PMCID: PMC10515055 DOI: 10.1186/s12964-023-01259-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 08/07/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND microRNAs (miRNAs) are known as potent gene expression regulators, and several studies have revealed the prognostic value of miRNAs in acute myeloid leukemia (AML) patient survival. Recently, strong evidence has indicated that miRNAs can be transported by exosomes (EXOs) from cancer cells to recipient immune microenvironment (IME) cells. RESULTS We found that AML blast-released EXOs enhance CD3 T-cell apoptosis in both CD4 and CD8 T cells. We hypothesized that miRNAs present in EXOs are key players in mediating the changes observed in AML T-cell survival. We found that miR-24-3p, a commonly overexpressed miRNA in AML, was present in released EXOs, suggesting that EXO-miR-24-3p was linked to the increased miR-24-3p levels detected in isolated AML T cells. These results were corroborated by ex vivo-generated miR-24-3p-enriched EXOs, which showed that miR-24-3p-EXOs increased apoptosis and miR-24-3p levels in T cells. We also demonstrated that overexpression of miR-24-3p increased T-cell apoptosis and affected T-cell proliferation by directly targeting DENN/MADD expression and indirectly altering the NF-κB, p-JAK/STAT, and p-ERK signaling pathways but promoting regulatory T-cell (Treg) development. CONCLUSIONS These results highlight a mechanism through which AML blasts indirectly impede T-cell function via transferred exosomal miR-24-3p. In conclusion, by characterizing the signaling network regulated by individual miRNAs in the leukemic IME, we aimed to discover new nonleukemic immune targets to rescue the potent antitumor function of T cells against AML blasts. Video Abstract.
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Affiliation(s)
- Khalid Otmani
- Experimental Hematology Laboratory, Hematology Department, Hôpital Universitaire de Bruxelles, (H.U.B.) Institut Jules Bordet, Université Libre de Bruxelles, 90 Meylemeersch Street, 1070, Brussels, Belgium.
| | - Redouane Rouas
- Experimental Hematology Laboratory, Hematology Department, Hôpital Universitaire de Bruxelles, (H.U.B.) Institut Jules Bordet, Université Libre de Bruxelles, 90 Meylemeersch Street, 1070, Brussels, Belgium
| | - Laurence Lagneaux
- Laboratoire de Thérapie Cellulaire Clinique (LTCC), Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
| | - Mohammad Krayem
- Laboratory of Clinical and Experimental Oncology, Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
| | - Hugues Duvillier
- Flow Cytometry Facility, Hôpital Universitaire de Bruxelles (H.U.B.) Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
| | - Mimoune Berehab
- Experimental Hematology Laboratory, Hematology Department, Hôpital Universitaire de Bruxelles, (H.U.B.) Institut Jules Bordet, Université Libre de Bruxelles, 90 Meylemeersch Street, 1070, Brussels, Belgium
| | - Philippe Lewalle
- Experimental Hematology Laboratory, Hematology Department, Hôpital Universitaire de Bruxelles, (H.U.B.) Institut Jules Bordet, Université Libre de Bruxelles, 90 Meylemeersch Street, 1070, Brussels, Belgium.
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Öksüz Z, Gragnani L, Lorini S, Temel GÖ, Serin MS, Zignego AL. Evaluation of Plasma miR-17-5p, miR-24-3p and miRNA-223-3p Profile of Hepatitis C Virus-Infected Patients after Treatment with Direct-Acting Antivirals. J Pers Med 2023; 13:1188. [PMID: 37623439 PMCID: PMC10455277 DOI: 10.3390/jpm13081188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/26/2023] Open
Abstract
The expression of miR-223-3p, miR-17-5p, and miR-24-3p was evaluated in hepatitis C virus (HCV) patient serum samples, collected before DAA treatment and after a sustained virological response (SVR). Fifty HCV patients were stratified based on their liver damage stages into three different subgroups (21 with chronic hepatitis-CH, 15 with cirrhosis, and 14 with hepatocellular carcinoma-HCC). Considering the entire HCV population, the miRNA expression levels were significantly downregulated after the SVR compared to pre-treatment ones (p < 0.05). Stratifying the patients based on liver damage, the post-SVR values of the three miRNAs were significantly downregulated compared to the pre-treatment levels for both cirrhosis and HCC patients. No significant differences emerged from the analysis of the CH group. To our knowledge, this is the first study to detail the behavior of miR-223-3p, miR-17-5p, and miR-24-3p levels in patients with HCV-related CH, cirrhosis, and HCC after DAA therapy. Our findings show that HCV-infected patients have different miRNA profiles before and after treatment with DAAs, strongly suggesting that miRNAs may be involved in the pathogenesis of HCV-related damage. In this respect, the correlation observed among the three studied miRNAs could imply that they share common pathways by which they contribute the progression of HCV-induced chronic liver damage.
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Affiliation(s)
- Zehra Öksüz
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Mersin University, 33160 Mersin, Turkey;
| | - Laura Gragnani
- MASVE Interdepartmental Hepatology Center, Department of Experimental and Clinical Medicine, University of Florence, Center for Research and Innovation CRIA-MASVE, AOU Careggi, 50134 Firenze, Italy; (L.G.); (S.L.)
- Department of Translational Research & New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy
| | - Serena Lorini
- MASVE Interdepartmental Hepatology Center, Department of Experimental and Clinical Medicine, University of Florence, Center for Research and Innovation CRIA-MASVE, AOU Careggi, 50134 Firenze, Italy; (L.G.); (S.L.)
| | - Gülhan Örekici Temel
- Department of Biostatistics, Faculty of Medicine, Mersin University, 33343 Mersin, Turkey;
| | - Mehmet Sami Serin
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Mersin University, 33160 Mersin, Turkey;
| | - Anna Linda Zignego
- MASVE Interdepartmental Hepatology Center, Department of Experimental and Clinical Medicine, University of Florence, Center for Research and Innovation CRIA-MASVE, AOU Careggi, 50134 Firenze, Italy; (L.G.); (S.L.)
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Ma T, Qiu F, Gong Y, Cao H, Dai G, Sun D, Zhu D, Lei H, Liu Z, Gao L. Therapeutic silencing of lncRNA RMST alleviates cardiac fibrosis and improves heart function after myocardial infarction in mice and swine. Theranostics 2023; 13:3826-3843. [PMID: 37441584 PMCID: PMC10334841 DOI: 10.7150/thno.82543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Rationale: Cardiac fibrosis is an adverse consequence of aberrant fibroblast activation and extracellular matrix (ECM) deposition following myocardial infarction (MI). Recently, long noncoding RNAs (lncRNAs) have been reported to participate in multiple cardiac diseases. However, the biological functions of lncRNA rhabdomyosarcoma 2-associated transcript (RMST) in cardiac fibrosis remain largely unknown. Methods: The role of RMST in regulating cardiac fibroblast (CF) proliferation, fibroblast-to-myofibroblast transition (FMT), and ECM production, which were induced by transforming growth factor-β1, was evaluated through immunofluorescence staining, cell contraction assay, cell migration assay, qRT-PCR, and western blot. The therapeutic effect of RMST silencing was assessed in murine and porcine MI models. Results: The present study showed that RMST expression was upregulated and associated with cardiac fibrosis in murine and porcine MI models. Further loss-of-function studies demonstrated that RMST silencing in vitro significantly inhibited CF proliferation, FMT, and ECM production. Accordingly, RMST knockdown in vivo alleviated cardiac fibrosis and improved cardiac contractile function in MI mice. Moreover, RMST acted as a competitive endogenous RNA of miR-24-3p. miR-24-3p inhibition abolished, while miR-24-3p agomir reproduced, the RMST knockdown-mediated effects on CF fibrosis by regulating the lysyl oxidase signaling pathway. Finally, the therapeutic potential of RMST knockdown was evaluated in a porcine MI model, and local RMST knockdown significantly inhibited cardiac fibrosis and improved myocardial contractile function in pigs after MI. Conclusion: Our findings identified RMST as a crucial regulator of cardiac fibrosis, and targeting RMST may develop a novel and efficient therapeutic strategy for treating fibrosis-related cardiac diseases.
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Affiliation(s)
- Teng Ma
- Translational Medical Center for Stem Cell Therapy & Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200123, China
| | - Fan Qiu
- Translational Medical Center for Stem Cell Therapy & Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200123, China
- Department of Thoracic Cardiovascular Surgery, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518033, China
| | - Yanshan Gong
- Translational Medical Center for Stem Cell Therapy & Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200123, China
| | - Hao Cao
- Department of Cardiovascular and Thoracic Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Gonghua Dai
- Department of Radiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Daohan Sun
- The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Dongling Zhu
- Translational Medical Center for Stem Cell Therapy & Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200123, China
| | - Han Lei
- Department of Respiratory Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Zhongmin Liu
- Translational Medical Center for Stem Cell Therapy & Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200123, China
- Department of Cardiovascular and Thoracic Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai East Hospital, Tongji University, Shanghai 200120, China
| | - Ling Gao
- Translational Medical Center for Stem Cell Therapy & Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200123, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai East Hospital, Tongji University, Shanghai 200120, China
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Liu M, Yu Z, Zhao Z, Yang F, Zhou M, Wang C, Tian X, Zhang B, Liang G, Liu X, Shao J. MiR-24-3p/Dio3 axis is essential for BDE47 to induce local thyroid hormone disorder and neurotoxicity. Toxicology 2023; 491:153527. [PMID: 37116683 DOI: 10.1016/j.tox.2023.153527] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/21/2023] [Accepted: 04/25/2023] [Indexed: 04/30/2023]
Abstract
BDE47 (2,2,4,4-tetrabromodiphenyl ether) is a member of the most important congeners of polybrominated diphenyl ethers (PBDEs) and has been identified as a developmental, reproductive and nervous system toxicant and endocrine system disruptor due to its frequent detection in human tissue and environmental samples. Our preliminary work suggested that high- and low-level of bromodiphenyl ethers have different effects on neuronal cells with differential targets of actions on neural tissues. In this study, we presented the underlying mechanism of BDE47 neurotoxicity from the perspective of thyroid hormone (TH) metabolism using in vitro model of human SK-N-AS neuronal cells. BDE47 could induce local TH metabolism disorder in neuronal cells by inhibiting the expression of the main enzyme, human type III iodothyronine deiodinase (Dio3). Further elucidation revealed that BDE47 effectively up-regulating miR-24-3p, which binds to the 3'-UTR of Dio3 and inhibits its expression. In addition, BDE47 could also inhibit the deiodinase activity of Dio3. Collectively, our study demonstrates the molecular mechanism of BDE47 regulating Dio3-induced TH metabolism disorder through inducing miR-24-3p, providing new clues for the role of miRNAs in neurodevelopmental toxicity mediated by environmental pollutants.
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Affiliation(s)
- Min Liu
- Department of Environmental Health and Toxicology, School of Public Health, Dalian Medical University, Dalian, 116044, China; Neurology Department, Dalian University Affiliated Xinhua Hospital, Dalian, 116021, China
| | - Zhenlong Yu
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Zikuang Zhao
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 116000, China
| | - Fangyu Yang
- General Hospital of Northern Theater Command (General Hospital of Shenyang Military Command), Department of Neurosurgery, Shenyang, China
| | - Meirong Zhou
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Chao Wang
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Xiangge Tian
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Baojing Zhang
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Guobiao Liang
- General Hospital of Northern Theater Command (General Hospital of Shenyang Military Command), Department of Neurosurgery, Shenyang, China.
| | - Xiaohui Liu
- Department of Environmental Health and Toxicology, School of Public Health, Dalian Medical University, Dalian, 116044, China
| | - Jing Shao
- Department of Environmental Health and Toxicology, School of Public Health, Dalian Medical University, Dalian, 116044, China; Liaoning Key Laboratory of Hematopoietic Stem Cell Transplantation and Translational Medicine; Liaoning Medical Center for Hematopoietic Stem Cell Transplantation; Dalian Key Laboratory of Hematology; Diamond Bay Institute of Hematology; Second Hospital of Dalian Medical University, Dalian, 116027, China.
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9
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Ares Blanco J, Lambert C, Fernandez-Sanjurjo M, Morales-Sanchez P, Pujante P, Pinto-Hernández P, Iglesias-Gutiérrez E, Menendez Torre E, Delgado E. miR-24-3p and Body Mass Index as Type 2 Diabetes Risk Factors in Spanish Women 15 Years after Gestational Diabetes Mellitus Diagnosis. Int J Mol Sci 2023; 24:ijms24021152. [PMID: 36674679 PMCID: PMC9861277 DOI: 10.3390/ijms24021152] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/13/2022] [Accepted: 01/03/2023] [Indexed: 01/11/2023] Open
Abstract
Gestational diabetes mellitus (GDM) is defined as any degree of glucose intolerance that is diagnosed for the first time during pregnancy. The objective of this study is to know the glucose tolerance status after 15 years of pregnancy in patients diagnosed with gestational diabetes and to assess the long-term effect of GDM on the circulating miRNA profile of these women. To answer these, 30 randomly selected women diagnosed with GDM during 2005-2006 were included in the study, and glucose tolerance was measured using the National Diabetes Data Group criteria. Additionally, four miRNAs (hsa-miR-1-3p, hsa-miR-24-3p, hsa-miR-329-3p, hsa-miR-543) were selected for their analysis in the plasma of women 15 years after the diagnosis of GDM. In our study we discovered that, fifteen years after the diagnosis of GDM, 50% of women have some degree of glucose intolerance directly related to body weight and body mass index during pregnancy. Dysglycemic women also showed a significantly increased level of circulating hsa-miR-24-3p. Thus, we can conclude that initial weight and BMI, together with circulating expression levels of hsa-miR-24-3p, could be good predictors of the future development of dysglycemia in women with a previous diagnosis of GDM.
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Affiliation(s)
- Jessica Ares Blanco
- Endocrinology, Nutrition, Diabetes and Obesity Group, Health Research Institute of the Principality of Asturias (ISPA), 33011 Oviedo, Spain
- Endocrinology and Nutrition Department, Asturias Central University Hospital, Av. Roma s/n, 33011 Oviedo, Spain
- Medicine Department, University of Oviedo, 33011 Oviedo, Spain
| | - Carmen Lambert
- Endocrinology, Nutrition, Diabetes and Obesity Group, Health Research Institute of the Principality of Asturias (ISPA), 33011 Oviedo, Spain
- University of Barcelona, 08007 Barcelona, Spain
- Correspondence: (C.L.); (E.D.)
| | - Manuel Fernandez-Sanjurjo
- Department of Functional Biology, University of Oviedo, 33007 Oviedo, Spain
- Translational Health Interventions Group, Health Research Institute of the Principality of Asturias (ISPA), 33011 Oviedo, Spain
| | - Paula Morales-Sanchez
- Endocrinology, Nutrition, Diabetes and Obesity Group, Health Research Institute of the Principality of Asturias (ISPA), 33011 Oviedo, Spain
- Centre for Biomedical Network Research on Rare Diseases (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Pedro Pujante
- Endocrinology, Nutrition, Diabetes and Obesity Group, Health Research Institute of the Principality of Asturias (ISPA), 33011 Oviedo, Spain
- University of Barcelona, 08007 Barcelona, Spain
| | - Paola Pinto-Hernández
- Department of Functional Biology, University of Oviedo, 33007 Oviedo, Spain
- Translational Health Interventions Group, Health Research Institute of the Principality of Asturias (ISPA), 33011 Oviedo, Spain
| | - Eduardo Iglesias-Gutiérrez
- Department of Functional Biology, University of Oviedo, 33007 Oviedo, Spain
- Translational Health Interventions Group, Health Research Institute of the Principality of Asturias (ISPA), 33011 Oviedo, Spain
| | - Edelmiro Menendez Torre
- Endocrinology, Nutrition, Diabetes and Obesity Group, Health Research Institute of the Principality of Asturias (ISPA), 33011 Oviedo, Spain
- Endocrinology and Nutrition Department, Asturias Central University Hospital, Av. Roma s/n, 33011 Oviedo, Spain
- Medicine Department, University of Oviedo, 33011 Oviedo, Spain
- Centre for Biomedical Network Research on Rare Diseases (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Elias Delgado
- Endocrinology, Nutrition, Diabetes and Obesity Group, Health Research Institute of the Principality of Asturias (ISPA), 33011 Oviedo, Spain
- Endocrinology and Nutrition Department, Asturias Central University Hospital, Av. Roma s/n, 33011 Oviedo, Spain
- Medicine Department, University of Oviedo, 33011 Oviedo, Spain
- Centre for Biomedical Network Research on Rare Diseases (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: (C.L.); (E.D.)
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10
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Yunusova N, Dzhugashvili E, Yalovaya A, Kolomiets L, Shefer A, Grigor’eva A, Tupikin A, Kondakova I, Tamkovich S. Comparative Analysis of Tumor-Associated microRNAs and Tetraspanines from Exosomes of Plasma and Ascitic Fluids of Ovarian Cancer Patients. Int J Mol Sci 2022; 24:ijms24010464. [PMID: 36613908 PMCID: PMC9820379 DOI: 10.3390/ijms24010464] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 12/29/2022] Open
Abstract
Ovarian cancer (OC) is one of the most common and fatal types of gynecological cancer. In the early phase of OC detection, the current treatment and diagnostic methods are not efficient and sensitive enough. Therefore, it is crucial to explore the mechanisms of OC metastasis and discover valuable factors for early diagnosis of female cancers and novel therapeutic strategies for metastasis. Exosomes are known to be involved in the development, migration, and invasion of cancer cells, and their cargo could be useful for the non-invasive biopsy development. CD151- and Tspan8-positive exosomes are known to support the degradation of the extracellular matrix, and are involved in stroma remodeling, angiogenesis and cell motility, as well as the association of miR-24 and miR-101 with these processes. The objective of this study was to explore the relationship of these components of exosomal cargo, in patients with OC, to clarify the clinical significance of these markers in liquid biopsies. The levels of tetraspanins Tspan8+ and CD151+ exosomes were significantly higher in plasma exosomes of OC patients compared with healthy females (HFs). The relative levels of miR-24 and miR-101 in plasma exosomes of HFs were significantly higher than in plasma exosomes of OC patients, while the levels of these microRNAs in exosomes from plasma and ascites of ill females showed no difference. Our study revealed a strong direct correlation between the change in the ascites exosomes CD151+Tspan8+ subpopulation level and the expression levels of the ascites (R = 0.81, p < 0.05) and plasma exosomal miR-24 (R = 0.74, p < 0.05) in OC patients, which confirms the assumption that exosomal cargo act synergistically to increase cellular motility, affecting cellular processes and signaling. Bioinformatics analysis confirmed the involvement of CD151 and Tspan8 tetraspanins and genes controlled by miR-24-3p and miR-101 in signaling pathways, which are crucial for carcinogenesis, demonstrating that these tetraspanins and microRNAs are potential biomarkers for OC screening, and predictors of poor clinicopathological behavior in tumors.
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Affiliation(s)
- Natalia Yunusova
- Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634009 Tomsk, Russia
- Department of Biochemistry and Molecular Biology, Faculty of Medicine and Biology, Siberian State Medical University, 634050 Tomsk, Russia
| | - Ekaterina Dzhugashvili
- V. Zelman Institute for Medicine and Psychology, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Alena Yalovaya
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Larisa Kolomiets
- Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Aleksei Shefer
- V. Zelman Institute for Medicine and Psychology, Novosibirsk State University, 630090 Novosibirsk, Russia
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Alina Grigor’eva
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Alexey Tupikin
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Irina Kondakova
- Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Svetlana Tamkovich
- V. Zelman Institute for Medicine and Psychology, Novosibirsk State University, 630090 Novosibirsk, Russia
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
- Correspondence:
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11
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Zhu F, Chen Y, Li J, Yang Z, Lin Y, Jiang B, Shao L, Hu S, Shen Z. Human Umbilical Cord Mesenchymal Stem Cell-Derived Exosomes Attenuate Myocardial Infarction Injury via miR-24-3p-Promoted M2 Macrophage Polarization. Adv Biol (Weinh) 2022; 6:e2200074. [PMID: 35818695 DOI: 10.1002/adbi.202200074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 06/22/2022] [Indexed: 01/28/2023]
Abstract
Exosomes derived from human umbilical cord mesenchymal stem cells (UMSC-Exos) have shown encouraging effects in regulating inflammation and attenuating myocardial injury. Macrophages are regulated dynamically in response to environmental cues. However, the underlying mechanisms by which UMSC-Exos regulate macrophage polarization are still not well understood. Herein, it is aimed to explore the effects of UMSC-Exos on macrophage polarization and their roles in cardiac repair after myocardial infarction (MI). These results show that UMSC-Exos improve cardiac function by increasing M2 macrophage polarization and reducing excessive inflammation. RNA-sequencing results identify Plcb3 as a key gene involved in UMSC-Exo-facilitated M2 macrophage polarization. Further bioinformatic analysis identifies exosomal miR-24-3p as a potential effector mediating Plcb3 downregulation in macrophages. Increasing miR-24-3p expression in macrophages effectively enhances M2 macrophage polarization by suppressing Plcb3 expression and NF-κB pathway activation in the inflammatory environment. Furthermore, reducing miR-24-3p expression in UMSC-Exos attenuates the effects of UMSC-Exos on M2 macrophage polarization. This study demonstrates that the cardiac therapeutic effects of UMSC-Exos are at least partially through promoting M2 macrophage polarization in an inflammatory microenvironment. Mechanistically, exosomal miR-24-3p is found to inhibit Plcb3 expression and NF-κB pathway activation to promote M2 macrophage polarization.
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Affiliation(s)
- Feng Zhu
- Department of Cardiovascular Surgery of the First Affiliated Hospital and Institute for Cardiovascular Science, Soochow University, Suzhou, 215000, China
| | - Yihuan Chen
- Department of Cardiovascular Surgery of the First Affiliated Hospital and Institute for Cardiovascular Science, Soochow University, Suzhou, 215000, China
| | - Jingjing Li
- Department of Cardiovascular Surgery of the First Affiliated Hospital and Institute for Cardiovascular Science, Soochow University, Suzhou, 215000, China
| | - Ziying Yang
- Department of Cardiovascular Surgery of the First Affiliated Hospital and Institute for Cardiovascular Science, Soochow University, Suzhou, 215000, China
| | - Yang Lin
- Department of Cardiovascular Surgery of the First Affiliated Hospital and Institute for Cardiovascular Science, Soochow University, Suzhou, 215000, China
| | - Boxuan Jiang
- School of Medicine, Nantong University, Nantong, 226007, China
| | - Lianbo Shao
- Department of Cardiovascular Surgery of the First Affiliated Hospital and Institute for Cardiovascular Science, Soochow University, Suzhou, 215000, China
| | - Shengshou Hu
- Department of Cardiovascular Surgery of the First Affiliated Hospital and Institute for Cardiovascular Science, Soochow University, Suzhou, 215000, China.,Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Zhenya Shen
- Department of Cardiovascular Surgery of the First Affiliated Hospital and Institute for Cardiovascular Science, Soochow University, Suzhou, 215000, China
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12
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Kazemian S, Ahmadi R, Ferns GA, Rafiei A, Azadegan-Dehkordi F, Khaledifar A, Mohammad-Rezaei M, Bagheri N. Correlation of miR-24-3p and miR-595 expression with CCL3, CCL4, IL1-beta, TNFalphaIP3, and NF-kappaBIalpha genes in PBMCs of patients with coronary artery disease. EXCLI J 2022; 21:1184-1195. [PMID: 36381642 PMCID: PMC9650696 DOI: 10.17179/excli2022-5266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/05/2022] [Indexed: 01/25/2023]
Abstract
Inflammation has been well recognized to play an important role in developing coronary artery disease (CAD). By regulating essential genes in this pathway post-transcriptionally, MicroRNAs (miRNAs) may help or hinder the development of atherosclerotic lesions. The aim of this study was to investigate the expression of miR-24-3p, miR-595, CCL3, CCL4, IL-1β, TNFαIP3, and NF-κBIα in the peripheral blood mononuclear cells (PBMCs) of CAD and control groups and to examine whether any correlation exists between the expression of miRs and genes in CAD group. A total of 168 subjects (84 CAD subjects and 84 control subjects) were examined in this research. Expression levels of miR-24-3p, miR-595, CCL3, CCL4, IL-1β, TNFαIP3, and NF-κBIα in PBMCs were measured using the real-time PCR technique. A comparison of the CAD group with the control group indicated significantly increased expression levels of CCL3, CCL4, and IL-1β (Fold Change (FC)=4, P=0.009; FC=2.9, P=0.01; FC=1.8, P=0.019, respectively) and remarkably reduced expression levels of TNFαIP3 and NF-κBIα (FC=-1.4, P=0.03 and FC=-5.9, P=0.001, respectively). Moreover, the expression levels of miR-24-3p downregulated (FC=-2.5, P=0.005) and miR-595 upregulated (FC=1.9, P=0.009) in the CAD group. There was a statistical correlation between the number of clogged arteries with expression levels of miR-24-3p, miR-595, CCL3, CCL4, IL-1β, TNFαIP3, and NF-κBIα in the CAD group. Also, there was a statistical correlation between expression levels of miR-24-3p and miR-595 with CCL3, CCL4, IL-1β, TNFαIP3, and NF-κBIα gene expression in the CAD group. In CAD patients, decreased expression of miR-24-3p and increased expression of miR-595 may aid the progression of atherosclerotic plaques by regulating CCL3, CCL4, IL-1β, TNFαIP3, and NF-κBIα gene expression.
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Affiliation(s)
- Shakiba Kazemian
- Student Research Committee, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Reza Ahmadi
- Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Gordon A. Ferns
- Brighton & Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex, UK
| | - Ali Rafiei
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Fatemeh Azadegan-Dehkordi
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Arsalan Khaledifar
- Department of Cardiology, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mina Mohammad-Rezaei
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Nader Bagheri
- Department of Microbiology and Immunology, Faculty of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran,*To whom correspondence should be addressed: Nader Bagheri, Department of Microbiology and Immunology, Faculty of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran; Tel: +989181731073, Fax: +98-3813330709, E-mail:
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13
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Dey P, Soyer MA, Dey BK. MicroRNA-24-3p promotes skeletal muscle differentiation and regeneration by regulating HMGA1. Cell Mol Life Sci 2022; 79:170. [PMID: 35238991 DOI: 10.1007/s00018-022-04168-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 01/13/2022] [Accepted: 01/24/2022] [Indexed: 11/30/2022]
Abstract
Numerous studies have established the critical roles of microRNAs in regulating post-transcriptional gene expression in diverse biological processes. Here, we report on the role and mechanism of miR-24-3p in skeletal muscle differentiation and regeneration. miR-24-3p promotes myoblast differentiation and skeletal muscle regeneration by directly targeting high mobility group AT-hook 1 (HMGA1) and regulating it and its direct downstream target, the inhibitor of differentiation 3 (ID3). miR-24-3p knockdown in neonatal mice increases PAX7-positive proliferating muscle stem cells (MuSCs) by derepressing Hmga1 and Id3. Similarly, inhibition of miR-24-3p in the tibialis anterior muscle prevents Hmga1 and Id3 downregulation and impairs regeneration. These findings provide evidence that the miR-24-3p/HMGA1/ID3 axis is required for MuSC differentiation and skeletal muscle regeneration in vivo.
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Affiliation(s)
- Paromita Dey
- The RNA Institute, University at Albany, State University of New York (SUNY), 1400 Washington Avenue, Albany, NY, 12222, USA
| | - Miles A Soyer
- The RNA Institute, University at Albany, State University of New York (SUNY), 1400 Washington Avenue, Albany, NY, 12222, USA.,Department of Biological Sciences, University at Albany, State University of New York (SUNY), 1400 Washington Avenue, Albany, NY, 12222, USA
| | - Bijan K Dey
- The RNA Institute, University at Albany, State University of New York (SUNY), 1400 Washington Avenue, Albany, NY, 12222, USA. .,Department of Biological Sciences, University at Albany, State University of New York (SUNY), 1400 Washington Avenue, Albany, NY, 12222, USA.
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14
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Abstract
Circular RNA (circRNA) represents an important regulator in infantile pneumonia progression. To clarify the role of circ_0026579 in this disease, LPS was used to treat WI-38 cells to mimic inflammation injury. The levels of inflammatory factors were determined by ELISA assay. Cell proliferation and apoptosis were measured by MTT assay, EdU staining and flow cytometry. The protein levels of cyclinD1, cleaved-caspase-3 and insulin-like growth factor 2 (IGF2) were examined using Western blot analysis. Cell oxidative stress was assessed by detecting MDA level and SOD activity. The expression of circ_0026579, miR-24-3p and IGF2 were analyzed using quantitative real-time PCR, and the interaction between miR-24-3p and circ_0026579 or IGF2 was confirmed by dual-luciferase reporter assay and RIP assay. LPS induced inflammation in WI-38 cells. Circ_0026579 expression was promoted in LPS-induced WI-38 cells, and its knockdown alleviated LPS-induced WI-38 cells inflammation. MiR-24-3p was sponged by circ_0026579, and its expression was reduced by LPS. MiR-24-3p inhibitor reversed the regulation of circ_0026579 knockdown on LPS-induced WI-38 cells inflammation. IGF2 was targeted by miR-24-3p, and its expression could be enhanced by LPS. MiR-24-3p relieved the inflammation of WI-38 cells which could be abolished by IGF2 overexpression. Circ_0026579 positively regulated IGF2 expression through sponging miR-24-3p. Circ_0026579 knockdown alleviated LPS-induced WI-38 cells inflammation by miR-24-3p/IGF2 axis, suggesting that circ_0026579 might contribute to infantile pneumonia progression.
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Affiliation(s)
- Yang Yu
- Department of Neonatology, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu, China
| | - Tingting Yang
- Department of Neonatology, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu, China
| | - Zhaozheng Ding
- Department of Paediatric surgery, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu, China
| | - Yuan Cao
- Department of Paediatric surgery, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu, China
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15
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Fan D, Chen HB, Leng Y, Yang SJ. MiR-24-3p Attenuates Doxorubicin-induced Cardiotoxicity via the Nrf2 Pathway in Mice. Curr Med Sci 2022. [PMID: 35089495 DOI: 10.1007/s11596-022-2536-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 12/01/2020] [Indexed: 11/03/2022]
Abstract
OBJECTIVE The nuclear factor erythroid 2 (NFE2)-related factor 2 (Nrf2) is associated with doxorubicin (DOX)-induced cardiac injury. It has been reported that microRNA-24-3p (miR-24-3p) may regulate the Keapl by mRNA degradation, whereas Keapl can suppress the activation of Nrf2. However, the role of miR-24-3p in DOX-related cardiotoxicity remains unclear. METHODS The mice receiving DOX were used as cardiac injury model. In this study, an adenoassociated virus 9 system was used to deliver miR-24-3p or miR-scramble to mice hearts. The echocardiographic and hemodynamic analyses were used to evaluate the effects of miR-24-3p on cardiac function under DOX stimulation. ELISA and RT-PCR were used to detect protein or mRNA expressions associated with cardiac injury, inflammation response, apoptosis and oxidative stress. Western Blot were used for quantitative analysis of the roles of miR-24-3p in regulating Nrf2 expression. H9C2 cells used to verify the role of miR-24-3p in vitro. RESULTS We found that miR-24-3p mRNA was significantly decreased in DOX-treated mice and cardiomyocytes. Overexpression of miR-24-3p blocked cardiac injury caused by DOX injection, as reflected by the reduction in the levels of cardiac troponin I, creatinine kinase isoenzyme MB and the N-terminal pro brain natriuretic peptide. Furthermore, miR-24-3p reduced oxidative stress and cell loss without affecting the inflammation response. As expected, we found that Nrf2 was upregulated by miR-24-3p supplementation, and that the protective efforts of miR-24-3p supplementation were abolished when Nrf2 was silenced. CONCLUSION The results from this study suggest that miR-24-3p protects cardiomyocytes against DOX-induced heart injury via activation of the Nrf2 pathway. miR-24-3p supplementation may be a novel strategy to counteract the cardiac side effects of DOX treatment.
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Huang J, Li Y, Jiang Z, Wu L, Liu Y, Ma S, Li L, Wang H. IL-1β promotes hypoxic vascular endothelial cell proliferation through the miR-24-3p/NKAP/NF-kB axis. Biosci Rep 2022:BSR20212062. [PMID: 35005769 DOI: 10.1042/BSR20212062] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/26/2021] [Indexed: 11/17/2022] Open
Abstract
Purpose: Our previous data indicated that miR-24-3p is involved in the regulation of vascular endothelial cell (EC) proliferation and migration/invasion. However, whether IL-1β affects hypoxic HUVECs by miR-24-3p is still unclear. Therefore, the present study aimed to investigate the role and underlying mechanism of interleukin 1β (IL-1β) in hypoxic HUVECs. Methods: We assessed the mRNA expression levels of miR-24-3p, hypoxia-inducible factor-1α (HIF1A) and NF-κB-activating protein (NKAP) by quantitative real-time polymerase chain reaction (RT-qPCR). ELISA measured the expression level of IL-1β. Cell counting kit-8 (CCK-8) assays evaluated the effect of miR-24-3p or si-NKAP+miR-24 on cell proliferation (with or without IL-1β). Transwell migration and invasion assays were used to examine the effects of miR-24-3p or si-NKAP+miR-24-3p on cell migration and invasion (with or without IL-1β). Luciferase reporter assays were used to identify the target of miR-24-3p. Results: We demonstrated that in acute myocardial infarction (AMI) patient blood samples, the expression of miR-24-3p is down-regulated, the expression of IL-1β or NKAP is up-regulated, and IL-1β or NKAP is negatively correlated with miR-24-3p. Furthermore, IL-1β promotes hypoxic HUVECs proliferation by down-regulating miR-24-3p. In addition, IL-1β also significantly promotes the migration and invasion of hypoxic HUVECs; overexpression of miR-24-3p can partially rescue hypoxic HUVECs migration and invasion. Furthermore, we discovered that NKAP is a novel target of miR-24-3p in hypoxic HUVECs. Moreover, both the overexpression of miR-24-3p and the suppression of NKAP can inhibit the NF-κB/pro-IL-1β signaling pathway. However, IL-1β mediates suppression of miR-24-3p activity, leading to activation of the NKAP/NF-κB pathway. In conclusion, our results reveal a new function of IL-1β in suppressing miR-24-3p up-regulation of the NKAP/NF-κB pathway.
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Min X, Cai M, Shao T, Xu Z, Liao Z, Liu D, Zhou M, Wu W, Zhou Y, Mo M, Xu S, Liu X, Xiong X. A circular intronic RNA ciPVT1 delays endothelial cell senescence by regulating the miR-24-3p/CDK4/pRb axis. Aging Cell 2022; 21:e13529. [PMID: 34902213 PMCID: PMC8761008 DOI: 10.1111/acel.13529] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 11/12/2021] [Accepted: 11/28/2021] [Indexed: 11/28/2022] Open
Abstract
Circular RNAs (circRNAs) have been established to be involved in numerous processes in the human genome, but their function in vascular aging remains largely unknown. In this study, we aimed to characterize and analyze the function of a circular intronic RNA, ciPVT1, in endothelial cell senescence. We observed significant downregulation of ciPVT1 in senescent endothelial cells. In proliferating endothelial cells, ciPVT1 knockdown induced a premature senescence-like phenotype, inhibited proliferation, and led to an impairment in angiogenesis. An in vivo angiogenic plug assay revealed that ciPVT1 silencing significantly inhibited endothelial tube formation and decreased hemoglobin content. Conversely, overexpression of ciPVT1 in old endothelial cells delayed senescence, promoted proliferation, and increased angiogenic activity. Mechanistic studies revealed that ciPVT1 can sponge miR-24-3p to upregulate the expression of CDK4, resulting in enhanced Rb phosphorylation. Moreover, enforced expression of ciPVT1 reversed the senescence induction effect of miR-24-3p in endothelial cells. In summary, the present study reveals a pivotal role for ciPVT1 in regulating endothelial cell senescence and may have important implications in the search of strategies to counteract the development of age-associated vascular pathologies.
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Affiliation(s)
- Xue Min
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Meng‐yun Cai
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Tong Shao
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Zi‐yang Xu
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Zhaofu Liao
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Dong‐liang Liu
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Meng‐yuan Zhou
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Wei‐peng Wu
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Yu‐lan Zhou
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Clinical Research Center Affiliated Hospital of Guangdong Medical University Zhanjiang China
| | - Miao‐hua Mo
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Shun Xu
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Xinguang Liu
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
| | - Xing‐dong Xiong
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Institute of Aging Research Guangdong Medical University Dongguan China
- Institute of Biochemistry & Molecular Biology Guangdong Medical University Zhanjiang China
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Bai XS, Zhang P, Liu YS, Liu H, Lv LW, Zhou YS. TRIB3 Promotes Osteogenic Differentiation of Human Adipose-derived Mesenchymal Stem Cells Levelled by Post-transcriptional Regulation of miR-24-3p. Chin J Dent Res 2021; 24:235-249. [PMID: 35029095 DOI: 10.3290/j.cjdr.b2440815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
OBJECTIVE To explore the effect of TRIB3 on the osteogenic differentiation of human adipose-derived mesenchymal stem cells (hASCs) and reveal the potential role of TRIB3 in bone regeneration. METHODS TRIB3-knockdown and TRIB3-overexpression hASCs were used to explore the effect of TRIB3 on osteogenic differentiation by alkaline phosphatase (ALP) staining, alizarin red S (ARS) staining, quantitative real-time polymerase chain reaction (qRT-PCR) and heterotopic bone formation. The regulation of miR-24-3p on TRIB3 was detected by qRT-PCR and western blot. Ribonucleic acid (RNA) sequencing was performed to investigate the downstream regulatory network of TRIB3. RESULTS TRIB3 promoted the osteogenic differentiation of hASCs both in vitro and in vivo. This process was regulated epigenetically by the post-transcriptional regulation of miR-24-3p, which could bind directly to the three prime untranslated region (3'UTR) of TRIB3 and inhibit TRIB3 expression. The downstream regulatory network of TRIB3-mediated osteogenic differentiation was related to calcium ion binding and cell metabolism, extracellular signal-regulated protein kinases 1 and 2 (ERK1/2) and nuclear factor-κB (NF-κB) signalling pathways. CONCLUSION TRIB3 is a promising therapeutic target for hASC-based bone tissue engineering and the epigenetic regulation of TRIB3 through miR-24-3p permits regulatory controllability, thus promoting osteogenesis through an important metabolic target while obtaining a safe and controllable effect via post-transcriptional epigenetic regulation.
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Cui X, Huang X, Huang M, Zhou S, Guo L, Yu W, Duan M, Jiang B, Zeng J, Zhou J, Huang X, Liang P, Zhang P. miR-24-3p obstructs the proliferation and migration of HSFs after thermal injury by targeting PPAR-β and positively regulated by NF-κB. Exp Dermatol 2021; 31:841-853. [PMID: 34932851 DOI: 10.1111/exd.14517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 12/03/2021] [Accepted: 12/19/2021] [Indexed: 11/30/2022]
Abstract
Thermal injury repair is a complex process during which the maintenance of the proliferation and migration of human skin fibroblasts (HSFs) exert a crucial role. MicroRNAs have been proven to exert an essential function in repairing skin burns. This study delves into the regulatory effects of miR-24-3p on the migration and proliferation of HSFs that have sustained a thermal injury; thereby, providing deeper insight into thermal injury repair pathogenesis. The PPAR-β protein expression level progressively increased in a time-dependent manner on the 12th , 24th , and 48th hour following the thermal injury of the HSFs. The knockdown of PPAR-β markedly suppressed the proliferation of and migration of HSF. Following thermal injury, the knockdown also promoted the inflammatory cytokine IL-6, TNF-, PTGS-2, and P65 expression. PPAR-β contrastingly exhibited an opposite trend. A targeted relationship between PPAR-β and miR-24-3p was predicted and verified. miR-24-3p inhibited thermal injured-HSFs proliferation and migration and facilitated inflammatory cytokine expression through the regulation of PPAR-β. p65 directly targeted the transcriptional precursor of miR-24 and promoted miR-24 expression. A negative correlation between miR-24-3p expression level and PPAR-β expression level in rats burnt dermal tissues was observed. Our findings reveal that miR-24-3p is conducive to rehabilitating the denatured dermis, which may be beneficial in providing effective therapy of skin burns.
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Affiliation(s)
- Xu Cui
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Xu Huang
- Department of Hyperbaric Oxygen, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Mitao Huang
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Situo Zhou
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Le Guo
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Wenchang Yu
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Mengting Duan
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Bimei Jiang
- Department of Pathophysiology, Xiangya School of Medicine, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Jizhang Zeng
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Jie Zhou
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Xiaoyuan Huang
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Pengfei Liang
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
| | - Pihong Zhang
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P. R. China
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Zhou C, Huang X, Li X, Xiong Y. Circular RNA erythrocyte membrane protein band 4.1 assuages ultraviolet irradiation-induced apoptosis of lens epithelial cells by stimulating 5'-bisphosphate nucleotidase 1 in a miR-24-3p-dependent manner. Bioengineered 2021; 12:8953-8964. [PMID: 34652259 PMCID: PMC8806953 DOI: 10.1080/21655979.2021.1990196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Apoptosis of lens epithelial cells contributed to the formation of age-related cataract (ARC), and previous data revealed that circular RNA (circRNA) was responsible for the underneath mechanism. The study was organized to explore the role of circular RNA erythrocyte membrane protein band 4.1 (circ_EPB41) in ultraviolet (UV) irradiation-induced apoptosis of lens epithelial cells. SRA01/04 cells were irradiated with UV to mimic the ARC cell model. The RNA levels of circ_EPB41, microRNA-24-3p (miR-24-3p), and 3ʹ(2ʹ), 5ʹ-bisphosphate nucleotidase 1 (BPNT1) were detected by quantitative real-time polymerase chain reaction. Protein expression was checked by western blot. 5-Ethynyl-29-deoxyuridine, 3-(4,5-Dimethylthazol-2-yl)-2,5-diphenyltetrazolium bromide and DNA content quantitation assays were performed to investigate cell proliferation. Flow cytometry was conducted to analyze cell apoptosis. Dual-luciferase reporter assay was implemented to confirm the interaction among circ_EPB41, miR-24-3p, and BPNT1. Our data showed that circ_EPB41 and BPNT1 expression were downregulated in ARC tissues and UV-irradiated SRA01/04 cells as compared with normal anterior lens capsules and untreated SRA01/04 cells. Circ_EPB41 overexpression ameliorated the effects of UV irradiation on the proliferation and apoptosis of SRA01/04 cells. Besides, miR-24-3p, a target miRNA of circ_EPB41, attenuated circ_EPB41 introduction-mediated proliferation, and apoptosis of UV-irradiated SRA01/04 cells. MiR-24-3p regulated UV irradiation-induced effects by targeting BPNT1. Importantly, it was found that circ_EPB41 stimulated BPNT1 production by miR-24-3p. Taken together, the enforced expression of circ_EPB41 ameliorated UV irradiation-induced apoptosis of lens epithelial cells by miR-24-3p/BPNT1 pathway, providing us with a potential target for the therapy of UV-caused ARC.
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Affiliation(s)
- Cuiyun Zhou
- Department of Ophthalmology, Jingmen First People's Hospital, Jingmen, Hubei, China
| | - Xiaoqiong Huang
- Department of Ophthalmology, Jingmen First People's Hospital, Jingmen, Hubei, China
| | - Xia Li
- Department of Ophthalmology, Jingmen First People's Hospital, Jingmen, Hubei, China
| | - Yan Xiong
- Department of Ophthalmology, Jingmen First People's Hospital, Jingmen, Hubei, China
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Pang M, Wei HX, Chen X. Long non-coding RNA potassium voltage-gated channel subfamily Q member 1 overlapping transcript 1 regulates the proliferation and osteogenic differentiation of human periodontal ligament stem cells by targeting miR-24-3p. Hua Xi Kou Qiang Yi Xue Za Zhi 2021; 39:547-554. [PMID: 34636202 DOI: 10.7518/hxkq.2021.05.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVES This study aims to explore the effect and molecular mechanism of long non-coding RNA (lncRNA) potassium voltage-gated channel subfamily Q member 1 overlapping transcript 1 (KCNQ1OT1) on proliferation and osteogenic differentiation in human periodontal ligament stem cells (hPDLSCs). METHODS The hPDLSCs of normal periodontal tissues were isolated and cultured. The mineralized solution induced the osteoblast differentiation of hPDLSCs. The down-regulation of lncRNA KCNQ1OT1, the overexpression of anti-miR-24-3p on the proliferation and the levels of osteocalcin (OCN), osteopontin (OPN) and alkaline phosphatase (ALP) of hPDLSCs were investigated. Real-time quantitative polymerase chain reaction (RT-qPCR) was used to detect the levels of lncRNA KCNQ1OT1, miR-24-3p, OCN, OPN, and ALP. Methyl thiazolyl tetrazolium (MTT) method was used to detect cell viability and activity. Cell proliferation was evaluated by MTT. Western blot was used to detect protein expression. The targeted relationship between lncRNA KCNQ1OT1 and miR-24-3p was detected by double-luciferase experiment. RESULTS The expression level of lncRNA KCNQ1OT1 increased, and that of miR-24-3p decreased during the osteogenesis of hPDLSCs (P<0.05). The down-regulation of lncRNA KCNQ1OT1 inhibited cell proliferation and reduced the mRNA and protein expression levels of OCN, OPN, and ALP (P<0.05). LncRNA KCNQ1OT1 targeted and regulated miR-24-3p. The overexpression of miR-24-3p inhibited cell proliferation and reduced the mRNA and protein expression levels of OCN, OPN, and ALP (P<0.05). Inhibition of miR-24-3p reversed the effect of the down-regulation of lncRNA KCNQ1OT1 on cell proliferation and mRNA and protein expression levels of OCN, OPN, and ALP (P<0.05). CONCLUSIONS Down-regulation of lncRNA KCNQ1OT1 inhibited the proliferation and osteogenic differentiation of hPDLSCs by targeting the up-regulated expression of miR-24-3p.
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Affiliation(s)
- Ming Pang
- Dept. of Stomatology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou 545005, China
| | - Hong-Xia Wei
- Dept. of Stomatology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou 545005, China
| | - Xi Chen
- Dept. of Stomatology, Beijing Rehabilitation Hospital of Capital Medical University, Beijing 100144, China
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Abstract
Lung cancer is a lethal cancer that threatens human health. Several studies have demonstrated the role of long non-coding RNAs (lncRNAs) in lung cancer. SOX21-AS1 is a newly discovered oncogenic lncRNA, but its molecular mechanism in lung cancer is not known. Here, the levels of SOX21-AS1, miR-24-3p, and PIM2 were examined in lung cancer and normal tissues. The relationships between miR-24-3p and SOX21-AS1 or PIM2 were predicted using bioinformatics tools and confirmed using a luciferase reporter assays. Colony formation, MTT, flow cytometry, and transwell assays were conducted to analyze cell proliferation, apoptosis, migration, and invasion abilities, respectively. Western blotting was used to measure PIM2 expression levels in cancer tissues and cells. SOX21-AS1 expression levels were high in lung cancer tissues and cells. In contrast, the amount of miR-24-3p bound to SOX21-AS1 was relatively low in cancerous tissues and cells. The knockdown of SOX21-AS1 decreased cell proliferation, activated apoptosis, and promoted cell migration and invasion. These effects were abolished by miR-24-3p inhibition. The oncogenic function of SOX21-AS1 mediated through targeting miR-24-3p was also demonstrated in animal models. PIM2 was targeted by miR-24-3p and showed increased levels in tumor tissues and cells. Furthermore, miR-24-3p overexpression inhibited the proliferation and promoted the apoptosis of lung cancer cells. In lung cancer cells, SOX21-AS1 negatively modulated the miR-24-3p/PIM2 axis to facilitate their proliferation, migration, and invasion. These findings offer a novel idea for future research on treating lung cancer at the molecular level.
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Affiliation(s)
- Fengfeng Wang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China.,Department of Respiration, People's Hospital of Jingjiang, Jingjiang, Jiangsu, China
| | - Tengfei Gu
- Department of Anesthesiology, People's Hospital of Lianshui County, Lianshui, Jiangsu, China
| | - Yao Chen
- Department of Respiration, People's Hospital of Jingjiang, Jingjiang, Jiangsu, China
| | - Yu Chen
- Department of Respiration, People's Hospital of Jingjiang, Jingjiang, Jiangsu, China
| | - Dan Xiong
- Department of Respiration, People's Hospital of Jingjiang, Jingjiang, Jiangsu, China
| | - Yehan Zhu
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China
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Wang Y, Ma M, Li C, Yang Y, Wang M. GAS6-AS1 Overexpression Increases GIMAP6 Expression and Inhibits Lung Adenocarcinoma Progression by Sponging miR-24-3p. Front Oncol 2021; 11:645771. [PMID: 34513660 PMCID: PMC8426347 DOI: 10.3389/fonc.2021.645771] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 04/01/2021] [Indexed: 12/20/2022] Open
Abstract
GAS6 antisense RNA 1 (GAS6-AS1) is a long non-coding RNA involved in hepatocellular carcinoma and gastric cancer. However, the functional role of GAS6-AS1 in lung adenocarcinoma (LUAD) remains unclear. In the present study, qRT-PCR was used to measure the levels of GAS6-AS1, GIMAP6 and miR-24-3p expression in LUAD samples and cell lines. CCK-8 and colony formation assays were used to determine cell proliferation. Cell migration and invasion were evaluated using wound healing and transwell assays, respectively. The potential interactions between molecules were assessed using RNA immunoprecipitation and luciferase reporter assays. Western blot analysis was used to quantify protein expression. The anti-tumor effect of over-expressed GAS6-AS1 on LUAD was also examined in vivo in xenograft tumor experiments. The expression of GAS6-AS1 was notably downregulated in LUAD samples and cell lines and associated with a poor prognosis. GAS6-AS1 overexpression inhibited the migration and invasion of A549 and H1650 cells. Down-expressed GAS6-AS1 acted as a sponge for miR-24-3p and down-regulated the expression of its target, GTPase IMAP Family Member 6. These findings suggested that GAS6-AS1 might represent a potential diagnostic biomarker for LUAD.
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Affiliation(s)
- Yuanyong Wang
- Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Minge Ma
- Department of Radiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Chuan Li
- Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yuling Yang
- Department of Infectious Diseases, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Maolong Wang
- Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
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Bian Q, Chen B, Weng B, Chu D, Tang X, Yan S, Yin Y, Ran M. circBTBD7 Promotes Immature Porcine Sertoli Cell Growth through Modulating miR-24-3p/ MAPK7 Axis to Inactivate p38 MAPK Signaling Pathway. Int J Mol Sci 2021; 22:9385. [PMID: 34502294 DOI: 10.3390/ijms22179385] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/23/2021] [Accepted: 08/27/2021] [Indexed: 12/12/2022] Open
Abstract
Sertoli cells are the crucial coordinators to guarantee normal spermatogenesis and male fertility. Although circular RNAs (circRNAs) exhibit developmental-stage-specific expression in porcine testicular tissues and have been thought of as potential regulatory molecules in spermatogenesis, their functions and mechanisms of action remain largely unknown, especially in domestic animals. A novel circBTBD7 was identified from immature porcine Sertoli cells using reverse transcription PCR, Sanger sequencing, and fluorescence in situ hybridization assays. Functional assays illustrated that circBTBD7 overexpression promoted cell cycle progression and cell proliferation, as well as inhibited cell apoptosis in immature porcine Sertoli cells. Mechanistically, circBTBD7 acted as a sponge for the miR-24-3p and further facilitated its target mitogen-activated protein kinase 7 (MAPK7) gene. Overexpression of miR-24-3p impeded cell proliferation and induced cell apoptosis, which further attenuated the effects of circBTBD7 overexpression. siRNA-induced MAPK7 deficiency resulted in a similar effect to miR-24-3p overexpression, and further offset the effects of miR-24-3p inhibition. Both miR-24-3p overexpression and MAPK7 knockdown upregulated the p38 phosphorylation activity. The SB202190 induced the inhibition of p38 MAPK pathway and caused an opposite effect to that of miR-24-3p overexpression and MAPK7 knockdown. Collectively, circBTBD7 promotes immature porcine Sertoli cell growth through modulating the miR-24-3p/MAPK7 axis to inactivate the p38 MAPK signaling pathway. This study expanded our knowledge of noncoding RNAs in porcine normal spermatogenesis through deciding the fate of Sertoli cells.
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Dong F, Pu Y, Lv Y, Liu X, Cao Y. Protective effect of Pulsatilla saponin A on acute myocardial infarction via miR-24-3p/p16. Toxicol Mech Methods 2021; 32:27-36. [PMID: 34412561 DOI: 10.1080/15376516.2021.1963364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The effect of Pulsatilla saponin A (PsA) on acute myocardial infarction (AMI) was unknown. This study targeted to examine the roles of PsA on hypoxia-triggered toxicity to H9c2 cells and reveal the potential mechanism. H9c2 cells were maintained under a hypoxic environment for 12 h to construct the AMI cell model and the cells were pretreated by PsA. Hypoxia triggered toxicity to H9c2 cells and the anti-toxicity effect of PsA was evaluated by CCK8, TUNEL, and Western blot. The levels of miR-24-3p and p16 in H9c2 cells, AMI group tissues, and their respective controls were assessed using qRT-PCR. The dual-luciferase assay was applied to verify the targeting mechanism of miR-24-3p on p16. Then the effects of miR-24-3p inhibitor or/and si-p16 on H9c2 cells treated with PsA under hypoxia were detected by CCK8, TUNEL, and Western blot. Flow cytometry was executed to determine the cell cycle. Hypoxia decreased viability and proliferation and increased apoptosis of H9c2 cells, which were ameliorated by PsA pretreatment. The level of miR-24-3p was diminished, but p16 expression was elevated in hypoxia-treated cells and AMI group tissues. MiR-24-3p could sponge p16 in hypoxia-treated cells. Furthermore, the impact of applying miR-24-3p inhibitor on PsA and hypoxia-treated cells could be reversed by si-p16. PsA relieved hypoxia-triggered cell toxicity via miR-24-3p/p16 axis. These findings provided some fresh insights into the potential therapeutic effects of the application of PsA in AMI.
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Affiliation(s)
- Feng Dong
- Department of General Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan City, China
| | - Yanhua Pu
- Department of General Family Medicine No.1, The Fourth Hospital of Jinan, Jinan City, China
| | - Yanfei Lv
- Department of Rehabilitation Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan City, China
| | - Xiujuan Liu
- Department of Cardiology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan City, China
| | - Yimin Cao
- Department of Emergency, Jinan Traditional Chinese Medicine Hospital, Jinan City, China
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Di G, Yang X, Cheng F, Liu H, Xu M. CEBPA-AS1 Knockdown Alleviates Oxygen-Glucose Deprivation/Reperfusion-Induced Neuron Cell Damage by the MicroRNA 24-3p/BOK Axis. Mol Cell Biol 2021; 41:e0006521. [PMID: 34001648 DOI: 10.1128/MCB.00065-21] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Cerebral ischemia/reperfusion (I/R) can lead to serious brain function impairments. Long noncoding RNA (lncRNA) CCAAT enhancer binding protein α antisense RNA 1 (CEBPA-AS1) was shown to be upregulated in human ischemic stroke. This study investigated the function and mechanism of CEBPA-AS1 in I/R. An oxygen-glucose deprivation/reperfusion (OGD/R) model was used to induce I/R injury in SH-SY5Y cells in vitro. RT-qPCR examined the expression of CEBPA-AS1, microRNA 24-3p (miR-24-3p), and Bcl-2-related ovarian killer (Bok). The cell viability, apoptosis, oxidative stress in OGD/R-treated cells were detected using CCK-8, flow cytometry, Western blotting, and enzyme-linked immunosorbent assays. The relationship among genes was tested by RNA pulldown and luciferase reporter assays. We found that OGD/R upregulated CEBPA-AS1 expression in SH-SY5Y cells. Functionally, CEBPA-AS1 depletion ameliorated OGD/R-induced apoptosis and oxidative stress in SH-SY5Y cells by reducing reactive oxygen species production and superoxide dismutase and glutathione. Mechanistic investigations indicated that CEBPA-AS1 acts as a sponge for miR-24-3p, and miR-24-3p binds to BOK. Moreover, miR-24-3p upregulation or BOK downregulation antagonized the protective role of CEBPA-AS1 depletion in SH-SY5Y cells exposed to OGD/R. Overall, downregulation of CEBPA-AS1 exerts protective functions against OGD/R-induced injury by targeting the miR-24-3p/BOK axis.
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Qi Y, Ma N, Chen X, Wang Y, Zhang W, Wan J. CircRtn4 Acts as the Sponge of miR-24-3p to Promote Neurite Growth by Regulating CHD5. Front Mol Neurosci 2021; 14:660429. [PMID: 34305525 PMCID: PMC8294096 DOI: 10.3389/fnmol.2021.660429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 04/09/2021] [Indexed: 11/18/2022] Open
Abstract
Circular RNAs (circRNAs) are covalently closed single-stranded RNA molecules. After derived from precursor mRNA back-splicing, circRNAs play important roles in many biological processes. Recently, it was shown that several circRNAs were enriched in the mammalian brain with unclear functions. The expression of circRtn4 in the mouse brain was increased with the differentiation of primary neurons. In our study, knockdown of circRtn4 inhibited neurite growth, while overexpression of circRtn4 significantly increased neurite length. By dual-luciferase reporter assay and RNA antisense purification assay, circRtn4 was identified as a miRNA sponge for miR-24-3p. Moreover, knockdown of miR-24-3p increased neurite length, while overexpression of miR-24-3p significantly inhibited neurite growth. Furthermore, CHD5 was confirmed to be a downstream target gene of miR-24-3p. And CHD5 silence counteracted the positive effect of circRtn4 overexpression on neurite growth. In conclusion, circRtn4 may act as the sponge for miR-24-3p to promote neurite growth by regulating CHD5.
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Affiliation(s)
- Yue Qi
- Shenzhen Key Laboratory for Neuronal Structural Biology, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Nana Ma
- Shenzhen Key Laboratory for Neuronal Structural Biology, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Xiaofan Chen
- Shenzhen Key Laboratory for Neuronal Structural Biology, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Yue Wang
- Shenzhen Key Laboratory for Neuronal Structural Biology, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Wei Zhang
- Shenzhen Key Laboratory for Neuronal Structural Biology, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, China.,Greater Bay Biomedical Innocenter, Shenzhen Bay Laboratory, Shenzhen, China
| | - Jun Wan
- Shenzhen Key Laboratory for Neuronal Structural Biology, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, China.,Greater Bay Biomedical Innocenter, Shenzhen Bay Laboratory, Shenzhen, China.,Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
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Xu J, Qian X, Ding R. MiR-24-3p attenuates IL-1β-induced chondrocyte injury associated with osteoarthritis by targeting BCL2L12. J Orthop Surg Res 2021; 16:371. [PMID: 34116684 PMCID: PMC8194242 DOI: 10.1186/s13018-021-02378-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 03/22/2021] [Indexed: 12/26/2022] Open
Abstract
Background MiR-24-3p has been reported to be involved in an osteoarthritis (OA)-resembling environment. However, the functional role and underlying mechanism of miR-24-3p in chondrocyte injury associated with OA remains unknown. Methods The expression of miR-24-3p was determined using reverse transcription quantitative PCR analysis in OA cases and control patients, as well as IL-1β-stimulated chondrocyte cell line CHON-001. The cell viability was analyzed by CCK-8 assay. Apoptosis status was assessed by caspase-3 activity detection. The pro-inflammatory cytokines (TNF-α and IL-18) were determined using ELISA assay. The association between miR-24-3p and B cell leukemia 2-like 12 (BCL2L12) was confirmed by luciferase reporter assay. Results We first observed that miR-24-3p expression level was lower in the OA cases than in the control patients and IL-1β decreased the expression of miR-24-3p in the chondrocyte CHON-001. Functionally, overexpression of miR-24-3p significantly attenuated IL-1β-induced chondrocyte injury, as reflected by increased cell viability, decreased caspase-3 activity, and pro-inflammatory cytokines (TNF-α and IL-18). Western blot analysis showed that overexpression of miR-24-3p weakened IL-1β-induced cartilage degradation, as reflected by reduction of MMP13 (Matrix Metalloproteinase-13) and ADAMTS5 (a disintegrin and metalloproteinase with thrombospondin motifs-5) protein expression, as well as markedly elevation of COL2A1 (collagen type II). Importantly, BCL2L12 was demonstrated to be a target of miR-24-3p. BCL2L12 knockdown imitated, while overexpression significantly abrogated the protective effects of miR-24-3p against IL-1β-induced chondrocyte injury. Conclusions In conclusion, our work provides important insight into targeting miR-24-3p/BCL2L12 axis in OA therapy.
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Affiliation(s)
- Jin Xu
- Department of Orthopedics, Baoshan District Shanghai Integrated Traditional Chinese and Western Medicine Hospital, No. 181 Youyi Road, Baoshan District, Shanghai, 201999, China
| | - Xiaozhong Qian
- Department of Orthopedics, Shuguang Hospital Baoshan Branch, Shanghai University of Traditional Chinese Medicine, Shanghai, 201999, China.,Department of Orthopedics, Community Health Center of Songnan Town, Baoshan District, Shanghai, 200441, China
| | - Ren Ding
- Department of Orthopedics, Baoshan District Shanghai Integrated Traditional Chinese and Western Medicine Hospital, No. 181 Youyi Road, Baoshan District, Shanghai, 201999, China.
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Zhao L, Shen J, Jia K, Shi F, Hao Q, Gao F. MicroRNA-24-3p Inhibits Microglia Inflammation by Regulating MK2 Following Spinal Cord Injury. Neurochem Res 2021; 46:843-852. [PMID: 33439430 DOI: 10.1007/s11064-020-03211-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 06/30/2020] [Accepted: 12/18/2020] [Indexed: 11/27/2022]
Abstract
Spinal cord injury (SCI) is a functional impairment of the spinal cord caused by external forces, accompanied by limb movement disorders and permanent paralysis, which seriously lowers the life quality of SCI patients. Secondary injury caused by inflammation attenuated the therapeutic effects of SCI. Therefore, the exploration of biomarkers associated with the inflammatory response following SCI might provide novel therapy strategy against SCI.SCI rat model was established as previously reported and evaluated by BBB score. The expression of microRNA-24-3p (miR-24-3p) and MAPK-activated protein kinase 2 (MK2) in spinal cord tissues of SCI rats and HAPI cells was analyzed by qRT-PCR. Protein expression of MK2, ionized calcium-binding adapter molecule-1 (Iba-1), tumor necrosis factor-alpha (TNF-α), and interleukin-1β (IL-1β) was assessed by western blot assay. The release of inflammatory cytokines TNF-α and IL-1β was measured by enzyme-linked immunosorbent assay (ELISA). The interaction between miR-24-3p and MK2 was examined by the luciferase reporter system. Basso-Beattie-Bresnahan (BBB) score dramatically reduced in rats following SCI compared with sham rats. Moreover, the expression of miR-24-3p was down-regulated, while MK2 was up-regulated in the spinal cord tissues of SCI rats and LPS-induced microglia cells compared with the corresponding control group. Luciferase reporter system confirmed the interaction between miR-24-3p and MK2. In addition, miR-24-3p upregulation or MK2 knockdown attenuated LPS induced activation of microglial cells and expression of inflammatory cytokine TNF-α and IL-1β. Besides, we discovered that miR-24-3p regulated inflammation of highly aggressively proliferating immortalized (HAPI) cells by targeting MK2.In our study, we clarified that miR-24-3p repressed inflammation of microglia cells following SCI by regulating MK2, thereby providing promising biomarkers for SCI therapy.
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Affiliation(s)
- Lin Zhao
- Department of Human Anatomy, Medical College of Yan'an University, Yan'an, 716000, Shaanxi, China
| | - Juan Shen
- Department of Human Anatomy, Medical College of Yan'an University, Yan'an, 716000, Shaanxi, China
| | - Kunpeng Jia
- Department of Pediatrics, Affiliated Hospital of Yan'an University, Yan'an, 716000, Shaanxi, China
| | - Fangfang Shi
- Department of Human Anatomy, Medical College of Yan'an University, Yan'an, 716000, Shaanxi, China
| | - Qin Hao
- Department of Nursing, Medical College of Yan'an University, Guanghua Road, Baota District, Yan'an, 716000, Shaanxi, China.
| | - Feng Gao
- Department of Physiology, Medical College of Yan'an University, Guanghua Road, Baota District, Yan'an, 716000, Shaanxi, China.
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Xiao ZS, Zhao L, Zhang XN, Li HX, Yin ZH. Effect of rs67085638 in long non-coding RNA (CCAT1) on colon cancer chemoresistance to paclitaxel through modulating the microRNA-24-3p and FSCN1. J Cell Mol Med 2021; 25:3744-3753. [PMID: 33709519 PMCID: PMC8051717 DOI: 10.1111/jcmm.16210] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 09/17/2020] [Accepted: 11/01/2020] [Indexed: 12/21/2022] Open
Abstract
It has been reported that rs67085638 in long non-coding RNAs (lncRNA)-CCAT1 was associated with the risk of tumorigenesis. Also, CCAT1 could affect chemoresistance of cancer cells to paclitaxel (PTX) via regulating miR-24-3p and FSCN1 expression. In this study, we aimed to investigate the effect of rs67085638 on the expression of CCAT1/miR-24-3p/FSCN1 and the response of colon cancer to the treatment of PTX. 48 colon cancer patients were recruited and grouped by their genotypes of rs67085638 polymorphism as a CC group (N = 28) and a CT group (N = 20). PCR analysis, IHC assay and Western blot, TUNEL assay and flow cytometry were conducted. LncRNA-CCAT1 and FSCN1 mRNA/protein were overexpressed, whereas miR-24-3p was down-regulated in the CT-genotyped patients and cells compared with those in the CC-genotyped patients and cells. The survival of colon cancer cells was decreased, whereas the apoptosis of colon cancer cells was increased by PTX treatment in a dose-dependent manner. MiR-24-3p was validated to target lncRNA-CCAT1 and FSCN1 mRNA, and the overexpression of CCAT1 could reduce the expression of miR-24-3p although elevating the expression of FSCN1. Knockdown of lncRNA-CCAT1 partly reversed the suppressed growth of CT-genotyped tumours. And the knockdown of lncRNA-CCAT1 partly reversed the dysregulation of lncRNA-CCAT1 and FSCN1 mRNA/protein in rs67085638-CT + NC shRNA mice. The findings of this study demonstrated that the presence of the minor allele of rs67085638 increased the expression of CCAT1 and accordingly enhanced the resistance to PTX. Down-regulation of CCAT1 significantly re-stored the sensitivity to PTX of colon cancer cells.
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Affiliation(s)
- Zhong-Sheng Xiao
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Lei Zhao
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Xiao-Ning Zhang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Han-Xian Li
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Zhi-Hui Yin
- Department of Anorectal Disease, The First Affiliated Hospital of University of South China, Hengyang, China
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Kuai F, Zhou L, Zhou J, Sun X, Dong W. Long non-coding RNA THRIL inhibits miRNA-24-3p to upregulate neuropilin-1 to aggravate cerebral ischemia-reperfusion injury through regulating the nuclear factor κB p65 signaling. Aging (Albany NY) 2021; 13:9071-9084. [PMID: 33675584 PMCID: PMC8034910 DOI: 10.18632/aging.202762] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/29/2020] [Indexed: 12/19/2022]
Abstract
Purpose: The aim of this study was to investigate the role of the tumor necrosis factor and HNRNPL related immunoregulatory long non-coding RNA (THRIL) in cerebral ischemia-reperfusion injury. Methods: A rat middle cerebral artery occlusion/ischemia-reperfusion (MCAO/IR) model and an oxygen glucose deprivation/reoxygenation (OGD/R) cell model were constructed. THRIL was knocked down using siTHRIL. Neurological deficit score was detected based on the criteria of Zea-Longa. Brain region 2,3,5-Triphenyltetrazolium (TTC) staining and quantitative analysis of cerebral infarction volume, RT-qPCR, and fluorescence immunostaining were performed for assessing THRIL expression. MTT assay was used to detect the cell proliferation ability after transfection, TUNEL assay was applied to detect apoptosis, and western blot and ELISA detected related protein expression. A dual luciferase reporter system and RIP assay were used to confirm the target relationship. Results: THRIL was upregulated in both in vitro and in vivo models of brain ischemia-reperfusion injury. Knockdown of THRIL attenuated OGD/R neuronal apoptosis and OGD/R-induced inflammation. THRIL targeted and regulated the expression of miR-24-3p/neuropilin-1 (NRP1) axis. THRIL silencing significantly improved the neurological functioning of rats in the MCAO/R model by miR-24-3p/NRP1/NF-κB p65 signaling pathway. Conclusion: THRIL could aggravate cerebral ischemia-reperfusion injury by competitively binding to miR-24-3p to promote the upregulation of NRP1 and further promoted the activation of the NF-κB p65 signaling pathway.
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Affiliation(s)
- Feng Kuai
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China.,Department of Geriatrics, The First People's Hospital of Yancheng, The Forth Affiliated Hospital of Nantong University, Yancheng 224001, China
| | - Liang Zhou
- Department of orthopedic, The People's Hospital of Lianshui, Huai'an 223001, China
| | - Jianping Zhou
- Department of Geriatrics, The First People's Hospital of Yancheng, The Forth Affiliated Hospital of Nantong University, Yancheng 224001, China
| | - Xuemei Sun
- Department of Geriatrics, The First People's Hospital of Yancheng, The Forth Affiliated Hospital of Nantong University, Yancheng 224001, China
| | - Wanli Dong
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
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Mone P, Gambardella J, Wang X, Jankauskas SS, Matarese A, Santulli G. miR-24 Targets the Transmembrane Glycoprotein Neuropilin-1 in Human Brain Microvascular Endothelial Cells. Noncoding RNA 2021; 7:9. [PMID: 33540664 PMCID: PMC7931075 DOI: 10.3390/ncrna7010009] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/29/2021] [Accepted: 01/31/2021] [Indexed: 02/06/2023] Open
Abstract
Neuropilin-1 is a transmembrane glycoprotein that has been implicated in several processes including angiogenesis and immunity. Recent evidence has also shown that it is implied in the cellular internalization of the severe acute respiratory syndrome coronavirus (SARS-CoV-2), which causes the coronavirus disease 2019 (COVID-19). We hypothesized that specific microRNAs can target Neuropilin-1. By combining bioinformatic and functional approaches, we identified miR-24 as a regulator of Neuropilin-1 transcription. Since Neuropilin-1 has been shown to play a key role in the endothelium-mediated regulation of the blood-brain barrier, we validated miR-24 as a functional modulator of Neuropilin-1 in human brain microvascular endothelial cells (hBMECs), which are the most suitable cell line for an in vitro blood-brain barrier model.
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Affiliation(s)
- Pasquale Mone
- Department of Medicine, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Einstein Institute for Aging Research, Albert Einstein College of Medicine, New York, NY 10461, USA; (P.M.); (J.G.); (X.W.); (S.S.J.)
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80100 Naples, Italy
| | - Jessica Gambardella
- Department of Medicine, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Einstein Institute for Aging Research, Albert Einstein College of Medicine, New York, NY 10461, USA; (P.M.); (J.G.); (X.W.); (S.S.J.)
- Department of Molecular Pharmacology, Einstein-Mount Sinai Diabetes Research Center (ES-DRC), Fleischer Institute for Diabetes and Metabolism (FIDAM), Albert Einstein College of Medicine, New York, NY 10461, USA
- Department of Advanced Biomedical Science, “Federico II” University, and International Translational Research and Medical Education (ITME), 80131 Naples, Italy
| | - Xujun Wang
- Department of Medicine, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Einstein Institute for Aging Research, Albert Einstein College of Medicine, New York, NY 10461, USA; (P.M.); (J.G.); (X.W.); (S.S.J.)
- Department of Molecular Pharmacology, Einstein-Mount Sinai Diabetes Research Center (ES-DRC), Fleischer Institute for Diabetes and Metabolism (FIDAM), Albert Einstein College of Medicine, New York, NY 10461, USA
| | - Stanislovas S. Jankauskas
- Department of Medicine, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Einstein Institute for Aging Research, Albert Einstein College of Medicine, New York, NY 10461, USA; (P.M.); (J.G.); (X.W.); (S.S.J.)
- Department of Molecular Pharmacology, Einstein-Mount Sinai Diabetes Research Center (ES-DRC), Fleischer Institute for Diabetes and Metabolism (FIDAM), Albert Einstein College of Medicine, New York, NY 10461, USA
| | | | - Gaetano Santulli
- Department of Medicine, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Einstein Institute for Aging Research, Albert Einstein College of Medicine, New York, NY 10461, USA; (P.M.); (J.G.); (X.W.); (S.S.J.)
- Department of Molecular Pharmacology, Einstein-Mount Sinai Diabetes Research Center (ES-DRC), Fleischer Institute for Diabetes and Metabolism (FIDAM), Albert Einstein College of Medicine, New York, NY 10461, USA
- Department of Advanced Biomedical Science, “Federico II” University, and International Translational Research and Medical Education (ITME), 80131 Naples, Italy
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Yang Z, Duan X, Wang X, Li D, Xu Q, Xiang S, Guo B, He L. The effect of Q-switched 1064-nm dymium-doped yttrium aluminum garnet laser on the skin barrier and collagen synthesis through miR-24-3p. Lasers Med Sci 2021; 37:205-214. [PMID: 33400013 PMCID: PMC8803697 DOI: 10.1007/s10103-020-03214-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/26/2020] [Indexed: 11/26/2022]
Abstract
Due to the increase of the world’s population aging, how to restore youthfulness to the skin has attracted much attention. It is well known that collagen synthesis and changes in skin barrier play an important role in the process of skin aging. However, whether Q-switched 1064-nm Nd:YAG laser (1064-QSNYL) determines the involvement of miRNAs in skin collagen synthesis and skin barrier changes remains to be elucidated. Upstream miRNAs of p38 molecular pathway have been predicted by bioinformatic database and the relationship between miRNAs and p38 verified by dual-luciferase reporter gene and Western blotting. RT-qPCR analysis detected the expression of miR-24-3p and mRNA for collagen and skin barrier–related molecules, such as keratin 10 (K10), filaggrin, and Aquaporin 4 (APQ4), in mice back skin and in the keratinocyte cell line HaCaT. Western blotting and immunofluorescence (IF) have been used to detect collagen expression and to localize, as well as quantify K10, filaggrin, and APQ4, respectively. In this study, we show that p38 is the main target gene of miRNA-24-3p, and laser irradiation at 1.5 J/cm2 inhibits miR-24-3p expression. Irradiation treatment upregulates the moisture, elasticity, hydroxyproline, and superoxide dismutase content of mice skin, as well as inhibits trans-epidermal water loss. Irradiation also increases collagen, K10, filaggrin, and APQ4 in both mice skin and HaCaT cells. Interestingly, we found that miR-24-3p overexpression inhibits the effect of irradiation on collagen synthesis and skin barrier. We show for the first time that 1064-QSNYL promotes collagen synthesis and protective effects on skin barrier by downregulating miR-24-3p.
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Affiliation(s)
- Zhi Yang
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, No. 295, Xichang Road, Kunming, 650032, Yunnan Province, People's Republic of China.
| | - Xiaoxia Duan
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, No. 295, Xichang Road, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Xue Wang
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, No. 295, Xichang Road, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Dongqing Li
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, No. 295, Xichang Road, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Qi Xu
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, No. 295, Xichang Road, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Shunli Xiang
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, No. 295, Xichang Road, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Birun Guo
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, No. 295, Xichang Road, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Li He
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, No. 295, Xichang Road, Kunming, 650032, Yunnan Province, People's Republic of China.
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Xiang Y, Peng J, Nie H, Ou B. In vitro investigation of protective mechanisms of triptolide against coronary heart disease by regulating miR-24-3p-BCL2L11 axis and PPARs-PGC1α pathway. Am J Transl Res 2020; 12:7982-7994. [PMID: 33437374 PMCID: PMC7791505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 11/18/2020] [Indexed: 06/12/2023]
Abstract
Coronary heart disease (CHD) is a fatal disease associated with coronary atherosclerosis. Although triptolide (TTL) has been reported to protect against CHD, the mechanism has not yet been determined. This study intended to explore its molecular regulation mechanism in CHD. It is shown in this study that TTL contributed to the proliferation and migration of in vitro cell models of CHD (endothelial cells) and the inhibition of apoptosis, and had an improvement effect on apoptosis factors and endoplasmic reticulum stress (ERS). From its mechanisms, TTL evidently downregulates miR-24-3p which is elevated in CHD, and evidently upregulates BCL2-like 11 (BCL2L11) which is suppressed in CHD, as well as affects the activation of peroxisome proliferator-activated receptors (PPARs)-Peroxisome proliferator activated receptor-γ co-activator-1α (PGC-1α) pathway of nuclear receptor transcription factors. In addition, miR-24-3p-BCL2L11-PPARs-PGC1α axis regulates protective effects of TTL against CHD.
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Affiliation(s)
- Yi Xiang
- Geriatrics Center, Hunan Provincial People’s HospitalChangsha 410000, Hunan Province, China
| | - Jianqiao Peng
- Department of Laboratory Medicine, Hunan Provincial People’s HospitalChangsha 410000, Hunan Province, China
| | - Hao Nie
- Geriatrics Center, Hunan Provincial People’s HospitalChangsha 410000, Hunan Province, China
| | - Baiqing Ou
- Geriatrics Center, Hunan Provincial People’s HospitalChangsha 410000, Hunan Province, China
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Shen D, Liu Y, Liu Y, Wang T, Yuan L, Huang X, Wang Y. Long non-coding RNA EWSAT1 promoted metastasis and actin cytoskeleton changes via miR-24-3p sponging in osteosarcoma. J Cell Mol Med 2020; 25:716-728. [PMID: 33225581 PMCID: PMC7812296 DOI: 10.1111/jcmm.16121] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 08/10/2020] [Accepted: 11/06/2020] [Indexed: 12/13/2022] Open
Abstract
Non‐coding RNAs are closely associated with tumorigenesis in multiple malignant tumours, including osteosarcoma (OS). Long non‐coding RNA Ewing sarcoma‐associated transcript 1 (EWSAT1) plays a role in metastasis, and actin cytoskeletal changes in OS remain unclear. In the current study, we showed that EWSAT1 expression was up‐regulated in OS and that an elevation in the EWSAT1 expression level was correlated with poor prognosis in patients with OS. Functionally, we showed that knockdown of EWSAT1 suppressed migration and induced actin stress fibre degradation in MNNG/HOS and 143B cells. Moreover, we found that ROCK1 was a key downstream effector in EWSAT1‐mediated cell migration and actin stress fibre changes. Furthermore, we demonstrated that ROCK1 and EWSAT1 shared a similar microRNA response element of microRNA‐24‐3p (miR‐24‐3p). Moreover, we verified that miR‐24‐3p suppressed ROCK1 and its mediated migration and actin stress fibres change by direct targeting. EWSAT1 promoted ROCK1‐mediated migration and actin stress fibre formation through miR‐24‐3p sponging. Lastly, through an in vivo study, we demonstrated that EWSAT1 promoted lung metastasis in OS. According to the above‐mentioned results, we suggest that EWSAT1 acts as an oncogene and that EWSAT1/miR‐24‐3p/ROCK1 axial could be a new target in the treatment of OS.
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Affiliation(s)
- Dewei Shen
- 4th Department of Orthopaedic Surgery, Central Hospital affiliated to Shenyang Medical College, Shenyang, China
| | - Yize Liu
- 4th Department of Orthopaedic Surgery, Central Hospital affiliated to Shenyang Medical College, Shenyang, China
| | - Yuexin Liu
- School of Basic Medical Sciences, Shenyang Medical College, Shenyang, China
| | - Tao Wang
- 4th Department of Orthopaedic Surgery, Central Hospital affiliated to Shenyang Medical College, Shenyang, China
| | - Lin Yuan
- 2nd Department of Orthopaedic Surgery, Second Affiliated Hospital of Shenyang Medical College, Shenyang, China
| | - Xuyang Huang
- 2nd Department of Neurology, Central Hospital affiliated to Shenyang Medical College, Shenyang, China
| | - Yong Wang
- 4th Department of Orthopaedic Surgery, Central Hospital affiliated to Shenyang Medical College, Shenyang, China.,Central Laboratory, Central Hospital Affiliated to Shenyang Medical College, Shenyang, China
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Shan QL, Chen NN, Meng GZ, Qu F. Overexpression of lncRNA MT1JP Mediates Apoptosis and Migration of Hepatocellular Carcinoma Cells by Regulating miR-24-3p. Cancer Manag Res 2020; 12:4715-4724. [PMID: 32606962 PMCID: PMC7308148 DOI: 10.2147/cmar.s249582] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 04/23/2020] [Indexed: 12/24/2022] Open
Abstract
Objective This study aimed to determine the effects of the long non-coding (lnc) RNA MT1JP on the apoptosis and migration of hepatocellular carcinoma cells. Patients and Methods Patients with liver cancer admitted to the Second People’s Hospital of Liaocheng were included in this study. We transfected hepatocellular carcinoma cells with MT1JP and miR-24-3p and assessed their expression and effects on apoptosis and migration. Correlations were verified using a dual-luciferase reporter and RNA-binding protein coimmunoprecipitation. Results The expression of MT1JP was downregulated (P < 0.05), whereas that of miR-24-3p was upregulated in liver cancer. Serum MT1JP levels were correlated with tumor size, alpha-fetoprotein (AFP), TNM stage, differentiation, and lymph node metastasis. Both MT1JP overexpression and miR-24-3p inhibition inhibited cellular proliferation and migration and increased apoptosis rates. They significantly downregulated expression of the cell migration-associated proteins matrix metalloproteinase -2, -9 (MMP-2, MMP-9) (P < 0.05). They upregulated the expression of Bcl-2-related X protein (Bax) and cysteinyl aspartate-specific proteinases (Caspase-3 and -9) proteins that are involved in apoptosis. They decreased expression of B-cell lymphoma/leukemia-2 (Bcl-2; P < 0.05). A target relationship between MT1JP and miR-24-3p was identified using dual-luciferase gene reporter assays and RNA-binding protein coimmunoprecipitations. MT1JP overexpression significantly downregulated miR-24-3p expression (P < 0.05). MT1JP and miR-24-3p expression were negatively correlated in liver cancer tissues (r = −0.561, P < 0.001; Pearson χ2 tests). Rescue experiments showed that upregulating miR-24-3p expression could counteract MT1JP overexpression in hepatocellular carcinoma cells. Conclusion MT1JP, even when expressed at low levels, participates in the proliferation, apoptosis, and migration of liver cancer cells by regulating miR-24-3p.
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Affiliation(s)
- Qiu-Li Shan
- College of Biological Science and Technology, University of Jinan, Jinan, Shandong Province 250022, People's Republic of China
| | - Ning-Ning Chen
- College of Biological Science and Technology, University of Jinan, Jinan, Shandong Province 250022, People's Republic of China
| | - Gui-Zhi Meng
- Department of Pediatrics, The Second People's Hospital of Liaocheng, Liaocheng City, Shandong Province, People's Republic of China
| | - Fan Qu
- College of Biological Science and Technology, University of Jinan, Jinan, Shandong Province 250022, People's Republic of China
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Marchetti M, Meloni M, Anwar M, Al-Haj-Zen A, Sala-Newby G, Slater S, Ford K, Caporali A, Emanueli C. MicroRNA-24-3p Targets Notch and Other Vascular Morphogens to Regulate Post-ischemic Microvascular Responses in Limb Muscles. Int J Mol Sci 2020; 21:E1733. [PMID: 32138369 PMCID: PMC7084374 DOI: 10.3390/ijms21051733] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/19/2020] [Accepted: 02/20/2020] [Indexed: 12/16/2022] Open
Abstract
MicroRNAs (miRs) regulate complex processes, including angiogenesis, by targeting multiple mRNAs. miR-24-3p-3p directly represses eNOS, GATA2, and PAK4 in endothelial cells (ECs), thus inhibiting angiogenesis during development and in the infarcted heart. miR-24-3p is widely expressed in cardiovascular cells, suggesting that it could additionally regulate angiogenesis by acting on vascular mural cells. Here, we have investigated: 1) new miR-24-3p targets; 2) the expression and the function of miR-24-3p in human vascular ECs; 3) the impact of miR-24-3p inhibition in the angiogenesis reparative response to limb ischemia in mice. Using bioinformatics target prediction platforms and 3'-UTR luciferase assays, we newly identified Notch1 and its Delta-like ligand 1 (Dll1) to be directly targeted by miR-24-3p. miR-24-3p was expressed in human ECs and pericytes cultured under normal conditions. Exposure to hypoxia increased miR-24-3p in ECs but not in pericytes. Transfection with a miR-24-3p precursor (pre-miR-24-3p) increased miR-24-3p expression in ECs, reducing the cell survival, proliferation, and angiogenic capacity. Opposite effects were caused by miR-24-3p inhibition. The anti-angiogenic action of miR-24-3p overexpression could be prevented by simultaneous adenovirus (Ad)-mediated delivery of constitutively active Notch intracellular domain (NICD) into cultured ECs. We next demonstrated that reduced Notch signalling contributes to the anti-angiogenic effect of miR-24-3p in vitro. In a mouse unilateral limb ischemia model, local miR-24-3p inhibition (by adenovirus-mediated miR-24-3p decoy delivery) restored endothelial Notch signalling and increased capillary density. However, the new vessels appeared disorganised and twisted, worsening post-ischemic blood perfusion recovery. To better understand the underpinning mechanisms, we widened the search for miR-24-3p target genes, identifying several contributors to vascular morphogenesis, such as several members of the Wingless (Wnt) signalling pathway, β-catenin signalling components, and VE-cadherin, which synergise to regulate angiogenesis, pericytes recruitment to neoformed capillaries, maturation, and stabilization of newly formed vessels. Among those, we next focussed on β-catenin to demonstrate that miR-24-3p inhibition reduces β-catenin expression in hypoxic ECs, which is accompanied by reduced adhesion of pericytes to ECs. In summary, miR-24-3p differentially targets several angiogenesis modulators and contributes to autonomous and non-autonomous EC crosstalk. In ischemic limbs, miR-24-3p inhibition increases the production of dysfunctional microvessels, impairing perfusion. Caution should be observed in therapeutic targeting of miR-24-3p.
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Affiliation(s)
- Micol Marchetti
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Marco Meloni
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Maryam Anwar
- National Heart and Lung Institute, Imperial College London, London SW3 6LY, UK;
| | - Ayman Al-Haj-Zen
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Graciela Sala-Newby
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Sadie Slater
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Kerrie Ford
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Andrea Caporali
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh EH164TJ, UK
| | - Costanza Emanueli
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
- National Heart and Lung Institute, Imperial College London, London SW3 6LY, UK;
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Li X, Han X, Wei P, Yang J, Sun J. Knockdown of lncRNA CCAT1 enhances sensitivity of paclitaxel in prostate cancer via regulating miR-24-3p and FSCN1. Cancer Biol Ther 2020; 21:452-462. [PMID: 32089062 PMCID: PMC7515504 DOI: 10.1080/15384047.2020.1727700] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Drug resistance limits the efficacy of chemotherapy in human cancers. Previous studies reported that long noncoding RNA colon cancer-associated transcript 1 (CCAT1) regulated progression of prostate cancer (PCa). However, the potential role of CCAT1 in the sensitivity of paclitaxel (PTX) in PCa and its mechanism remain largely unknown. The PTX-resistant PCa cells were established in PC3 and DU145 cells by increasing concentrations of PTX. The expressions of CCAT1, microRNA-24-3p (miR-24-3p) and fascin1 (FSCN1) were measured by quantitative real-time polymerase chain reaction. The viability and apoptosis were detected by 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide assay, flow cytometry and western blot, respectively. The interaction among CCAT1, miR-24-3p and FSCN1 was explored by luciferase activity, RNA immunoprecipitation, RNA pull-down and western blot, respectively. Results showed that the expressions of CCAT1 were up-regulated and miR-24-3p was down-regulated in PCa and PTX-resistant PCa cells (PC3-TXR and DU145-TXR). Knockdown of CCAT1 or overexpression of miR-24-3p inhibited survival rate, half maximal inhibitory concentration (IC50) of PTX but increased apoptosis in PC3-TXR and DU145-TXR cells after treatment of PTX. miR-24-3p was bound to CCAT1 and its abrogation reversed knockdown of CCAT1-mediated increase of PTX sensitivity in PC3-TXR and DU145-TXR cells. Moreover, FSCN1 restoration attenuated miR-24-3p-mediated inhibition of PTX resistance. Besides, FSCN1 level was enhanced in PCa and PTX-resistant PCa cells and regulated by CCAT1 and miR-24-3p. Our data suggested interference of CCAT1 contributed to PTX sensitivity in PCa by regulating miR-24-3p and FSCN1, indicating a novel avenue for treatment of PCa through regulating chemoresistance.
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Affiliation(s)
- Xiaohui Li
- Department of Urology, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, China
| | - Xingtao Han
- Department of Urology, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, China
| | - Pengtao Wei
- Department of Urology, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, China
| | - Jinhui Yang
- Department of Urology, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, China
| | - Jiantao Sun
- Department of Urology, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, China
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Huang W, Gu J, Tao T, Zhang J, Wang H, Fan Y. MiR-24-3p Inhibits the Progression of Pancreatic Ductal Adenocarcinoma Through LAMB3 Downregulation. Front Oncol 2020; 9:1499. [PMID: 32039003 PMCID: PMC6985431 DOI: 10.3389/fonc.2019.01499] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Accepted: 12/16/2019] [Indexed: 12/21/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is associated with several genetic syndromes. However, the molecular mechanism underlying PDAC progression is still unknown. In this study, we showed that Laminin Subunit Beta 3 (LAMB3) was aberrantly overexpressed in PDAC and was closely associated with the overall survival rate of patients with PDAC. Functional studies demonstrated that LAMB3 played important roles in cell proliferation, the cell cycle, and invasion capacity. Using bioinformatics analysis, we determined that miR-24-3p was an upstream miRNA of LAMB3, and further experiments verified that miR-24-3p regulated LAMB3 expression in PDAC cells. A dual-luciferase reporter system demonstrated that miR-24-3p directly targeted the LAMB3 3'UTR, and FISH assay confirmed that miR-24-3p and LAMB3 mRNA mostly resided in cytoplasm, accounting for their post-translational regulation. Rescue assay demonstrated that miR-24-3p exerted its anti-cancer role by suppressing LAMB3 expression. Finally, by using a subcutaneous xenotransplanted tumor model, we demonstrated that miR-24-3p overexpression inhibited the proliferation of PDAC by suppressing LAMB3 expression in vivo. Collectively, our results provide evidence that the miR-24-3p/LAMB3 axis plays a vital role in the progression of PDAC and indicate that the miR-24-3p/LAMB3 axis may represent a novel therapeutic target for PDAC.
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Affiliation(s)
- Wenjie Huang
- Department of First Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,Institute of Hepatopancreatobiliary Surgery, Chongqing General Hospital, University of Chinese Academy of Sciences, Chongqing, China
| | - Jianyou Gu
- Department of First Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Tian Tao
- Department of First Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Junfeng Zhang
- Institute of Hepatopancreatobiliary Surgery, Chongqing General Hospital, University of Chinese Academy of Sciences, Chongqing, China.,Institute of Hepatopancreatobiliary Surgery, Southwest Hospital, Army Medical University, Chongqing, China
| | - Huaizhi Wang
- Institute of Hepatopancreatobiliary Surgery, Chongqing General Hospital, University of Chinese Academy of Sciences, Chongqing, China
| | - Yingfang Fan
- Department of First Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
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Sastre D, Baiochi J, de Souza Lima IM, Canto de Souza F, Corveloni AC, Thomé CH, Faça VM, Schiavinato JLDS, Covas DT, Panepucci RA. Focused screening reveals functional effects of microRNAs differentially expressed in colorectal cancer. BMC Cancer 2019; 19:1239. [PMID: 31864341 PMCID: PMC6925883 DOI: 10.1186/s12885-019-6468-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 12/16/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Colorectal cancer (CRC) is still a leading cause of death worldwide. Recent studies have pointed to an important role of microRNAs in carcinogenesis. Several microRNAs are described as aberrantly expressed in CRC tissues and in the serum of patients. However, functional outcomes of microRNA aberrant expression still need to be explored at the cellular level. Here, we aimed to investigate the effects of microRNAs aberrantly expressed in CRC samples in the proliferation and cell death of a CRC cell line. METHODS We transfected 31 microRNA mimics into HCT116 cells. Total number of live propidium iodide negative (PI-) and dead (PI+) cells were measured 4 days post-transfection by using a high content screening (HCS) approach. HCS was further used to evaluate apoptosis (via Annexin V and PI staining), and to discern between intrinsic and extrinsic apoptotic pathways, by detecting cleaved Caspase 9 and 8, respectively. To reveal mRNA targets and potentially involved mechanisms, we performed microarray gene expression and functional pathway enrichment analysis. Quantitative PCR and western blot were used to validate potential mRNA targets. RESULTS Twenty microRNAs altered the proliferation of HCT116 cells in comparison to control. miR-22-3p, miR-24-3p, and miR-101-3p significantly repressed cell proliferation and induced cell death. Interestingly, all anti-proliferative microRNAs in our study had been previously described as poorly expressed in the CRC samples. Predicted miR-101-3p targets that were also downregulated by in our microarray were enriched for genes associated with Wnt and cancer pathways, including MCL-1, a member of the BCL-2 family, involved in apoptosis. Interestingly, miR-101-3p preferentially downregulated the long anti-apoptotic MCL-1 L isoform, and reduced cell survival specifically by activating the intrinsic apoptosis pathway. Moreover, miR-101-3p also downregulated IL6ST, STAT3A/B, and MYC mRNA levels, genes associated with stemness properties of CRC cells. CONCLUSIONS microRNAs upregulated in CRC tend to induce proliferation in vitro, whereas microRNAs poorly expressed in CRC halt proliferation and induce cell death. We provide novel evidence linking preferential inhibition of the anti-apoptotic MCL-1 L isoform by miR-101-3p and consequent activation of the intrinsic apoptotic pathway as potential mechanisms for its antitumoral activity, likely due to the inhibition of the IL-6/JAK/STAT signaling pathway.
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Affiliation(s)
- Danuta Sastre
- Laboratory of Human and Medical Genetics, Federal University of Pará, Rua Augusto Corrêa, 01. Guamá., Belém, Pará CEP 66075-110 Brazil
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - João Baiochi
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Ildercilio Mota de Souza Lima
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Felipe Canto de Souza
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Amanda Cristina Corveloni
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Carolina Hassib Thomé
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo (USP), Av. Bandeirantes, 3900 - Vila Monte Alegre, Ribeirão Preto, SP 14049-900 Brazil
| | - Vitor Marcel Faça
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo (USP), Av. Bandeirantes, 3900 - Vila Monte Alegre, Ribeirão Preto, SP 14049-900 Brazil
| | - Josiane Lilian dos Santos Schiavinato
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Dimas Tadeu Covas
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Rodrigo Alexandre Panepucci
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
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He L, Ping F, Fan Z, Zhang C, Deng M, Cheng B, Xia J. Salivary exosomal miR-24-3p serves as a potential detective biomarker for oral squamous cell carcinoma screening. Biomed Pharmacother 2019; 121:109553. [PMID: 31704611 DOI: 10.1016/j.biopha.2019.109553] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 10/09/2019] [Accepted: 10/09/2019] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVES miRNAs in salivary exosomes are used as novel non-invasive biomarkers for detection strategies of human disease. Here, we aimed to investigate the diagnostic potential of salivary exosomal miRNAs as biomarkers for screening oral squamous cell carcinoma (OSCC) and to explore the underlying mechanisms of OSCC pathogenesis. MATERIALS AND METHODS Differentially expressed miRNAs were obtained from salivary exosomes of four healthy controls and four OSCC patients using miRNA microarray analysis. The expression of miR-24-3p in the salivary exosomes was then verified by qRT-PCR. The diagnostic power was assessed by receiver operating characteristic (ROC) analysis. Cell proliferation was measured using CCK-8 cell viability assay and colony formation assay. The target gene of miR-24-3p was confirmed by dual luciferase reporter assay. RESULTS A total of 109 miRNAs were found to be more than 2-fold altered in the salivary of patients and healthy individuals by miRNA microarray. qRT-PCR analysis further confirmed a significant increase of miR-24-3p in the salivary exosomes from 45 preoperative OSCC patients compared to 10 normal controls. ROC analysis showed that miR-24-3p has excellent diagnostic accuracy for OSCC (area under the ROC curve [AUC] = 0.738; P = 0.02). Similarly, we found that miR-24-3p expressed a higher level in OSCC neoplastic tissues, suggesting that circulating miR-24-3p may originate from tumor cells. Furthermore, exogenous exosomal miR-24-3p increased proliferation of recipient malignant cells. Additionally, overexpression of miR-24-3p promoted the proliferation of OSCC cells and regulated the expression of cell cycle-related genes. Dual luciferase reporter assay indicated that miR-24-3p can interact with PER1 directly. CONCLUSIONS Salivary exosomal miR-24-3p is a potential novel diagnostic biomarker for OSCC, and miR-24-3p can maintain the proliferation of OSCC cells through targeting PER1.
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Affiliation(s)
- Lihong He
- Department of Oral Medicine, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, PR China
| | - Fan Ping
- Department of Oral Medicine, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, PR China
| | - Zhaona Fan
- Department of Oral Medicine, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, PR China
| | - Chi Zhang
- Department of Oral Medicine, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, PR China
| | - Miao Deng
- Department of Oral Medicine, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, PR China
| | - Bin Cheng
- Department of Oral Medicine, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, PR China.
| | - Juan Xia
- Department of Oral Medicine, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, PR China.
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Kang MJ, Park SY, Han JS. MicroRNA-24-3p regulates neuronal differentiation by controlling hippocalcin expression. Cell Mol Life Sci 2019; 76:4569-80. [PMID: 31486848 DOI: 10.1007/s00018-019-03290-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 08/12/2019] [Accepted: 08/28/2019] [Indexed: 12/13/2022]
Abstract
Hippocalcin (HPCA) is a neuron-specific calcium-binding protein predominantly expressed in the nervous system. In the present study, we demonstrate that HPCA regulates neuronal differentiation in SH-SY5Y cells. We observed that the expression level of HPCA was increased during neuronal differentiation. Depletion of HPCA inhibited both neurite outgrowth and synaptophysin (SYP) expression, whereas overexpression of HPCA enhanced neuronal differentiation. Interestingly, we also found that the expression of HPCA mRNA was modulated by miR-24-3p. Using a dual-luciferase assay, we showed that co-transfection of a plasmid containing the miR-24-3p binding site from the 3′-untranslated region (3′UTR) of the HPCA gene and an miR-24-3p mimic effectively reduced luminescence activity. This effect was abolished when miR-24-3p seed sequences in the 3′UTR of the HPCA gene were mutated. miR-24-3p expression was decreased during differentiation, suggesting that the decreased expression level of miR-24-3p might have upregulated mRNA expression of HPCA. As expected, upregulation of miR-24-3p by an miRNA mimic led to reduced HPCA expression, accompanied by diminished neuronal differentiation. In contrast, downregulation of miR-24-3p by an antisense inhibitor promoted neurite outgrowth as well as levels of SYP expression. Taken together, these results suggest that miR-24-3p is an important miRNA that regulates neuronal differentiation by controlling HPCA expression.
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Xu W, Wu Y, Hu Z, Sun L, Dou G, Zhang Z, Wang H, Guo C, Wang Y. Exosomes from Microglia Attenuate Photoreceptor Injury and Neovascularization in an Animal Model of Retinopathy of Prematurity. Mol Ther Nucleic Acids 2019; 16:778-790. [PMID: 31163320 PMCID: PMC6545376 DOI: 10.1016/j.omtn.2019.04.029] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 04/29/2019] [Accepted: 04/29/2019] [Indexed: 12/11/2022]
Abstract
The role of microglia in the pathophysiology of ischemic retinal diseases has been studied extensively. Exosomes from microglial cells exert protective effects during several nervous system diseases, but their roles in hypoxia-induced retinopathy remain unclear. In our study, exosomes derived from microglial cells were injected into the vitreous body of mice with oxygen-induced retinopathy (OIR). Results showed that exosome-treated OIR mice exhibited smaller avascular areas and fewer neovascular tufts in addition to decreased vascular endothelial growth factor (VEGF) and transforming growth factor β (TGF-β) expression. Moreover, photoreceptor apoptosis was suppressed by exosome injection. Mechanistically, exosomes from microglial cells were incorporated into photoreceptors in vitro and inhibited the inositol-requiring enzyme 1α (IRE1α)-X-box binding protein 1 (XBP1) cascade, which contributes to hypoxia-induced photoreceptor apoptosis. Furthermore, the exosomes also downregulated the mRNA and protein levels of VEGF and TGF-β in hypoxia-exposed photoreceptors. A microRNA assay showed that microRNA-24-3p (miR-24-3p) levels were extremely high in exosomes from microglial cells, suggesting that this could be the key molecule that inhibits the hypoxia-induced expression of IRE1α in photoreceptors. These findings delineate a novel exosome-mediated mechanism of microglial cell-photoreceptor crosstalk that facilitates normal angiogenesis and visual function in OIR mice; thus, our results also suggest a potential therapeutic approach for retinopathy of prematurity.
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Affiliation(s)
- Wenqin Xu
- Department of Ophthalmology, Eye Institute of China PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Ying Wu
- Department of Thyroid, Breast and Vascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Zhicha Hu
- Department of Ophthalmology, Eye Institute of China PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Lijuan Sun
- Department of Ophthalmology, Eye Institute of China PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Guorui Dou
- Department of Ophthalmology, Eye Institute of China PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Zifeng Zhang
- Department of Ophthalmology, Eye Institute of China PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Haiyang Wang
- Department of Ophthalmology, Eye Institute of China PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Changmei Guo
- Department of Ophthalmology, Eye Institute of China PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yusheng Wang
- Department of Ophthalmology, Eye Institute of China PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China.
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Han X, Li Q, Liu C, Wang C, Li Y. Overexpression miR-24-3p repressed Bim expression to confer tamoxifen resistance in breast cancer. J Cell Biochem 2019; 120:12966-12976. [PMID: 31001849 DOI: 10.1002/jcb.28568] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 12/17/2018] [Accepted: 01/02/2019] [Indexed: 12/27/2022]
Abstract
Endocrine therapy resistance represents a major challenge to the successful treatment of patients with breast cancer. The development of tamoxifen resistance commonly occurrs during the treatment of patients with breast cancer whereas its underlying mechanisms remain elusive. Here, we found that miR-24-3p regulated tamoxifen sensitivity in breast cancer cells. Forced overexpression of miR-24-3p augmented tamoxifen-induced cell viability inhibition in breast cancer cells, while knockdown of miR-24-3p partially attenuated the cytotoxicity effect of tamoxifen. Moreover, we discovered Bim as a target gene of miR-24-3p in breast cancer cells by RNA immunoprecipitation, quantitative reverse transcription polymerase chain reaction, Western blot, and dual luciferase reporter assay. In our established tamoxifen resistant MCF7 cell line (MCF7/TAM), there was a significant elevation of miR-24-3p and decrease of BIM expression compared with parental MCF7 cells. In addition, the inhibition of miR-24-3p could reverse the tamoxifen resistance of MCF7/TAM cells by the induction of cell apoptosis. Silencing of Bim expression blocked miR-24-3p inhibitor-induced elevation of tamoxifen sensitivity of MCF7/TAM cells. Using tumor tissues from patients with breast cancer, we also found that the expression of miR-24-3p was negatively correlated with Bim mRNA expression. Collectively, our study highlighted the pivotal role of miR-24-3p overexpression in mediating the development of tamoxifen resistance in breast cancer and suggested miR-24-3p might be a predictor or target for patients with breast cancer.
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Affiliation(s)
- Xu Han
- Department of Traditional Chinese medicine, the First Affiliated Hospital of China Medical University, Shenyang, China
| | - Qiaobei Li
- Department of Ultrasonic Diagnosis, the First Affiliated Hospital of China Medical University, Shenyang, China
| | - Chang Liu
- Department of Radiation Oncology, the First Affiliated Hospital of China Medical University, Shenyang, China
| | - Chunyan Wang
- Department of Ultrasonic Diagnosis, the First Affiliated Hospital of China Medical University, Shenyang, China
| | - Yinyan Li
- Department of Ultrasonic Diagnosis, the First Affiliated Hospital of China Medical University, Shenyang, China
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Qiaoqiao C, Li H, Liu X, Yan Z, Zhao M, Xu Z, Wang Z, Shi K. MiR-24-3p regulates cell proliferation and milk protein synthesis of mammary epithelial cells through menin in dairy cows. J Cell Physiol 2019; 234:1522-1533. [PMID: 30221364 PMCID: PMC6282567 DOI: 10.1002/jcp.27017] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 06/25/2018] [Indexed: 01/04/2023]
Abstract
MiR-24-3p, a broadly conserved, small, noncoding RNA, is abundantly expressed in mammary tissue. However, its regulatory role in this tissue remains poorly understood. It was predicted that miR-24-3p targets the 3' untranslated region (3'-UTR) of multiple endocrine neoplasia type 1 (MEN1), an important regulatory factor in mammary tissue. The objective of this study was to investigate the function of miR-24-3p in mammary cells. Using a luciferase assay in mammary epithelial cells (MAC-T), miR-24-3p was confirmed to target the 3'-UTR of MEN1. Furthermore, miR-24-3p negatively regulated the expression of the MEN1 gene and its encoded protein, menin. miR-24-3p enhanced proliferation of MAC-T by promoting G1/S phase progression. MiR-24-3p also regulated the expression of key factors involved in phosphatidylinositol-3-kinase/protein kinase B/mammalian target of rapamycin and Janus kinase/signal transducer and activators of transcription signaling pathways, therefore controlling milk protein synthesis in epithelial cells. Thus, miR-24-3p appears to act on MAC-T by targeting MEN1. The expression of miR-24-3p was controlled by MEN1/menin, indicating a negative feedback loop between miR-24-3p and MEN1/menin. The negatively inhibited expression pattern of miR-24-3p and MEN1 was active in mammary tissues at different lactation stages. The feedback mechanism is a new concept to further understand the lactation cycle of mammary glands and can possibly to be manipulated to improve milk yield and quality.
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Affiliation(s)
- Cao Qiaoqiao
- Shandong Key Laboratory of Animal Bioengineering and Disease Prevention, College of Animal Science and Technology, Shandong Agricultural UniversityTai’anShandongChina
| | - Honghui Li
- Shandong Key Laboratory of Animal Bioengineering and Disease Prevention, College of Animal Science and Technology, Shandong Agricultural UniversityTai’anShandongChina
| | - Xue Liu
- Shandong Key Laboratory of Animal Bioengineering and Disease Prevention, College of Animal Science and Technology, Shandong Agricultural UniversityTai’anShandongChina
| | - Zhengui Yan
- Shandong Key Laboratory of Animal Bioengineering and Disease Prevention, College of Animal Science and Technology, Shandong Agricultural UniversityTai’anShandongChina
| | - Meng Zhao
- Shandong Key Laboratory of Animal Bioengineering and Disease Prevention, College of Animal Science and Technology, Shandong Agricultural UniversityTai’anShandongChina
| | - Zhongjin Xu
- Shandong Key Laboratory of Animal Bioengineering and Disease Prevention, College of Animal Science and Technology, Shandong Agricultural UniversityTai’anShandongChina
| | - Zhonghua Wang
- Shandong Key Laboratory of Animal Bioengineering and Disease Prevention, College of Animal Science and Technology, Shandong Agricultural UniversityTai’anShandongChina
| | - Kerong Shi
- Shandong Key Laboratory of Animal Bioengineering and Disease Prevention, College of Animal Science and Technology, Shandong Agricultural UniversityTai’anShandongChina
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Zhu D, Zhang X, Lin Y, Liang S, Song Z, Dong C. MT1JP inhibits tumorigenesis and enhances cisplatin sensitivity of breast cancer cells through competitively binding to miR-24-3p. Am J Transl Res 2019; 11:245-256. [PMID: 30787983 PMCID: PMC6357327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Accepted: 12/18/2018] [Indexed: 06/09/2023]
Abstract
Accumulating evidence indicates that long non-coding RNAs (lncRNAs) play a key role in the development of many human cancers. MT1JP is a lncRNA that is reportedly involved in gastric cancer development, but a biological role and mechanism for MT1JP in breast cancer is unknown. Here, we found that MT1JP expression was significantly down-regulated in breast cancer tissues and cell lines, and that decreased MT1JP expression was associated with breast cancer progression and poor survival of breast cancer patients. Additionally, we found that overexpression of MT1JP in breast cancer cells significantly inhibited cell proliferation and invasion, and also enhanced the cisplatin sensitivity of breast cancer cells. We then investigated a possible mechanism for these results, finding that MT1JP binds to and negatively regulates miR-24-3p, which is known to be an oncogene in some human cancers. Our rescue experiments showed that the tumor suppressive and cisplatin-sensitizing functions of MT1JP were mediated by negative regulation of miR-24-3p. Finally, western blot results showed that MT1JP inhibited the Wnt/β-catenin signaling pathway. Collectively, our data indicate that MT1JP functions as an anti-tumor lncRNA, enhances cisplatin sensitivity in breast cancer, and may serve as a novel diagnostic and therapeutic marker of breast cancer.
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Affiliation(s)
- Donglei Zhu
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine Shanghai, People's Republic of China
| | - Xia Zhang
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine Shanghai, People's Republic of China
| | - Yun Lin
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine Shanghai, People's Republic of China
| | - Shujing Liang
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine Shanghai, People's Republic of China
| | - Zhiwang Song
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine Shanghai, People's Republic of China
| | - Chunyan Dong
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine Shanghai, People's Republic of China
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Tan H, Qi J, Fan BY, Zhang J, Su FF, Wang HT. MicroRNA-24-3p Attenuates Myocardial Ischemia/Reperfusion Injury by Suppressing RIPK1 Expression in Mice. Cell Physiol Biochem 2018; 51:46-62. [PMID: 30439713 DOI: 10.1159/000495161] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 11/07/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS This study was developed to investigate a potential therapeutic method for myocardial ischemia/reperfusion injury involving the promotion of miR-24-3p expression. METHODS Microarray analysis was used to screen differentially expressed genes in a myocardial ischemia/reperfusion (I/R) injury mouse model. Gene set enrichment analysis was utilized to determine vital signaling pathways. Targeting verification was conducted with a luciferase reporter assay. Myocardial I/R injury was developed in mice, and the expression levels of RIPK1 and miR-24-3p were investigated by qRT-PCR and Western blot. Hemodynamic parameters and the activity of serum myocardial enzymes were measured to evaluate cardiac function. Infarct area was observed through HE and TTC staining. Myocardial cell apoptosis was examined by TUNEL staining and caspase-3 activity analysis. RESULTS RIPK1 was an upregulated mRNA found by microarray analysis and a verified target of the downregulated miRNA miR-24-3p. The upregulation of RIPK1 (1.8-fold) and the downregulation of miR-24-3p (0.3-fold) were confirmed in I/R mice. RIPK1 led to impaired cardiac function indexes, increased infarct area and cell apoptosis, while miR-24-3p could reverse the injury by regulating RIPK1. The TNF signaling pathway was proven to be involved in myocardial I/R injury through the detection of the dysregulation of related proteins. CONCLUSION In conclusion, RIPK1 was upregulated and miR-24-3p was downregulated in a myocardial I/R injury mouse model. RIPK1 could aggravate myocardial I/R injury via the TNF signaling pathway, while miR-24-3p could suppress RIPK1 and therefore exert cardioprotective effects in myocardial I/R injury.
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Li Z, Sun Y, Cao S, Zhang J, Wei J. Downregulation of miR-24-3p promotes osteogenic differentiation of human periodontal ligament stem cells by targeting SMAD family member 5. J Cell Physiol 2018; 234:7411-7419. [PMID: 30378100 DOI: 10.1002/jcp.27499] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 09/07/2018] [Indexed: 12/22/2022]
Abstract
Osteogenic differentiation is a complicated process that depends on various regulatory factors and signal pathways. In our research, the osteogenic differentiation capacity was analyzed by alizarin red staining, alkaline phosphatase activity, and protein levels of osteogenic differentiation markers including runt-related transcription factor 2, bone morphogenetic protein 2, and osteocalcin (OCN). We observed a notable decrease of miR-24-3p level in osteogenic-differentiated human periodontal ligament stem cells (hPDLSCs) by microarray analysis. In our gain- and loss-of-function experiments, we discovered that miR-24-3p has a suppression effect on hPDLSCs osteogenic differentiation. Moreover, SMAD family member 5 (Smad5), the critical osteogenic differentiation transcription factors, was predicted to be targets of miR-24-3p. In addition, luciferase reporter assay further proved that miR-24-3p directly targeted the 3'-untranslated region of Smad5. Similarly, we found that the overexpression of miR-24-3p significantly decreased the Smad5 messenger RNA level in hPDLSCs, which was detected by real-time quantitative polymerase chain reaction. Then hPDLSCs were transfected with miR-24-3p mimics to inhibit Smad5 expression; meanwhile, Smad5 RNA interference could significantly reverse the osteogenic differentiation inhibition effect of miR-24-3p. In brief, a series of data showed that miR-24-3p is a regulator of Smad5, playing an important role in osteogenic differentiation.
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Affiliation(s)
- Zhaobao Li
- Department of Stomatology Clinic, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Yaru Sun
- Department of Stomatology Clinic, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Sumin Cao
- Department of Stomatology Clinic, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Jing Zhang
- Department of Stomatology Clinic, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Jianming Wei
- Department of Stomatology Clinic, Cangzhou Central Hospital, Cangzhou, Hebei, China
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Su C, Shi K, Cheng X, Han Y, Li Y, Yu D, Liu Z. Long Noncoding RNA LINC00472 Inhibits Proliferation and Promotes Apoptosis of Lung Adenocarcinoma Cells via Regulating miR-24-3p/ DEDD. Technol Cancer Res Treat 2018; 17:1533033818790490. [PMID: 30175664 PMCID: PMC6120177 DOI: 10.1177/1533033818790490] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
OBJECTIVE We aimed to detect the role of LINC00472 via regulating miR-24-3p and death effector domain-containing DNA-binding protein in lung adenocarcinoma. METHODS Long noncoding RNA, microRNA, and messenger RNA levels were determined using reverse transcription quantitative polymerase chain reaction. The expression of death effector domain-containing DNA-binding protein was determined using Western blot assay. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and colony formation assay were conducted to explore the proliferation of cells. The cell apoptosis was tested by flow cytometry assay. Target relationships between miR-24-3p, death effector domain-containing DNA-binding protein, and LINC00472 were validated by dual-luciferase reporter gene assay. RESULTS LINC00472 and death effector domain-containing DNA-binding protein were found to be underexpressed, whereas miR-24-3p was found overexpressed in lung adenocarcinoma cell lines and tissues. Both LINC00472 and death effector domain-containing DNA-binding protein can bind to miR-24-3p. Overexpression of LINC00472 led to higher death effector domain-containing DNA-binding protein level, demoting cell proliferation while promoting apoptosis. Overexpression of miR-24-3p reduced death effector domain-containing DNA-binding protein level, which facilitated cell proliferation and inhibited cell apoptosis, as well as to some extent restrained the effects of LINC00472. The high expression of miR-24-3p in tumor cells was negatively related to LINC00472 and death effector domain-containing DNA-binding protein, whereas the expression of LINC00472 and that of death effector domain-containing DNA-binding protein were positively correlated. CONCLUSION Our findings suggested that LINC00472 contributed to the increase in lung adenocarcinoma cell apoptosis and the inhibition of proliferation via regulating miR-24-3p/ DEDD, which might provide a novel insight into potential therapeutic approach for lung adenocarcinoma.
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Affiliation(s)
- Chongyu Su
- Department of Thoracic Surgery, Beijing Chest Hospital, Beijing Tuberculosis and Thoracic Tumor Research Institute, Capital Medical University, Beijing, China
| | - Kang Shi
- Department of Thoracic Surgery, Beijing Chest Hospital, Beijing Tuberculosis and Thoracic Tumor Research Institute, Capital Medical University, Beijing, China
| | - Xu Cheng
- Department of Thoracic Surgery, Beijing Chest Hospital, Beijing Tuberculosis and Thoracic Tumor Research Institute, Capital Medical University, Beijing, China
| | - Yi Han
- Department of Thoracic Surgery, Beijing Chest Hospital, Beijing Tuberculosis and Thoracic Tumor Research Institute, Capital Medical University, Beijing, China
| | - Yunsong Li
- Department of Thoracic Surgery, Beijing Chest Hospital, Beijing Tuberculosis and Thoracic Tumor Research Institute, Capital Medical University, Beijing, China
| | - Daping Yu
- Department of Thoracic Surgery, Beijing Chest Hospital, Beijing Tuberculosis and Thoracic Tumor Research Institute, Capital Medical University, Beijing, China
| | - Zhidong Liu
- Department of Thoracic Surgery, Beijing Chest Hospital, Beijing Tuberculosis and Thoracic Tumor Research Institute, Capital Medical University, Beijing, China,Zhidong Liu, PhD, Department of Thoracic Surgery, Beijing Chest Hospital, Beijing Tuberculosis and Thoracic Tumor Research Institute, Capital Medical University, No. 9 Yard, Beiguan Avenue, Tongzhou District, Beijing 101149, China.
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Vistbakka J, Sumelahti ML, Lehtimäki T, Elovaara I, Hagman S. Evaluation of serum miR-191-5p, miR-24-3p, miR-128-3p, and miR-376c-3 in multiple sclerosis patients. Acta Neurol Scand 2018. [PMID: 29527713 DOI: 10.1111/ane.12921] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Biomarkers that could be used in early diagnosis of multiple sclerosis (MS), segregation of disease subtypes, and discrimination of the aggressive disease course from the benign one are urgently needed. OBJECTIVE The aim of this study was to investigate the specificity of circulating microRNAs: miR-191-5p, miR-128-3p, miR-24-3p, and miR-376c-3p in MS and evaluate their association with disease activity and disability progression. METHODS The expressions of circulating miRNAs were studied in serum of 100 subjects (53 relapsing-remitting (RRMS), 20 primary progressive (PPMS), and 27 controls), using miScript serum miRNA RT-PCR assay techniques. RESULTS In comparison with controls, miR-191-5p and miR-24-3p were overexpressed in RRMS and PPMS, with no differences between the subtypes. miR-24-3p correlated positively with the disability progression index in the combined group of all patients with MS. miR-128-3p showed tendency toward the predominant expression in PPMS and correlated positively with the annual relapse rate in RRMS. miR-376c-3p expression levels did not differ between the groups, and no associations were found to clinical parameters. CONCLUSION This study highlighted the connection of circulating miRNAs to MS. miR-24-3p and miR-128-3p showed a tendency of association with disability accumulation and disease activity, respectively. Further studies should evaluate their suitability for clinical use.
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Affiliation(s)
- J. Vistbakka
- Neuroimmunology Unit; Faculty of Medicine and Life Science; University of Tampere; Tampere Finland
| | - M.-L. Sumelahti
- Neuroimmunology Unit; Faculty of Medicine and Life Science; University of Tampere; Tampere Finland
- Department of Neurology; Tampere University Hospital; Tampere Finland
| | - T. Lehtimäki
- Department of Clinical Chemistry; Fimlab Laboratories and Finnish Cardiovascular Research Center-Tampere; Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
| | - I. Elovaara
- Neuroimmunology Unit; Faculty of Medicine and Life Science; University of Tampere; Tampere Finland
| | - S. Hagman
- Neuroimmunology Unit; Faculty of Medicine and Life Science; University of Tampere; Tampere Finland
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