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Helmy Mohamed A, Noureldin Hassan A, Hussein Abdel Hay N, Fouad Ahmed M, El Sawy MM, Sonbol MM, Hussein Mohamed R. The potential role of SNHG16/ miRNA-146a/ TRAF6 signaling pathway in the protective effect of zoledronate against colorectal cancer and associated osteoporosis in mouse model. Int Immunopharmacol 2024; 133:112125. [PMID: 38657499 DOI: 10.1016/j.intimp.2024.112125] [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: 01/07/2024] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 04/26/2024]
Abstract
Bone fracture as a consequence of colorectal cancer (CRC) and associated osteoporosis (OP) is considered a risk factor for increasing the mortality rate among CRC patients. SNHG16/ miRNA-146a/ TRAF6 signaling pathway is a substantial contributor to neoplastic evolution, progression, and metastasis. Here, we investigated the effect of zoledronate (ZOL) on the growth of CRC and associated OP in a mouse model. Thirty Balb/c mice were divided into Naïve, azoxymethane (AOM)/dextran sodium sulfate (DSS), and ZOL groups. Body weight and small nucleolar RNA host gene 16 (SNHG16) expression, microRNA-146a, and TRAF6 in bone, colon, and stool were investigated. Samples of colon and bone were collected and processed for light microscopic, immunohistochemical staining for cytokeratin 20 (CK20), nuclear protein Ki67 (pKi-67), and caudal type homeobox transcription factor 2 (CDx2) in colon and receptor activator of nuclear factor kB (RANK) and osteoprotegerin (OPG) in bone. A computerized tomography (CT) scan of the femur and tibia was studied. ZOL produced a significant decrease in the expression of SNHG16 and TRAF6 and an increase in miRNA-146a in the colon and bone. ZOL administration improved the histopathological changes in the colon, produced a significant decrease in CK20 and Ki-67, and increased CDx2 expressions. In bone, ZOL prevented osteoporotic changes and tumour cell invasion produced a significant decrease in RANK and an increase in OPG expressions, alongside improved bone mineral density in CT scans. ZOL could be a promising preventive therapy against colitis-induced cancer and associated OP via modulation expression of SNHG16, miRNA-146a, and TRAF6.
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Affiliation(s)
- Amany Helmy Mohamed
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Ahmed Noureldin Hassan
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt; Department of Pharmacology, Faculty of Medicine, Galala University, Al Galala, Egypt
| | - Nesma Hussein Abdel Hay
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Manar Fouad Ahmed
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Marwa M El Sawy
- Department of Anatomy and Embryology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mohamed M Sonbol
- Department of Anatomy and Embryology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Reham Hussein Mohamed
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
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Zhao Y, Wang H, Tang Y, Wang J, Wu X, He Z, He Y, Tang Z. SNHG16/miR-205/HDAC5 is involved in the progression of renal fibrosis. J Biochem Mol Toxicol 2024; 38:e23617. [PMID: 38079211 DOI: 10.1002/jbt.23617] [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: 10/18/2022] [Revised: 10/31/2023] [Accepted: 11/28/2023] [Indexed: 01/18/2024]
Abstract
Renal interstitial fibrosis (RIF) represents an irreversible and progressive pathological manifestation of chronic renal disease, which ultimately leads to end-stage renal disease. Long noncoding RNAs (lncRNAs) have been suggested to be involved in the progression of RIF. Small nucleolar RNA host gene 16 (SNHG16), a member of lncRNAs, has been found to be involved in the progression of pulmonary fibrosis. This paper first researched the effect of SNHG16 on renal fibrosis. We established a unilateral ureteral obstruction (UUO)-induced mouse RIF model by ligation of the left ureter to evaluate the biological function of SNHG16 in RIF. As a result, SNHG16 was upregulated in UUO-induced renal fibrotic tissues. Knockdown of SNHG16 inhibited RIF and reduced alpha-smooth muscle actin (α-SMA), fibronectin, and college IV expression. miR-205 was a target of SNHG16, and downregulated in UUO-induced renal fibrotic tissues. Inhibition of miR-205 promoted RIF and increased the expression of α-SMA, college IV, and fibronectin. Overexpression of SNHG16 promoted the UUO-induced RIF, but miR-205 abrogated this effect of SNHG16. Histone deacetylase 5 (HDAC5) showed high expression in UUO-induced renal fibrotic tissues. Knockdown of HDAC5 significantly reduced α-SMA, fibronectin, and college IV expression in renal tissues of UUO-induced mice. Inhibition of miR-205 promoted HDAC5 expression, but knockdown of SNHG16 inhibited HDAC5 expression in renal tissues of UUO-induced mice. In conclusion, SHNG16 is highly expressed in renal fibrotic tissues of UUO-induced mice. Knockdown of SHNG16 may prevent UUO-induced RIF by indirectly upregulating HDAC5 via targeting miR-205. SHNG16 may be novel target for treating renal fibrosis.
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Affiliation(s)
- Yingdan Zhao
- Department of Nephrology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai City, China
| | - Hanqing Wang
- Department of Nephrology, Jing'an District Center Hospital of Shanghai, Fudan University, Shanghai City, China
| | - Yunhai Tang
- Department of Nephrology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai City, China
| | - Juan Wang
- Department of Nephrology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai City, China
| | - Xia Wu
- Department of Nephrology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai City, China
| | - Zifan He
- Department of Nephrology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai City, China
| | - Yayun He
- Department of Nephrology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai City, China
| | - Zhihuan Tang
- Department of Nephrology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai City, China
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De Felice B, Coppola C, Bonavita S, Signoriello E, Montanino C, Farinella F. Exploring Circulating Long Non-Coding RNAs in Mild Cognitive Impairment Patients' Blood. Biomedicines 2023; 11:2963. [PMID: 38001964 PMCID: PMC10669861 DOI: 10.3390/biomedicines11112963] [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: 10/03/2023] [Revised: 10/27/2023] [Accepted: 10/30/2023] [Indexed: 11/26/2023] Open
Abstract
Mild cognitive impairment (MCI) is a transitional clinical stage prior to dementia. Patients with amnestic MCI have a high risk of progression toward Alzheimer's disease. Both amnestic mild cognitive impairment and sporadic Alzheimer's disease are multifactorial disorders consequential from a multifaceted cross-talk among molecular and biological processes. Non-coding RNAs play an important role in the regulation of gene expression, mainly long non-coding RNAs (lncRNAs), that regulate other RNA transcripts through binding microRNAs. Cross-talk between RNAs, including coding RNAs and non-coding RNAs, produces a significant regulatory network all through the transcriptome. The relationship of genes and non-coding RNAs could improve the knowledge of the genetic factors contributing to the predisposition and pathophysiology of MCI. The objective of this study was to identify the expression patterns and relevant lncRNA-associated miRNA regulatory axes in the blood of MCI patients, which includes lncRNA-SNHG16, lncRNA-H19, and lncRNA-NEAT1. Microarray investigations have demonstrated modifications in the expression of long non-coding RNAs (lncRNA) in the blood of patients with MCI compared with control samples. This is the first study to explore lncRNA profiles in mild cognitive impairment blood. Our study proposes RNAs targets involved in molecular pathways connected to the pathogenesis of MCI.
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Affiliation(s)
- Bruna De Felice
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Università degli Studi della Campania “Luigi Vanvitelli”, Via G. Vivaldi 42, 81100 Caserta, Italy;
| | - Cinzia Coppola
- Department of Advanced Medical and Surgical Sciences, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.C.); (S.B.); (E.S.)
| | - Simona Bonavita
- Department of Advanced Medical and Surgical Sciences, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.C.); (S.B.); (E.S.)
| | - Elisabetta Signoriello
- Department of Advanced Medical and Surgical Sciences, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.C.); (S.B.); (E.S.)
| | - Concetta Montanino
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Università degli Studi della Campania “Luigi Vanvitelli”, Via G. Vivaldi 42, 81100 Caserta, Italy;
| | - Federica Farinella
- Division of Clinical Pathology, Laboratori Vita S.r.l., Via Sabaudia 19, 04100 Latina, Italy;
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Han B, Li S, Huang S, Huang J, Wu T, Chen X. Cuproptosis-related lncRNA SNHG16 as a biomarker for the diagnosis and prognosis of head and neck squamous cell carcinoma. PeerJ 2023; 11:e16197. [PMID: 37846311 PMCID: PMC10576967 DOI: 10.7717/peerj.16197] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 09/06/2023] [Indexed: 10/18/2023] Open
Abstract
Background We aim to investigate the potential value of cuproptosis-related lncRNA signaling in predicting clinical prognosis and immunotherapy and its relationship with drug sensitivity in head and neck squamous cell carcinoma (HNSCC). Methods We first identified the lncRNAs associated with cuproptosis genes in HNSCC and then conducted a series of analytical studies to investigate the expression and prognostic significance of these lncRNAs. Finally, we used RT-qPCR to validate our findings in a laryngeal squamous cell carcinoma cell line and 12 pairs of laryngeal squamous cell carcinoma and adjacent normal tissues. Results We identified 11 differentially expressed lncRNAs that were associated with cuproptosis genes in HNSCC and also served as prognostic markers for this cancer. Enrichment analysis revealed that these lncRNAs were related to immune-related functions that were suppressed in patients with oncogene mutations in the high-risk group. The patients with a high tumor mutation burden exhibited poor overall survival (OS). We used the tumor immune dysfunction and exclusion model to show that the patients in the high-risk group had great potential for immune evasion and less effective immunotherapy. We also identified several drugs that could be effective in treating HNSCC. Experimental validation showed that AC090587.1 and AC012184.3 exhibited differential expression between the TU686 and HBE cell lines, and SNHG16 showed differential expression among the TU686, TU212, and control HBE cells. Among the 12 pairs of cancer and adjacent tissues collected in the clinic, only SNHG16 showed differential expression. Targeted therapy against SNHG16 holds promise as a prospective novel strategy for the clinical management of HNSCC.
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Affiliation(s)
- Baoai Han
- Department of Otorhinolaryngology, Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Shuang Li
- Department of Otorhinolaryngology, Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Shuo Huang
- Department of Otorhinolaryngology, Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jing Huang
- Department of Otorhinolaryngology, Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Tingting Wu
- Department of Otorhinolaryngology, Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xiong Chen
- Department of Otorhinolaryngology, Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
- Sleep Medicine Centre, Zhongnan Hospital of Wuhan University, Wuhan, China
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Hsieh YT, Chen YC, Chou YC, Kuo PY, Yen YT, Tsai HW, Wang CR. Long noncoding RNA SNHG16 regulates TLR4-mediated autophagy and NETosis formation in alveolar hemorrhage associated with systemic lupus erythematosus. J Biomed Sci 2023; 30:78. [PMID: 37700342 PMCID: PMC10496234 DOI: 10.1186/s12929-023-00969-5] [Citation(s) in RCA: 1] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 08/21/2023] [Indexed: 09/14/2023] Open
Abstract
BACKGROUND Dysregulated long noncoding RNA (lncRNA) expression with increased apoptosis has been demonstrated in systemic lupus erythematosus (SLE) patients with alveolar hemorrhage (AH). SNHG16, a lncRNA, can enhance pulmonary inflammation by sponging microRNAs, and upregulate toll-like receptor 4 (TLR4) expression via stabilizing its mRNAs. TRAF6, a TLR4 downstream signal transducer, can induce autophagy and NETosis formation. In this study, we investigated whether SNHG16 could regulate TLR4-mediated autophagy and NETosis formation in SLE-associated AH. METHODS Expression of SNHG16, TLR4 and TRAF6 and cell death processes were examined in lung tissues and peripheral blood (PB) leukocytes from AH patients associated with SLE and other autoimmune diseases, and in the lungs and spleen from a pristane-induced C57BL/6 mouse AH model. SNHG16-overexpressed or -silenced alveolar and myelocytic cells were stimulated with lipopolysaccharide (LPS), a TLR4 agonist, for analyzing autophagy and NETosis, respectively. Pristane-injected mice received the intra-pulmonary delivery of lentivirus (LV)-SNHG16 for overexpression and prophylactic/therapeutic infusion of short hairpin RNA (shRNA) targeting SNHG16 to evaluate the effects on AH. Renal SNHG16 expression was also examined in lupus nephritis (LN) patients and a pristane-induced BALB/c mouse LN model. RESULTS Up-regulated SNHG16, TLR4 and TRAF6 expression with increased autophagy and NETosis was demonstrated in the SLE-AH lungs. In such patients, up-regulated SNHG16, TLR4 and TRAF6 expression was found in PB mononuclear cells with increased autophagy and in PB neutrophils with increased NETosis. There were up-regulated TLR4 expression and increased LPS-induced autophagy and NETosis in SNHG16-overexpressed cells, while down-regulated TLR4 expression and decreased LPS-induced autophagy and NETosis in SNHG16-silenced cells. Pristane-injected lung tissues had up-regulated SNHG16, TLR4/TRAF6 levels and increased in situ autophagy and NETosis formation. Intra-pulmonary LV-SNHG16 delivery enhanced AH through up-regulating TLR4/TRAF6 expression with increased cell death processes, while intra-pulmonary prophylactic and early therapeutic sh-SNHG16 delivery suppressed AH by down-regulating TLR4/TRAF6 expression with reduced such processes. In addition, there was decreased renal SNHG16 expression in LN patients and mice. CONCLUSIONS Our results demonstrate that lncRNA SNHG16 regulates TLR4-mediated autophagy and NETosis formation in the human and mouse AH lungs, and provide a therapeutic potential of intra-pulmonary delivery of shRNA targeting SNHG16 in this SLE-related lethal manifestation.
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Affiliation(s)
- Yu-Tung Hsieh
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Cheng Chen
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Chi Chou
- Biomedical Translation Research Center, Academia Sinica, Taipei, Taiwan
| | - Pin-Yu Kuo
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Ting Yen
- Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hung-Wen Tsai
- Department of Pathology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chrong-Reen Wang
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
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Liu Y, Zhao Y, Feng P, Jiang H. PCSK9 inhibitor attenuates atherosclerosis by regulating SNHG16/EZH2/TRAF5-mediated VSMC proliferation, migration, and foam cell formation. Cell Biol Int 2023; 47:1267-1280. [PMID: 37017413 DOI: 10.1002/cbin.12018] [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: 09/04/2022] [Revised: 02/21/2023] [Accepted: 03/11/2023] [Indexed: 04/06/2023]
Abstract
Proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor has been demonstrated to exert a great cardioprotection in cardiometabolic impairments, including atherosclerosis. However, its underlying mechanism remains not fully understood. This study focuses on uncovering the actions of PCSK9 inhibitor on the connection between atherosclerosis and vascular smooth muscle cell (VSMC) behaviors. qRT-PCR was utilized to detect the expression of SNHG16. Proliferation and migration of VSMC were characterized by Cell Counting Kit-8 and wound healing assays. The intracellular lipids and foam cell formation were assessed by Oil Red O staining, fluorescence image, and cholesterol quantification kit. Atherosclerosis in vivo was evaluated by imaging the atherosclerotic lesions, hematoxylin-eosin staining, Oil Red O staining and Masson staining. The interaction between SNHG16 with EZH2 and histone H3 lysine 27 trimethylation (H3K27me3) were investigated by fluorescence in situ hybridization, RNA immunoprecipitation, and chromatin immunoprecipitation assays. A ApoE-/- mice model was used to validate the role of PCSK9 inhibitor and SNHG16 for atherosclerosis. The protective regulation of PCSK9 inhibitor was observed both in high-fat diet (HFD)-fed mice and oxidized low-density lipoprotein (ox-LDL)-treated VSMC, as manifested in the decreased the atherosclerotic lesions in vivo, as well as the weakened cell proliferation, migration, and formation of foam cells in vitro. SNHG16 was identified to be a downstream effector of PCSK9 inhibitor-mediated biological functions, of which knockdown also significantly ox-LDL-treated VSMC proliferation, migration, and foam cell formation abilities. SNHG16 epigenetically suppressed TRAF5 via recruiting EZH2. Silencing of TRAF5 abolished the protective effects of SNHG16 knockdown on the pathogenesis of atherosclerosis. Collectively, PCSK9 inhibitor attenuated atherosclerosis by regulating SNHG16/EZH2/TRAF5 axis to impair the proliferation, migration, and foam cell formation of VSMC.
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Affiliation(s)
- Yan Liu
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Yueyan Zhao
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Panyang Feng
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Haijie Jiang
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
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Huang L, Xiong S, Liu H, Zhang R, Wu Y, Hu X. Silencing LncRNA SNHG16 suppresses the diabetic inflammatory response by targeting the miR-212-3p/NF-κB signaling pathway. Diabetol Metab Syndr 2023; 15:119. [PMID: 37280692 DOI: 10.1186/s13098-023-01070-5] [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] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 04/24/2023] [Indexed: 06/08/2023] Open
Abstract
BACKGROUND Long noncoding RNAs (LncRNAs) have been identified to play an important role in diabetes. The aim of the present study was to determine the expression and function of small nucleolar RNA host gene 16 (SNHG16) in diabetic inflammation. METHODS For the in vitro experiments, quantitative real-time PCR (qRT-PCR), Western blotting and immunofluorescence were used to detect LncRNA SNHG16 expression in the high-glucose state. The potential microRNA sponge target of LncRNA SNHG16, miR-212-3p, was detected by dual-luciferase reporter analysis and qRT-PCR. For the in vivo experiments, glucose changes in mice were detected after si-SNHG16 treatment, and SNHG16 and inflammatory factor expression in kidney tissues were detected by qRT-PCR and immunohistochemistry. RESULTS LncRNA SNHG16 was upregulated in diabetic patients, HG-induced THP-1 cells, and diabetic mice. Silencing SNHG16 inhibited the diabetic inflammatory response and the development of diabetic nephropathy. miR-212-3p was found to be directly dependent on LncRNA SNHG16. miR-212-3p could inhibitor P65 phosphorylation in THP-1 cells. The miR-212-3p inhibitor reversed the action of si-SNHG16 in THP-1 cells and induced an inflammatory response in THP-1 cells. LncRNA SNHG16 was also found to be higher in the peripheral blood of diabetic patients than in the normal person. The area under the ROC curve is 0.813. CONCLUSION These data suggested that silencing LncRNA SNHG16 suppresses diabetic inflammatory responses by competitively binding miR-212-3p to regulate NF-κB. LncRNA SNHG16 can be used as a novel biomarker for patients with type 2 diabetes.
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Affiliation(s)
- Linjuan Huang
- The Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000, China
| | - Shengxi Xiong
- The Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000, China
| | - Hanshuang Liu
- The Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000, China
| | - Ranran Zhang
- The Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000, China
| | - Ying Wu
- The Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000, China
| | - Xiaolei Hu
- The Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000, China.
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Gao P, Wang J, Jiang M, Li Z, Xu D, Jing J, Yihepaer, Hu T. LncRNA SNHG16 is Downregulated in Pneumonia and Downregulates miR-210 to Promote LPS-Induced Lung Cell Apoptosis. Mol Biotechnol 2023; 65:446-452. [PMID: 35994228 DOI: 10.1007/s12033-022-00545-6] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 07/05/2022] [Indexed: 11/29/2022]
Abstract
Long non-coding RNA Small Nucleolar RNA Host Gene 16 (SNHG16) has been reported to participate in Lipopolysaccharide (LPS)-induced inflammatory pathway, which contributes to pneumonia. This study was therefore conducted to explore the role of SNHG16 in pneumonia. In this study, expression of SNHG16 and microRNA (miR)-210 in pneumonia plasma samples (n = 56) and control samples (n = 60) was detected by RT-qPCR. The potential crosstalk between SNHG16 and miR-210 was analyzed by performing overexpression experiments. MSP was performed to study the role of SNHG16 in methylation of miR-210 gene. Cell apoptosis was analyzed by cell apoptosis assay. Decreased expression levels of SNHG16 and increased expression levels of miR-210 were observed in pneumonia. SNHG16 showed an inverse correlation to miR-210. LPS treatment led to downregulated SNHG16 and upregulated miR-210 in Human Bronchial Epithelial Cells (HBEpCs). In HBEpCs, SNHG16 downregulated miR-210 and increased miR-210 DNA gene methylation. Moreover, SNHG16 suppressed the role of miR-210 in cell apoptosis under LPS treatment. In conclusion, SNHG16 is downregulated in pneumonia, and it downregulates miR-210 possibly through methylation to promote lung cell apoptosis induced by LPS.
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Affiliation(s)
- Panjun Gao
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, No. 116 Huanghe Road, Urumqi, 830011, Xinjiang, People's Republic of China
| | - Jing Wang
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, No. 116 Huanghe Road, Urumqi, 830011, Xinjiang, People's Republic of China.
| | - Ming Jiang
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, No. 116 Huanghe Road, Urumqi, 830011, Xinjiang, People's Republic of China
| | - Zheng Li
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, No. 116 Huanghe Road, Urumqi, 830011, Xinjiang, People's Republic of China
| | - Dan Xu
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, No. 116 Huanghe Road, Urumqi, 830011, Xinjiang, People's Republic of China
| | - Jing Jing
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, No. 116 Huanghe Road, Urumqi, 830011, Xinjiang, People's Republic of China
| | - Yihepaer
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, No. 116 Huanghe Road, Urumqi, 830011, Xinjiang, People's Republic of China
| | - Tingting Hu
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, No. 116 Huanghe Road, Urumqi, 830011, Xinjiang, People's Republic of China
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Ren L, Fang X, Shrestha SM, Ji Q, Ye H, Liang Y, Liu Y, Feng Y, Dong J, Shi R. LncRNA SNHG16 promotes development of oesophageal squamous cell carcinoma by interacting with EIF4A3 and modulating RhoU mRNA stability. Cell Mol Biol Lett 2022; 27:89. [PMID: 36221055 PMCID: PMC9552503 DOI: 10.1186/s11658-022-00386-w] [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: 03/30/2022] [Accepted: 09/09/2022] [Indexed: 01/27/2023] Open
Abstract
Background Numerous studies have revealed that long noncoding RNAs (lncRNAs) are closely related to the development of many diseases and carcinogenesis. However, their specific biological function and molecular mechanism in oesophageal squamous cell carcinoma (ESCC) remains unclear.
Methods RNA-Seq was performed to determine the differential expressions of lncRNAs in ESCC, and the level of SNHG16 expression was detected in ESCC and intraepithelial neoplasia (IEN) samples. In vitro and in vivo experiments were performed to explore the role of SNHG16 and the interaction of EIF4A3 and Ras homologue family member U (RhoU) signalling. Results One hundred and seventy-five upregulated and 134 downregulated lncRNAs were identified by RNA-Seq. SNHG16 was highly expressed in ESCC and intraepithelial neoplasia (IEN) samples, and its expression level was correlated with tumour differentiation and T stage. Overexpression of SNHG16 can facilitate ESCC cell proliferation and metastasis. Mechanistically, we noticed that SNHG16 could bind RNA binding protein (RBP)-eukaryotic translation initiation factor (EIF4A3) and interact with it to form a complex. Importantly, the coalition of SNHG16 and EIF4A3 ultimately regulated Ras homologue family member U (RhoU). SNHG16 modulated RhoU expression by recruiting EIF4A3 to regulate the stability of RhoU mRNA. Knockdown of RhoU further alleviated the effect of the SNHG16 oncogene in ESCC cells. Conclusions The newly identified SNHG16–EIF4A3–RhoU signalling pathway directly coordinates the response in ESCC pathogenesis and suggests that SNHG16 is a promising target for potential ESCC treatment. Supplementary Information The online version contains supplementary material available at 10.1186/s11658-022-00386-w.
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Affiliation(s)
- Lihua Ren
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Road, Nanjing, 210009, Jiangsu Province, People's Republic of China
| | - Xin Fang
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Road, Nanjing, 210009, Jiangsu Province, People's Republic of China
| | - Sachin Mulmi Shrestha
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Road, Nanjing, 210009, Jiangsu Province, People's Republic of China
| | - Qinghua Ji
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Road, Nanjing, 210009, Jiangsu Province, People's Republic of China
| | - Hui Ye
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Road, Nanjing, 210009, Jiangsu Province, People's Republic of China
| | - Yan Liang
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Road, Nanjing, 210009, Jiangsu Province, People's Republic of China
| | - Yang Liu
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Road, Nanjing, 210009, Jiangsu Province, People's Republic of China
| | - Yadong Feng
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Road, Nanjing, 210009, Jiangsu Province, People's Republic of China
| | - Jingwu Dong
- Department of Gastroenterology, Xuyi County People's Hospital, Huaian, 211700, People's Republic of China
| | - Ruihua Shi
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Road, Nanjing, 210009, Jiangsu Province, People's Republic of China.
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Sun W, Zhang X, He X, Zhang J, Wang X, Lin W, Wang X, Wu X. Long non-coding RNA SNHG16 silencing inhibits proliferation and inflammation in Mycobacterium tuberculosis-infected macrophages by targeting miR-140-5p expression. Infect Genet Evol 2022; 103:105325. [PMID: 35779785 DOI: 10.1016/j.meegid.2022.105325] [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] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 06/23/2022] [Accepted: 06/26/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE The study investigated the clinical diagnostic value of long non-coding RNA (LncRNA) small nucleolar RNA host gene 16 (SNHG16) and explored its underlying molecular mechanism through Mycobacterium tuberculosis (M. tuberculosiinfection of macrophages. METHODS RT-qPCR analysis of the serum SNHG16 levels of the 66 healthy individuals, 67 latent TB (LTB) patients, and 67 active TB (ATB) patients. The receiver-operating characteristic (ROC) curve to detect the clinical diagnostic value of SNHG16 in TB patients. In vitro, M. tuberculosis-infected macrophages, CCK-8 and ELISA to detect cell proliferation and inflammatory factor levels. Luciferase reported assay was performed to analyze the targeting relationship between SNHG16 and miR-140-5p. RESULTS SNHG16 was significantly elevated in TB patients, and among them, ATB patients were higher than LTB patients. ROC confirmed that SNHG16 could distinguish LTB patients from healthy controls, and ATB patients from LTB patients, and can be used as a good diagnostic biomarker for TB. M. tuberculosis infection increased SNHG16 levels and promoted the proliferation and inflammation in macrophages. However, SNHG16 silencing significantly reversed the effect of infection. miR-140-5p, a direct target miRNA of SNHG16, was down-regulated in TB patients and was negatively correlated with SNHG16. When miR-140-5p was inhibited, the alleviating effect of SNHG16 silencing on M. tuberculosis infection proliferation and inflammation was significantly reversed. CONCLUSION The present results suggested that SNHG16 may be a new diagnostic biomarker for TB patients and SNHG16 silencing may alleviate TB by inhibiting the proliferation of macrophages in TB by regulation miR-140-5p.
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Affiliation(s)
- Wenna Sun
- Senior Department of Tuberculosis, The 8th Medical Center of Chinese People's Liberation Army General Hospital, Tuberculosis Prevention and Control Key Laboratory, Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and Treatment, Beijing 100091, China
| | - Xiushuang Zhang
- Senior Department of Tuberculosis, The 8th Medical Center of Chinese People's Liberation Army General Hospital, Tuberculosis Prevention and Control Key Laboratory, Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and Treatment, Beijing 100091, China
| | - Xiong He
- Senior Department of Tuberculosis, The 8th Medical Center of Chinese People's Liberation Army General Hospital, Tuberculosis Prevention and Control Key Laboratory, Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and Treatment, Beijing 100091, China
| | - Junxian Zhang
- Senior Department of Tuberculosis, The 8th Medical Center of Chinese People's Liberation Army General Hospital, Tuberculosis Prevention and Control Key Laboratory, Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and Treatment, Beijing 100091, China
| | - Xiaomeng Wang
- Senior Department of Tuberculosis, The 8th Medical Center of Chinese People's Liberation Army General Hospital, Tuberculosis Prevention and Control Key Laboratory, Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and Treatment, Beijing 100091, China
| | - Wen Lin
- Senior Department of Tuberculosis, The 8th Medical Center of Chinese People's Liberation Army General Hospital, Tuberculosis Prevention and Control Key Laboratory, Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and Treatment, Beijing 100091, China
| | - XiaoFeng Wang
- Senior Department of Tuberculosis, The 8th Medical Center of Chinese People's Liberation Army General Hospital, Tuberculosis Prevention and Control Key Laboratory, Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and Treatment, Beijing 100091, China
| | - Xueqiong Wu
- Senior Department of Tuberculosis, The 8th Medical Center of Chinese People's Liberation Army General Hospital, Tuberculosis Prevention and Control Key Laboratory, Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and Treatment, Beijing 100091, China.
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11
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Xia Y, Guan J, Lu X, Liu Y, Luan W. Novel lncRNA SNHG16 Promotes the Growth and Metastasis of Malignant Melanoma by Regulating miR-205-5p/PAK2 Axis. Clin Cosmet Investig Dermatol 2022; 15:1615-1625. [PMID: 35983126 PMCID: PMC9379127 DOI: 10.2147/ccid.s374404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 05/22/2022] [Accepted: 08/02/2022] [Indexed: 11/23/2022]
Abstract
Background Long non-coding RNAs (lncRNAs) play an key role in the biological processes of various malignant tumors. SNHG16 has been confirmed to be associated with the progression of various cancers. However, function and molecular mechanism of SNHG16 in melanoma have not been studied by scholars. Methods The expression of SNHG16 in melanoma tissues were detected by using qRT-PCR. Melanoma cases from The Cancer Genome Atlas (TCGA) and GEO#GSE15605 were included in this study. CCK-8 assay, EdU assay, transwell and scratch wound assay were used to explore the role of SNHG16 in melanoma cells. Luciferase reporter assays and RNA pull-down assay were used to explore the molecular mechanism of SNHG16 in melanoma. Results Here, we found that SNHG16 was up-regulated in melanoma. SNHG16 enhances the growth and metastasis of melanoma. SNHG16 can promote the expression of P21-activated kinases 2 (PAK2) by sponging miR-205-5p. PAK2 is the target gene of miR-205-5p. We demonstrated that SNHG16 promotes the metastasis and growth of melanoma through miR-205-5p/PAK2 axis. Conclusion This study firstly confirmed the role and mechanism of SNHG16 in the occurrence and development of melanoma. Therefore, SNHG16 may become a key point in the diagnosis, prognosis and treatment of melanoma patients in the future.
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Affiliation(s)
- Yun Xia
- Department of Plastic Surgery, The People's Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Danyang, Jiangsu, People's Republic of China
| | - Jing Guan
- Department of Plastic Surgery, The People's Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Danyang, Jiangsu, People's Republic of China
| | - Xu Lu
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China
| | - Yifan Liu
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China
| | - Wenkang Luan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China
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Yu M, Xie D, Hu CY, Cui Y. LncRNA small nucleolar RNA host gene 16 reduces sepsis-induced myocardial damage by regulating miR-421/suppressor of cytokine signaling 5 axis. Kaohsiung J Med Sci 2022; 38:517-529. [PMID: 35199943 DOI: 10.1002/kjm2.12520] [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: 07/11/2021] [Revised: 01/20/2022] [Accepted: 01/28/2022] [Indexed: 11/06/2022] Open
Abstract
Currently, sepsis-induced cardiomyopathy (SIC) remains as one of the most critical clinical syndromes in terminally ill patients. Noncoding RNAs (including microRNAs and long noncoding RNAs) are implicated in both the onset and development of SIC. We herein investigated the functional role and molecular target of long noncoding RNA small nucleolar RNA host gene 16 (SNHG16) in an in vitro SIC model of H9c2 myocardial cells. We used lipopolysaccharide (LPS) as endotoxin to treat H9c2 cells to mimic SIC damages. Cell Counting Kit 8 and apoptosis assay were performed to assess cell proliferation and cell death. Quantitative real-time-PCR and Western blot were employed to examine gene expression level at mRNA and protein level. Dual luciferase assay is used to validate the functional interactions between SNHG16/mi-R421 and miR-421/suppressor of cytokine signaling 5 (SOCS5). Inflammatory cytokines were measured by ELISA. Superoxide dismutase and malondialdehyde measurement was performed to assess oxidative stress, which was further confirmed by 2',7'-dichlorofluorescin diacetate staining. Our data demonstrated that in the LPS-induced sepsis model of myocardial cells, SNHG16 overexpression downregulated the expression level of miR-421, which sustained the expression of SOCS5 to alleviate the adverse effects of LPS, such as apoptosis, pro-inflammatory cytokines, and oxidative stress. Our data suggest that SNHG16 functions as a ceRNA to maintain SOCS5 level by targeting miR-421, thereby attenuating LPS-induced myocardial cell damages. Targeting miR-421 or modulating lncRNA SNHG16 level may be leveraged as a beneficial strategy against sepsis-induced cellular damage in cardiomyocytes.
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Affiliation(s)
- Min Yu
- Department of Cardiology, Wuhan Red Cross Hospital, Wuhan, Hubei, China
| | - Dan Xie
- Department of Cardiology, Wuhan Red Cross Hospital, Wuhan, Hubei, China
| | - Cai-Ying Hu
- Department of Cardiology, Wuhan Red Cross Hospital, Wuhan, Hubei, China
| | - Yue Cui
- Department of Cardiology, Wuhan Red Cross Hospital, Wuhan, Hubei, China
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Abstract
Cerebral ischemia-reperfusion injury imposes a clinical challenge for physicians in the wake of ischemic stroke. Meanwhile, recent evidence has come to light eliciting the neuroprotective function of SNHG16 in cerebrovascular diseases. Accordingly, the current study sought to analyze the regulatory mechanism of long non-coding RNA small nucleolar RNA host gene16 (SNHG16) in oxidative stress (OS) injury and cell inflammation. Firstly, models of oxygen-glucose deprivation and reoxygenation (OGD/R) were established in SK-N-SH cells. Cell proliferation and apoptosis were appraised using cell counting kit-8 and flow cytometry. Additionally, SNHG16, X-linked inhibitor of apoptosis protein (XIAP), microRNA (miR-421), reactive oxygen species (ROS), lactate dehydrogenase (LDH), malondialdehyde (MDA), superoxide dismutase (SOD), tumor necrosis factor -α, interleukin (IL)-1β, and IL-10 expression patterns were determined. In addition, we determined and validated the subcellular localization of SNHG16 and the binding relationships between SNHG16 and miR-421, and miR-421 and XIAP. It was found that SNHG16 was poorly-expressed in OGD/R-treated cells. On the other hand, SNHG16 over-expression enhanced cell proliferation, inhibited apoptosis, and alleviated OS and cell inflammation. Furthermore, SNHG16 bound to miR-421 to facilitate the expression of XIAP. Up-regulation of miR-421 or down-regulation of XIAP could reverse the suppressive effects of SNHG16 on OS and cell inflammation. Collectively, our findings indicated that SNHG16 bound to miR-421 to facilitate XIAP expression, thus alleviating OS injury and inflammation in OGD/R-induced SK-N-SH cells.
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Affiliation(s)
- Xiangyuan Cao
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Clinical Medical College of Nanjing Medical University, Shanghai, China
| | - Jingjing Ma
- School of Medicine, Shanghai Tenth People's Hospital, Tongji University, Shanghai, China
| | - Shaohua Li
- Department of Orthopedics, Shanghai Tenth People's Hospital, Clinical Medical College of Nanjing Medical University, Shanghai, China
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Zhang QJ, Li DZ, Lin BY, Geng L, Yang Z, Zheng SS. SNHG16 promotes hepatocellular carcinoma development via activating ECM receptor interaction pathway. Hepatobiliary Pancreat Dis Int 2022; 21:41-9. [PMID: 34600815 DOI: 10.1016/j.hbpd.2021.09.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 06/28/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND Accumulating data have suggested that long non-coding RNAs (lncRNAs) play important roles in regulating tumor cell growth. This study was designed to investigate the role of SNHG16 in hepatocellular carcinoma (HCC). METHODS SNHG16 expression was detected with real-time polymerase chain reaction (PCR). The cutoff value of SNHG16 for tumor-free survival (TFS) was determined with receiver operating characteristic curve analysis. Small interfering RNA was used to inhibit the expression of SNHG16 in HCC cell lines. The biologic behavior of HCC cell was determined with cell viability assay and Transwell assay in vitro. The potential predictive value of SNHG16 on prognosis was analyzed by Kaplan-Meier curves and Cox proportional hazards regression model. RESULTS SNHG16 expression was upregulated in tumor tissues and HCC cell lines. High expression of SNHG16 was associated with tumor recurrence and poor prognosis after surgery. Multivariate analysis revealed that SNHG16 was an independent prognostic factor for poor recurrence-free survival. Moreover, inhibition of SNHG16 in HepG2, Hep3B, and BEL-7402 cells significantly reduced cell invasiveness and proliferation. Mechanistic analyses indicated that the ECM-receptor interaction pathway was remarkably activated by SNHG16. CONCLUSIONS SNHG16 might be a promising biomarker for predicting tumor recurrence in HCC patients after surgery and a potential therapeutic target for HCC.
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15
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Wan L, Gu D, Li P. LncRNA SNHG16 promotes proliferation and migration in laryngeal squamous cell carcinoma via the miR-140-5p/NFAT5/Wnt/β-catenin pathway axis. Pathol Res Pract 2021; 229:153727. [PMID: 34911016 DOI: 10.1016/j.prp.2021.153727] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 11/10/2021] [Accepted: 11/26/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Recent studies demonstrate that long noncoding RNAs (lncRNAs) are involved in the development of various cancers. Many lncRNAs were reported to abnormally express in laryngeal squamous cell carcinoma (LSCC) and play pivotal roles in its development. LncRNA small nucleolar RNA host gene 16 (SNHG16) was previously validated as an oncogene in hepatocellular carcinoma. Nevertheless, the biological role of SNHG16 in LSCC still needs more explorations. The goal of this assay is to explore the function and molecular mechanism of lncRNA SNHG16 in the development of LSCC. METHODS AND RESULTS First, RT-qPCR demonstrated the upregulation of SNHG16 in LSCC cells and tissues. Loss-of-function assays determined the inhibitive influence of SNHG16 downregulation on cell viability, growth, and migration in LSCC. Furthermore, SNHG16 bound with miR-140-5p in LSCC. MiR-140-5p overexpression suppressed LSCC cell proliferation and migration. NFAT5 was identified as a direct target of miR-140-5p. Through rescue experiments, overexpression of NFAT5 reversed SNHG16 knockdown-mediated suppression on cell viability, growth, and migration in LSCC. Additionally, NFAT5 overexpression activated while NFAT5 downregulation inhibited the Wnt/β-catenin signaling pathway. CONCLUSION LncRNA SNHG16 is upregulated in LSCC and contributes to the development of LSCC via regulating the miR-140-5p/NFAT5/Wnt/β-catenin pathway axis. The SNHG16/miR-140-5p/NFAT5/Wnt/β-catenin pathway axis might provide a novel strategy for LSCC treatment.
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Affiliation(s)
- Lanlan Wan
- Department of Otolaryngology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian 223300, Jiangsu, China
| | - Dongsheng Gu
- Department of Otolaryngology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian 223300, Jiangsu, China
| | - Peizhong Li
- Department of Otolaryngology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian 223300, Jiangsu, China.
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Xia L, Zhu G, Huang H, He Y, Liu X. LncRNA small nucleolar RNA host gene 16 ( SNHG16) silencing protects lipopolysaccharide (LPS)-induced cell injury in human lung fibroblasts WI-38 through acting as miR-141-3p sponge. Biosci Biotechnol Biochem 2021; 85:1077-1087. [PMID: 33836533 DOI: 10.1093/bbb/zbab016] [Citation(s) in RCA: 4] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 01/21/2021] [Indexed: 12/14/2022]
Abstract
Long noncoding RNA (LncRNA) small nucleolar RNA host gene 16 (SNHG16) is correlated with cell injuries, including pneumonia. However, its role and mechanism remain vague in pneumonia. The interplay among genes was confirmed by dual-luciferase reporter assay, RNA immunoprecipitation, and RNA pull-down assay. SNHG16 and sushi domain containing 2 (SUSD2) were upregulated, and miRNA (miR)-141-3p was downregulated in the serum of acute pneumonia patients and lipopolysaccharide (LPS)-challenged human lung fibroblasts WI-38. LPS induced apoptosis, autophagy, and inflammatory response in WI-38 cells, which was significantly attenuated by SNHG16 knockdown and/or miR-141-3p overexpression. Notably, both SNHG16 and SUSD2 were identified as target genes of miR-141-3p. Besides, the suppressive role of SNHG16 knockdown in LPS-induced in WI-38 cells was partially abolished by miR-141-3p silencing, and the similar inhibition of miR-141-3p overexpression was further blocked by SUSD2 restoration. In conclusion, knockdown of SNHG16 could alleviate LPS-induced apoptosis, autophagy, and inflammation in WI-38 cells partially though the SNHG16/miR-141-3p/SUSD2 pathway.
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Affiliation(s)
- Lei Xia
- Department of Pediatrics, Binzhou People's Hospital, Binzhou, Shandong, China
| | - Guoqing Zhu
- Department of Pediatrics, Binzhou People's Hospital, Binzhou, Shandong, China
| | - Haiyun Huang
- Department of oral and maxillofacial surgery, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Yishui He
- Department of Stomatology, Shenzhen Hospital of Southern Medical University, Shenzhen, China
| | - Xingguang Liu
- Department of oral and maxillofacial surgery, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
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Yan YM, Zheng JN, Wu LW, Rao QW, Yang QR, Gao D, Wang Q. Prediction of a Competing Endogenous RNA Co-expression Network by Comprehensive Methods in Systemic Sclerosis-Related Interstitial Lung Disease. Front Genet 2021; 12:633059. [PMID: 34290731 PMCID: PMC8287190 DOI: 10.3389/fgene.2021.633059] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [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: 11/26/2020] [Accepted: 04/16/2021] [Indexed: 11/27/2022] Open
Abstract
Systemic sclerosis (SSc) is an immune-mediated connective tissue disease characterized by fibrosis of multi-organs, and SSc-related interstitial lung disease (SSc-ILD) is a leading cause of morbidity and mortality. To explore molecular biological mechanisms of SSc-ILD, we constructed a competing endogenous RNA (ceRNA) network for prediction. Expression profiling data were obtained from the Gene Expression Omnibus (GEO) database, and differential expressed mRNAs and miRNAs analysis was further conducted between normal lung tissue and SSc lung tissue. Also, the interactions of miRNA–lncRNA, miRNA–mRNA, and lncRNA–mRNA were predicted by online databases including starBase, LncBase, miRTarBase, and LncACTdb. The ceRNA network containing 11 lncRNAs, 7 miRNAs, and 20 mRNAs were constructed. Based on hub genes and miRNAs identified by weighted correlation network analysis (WGCNA) method, three core sub-networks—SNHG16, LIN01128, RP11-834C11.4(LINC02381)/hsa-let-7f-5p/IL6, LINC01128/has-miR-21-5p/PTX3, and LINC00665/hsa-miR-155-5p/PLS1—were obtained. Combined with previous studies and enrichment analyses, the lncRNA-mediated network affected LPS-induced inflammatory and immune processes, fibrosis development, and tumor microenvironment variations. The ceRNA network, especially three core sub-networks, may be served as early biomarkers and potential targets for SSc, which also provides further insights into the occurrence, progression, and accurate treatment of SSc at the molecular level.
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Affiliation(s)
- Yue-Mei Yan
- Department of Dermatology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ji-Na Zheng
- Department of Dermatology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Li-Wei Wu
- Department of Thoracic Surgery, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Qian-Wen Rao
- Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qiao-Rong Yang
- Department of Dermatology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Di Gao
- Department of Dermatology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qiang Wang
- Department of Dermatology, Zhongshan Hospital, Fudan University, Shanghai, China
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Taheri M, Rad LM, Hussen BM, Nicknafs F, Sayad A, Ghafouri-Fard S. Evaluation of expression of VDR-associated lncRNAs in COVID-19 patients. BMC Infect Dis 2021; 21:588. [PMID: 34147082 PMCID: PMC8214050 DOI: 10.1186/s12879-021-06248-8] [Citation(s) in RCA: 15] [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: 02/10/2021] [Accepted: 05/27/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Coronavirus disease 2019 (COVID-19) has been shown to cause serious health problems among them is the Acute Respiratory Distress syndrome (ARDS). Vitamin D receptor (VDR) signaling possibly partakes in the pathophysiology of this devastating complication. METHODS In the current project, we have appraised expression levels of VDR, CYP27B1 and a number of associated lncRNAs in the circulation of COVID-19 patients versus healthy subjects using real-time PCR method. RESULTS Expression of SNHG6 was considerably lower in COVID-19 patients compared with control subjects (Ratio of mean expression (RME) = 0.22, P value = 7.04E-05) and in both female and male COVID-19 patients compared with sex-matched unaffected individuals (RME = 0.32, P value = 0.04 and RME = 0.16, P value = 0.000679683, respectively). However, its expression was similar among ICU-hospitalized and non-ICU patients. Similarly, expression of SNHG16 was lower in in COVID-19 patients compared with controls (RME = 0.20, P value = 5.94E-05) and in both female and male patients compared with sex-matched controls (RME = 0.32, P value = 0.04 and RME = 0.14, P value = 0.000496435, respectively) with no significant difference among ICU-hospitalized and non-ICU hospitalized patients. Expression of VDR was lower in COVID-19 patients compared with controls (RME = 0.42, P value = 0.04) and in male patients compared with male controls (RME = 0.27, P value = 0.02). Yet, expression of VDR was statistically similar between female subgroups and between ICU-hospitalized and non-ICU hospitalized patients. Expression levels CYP27B, Linc00511 and Linc00346 were similar among COVID-19 patients and healthy subjects or between their subgroups. Significant correlations have been detected between expression levels of VDR, CYP27B and SNHG6, SNHG16, Linc00511 and Linc00346 lncRNAs both among COVID-19 patients and among healthy controls with the most significant ones being SNHG6 and SNHG16 (r = 0.74, P value = 3.26e-17 and r = 0.81, P = 1.54e-22, respectively). CONCLUSION Combination of transcript levels of VDR, CYP27B and SNHG6, SNHG16, Linc00511 and Linc00346 could differentiate patients from controls with AUC = 0.76, sensitivity = 0.62 and specificity = 0.81. The current data potentiate SNHG6, SNHG16 and VDR as possible contributors in COVID-19 infection but not in the severity of ARDS.
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Affiliation(s)
- Mohammad Taheri
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Lina Moallemi Rad
- Department of Molecular and Cell Biology, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran
| | - Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Erbil, Iraq
| | - Fwad Nicknafs
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arezou Sayad
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Zhang R, Li P, Lv H, Li N, Ren S, Xu W. Exosomal SNHG16 secreted by CSCs promotes glioma development via TLR7. Stem Cell Res Ther 2021; 12:349. [PMID: 34134771 PMCID: PMC8207674 DOI: 10.1186/s13287-021-02393-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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: 12/29/2020] [Accepted: 05/16/2021] [Indexed: 12/29/2022] Open
Abstract
Background Glioma is one of the most common central nervous system malignant tumors, accounting for 45~60% of adult intracranial tumors. However, the clinical treatment of glioma is limited. It is of great significance to seek new therapeutic methods for glioma via gene therapy. Methods Long non-coding RNA (lncRNA) SNHG16 expression level was measured by microarray and qRT-PCR assay; ISH was used to identify the location of SNHG16. Cancer stem cells (CSCs) were separated from glioma tissues and identified using immunofluorescence. Exosomes were isolated from CSCs and cancer cells and identified by TEM and western blot. MTT, wound healing, transwell, and colony formation assay were performed to explore the role of SNHG16 or si-SNHG16 from CSCs on progression of glioma cells. RIP was used to verify the interaction between SNHG16 and TLR7. The experiment of Xenograft used for exploring the function of SNHG16/ TLR7/MyD88/NFκB/c-Myc on growth on glioma in vivo. Results Microarray assay showed long non-coding RNA (lncRNA) SNHG16 was upregulated in glioma. Followed qRT-PCR also showed an increase of SNHG16 in glioma tissues; high expression of SNHG16 indicated a poor prognosis in glioma patients. Interestingly, SNHG16 was packaged into exosomes and derived from CSCs. Functional analysis showed exo-SNHG16 secreted by CSCs promoted the progression of glioma cell lines SHG44 and U251. Furthermore, SNHG16 interacted with TLR7 and activated NFκB/c-Myc signaling in glioma cells. And the silencing of TLR7 inhibited the progression of SHG44 and U251 cells by exo-SNHG16 from CSCs. In vivo tumorigenesis experiments showed that exo-SNHG16 induced glioma progression by activating TLR7/MyD88/NFκB/c-Myc signaling. Conclusion Our study suggested CSC-derived exo-SNHG16 promoted cancer progression by activating TLR7/MyD88/NFκB/c-Myc signaling pathway. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02393-8.
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Affiliation(s)
- Ruijie Zhang
- Department of Neurology, Heze Hospital of Traditional Chinese Medicine, Heze, 274000, Shandong, China
| | - Peng Li
- Department of Neurosurgery, Heze Hospital of Traditional Chinese Medicine, 1036, Danyang Road, Heze, 274000, Shandong, China
| | - Heli Lv
- Department of Neurosurgery, Heze Hospital of Traditional Chinese Medicine, 1036, Danyang Road, Heze, 274000, Shandong, China
| | - Nana Li
- Department of Non-treatment, Wenshang County Hospital of Traditional Chinese Medicine, Jining, 272501, Shandong, China
| | - Suliang Ren
- Department of Neurosurgery, Heze Hospital of Traditional Chinese Medicine, 1036, Danyang Road, Heze, 274000, Shandong, China
| | - Wentao Xu
- Department of Neurosurgery, Heze Hospital of Traditional Chinese Medicine, 1036, Danyang Road, Heze, 274000, Shandong, China.
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Yu Z, Zhang Y, Zheng H, Gao Q, Wang H. LncRNA SNHG16 regulates trophoblast functions by the miR-218-5p/LASP1 axis. J Mol Histol 2021; 52:1021-1033. [PMID: 34110517 DOI: 10.1007/s10735-021-09985-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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: 02/19/2021] [Accepted: 05/24/2021] [Indexed: 12/22/2022]
Abstract
Altered placental development and function lead to placental diseases such as preeclampsia (PE) which is mainly characterized by insufficient trophoblast invasion and abnormally invasive placenta disorders. Long noncoding RNAs (lncRNAs) are widely reported to function as crucial players in the pathogenesis of PE. The present investigation clarified the role of lncRNA small nucleolar RNA host gene 16 (SNHG16) in PE. RT-qPCR was used to measure gene expression. The proliferation of trophoblast cells was examined using CCK-8 and EdU assays. Trophoblast migration and invasion were assessed using wound healing and transwell assays. The apoptosis was estimated by flow cytometry. Luciferase reporter and RNA pull-down assays were performed to explore the molecular mechanisms in trophoblast cells. We found that SNHG16 was downregulated in placenta from patients with PE. Moreover, SNHG16 depletion significantly inhibited trophoblast cell proliferation, migration, and invasion and stimulated apoptosis, while SNHG16 overexpression exerted an opposite effect. Subsequently, we confirmed that SNHG16 acted as a competing RNA (ceRNA) of miR-218-5p that was verified to directly target LASP1. Both miR-218-5p depletion and LASP1 upregulation antagonized the effect of SNHG16 knockdown on HTR-8/SVneo cell functions. In conclusion, SNHG16 facilitates trophoblast cell migration and invasion by the miR-218-5p/LASP1 axis.
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Affiliation(s)
- Zhou Yu
- Department of Obstetrics, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, No. 1 Huanghe West Road, Huaiyin District, Huaian , 223300, Jiangsu, China
| | - Yulei Zhang
- Department of Obstetrics, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, No. 1 Huanghe West Road, Huaiyin District, Huaian , 223300, Jiangsu, China
| | - Haoyu Zheng
- Department of Obstetrics, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, No. 1 Huanghe West Road, Huaiyin District, Huaian , 223300, Jiangsu, China
| | - Qiong Gao
- Department of Obstetrics, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, No. 1 Huanghe West Road, Huaiyin District, Huaian , 223300, Jiangsu, China
| | - Haidong Wang
- Department of Obstetrics, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, No. 1 Huanghe West Road, Huaiyin District, Huaian , 223300, Jiangsu, China.
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21
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Sun J, Xin K, Leng C, Ge J. Down-regulation of SNHG16 alleviates the acute lung injury in sepsis rats through miR-128-3p/HMGB3 axis. BMC Pulm Med 2021; 21:191. [PMID: 34092219 PMCID: PMC8180123 DOI: 10.1186/s12890-021-01552-0] [Citation(s) in RCA: 15] [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: 11/24/2020] [Accepted: 05/10/2021] [Indexed: 02/08/2023] Open
Abstract
Background Long noncoding RNAs contribute to various inflammatory diseases, including sepsis. We explore the role of small nucleolar RNA host gene 16 (SNHG16) in sepsis-mediated acute lung injury (ALI) and inflammation. Methods A sepsis-induced ALI rat model was constructed by the cecal ligation and perforation method. The profiles of SNHG16, miR-128-3p, and high-mobility group box 3 (HMGB3) were monitored by quantitative reverse transcription PCR and Western blot. The pathologic changes of lung tissues were evaluated by Hematoxylin–Eosin staining, immunohistochemistry, and dry and wet method. Meanwhile, the pro-inflammatory factors and proteins were determined by ELISA and Western blot. In contrast, a sepsis model in BEAS-2B was induced with lipopolysaccharide (LPS) to verify the effects of SNHG16/miR-128-3p/HMGB3 on lung epithelial cell viability and apoptosis. Results As a result, SNHG16 and HMGB3 were up-regulated, while miR-128-3p was down-regulated in sepsis-induced ALI both in vivo and in vitro. Inhibiting SNHG16 reduced the apoptosis and inflammation in the sepsis-induced ALI model. Overexpressing SNHG16 promoted LPS-mediated lung epithelial apoptosis and inhibited cell viability and inflammation, while miR-128-3p had the opposite effects. Mechanistically, SNHG16 targeted miR-128-3p and attenuated its expression, while miR-128-3p targeted the 3′ untranslated region of HMGB3. Conclusions Overall, down-regulating SNHG16 alleviated the sepsis-mediated ALI by regulating miR-128-3p/HMGB3. Supplementary Information The online version contains supplementary material available at 10.1186/s12890-021-01552-0.
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Affiliation(s)
- Junli Sun
- General ICU, Luoyang Central Hospital Affiliated To Zhengzhou University, 288 Zhongzhou Middle Road, Luoyang, 471009, Henan, China.
| | - Keke Xin
- General ICU, Luoyang Central Hospital Affiliated To Zhengzhou University, 288 Zhongzhou Middle Road, Luoyang, 471009, Henan, China
| | - Chenghui Leng
- General ICU, Luoyang Central Hospital Affiliated To Zhengzhou University, 288 Zhongzhou Middle Road, Luoyang, 471009, Henan, China
| | - Jianlin Ge
- General ICU, Luoyang Central Hospital Affiliated To Zhengzhou University, 288 Zhongzhou Middle Road, Luoyang, 471009, Henan, China
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Cheng T, Shuang W, Ye D, Zhang W, Yang Z, Fang W, Xu H, Gu M, Xu W, Guan C. SNHG16 promotes cell proliferation and inhibits cell apoptosis via regulation of the miR-1303-p/STARD9 axis in clear cell renal cell carcinoma. Cell Signal 2021; 84:110013. [PMID: 33901578 DOI: 10.1016/j.cellsig.2021.110013] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/20/2021] [Accepted: 04/20/2021] [Indexed: 02/06/2023]
Abstract
Clear cell renal cell carcinoma (ccRCC) is a common subtype of renal cell carcinoma (RCC) and causes many deaths. Numerous medical studies have suggested that long noncoding RNAs (lncRNAs) exert their biological functions on ccRCC. Herein, functions of lncRNA SNHG16 in ccRCC cells and the mechanism mediated by SNHG16 were investigated. The expression levels of SNHG16 and its downstream genes in ccRCC cells and RCC tissues were examined utilizing reverse transcription quantitative polymerase chain reaction analyses. Cell counting kit-8 and 5-Ethynyl-2'-deoxyuridine assays were performed to evaluate the proliferation of ccRCC cells, and flow cytometry analyses were employed to determine the apoptosis of ccRCC cells. Western blot analysis was applied to examine protein levels associated with cell proliferation and apoptosis. The combination between SNHG16 and miRNA as well as miRNA and its target gene were explored by luciferase reporter, RNA pull down, and RNA immunoprecipitation assays. The significant upregulation of SNHG16 was observed in RCC tissues and ccRCC cells. SNHG16 downregulation inhibited the proliferation and promoted the apoptosis of ccRCC cells. In addition, SNHG16 served as a competing endogenous RNA for miR-1301-3p, and STARD9 was a target gene of miR-1301-3p in ccRCC cells. SNHG16 upregulated STARD9 expression by binding with miR-1301-3p in ccRCC cells. Rescue assays validated that SNHG16 promoted ccRCC cell promotion and induced ccRCC cell apoptosis by upregulating STARD9 expression. In conclusions, SNHG16 promotes ccRCC cell proliferation and suppresses ccRCC cell apoptosis via interaction with miR-1301-3p to upregulate STARD9 expression in ccRCC cells.
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Affiliation(s)
- Tao Cheng
- Department of Urology, The Second Affiliated Hospital of Bengbu Medical College, Bengbu 233000, Anhui, China
| | - Weibing Shuang
- Department of Urology, The First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Dawen Ye
- Department of Urology, The Second Affiliated Hospital of Bengbu Medical College, Bengbu 233000, Anhui, China
| | - Wenzhi Zhang
- Innoscience Research Sdn Bhd, Subang Jaya, Malaysia
| | - Zhao Yang
- Core Facility for Protein Research, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Wenge Fang
- Department of Urology, The Second Affiliated Hospital of Bengbu Medical College, Bengbu 233000, Anhui, China
| | - Haibin Xu
- Department of Urology, The Second Affiliated Hospital of Bengbu Medical College, Bengbu 233000, Anhui, China
| | - Mingli Gu
- Department of Urology, The Second Affiliated Hospital of Bengbu Medical College, Bengbu 233000, Anhui, China
| | - Weiqiang Xu
- Department of Urology, The Second Affiliated Hospital of Bengbu Medical College, Bengbu 233000, Anhui, China
| | - Chao Guan
- Department of Urology, The Second Affiliated Hospital of Bengbu Medical College, Bengbu 233000, Anhui, China..
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Lou W, Wang W, Chen J, Wang S, Huang Y. ncRNAs-mediated high expression of SEMA3F correlates with poor prognosis and tumor immune infiltration of hepatocellular carcinoma. Mol Ther Nucleic Acids 2021; 24:845-855. [PMID: 34026328 PMCID: PMC8121632 DOI: 10.1016/j.omtn.2021.03.014] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [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: 02/18/2021] [Accepted: 03/25/2021] [Indexed: 01/04/2023]
Abstract
Hepatocellular carcinoma (HCC) is notorious for its poor prognosis. Increasing evidence has demonstrated that semaphorin 3F (SEMA3F) plays key roles in initiation and progression of several types of human cancer. However, the specific role and mechanism of SEMA3F in HCC remains not fully determined. In this study, we first performed pan-cancer analysis for SEMA3F’s expression and prognosis using The Cancer Genome Atlas (TCGA) and The Genotype-Tissue Expression (GTEx) data and found that SEMA3F might be a potential oncogene in HCC. Subsequently, noncoding RNAs (ncRNAs) contributing to SEMA3F overexpression were identified by a combination of a series of in silico analyses, including expression analysis, correlation analysis, and survival analysis. Finally, the TMPO-AS1/SNHG16-let-7c-5p axis was identified as the most potential upstream ncRNA-related pathway of SEMA3F in HCC. Moreover, SEMA3F level was significantly positively associated with tumor immune cell infiltration, biomarkers of immune cells, and immune checkpoint expression. Collectively, our findings elucidated that ncRNAs-mediated upregulation of SEMA3F correlated with poor prognosis and tumor immune infiltration in HCC.
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Affiliation(s)
- Weiyang Lou
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003 Zhejiang, China
| | - Wenlong Wang
- Intensive Care Unit, Hangzhou Hospital of Traditional Chinese Medicine, Hangzhou, China
| | - Jing Chen
- Department of Oncology, The First Affiliated Hospital of Jiaxing University, Jiaxing, 314000 Zhejiang, China
| | - Shuqian Wang
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003 Zhejiang, China
| | - Yuan Huang
- Department of Breast Medical Oncology, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, 310022 Zhejiang, China
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24
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Deng D, Yang S, Wang X. Long non-coding RNA SNHG16 regulates cell behaviors through miR-542-3p/HNF4α axis via RAS/RAF/MEK/ERK signaling pathway in pediatric neuroblastoma cells. Biosci Rep 2020; 40:BSR20200723. [PMID: 32412051 DOI: 10.1042/BSR20200723] [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: 04/09/2020] [Revised: 05/14/2020] [Accepted: 05/14/2020] [Indexed: 01/27/2023] Open
Abstract
Neuroblastoma (NB) is an extracranial solid tumor in children with complex mechanism. Increasing reports indicated that long non-coding RNA (lncRNA) small nucleolar RNA host gene 16 (SNHG16) account for the pathogenesis of NB. Nevertheless, the precise functions of SNHG16 needed to be further exposed in NB progression. Our data revealed that SNHG16 and hepatocyte nuclear factor 4 α (HNF4α) were up-regulated, but miR-542-3p was down-regulated in NB. Knockdown of SNHG16 or HNF4α could impede cell proliferation, migration, invasion, and epithelial-mesenchymal transition (EMT) in vitro. Interestingly, the role of SNHG16 detetion in cell behaviors was rescued by HNF4α overexpression in NB cells. Mechanically, SNHG16 modulated the progression of tumor growth via miR-542-3p/HNF4α axis in NB. Also, SNHG16 knockdown inactivated rat sarcoma/effector of RAS/mitogen-activated extracellular signal-regulated kinase/extracellular regulated protein kinases (RAS/RAF/MEK/ERK) signaling pathway through HNF4α. Therefore, SNHG16/miR-542-3p/HNF4α axis modified NB progression via RAS/RAF/MEK/ERK signaling pathway, might highlight a novel therapeutic approach for NB.
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Cai F, Jiang H, Li Y, Li Q, Yang C. Upregulation of long non-coding RNA SNHG16 promotes diabetes-related RMEC dysfunction via activating NF-κB and PI3K/AKT pathways. Mol Ther Nucleic Acids 2021; 24:512-527. [PMID: 33898104 PMCID: PMC8056184 DOI: 10.1016/j.omtn.2021.01.035] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [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: 05/19/2020] [Accepted: 01/25/2021] [Indexed: 12/19/2022]
Abstract
Diabetic retinopathy (DR) is a severe diabetes-induced eye disease, in which its pathological phenomena basically include abnormal proliferation, migration, and angiogenesis of microvascular endothelial cells in the retina. Long non-coding RNAs (lncRNAs) have been proven to be important regulators in various biological processes, but their participation in DR remains largely undiscovered. In the present study, we aimed to unveil the role of lncRNA small nucleolar RNA host gene 16 (SNHG16) in regulating the functions of human retinal microvascular endothelial cells (hRMECs) under a high-glucose (HG) condition. We found that SNHG16 expression was significantly upregulated in hRMECs treated with HG. Functionally, SNHG16 could facilitate hRMEC proliferation, migration, and angiogenesis. Moreover, SNHG16 was associated with nuclear factor κB (NF-κB) and phosphatidylinositol 3-kinase (PI3K)/AKT pathways. Mechanistically, SNHG16 could promote hRMEC dysfunction by sequestering microRNA (miR)-146a-5p and miR-7-5p to act as a competing endogenous RNA (ceRNA) with interleukin-1 receptor-associated kinase 1 (IRAK1) and insulin receptor substrate 1 (IRS1). In conclusion, our results illustrated the potential role of SNHG16 in facilitating hRMEC dysfunction under HG treatment, providing a novel approach for DR therapy.
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Affiliation(s)
- Fei Cai
- Department of Vascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Huanzong Jiang
- Department of Vascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yan Li
- Operation Room, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Qin Li
- Department of Vascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Chao Yang
- Department of Vascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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26
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Zhang R, Ma X, Jiang L, Xia W, Li H, Zhao N, Cui X, Zhang N, Zhou H, Xu S. Decreased lncRNA SNHG16 Accelerates Oxidative Stress Induced Pathological Angiogenesis in Human Retinal Microvascular Endothelial Cells by Regulating miR-195/mfn2 Axis. Curr Pharm Des 2021; 27:3047-3060. [PMID: 33530902 DOI: 10.2174/1381612827666210202141541] [Citation(s) in RCA: 6] [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: 07/22/2020] [Accepted: 12/04/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND This study was performed to identify the alterations of Long non-coding RNAs (lncRNAs) induced by oxidative stress and investigate the functional roles of SNHG16 in the pathological angiogenesis by human retinal microvascular endothelial cells (HMRECs). METHODS The expression profiles of lncRNAs and mRNAs induced by oxidative stress were identified by RNA-Seq, and the dysregulation of 16 lncRNAs including SNHG16 were verified in H2O2-treated human umbilical vein endothelial cells (HUVECs). Luciferase reporter assay and RIP analysis were used to investigate the binding relationship of SNHG16 to miR-195. RESULTS We confirmed that over-expression of SNGH16 attenuated H2O2-induced angiogenesis by HMRECs. In addition, SNHG16 was significantly decreased whereas miR-195, a predictive target of SNHG16, was upregulated in H2O2, HG, and AGE-treated HMRECs. The binding relationship of SNHG16 to miR-195 was subsequently verified by luciferase reporter assay and RIP analysis. SNHG16 cotransfection abolished miR-195-mediated repression on mitofusin 2 (mfn2) protein level and counteracted the inductive effect of miR-195 on angiogenesis by HMRECs. CONCLUSION These results indicated that decreased SNHG16 accelerates oxidative stress induced pathological angiogenesis in HMRECs by regulating miR-195/mfn2 axis, providing a potential target for diabetic retinopathy (DR) therapy.
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Affiliation(s)
- Rui Zhang
- Central Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, 050031. China
| | - Xiaoying Ma
- Central Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, 050031. China
| | - Lei Jiang
- Central Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, 050031. China
| | - Wenzhen Xia
- Central Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, 050031. China
| | - Haipeng Li
- Central Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, 050031. China
| | - Na Zhao
- Central Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, 050031. China
| | - Ximing Cui
- Hebei International Joint Research Center for Brain Science, Shijiazhuang, 050031. China
| | - Nan Zhang
- Central Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, 050031. China
| | - Huimin Zhou
- Central Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, 050031. China
| | - Shunjiang Xu
- Central Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, 050031. China
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Xu H, Miao X, Li X, Chen H, Zhang B, Zhou W. LncRNA SNHG16 contributes to tumor progression via the miR-302b-3p/SLC2A4 axis in pancreatic adenocarcinoma. Cancer Cell Int 2021; 21:51. [PMID: 33435953 PMCID: PMC7805184 DOI: 10.1186/s12935-020-01715-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [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: 09/17/2020] [Accepted: 12/16/2020] [Indexed: 12/14/2022] Open
Abstract
Background It has been reported that the lncRNA SNHG16 has significantly increased expression in pancreatic adenocarcinoma (PC). However, the functions and mechanisms of SNHG16 are not clear. The aim of this study was to explore the effects of SNHG16 on PC. Methods qRT-PCR analysis was applied to detect the expression levels of SNHG16, miR-302b-3p and SLC2A4 in PC tissues and cells. CCK8 and EdU assays were used to evaluate the proliferation of PC cells. Transwell assays were used to assess PC cell migration and invasion. Apoptosis was evaluated by flow cytometry, and the expression of apoptosis-related proteins (including Bax, Bcl-2, cleaved caspase-3 and cleaved caspase-9) was tested by western blotting. The interactions between miR-302b-3p and SNHG16 or miR-302b-3p and the 3’UTR of SLC2A4 mRNA were clarified by a dual luciferase reporter assay and RNA immunoprecipitation. Results SNHG16 expression was significantly elevated in PC tissues and cell lines and was associated with poor prognosis of PC patients. Knockdown of SNHG16 reduced PC cell proliferation, migration and invasion. SNHG16 acted as a sponge to regulate miR-302b-3p expression in PC cells. In addition, miR-302b-3p targeted SLC2A4 directly. Conclusions SNHG16 promoted the progression of PC via the miR-302b-3p/SLC2A4 axis and was expected to be a potential target for the early diagnosis and treatment of PC.
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Affiliation(s)
- Hao Xu
- The Second Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China.,The First Clinical Medical School of Lanzhou University, Lanzhou, Gansu, China.,Institute of Hepatopancreatobiliary Surgery of Gansu, Lanzhou, Gansu, China
| | - Xin Miao
- State Key Laboratory of Veterinary Etiological Biology & OIE/National Foot and Mouth Disease Reference Laboratory & Key Laboratory of Animal Virology of the Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
| | - Xin Li
- The Second Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China.,The First Clinical Medical School of Lanzhou University, Lanzhou, Gansu, China.,Institute of Hepatopancreatobiliary Surgery of Gansu, Lanzhou, Gansu, China
| | - Haofei Chen
- The Second Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China.,The First Clinical Medical School of Lanzhou University, Lanzhou, Gansu, China.,Institute of Hepatopancreatobiliary Surgery of Gansu, Lanzhou, Gansu, China
| | - Bo Zhang
- The Second Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China.,The First Clinical Medical School of Lanzhou University, Lanzhou, Gansu, China.,Institute of Hepatopancreatobiliary Surgery of Gansu, Lanzhou, Gansu, China
| | - Wence Zhou
- The Second Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China. .,The First Clinical Medical School of Lanzhou University, Lanzhou, Gansu, China. .,Institute of Hepatopancreatobiliary Surgery of Gansu, Lanzhou, Gansu, China.
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Yang B, Wang X, Ying C, Peng F, Xu M, Chen F, Cai B. Long Noncoding RNA SNHG16 Facilitates Abdominal Aortic Aneurysm Progression through the miR-106b-5p/STAT3 Feedback Loop. J Atheroscler Thromb 2021; 28:66-78. [PMID: 32612026 PMCID: PMC7875146 DOI: 10.5551/jat.52274] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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: 07/31/2019] [Accepted: 03/01/2020] [Indexed: 12/11/2022] Open
Abstract
AIM Deepening our understanding of the molecular mechanism of abdominal aortic aneurysm (AAA) progression will help set up novel avenues for therapeutic target identification. Our aim here was to unveil the mechanism function of STAT3 in AAA progression. METHODS We investigated the functional role of STAT3 in AAA by evaluating vascular smooth muscle cell (VSMC) apoptosis and proliferation via terminal deoxynucleotidyl transferase dUTP nick end labeling, western blotting, 5-ethynyl-2´-deoxyuridine, and Cell Counting Kit-8 assays. The interplay of lncRNA-miRNA-mRNA was verified using the luciferase reporter assay and the RNA pull-down, RNA immunoprecipitation, and chromatin immunoprecipitation assays. Quantitative real-time polymerase chain reaction and western blot were utilized to quantitate the RNA and protein levels of the indicated molecules. RESULTS Inhibition of STAT3 facilitated VSMC proliferation and repressed VSMC apoptosis. Moreover, It was demonstrated that small nucleolar RNA host gene 16 (SNHG16) sponged miR-106b-5p to release STAT3 from the inhibitory effect of miR-106b-5p. SNHG16 led to the upregulation of STAT3, and STAT3 was an upstream factor in the activation of SNHG16 transcription. Moreover, rescue experiments indicated that SNHG16 depended on STAT3 to regulate VSMC apoptosis and proliferation. In vivo assays showed that SNHG16 knockdown retarded the formation of AAA and upregulated STAT3 in vivo. CONCLUSIONS We identified that SNHG16/miR-106b-5p/STAT3 formed a complex circuitry for the deterioration of AAA via regulating VSMCs, suggesting a possible target for the pathogenesis of AAA.
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MESH Headings
- Animals
- Aortic Aneurysm, Abdominal/genetics
- Aortic Aneurysm, Abdominal/pathology
- Apoptosis
- Cell Line
- Gene Deletion
- Gene Knockdown Techniques
- Humans
- Mice, Inbred C57BL
- MicroRNAs/genetics
- Muscle, Smooth, Vascular/cytology
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- RNA, Long Noncoding/genetics
- STAT3 Transcription Factor/genetics
- Transcriptional Activation
- Up-Regulation
- Mice
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Affiliation(s)
- Baihui Yang
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Xi Wang
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Chenyong Ying
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Fei Peng
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Ming Xu
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Feiyun Chen
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Bing Cai
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Kunming Medical University, Kunming, China
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Liu R, Wu M, Xu G, Ju L, Xiao J, Zhong W, He X, Yang Y. Ropivacaine inhibits proliferation, migration, and invasion while inducing apoptosis of glioma cells by regulating the SNHG16/miR-424-5p axis. Open Life Sci 2020; 15:988-999. [PMID: 33817285 PMCID: PMC7874551 DOI: 10.1515/biol-2020-0108] [Citation(s) in RCA: 4] [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: 12/25/2019] [Revised: 06/14/2020] [Accepted: 06/15/2020] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Regional anesthesia has anti-proliferative and pro-apoptotic effects in various cancers. Therefore, the purpose of this study was to investigate the effects of ropivacaine on the proliferation, migration, invasion, and apoptosis of glioma cells in vitro. METHODS Under ropivacaine stimulation conditions, proliferation, apoptosis, migration, and invasion of glioma cells were determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazol-3-ium bromide (MTT), flow cytometry, and transwell assays, respectively. Western blot assay was employed to measure the protein expression levels in glioma cells. The expression levels of small nucleolar RNA host gene 16 (SNHG16) and miR-424-5p were assessed by reverse transcription-quantitative polymerase chain reaction (RT-qPCR). The interaction relationship between SNHG16 and miR-424-5p was predicted and confirmed using a bioinformatics database and dual-luciferase reporter, RNA immunoprecipitation (RIP) and RNA pull-down assays. RESULTS After treatment with ropivacaine, proliferation, migration, and invasion were repressed while apoptosis was enhanced in glioma cells in a dose-depended manner. In addition, ropivacaine impeded SNHG16 expression in glioma cells. Importantly, overexpression of SNHG16 abolished the ropivacaine-induced effects on glioma cells. Analogously, knockdown of miR-424-5p counteracted the function of ropivacaine in glioma cells. We also found that SNHG16 bound to miR-424-5p and negatively regulated miR-424-5p expression in glioma cells. The rescue experiments indicated that ropivacaine might regulate glioma progression by targeting the SNHG16/miR-424-5p axis. CONCLUSION Our findings revealed the anti-tumor effects of ropivacaine in glioma by targeting the SNHG16/miR-424-5p axis. These data might extend the understanding of regulatory mechanisms by which ropivacaine could suppress glioma development.
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Affiliation(s)
- Rong Liu
- Department of Anesthesiology, The 908th Hospital of Chinese PLA Logistical Support Force, No.4, Hudong Road, Yuehu District, Yingtan 335000, Jiangxi, China
| | - Min Wu
- Department of Anesthesiology, The 908th Hospital of Chinese PLA Logistical Support Force, No.4, Hudong Road, Yuehu District, Yingtan 335000, Jiangxi, China
| | - Guiju Xu
- Department of Anesthesiology, The 908th Hospital of Chinese PLA Logistical Support Force, No.4, Hudong Road, Yuehu District, Yingtan 335000, Jiangxi, China
| | - Lu Ju
- Department of Anesthesiology, The 908th Hospital of Chinese PLA Logistical Support Force, No.4, Hudong Road, Yuehu District, Yingtan 335000, Jiangxi, China
| | - Jinhui Xiao
- Department of Anesthesiology, The 908th Hospital of Chinese PLA Logistical Support Force, No.4, Hudong Road, Yuehu District, Yingtan 335000, Jiangxi, China
| | - Wei Zhong
- Department of Internal Medicine, Ruijin Hospital of traditional Chinese Medicine, Ruijin, Jiangxi, 342500, China
| | - Xiao He
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Gannan Medical University, No.128, Jinling Road, Golden Development Zone, Ganzhou, Jiangxi, 341000, China
| | - Yan Yang
- Department of Anesthesiology, Ruijin Maternal and Child Health Hospital, Ruijin, Jiangxi, 342500, China
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Bi LL, Hua XQ, Li WH, Wang L, Li Y, Jia XF. SNHG16 promotes cell proliferation and migration through sponging miR-132 in melanoma. J BIOL REG HOMEOS AG 2020; 34:1307-1316. [PMID: 32864914 DOI: 10.23812/20-172-a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Melanoma, which originates from the transformation of normal melanocytes, is one of the three main types of skin cancer. We aimed to explore the functions of SNHG16 and miR-132 in melanoma. CCK-8, Transwell assays were used to measure the viability and migration, respectively. Spearman's correlation analysis was performed to analyze the relationship between the expression of SNHG16, miR-132 and LAPTM4B in melanoma tissues. SNHG16 was overexpressed, and miR-132 was low expressed in melanoma tissues and cell lines. Moreover, overexpression of SNHG16 was associated with poor prognosis of melanoma patients. The expression of SNHG16 had a negative connection with the expression of miR-132, and it had a positive relationship with the expression of LAPTM4B in melanoma tissues. Knockdown of SNHG16 or overexpression of miR-132 inhibited SK-MEL-2 cell proliferation and migration. In addition, we confirmed that SNHG16 directly binding to miR-132 promotes the expression of LAPTM4B, facilitating the tumorigenesis of melanoma. SNHG16 promotes the expression of LAPTM4B by sponging miR-132, thereby acting as an oncogene in melanoma. This study demonstrated that the lncRNA-miRNA-mRNA signal cascade existed in melanoma, which may help elucidate the tumorigenesis and development mechanism of melanoma.
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Affiliation(s)
- L L Bi
- Department of Dermatology, Yeda Hospital of Yantai, Yantai. China
| | - X Q Hua
- Department of Clinical Laboratory, Jinan Zhangqiu District Hospital of TCM, Jinan, China
| | - W H Li
- No 2 Department of Oncology, Qingdao Central Hospital, Qingdao University, Qingdao, China
| | - L Wang
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Y Li
- Department of Interventional Angiology, the People's Hospital of Zhangqiu Area, Jinan, China
| | - X F Jia
- Department of Oncology, Jining No.1 People's Hospital, Affiliated Jining No. 1 People's Hospital of Jining Medical University, Jining Medical University, Jining, China
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Xiao Y, Xiao T, Ou W, Wu Z, Wu J, Tang J, Tian B, Zhou Y, Su M, Wang W. LncRNA SNHG16 as a potential biomarker and therapeutic target in human cancers. Biomark Res 2020; 8:41. [PMID: 32944244 PMCID: PMC7487997 DOI: 10.1186/s40364-020-00221-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [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: 06/17/2020] [Accepted: 08/26/2020] [Indexed: 01/27/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) represent an important class of RNAs comprising more than 200 nucleotides, which are produced by RNA polymerase II. Although lacking an open reading framework and protein-encoding activity, lncRNAs can mediate endogenous gene expression by serving as chromatin remodeler, transcriptional or post-transcriptional modulator, and splicing regulator during gene modification. In recent years, increasing evidence shows the significance of lncRNAs in many malignancies, with vital roles in tumorigenesis and cancer progression. Moreover, lncRNAs were also considered potential diagnostic and prognostic markers in cancer. The lncRNA small nuclear RNA host gene 16 (SNHG16), found on chromosome 17q25.1, represents a novel tumor-associated lncRNA. SNHG16 was recently found to exhibit dysregulated expression in a variety of malignancies. There are growing evidence of SNHG16's involvement in characteristics of cancer, including proliferation, apoptosis, together with its involvement in chemoresistance. In addition, SNHG16 has been described as a promising diagnostic and prognostic biomarker in cancer patients. The current review briefly summarizes recently reported findings about SNHG16 and discuss its expression, roles, mechanisms, and diagnostic and prognostic values in human cancers.
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Affiliation(s)
- Yuhang Xiao
- Thoracic Surgery Department 2, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013 PR China
- Department of Pharmacy, Xiangya Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410001 PR China
| | - Ta Xiao
- Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, Jiangsu 210042 China
| | - Wei Ou
- Department of Pharmacy, The First People’s Hospital of Yue Yang, Yue Yang, PR China
| | - Zhining Wu
- Thoracic Surgery Department 2, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013 PR China
| | - Jie Wu
- Thoracic Surgery Department 2, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013 PR China
| | - Jinming Tang
- Thoracic Surgery Department 2, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013 PR China
| | - Bo Tian
- Thoracic Surgery Department 2, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013 PR China
| | - Yong Zhou
- Thoracic Surgery Department 2, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013 PR China
| | - Min Su
- Thoracic Surgery Department 2, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013 PR China
- Hunan Key Laboratory of Translational Radiation Oncology, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Wenxiang Wang
- Thoracic Surgery Department 2, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013 PR China
- Hunan Key Laboratory of Translational Radiation Oncology, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
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Yang L, Lu Y, Ming J, Pan Y, Yu R, Wu Y, Wang T. SNHG16 accelerates the proliferation of primary cardiomyocytes by targeting miRNA-770-5p. Exp Ther Med 2020; 20:3221-3227. [PMID: 32855691 PMCID: PMC7444419 DOI: 10.3892/etm.2020.9083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 02/10/2020] [Accepted: 06/04/2020] [Indexed: 12/14/2022] Open
Abstract
The present study aimed to clarify the influence of long non-coding RNA small nuclear host gene 16 (lncRNA SNHG16) on cardiomyocyte proliferation following ischemia/reperfusion injury (IRI) and the potential mechanism. An IRI model in mice was established by performing ligation of the anterior descending coronary artery (LAD). Primary cardiomyocytes were isolated from newborn mice and subjected to H2O2 treatment to mimic in vitro IRI. Relative levels of SNHG16 and miRNA-770-5p in both in vivo and in vitro IRI models were examined. The regulatory effects of SNHG16 and miRNA-770-5p on the proliferative ability of H2O2-treated cardiomyocytes were assessed by Cell Counting Kit-8 (CCK-8) and 5-ethynyl-2'-deoxyuridine (EdU) assay. The binding relationship between SNHG16 and miRNA-770-5p was verified through dual-luciferase reporter gene assay. It is found that SNHG16 was time-dependently downregulated in the IRI models. Overexpression of SNHG16 enhanced the proliferative ability of the cardiomyocytes. miRNA-770-5p was found to be a direct target of SNHG16. Moreover, SNHG16 was able to negatively regulate the miRNA-770-5p level. Overexpression of miRNA-770-5p partially reversed the role of SNHG16 on accelerating cardiomyocyte proliferation. Collectively, SNHG16 accelerates the proliferative ability of cardiomyocytes following IRI by negatively regulating miRNA-770-5p.
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Affiliation(s)
- Linshan Yang
- Department of Cardiac Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Yan Lu
- Department of Otorhinolaryngology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Jie Ming
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Yuzhu Pan
- Department of Cardiac Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Renbin Yu
- Department of Cardiac Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Yuhui Wu
- Department of Cardiac Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Tao Wang
- Department of Cardiac Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
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Kong F, Yan Y, Deng J, Zhu Y, Li Y, Li H, Wang Y. LncRNA SNHG16 Promotes Proliferation, Migration, and Invasion of Glioma Cells Through Regulating the miR-490/ PCBP2 Axis. Cancer Biother Radiopharm 2020; 35:e814-e825. [PMID: 32716637 DOI: 10.1089/cbr.2019.3535] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background: Glioma is the most common tumor of the central nervous system, which has a high mortality and recurrence rate. Increasing evidence shows that long noncoding RNAs (lncRNA) are closely related to the occurrence of cancer. However, the mechanism of lncRNA small nucleolar RNA host gene 16 (SNHG16) in glioma remains to be studied. Materials and Methods: The expression levels of SNHG16, microRNA-490 (miR-490), and poly(C)-binding proteins 2 (PCBP2) in tissues and cells were determined by quantitative real-time polymerase chain reaction. 3-(4, 5-dimethyl-2 thiazolyl)-2, 5-diphenyl-2-H-tetrazolium bromide (MTT) and transwell assays were used to evaluate the proliferation, migration, and invasion abilities of glioma cells. Moreover, Western blot analysis was performed to assess the levels of PCBP2 and proliferation-related and metastasis-related proteins. Dual-luciferase reporter assay was used to verify the interaction among SNHG16, miR-490, and PCBP2. Results: SNHG16 was highly expressed in glioma tissues and cells, and silenced-SNHG16 suppressed the proliferation, migration, and invasion of glioma cells. Besides, SNHG16 could interact with miR-490. The aberrant expression of SNHG16 restored the inhibitory effect of miR-490 overexpression on the proliferation, migration, and invasion of glioma cells. Moreover, PCBP2 was a target of miR-490. MiR-490 inhibitor recovered the suppression effect of PCBP2 knockdown on glioma progression, and PCBP2 overexpression also could reverse the inhibition effect of miR-490 mimic on glioma progression. In addition, SNHG16 promoted the expression of PCBP2, while miR-490 inhibited its expression. Conclusions: The authors' data revealed that SNHG16 might function as an oncogene in glioma through regulating the miR-490/PCBP2 axis, and the elucidating of the mechanism of SNHG16 provided a potential therapeutic target for glioma.
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Affiliation(s)
- Fangen Kong
- Department of Neurosurgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Yang Yan
- Department of Neurosurgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Jinfeng Deng
- Department of Neurology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Yaoli Zhu
- Department of Critical Care Medicine, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Yingqin Li
- Department of Radiology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Huiqing Li
- Department of Neurology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Yiping Wang
- Department of Neurosurgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
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An ZW, Chen C, Wang CW, Zhu C, Chen FZ, Chen HZ, Zheng W. SNHG16 regulated cerebral ischemia/reperfusion injury via sponging miR-183. J BIOL REG HOMEOS AG 2020; 34:1535-1540. [PMID: 33222428 DOI: 10.23812/20-283-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Affiliation(s)
- Z W An
- Neurosurgery Department, Cangzhou Central Hospital, Cangzhou, Hebei Province, China
| | - C Chen
- Neurosurgery Department, Yanzhou Hospital, Affiliated Hospital of Jining Medical College, Jining, Shandong, China
| | - C W Wang
- Neurosurgery Department, Jining NO.1 People's Hospital, Jining, Shandong, China
| | - C Zhu
- Neurosurgery Department, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
| | - F Z Chen
- Neurosurgery Department, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
| | - H Z Chen
- Neurosurgery Department, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
| | - W Zheng
- Neurosurgery Department, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
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Xu Z, Sun Y, Wang D, Sun H, Liu X. SNHG16 promotes tumorigenesis and cisplatin resistance by regulating miR-338-3p/PLK4 pathway in neuroblastoma cells. Cancer Cell Int 2020; 20:236. [PMID: 32536824 DOI: 10.1186/s12935-020-01291-y] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [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: 01/08/2020] [Accepted: 05/23/2020] [Indexed: 02/07/2023] Open
Abstract
Background Long noncoding RNA small nucleolar RNA host gene 16 (lncRNA SNHG16) has been revealed to be involved in the tumorigenesis of neuroblastoma. However, the role of SNHG16 in regulating cisplatin sensitivity in neuroblastoma remains largely unknown. Methods The expression of SNHG16, microRNA (miR)-338-3p and polo-like kinase 4 (PLK4) mRNA was measured using quantitative real-time polymerase chain reaction. The protein levels of PLK4, multidrug resistance protein 1 (MRP1), multidrug-resistance gene 1-type p-glycoprotein (P-gp) and phosphoinositide 3-kinase (PI3K)/protein kinase B (AKT) pathway-related proteins were detected by Western blot. The half maximal inhibitory concentration (IC50) value, cell proliferation, migration and invasion were analyzed using Cell Counting Kit-8 assays or Transwell assay. Apoptotic cells were measured by Flow cytometry. The interaction between miR-338-3p and SNHG16 or PLK4 was confirmed by dual-luciferase reporter and RNA immunoprecipitation assay. In vivo experiments were conducted through the murine xenograft model. Results SNHG16 was up-regulated, while miR-338-3p was down-regulated in cisplatin-resistant neuroblastoma tissues and cells. SNHG16 silencing weakened cisplatin resistance, reflected by the reduction of IC50 value, down-regulation of MRP-1 and P-gp protein expression, suppression of proliferation, migration and invasion, as well as enhancement of apoptosis in SNHG16 deletion cisplatin-resistant neuroblastoma cells. Besides that, SNHG16 could regulate PLK4 expression by sponging miR-338-3p and SNHG16/miR-338-3p/PLK4 axis could affect the activation of PI3K/AKT pathway in cisplatin-resistant neuroblastoma cells. MiR-338-3p inhibition attenuated SNHG16 deletion-mediated impairment on cisplatin resistance and PLK4 overexpression reversed the decrease of cisplatin-resistance induced by miR-338-3p re-expression. Furthermore, SNHG16 knockdown contributed to the anti-tumor effect of cisplatin in neuroblastoma in vivo. Conclusion SNHG16 contributed to the tumorigenesis and cisplatin resistance in neuroblastoma possibly through miR-338-3p/PLK4 pathway, indicating a novel insight for overcoming chemoresistance in neuroblastoma patients.
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Wang X, Liu L, Zhao W, Li Q, Wang G, Li H. LncRNA SNHG16 Promotes the Progression of Laryngeal Squamous Cell Carcinoma by Mediating miR-877-5p/FOXP4 Axis. Onco Targets Ther 2020; 13:4569-4579. [PMID: 32547087 PMCID: PMC7251222 DOI: 10.2147/ott.s250752] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [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: 02/21/2020] [Accepted: 04/26/2020] [Indexed: 12/24/2022] Open
Abstract
Objective Laryngeal cancer is a common malignant tumor in the ENT, of which laryngeal squamous cell carcinoma (LSCC) accounts for more than 90% of laryngeal cancer. The purpose of this study is to investigate the regulatory mechanism of lncRNA SNHG16 in LSCC. Materials and Methods Real-time quantitative reverse transcription polymerase chain reaction (RT-qPCR) was used to measure mRNA expression. Cell Counting Kit (CCK-8), Transwell and luciferase reporter assays, flow cytometric analysis and Western blot analysis were used to investigate the function of lncRNA SNHG16 in LSCC. Results SNHG16 expression was increased in LSCC tissues and cells. The abnormal expression of SNHG16 was associated with clinical stage and lymph node metastasis in LSCC patients. In addition, knockdown of SNHG16 restrained cell proliferation, migration and invasion in LSCC. More importantly, SNHG16 acted as a competitive endogenous RNA in LSCC and regulated FOXP4 expression by making miR-877-5p sponge. Further, SNHG16 promoted LSCC progression by interacting with miR-877-5p and FOXP4. Conclusion LncRNA SNHG16 promotes the progression of LSCC by sponging miR-877-5p and upregulating FOXP4.
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Affiliation(s)
- Xiaoli Wang
- Department of Clinical Laboratory, Jinan City People's Hospital, Jinan People's Hospital Affiliated to Shandong First Medical University, Jinan 271199, People's Republic of China
| | - Liming Liu
- Department of Otorhinolaryngology, Juye County Hospital of TCM, Heze 274900, People's Republic of China
| | - Wenfei Zhao
- Department of Comprehensive Oncology Therapy, Qingdao Central Hospital, Qingdao University, Qingdao 266043, People's Republic of China
| | - Qingyan Li
- Department of Clinical Laboratory, The People's Hospital of Zhangqiu Area, Jinan 250200, People's Republic of China
| | - Guangsheng Wang
- Department of Neurology, The People's Hospital of Zhangqiu Area, Jinan 250200, People's Republic of China
| | - Huahui Li
- Department of Clinical Laboratory, Qingdao Municipal Hospital, Qingdao 266071, People's Republic of China
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He X, Ma J, Zhang M, Cui J, Yang H. Long Non-Coding RNA SNHG16 Activates USP22 Expression to Promote Colorectal Cancer Progression by Sponging miR-132-3p. Onco Targets Ther 2020; 13:4283-4294. [PMID: 32547062 PMCID: PMC7244243 DOI: 10.2147/ott.s244778] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [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: 01/04/2020] [Accepted: 04/21/2020] [Indexed: 12/24/2022] Open
Abstract
Background Colorectal cancer (CRC) is the most common cause of cancer-related mortality in the world. Long non-coding RNAs (lncRNAs) are involved in the development of many cancers. However, studies on the effect of lncRNA small nucleolar RNA host gene 16 (SNHG16) on the proliferation, metastasis and apoptosis of CRC are still few. Methods Quantitative real-time polymerase chain reaction (qRT-PCR) was performed to determine the expression levels of SNHG16, microRNA-132-3p (miR-132-3p) and ubiquitin specific peptidase 22 (USP22). The proliferation, apoptosis, migration and invasion of CRC cells were evaluated by the 3-(4,5-dimethyl-2 thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) assay, flow cytometry and transwell assay, respectively. Dual-luciferase reporter assay was used to verify the interactions among SNHG16, miR-132-3p and USP22. Also, Western blot analysis was used to assess the protein levels of USP22 and metastasis-related markers. Moreover, mice xenograft models were used to determine the effect of SNHG16 on CRC tumor growth in vivo. Results SNHG16 was highly expressed in CRC tissues and cells. Knockdown of SNHG16 reduced the proliferation, migration, invasion, and promoted the apoptosis of CRC cells. MiR-132-3p could interact with SNHG16, and its inhibitor recovered the suppression effect of silenced SNHG16 on CRC cell progression. Besides, USP22 was a target of miR-132-3p, and its overexpression restored the inhibition effect of miR-132-3p mimic on CRC cell progression. In addition, interference of SNHG16 reduced CRC tumor growth in vivo. Conclusion LncRNA SNHG16 might act as an oncogene in CRC. The discovery of the SNHG16/miR-132-3p/USP22 pathway provided new thinking for the treatment of CRC.
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Affiliation(s)
- Xiaowen He
- Department of General Surgery, Liu Zhou People's Hospital, Liuzhou, Guangxi 545006, People's Republic of China
| | - Jun Ma
- Department of General Surgery, Liu Zhou People's Hospital, Liuzhou, Guangxi 545006, People's Republic of China
| | - Mingming Zhang
- Department of General Surgery, Liu Zhou People's Hospital, Liuzhou, Guangxi 545006, People's Republic of China
| | - Jianhua Cui
- Department of General Surgery, Liu Zhou People's Hospital, Liuzhou, Guangxi 545006, People's Republic of China
| | - Hao Yang
- Department of General Surgery, Liu Zhou People's Hospital, Liuzhou, Guangxi 545006, People's Republic of China
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Wang D, Lin B, Zhang W, Wang X. Up-regulation of SNHG16 induced by CTCF accelerates cardiac hypertrophy by targeting miR-182-5p/IGF1 axis. Cell Biol Int 2020; 44:1426-1435. [PMID: 32125046 DOI: 10.1002/cbin.11333] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [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: 11/11/2019] [Accepted: 03/01/2020] [Indexed: 12/11/2022]
Abstract
Long non-coding RNA (lncRNA) SNHG16 has been reported to be significant regulators in multiple cancers. However, never has the relationship between it and cardiac hypertrophy been studied until now. In this study, angiotensin II (Ang II)-treated cardiomyocytes isolated from neonatal mice were used as a model of cardiac hypertrophy in vitro. Real-time quantitative polymerase chain reaction was performed to measure the expression of SNHG16, miR-182-5p, and insulin-like growth factor 1 (IGF1). The relationship between SNHG16 and its downstream genes were corroborated by RNA pull-down and luciferase reporter experiments. Western blot was conducted to detect the expression of markers of hypertrophy. The results disclosed that SNHG16 expression was in a high level in the cardiac hypertrophic model. Down-regulation of SNHG16 could decline the expression of hypertrophic markers and reduce cell surface area induced by Ang II. Moreover, SNHG16 was discovered to be activated by transcription factor CCCTC-binding factor. In addition, SNHG16 could enlarge cell surface area and increase the expression of hypertrophic markers by inhibiting miR-182-5p expression in Ang II-treated cardiomyocytes. Finally, overexpression of IGF1 could rescue the effects of silenced SNHG16 on cardiac hypertrophy cells. In brief, our study illustrated that silenced SNHG16 repressed Ang II-imposed cardiac hypertrophy via targeting miR-182-5p/IGF1 axis.
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Affiliation(s)
- Dong Wang
- VIP Ward, Affiliated Hospital of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi, 830000, Xinjiang, China
| | - Bin Lin
- Department of Critical Care Medicine, Affiliated Hospital of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi, 830000, Xinjiang, China
| | - Wen Zhang
- VIP Ward, Affiliated Hospital of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi, 830000, Xinjiang, China
| | - Xiaofeng Wang
- Department of Cardiovascular Medicine, Hospital of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi, 830000, Xinjiang, China
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Guan L, Li T, Jiang J. Bupivacaine-Induced Neurotoxicity Is Modulated by Epigenetic Axis of Long Noncoding RNA SNHG16 and Hsa-miR-132-3p. Neurotox Res 2020; 38:175-83. [PMID: 32335807 DOI: 10.1007/s12640-020-00202-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/24/2020] [Accepted: 04/03/2020] [Indexed: 12/16/2022]
Abstract
Clinical application of local anesthetic reagent, liposomal bupivacaine (BUP), may cause irreversible damage to human nerve system. In this study, we explored the functional role of long non-coding RNA (lncRNA) small nucleolar RNA host gene 16 (SNHG16) in BUP-induced neurotoxicity in SH-SY5Y cells. SH-SY5Y cells were treated with BUP in vitro, whose dose-dependent effects on cell viability and SNHG16 expression were explored. SNHG16 was upregulated in SH-SY5Y cells. The protection of SNHG16 upregulation on BUP-induced neurotoxicity was examined by viability assay, apoptosis assay, and caspase activity assay, respectively. The endogenously competing target of SNHG16, human mature microRNA-132-3p (hsa-miR-132-3p), was explored by dual-luciferase assay and quantitative real-time PCR (qRT-PCR). Hsa-miR-132-3p was then further overexpressed in SNHG16-upregulated SH-SY5Y cells to explore its functional role in BUP-induced neurotoxicity. BUP induced dose-dependent cell death and SNHG16 downregulation in SH-SY5Y cells. Inversely, lentivirus-mediated SNHG16 upregulation mitigated cell death. In addition, SNHG16 upregulation rescued BUP-induced apoptosis and caspase 3/7 augmentation. Hsa-miR-132-3p was found to be reversely expressed with SNHG16 in BUP-treated SH-SY5Y cells. Overexpressing hsa-miR-132-3p reduced the protection of SNHG16 on BUP-induced neurotoxicity. We demonstrated that epigenetic axis of SNHG16/hsa-miR-132-3p had a functional role in regulating anesthesia-induced neurotoxicity in human lineage neural cells.
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Jing Z, Ye X, Ma X, Hu X, Yang W, Shi J, Chen G, Gong L. SNGH16 regulates cell autophagy to promote Sorafenib Resistance through suppressing miR-23b-3p via sponging EGR1 in hepatocellular carcinoma. Cancer Med 2020; 9:4324-4338. [PMID: 32324343 PMCID: PMC7300419 DOI: 10.1002/cam4.3020] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [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: 09/20/2019] [Revised: 02/22/2020] [Accepted: 03/03/2020] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE Tumor cells could acquire drug resistance through cell autophagy. This study aimed to explore the role of SNHG16 in sorafenib-resistant HCC cells and its mechanism with miR-23b-3p. METHODS The sorafenib-resistant Hep3B cell model was established. The SNHG16 and miR-23b-3p gene expressions were determined in normal HCC and sorafenib-resistant HCC tissues. Detection of the expression of SNHG16 and miR-23b-3p and its respective correlation with survival rate were performed. Target genes to SNHG16 and miR-23b-3p were predicted, and verified by dual-fluorescent reporter assay. The effects of SNHG16 and miR-23b-3p on SNHG16, miR-23b-3p, EGR1 expression, viability, apoptosis as well as LC3II/LC3 expression in Hep3B and Hep3B/So cells were detected by qRT-PCR, CCK-8, flow cytometry, and western blot. In in vivo studies, the NOD/SCID mice model was established to explore the effects of Hep3B and Hep3B/So cells with inhibited SNHG16 or miR-23b-3p on tumor size, EGR1 expression, and autophagy. RESULTS High SNHG16 expression in HCC-resistant tissues and low miR-23b-3p expression in all HCC tissues were detected, and the two were negatively correlated. Low SNHG16 and high miR-23b-3p were related to a high survival rate of HCC patients. Moreover, SNHG16 overexpression promoted Hep3B/So cell viability and autophagy, suppressed apoptosis by inhibiting miR-23b-3p expression through up-regulating EGR1, however, the effect of si-SNHG16 was opposite. In in vivo studies, miR-23b-3p inhibitor suppressed the high sorafenib sensitivity in Hep3B/So cells caused by SNHG16 silencing through promoting viability, autophagy, and suppressing apoptosis. CONCLUSION SNHG16 promotes Hep3B/So cell viability, autophagy, and inhibits apoptosis to maintain its resistance to sorafenib through regulating the expression of miR-23b-3p via sponging EGR1.
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Affiliation(s)
- Zhao Jing
- Department of Radiation Oncology, Hangzhou Cancer Hospital, Hangzhou, China
| | - Xiaoping Ye
- Department of Liver Diseases, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Xiaojie Ma
- Department of Liver Diseases, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Xiangrong Hu
- Department of Pathology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Wenjun Yang
- Department of Pathology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Junping Shi
- Department of Liver Diseases, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Gongying Chen
- Department of Liver Diseases, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Ling Gong
- Department of Liver Diseases, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
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Shao M, Yu Z, Zou J. LncRNA- SNHG16 Silencing Inhibits Prostate Carcinoma Cell Growth, Downregulate GLUT1 Expression and Reduce Glucose Uptake. Cancer Manag Res 2020; 12:1751-1757. [PMID: 32210616 PMCID: PMC7071729 DOI: 10.2147/cmar.s231370] [Citation(s) in RCA: 8] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 01/10/2020] [Indexed: 01/05/2023] Open
Abstract
Background lncRNA-SNHG16 was identified as an oncogene in many cancers, but its involvement in prostate carcinoma is unknown. Material and Method Expression of lncRNA-SNHG16 and glucose transporter 1 (GLUT-1) in 52 prostate carcinoma tissues and 36 normal prostate tissues was analyzed by RT-qPCR. Transfections were performed to analyze gene interactions. Cell proliferation was analyzed by cell proliferation assay. Results Overexpression of lncRNA-SNHG16 effectively distinguished prostate carcinoma patients from normal ones. Expression levels of lncRNA-SNHG16 and GLUT-1 mRNA were significantly and positively correlated across prostate carcinoma tissues. In vitro cancer cell experiments revealed that lncRNA-SNHG16 siRNA silencing downregulated the expressions of GLUT-1 and reduced glucose uptake. lncRNA-SNHG16 siRNA silencing also significantly inhibited prostate carcinoma cell proliferation. However, lncRNA-SNHG16 siRNA silencing did not affect the normal prostate. Conclusion In conclusion, lncRNA-SNHG16 might be a possible treatment target for prostate cancer.
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Affiliation(s)
- Mingfeng Shao
- Department of Urology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei City, Anhui Province 230031, People's Republic of China
| | - Ziqiang Yu
- Department of Urology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei City, Anhui Province 230031, People's Republic of China
| | - Jianan Zou
- Department of Urology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei City, Anhui Province 230031, People's Republic of China
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Wang J, Cao Y, Lu X, Wang X, Kong X, Bo C, Li S, Bai M, Jiao Y, Gao H, Yao X, Ning S, Wang L, Zhang H. Identification of the Regulatory Role of lncRNA SNHG16 in Myasthenia Gravis by Constructing a Competing Endogenous RNA Network. Mol Ther Nucleic Acids 2020; 19:1123-1133. [PMID: 32059338 PMCID: PMC7016163 DOI: 10.1016/j.omtn.2020.01.005] [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] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 12/27/2019] [Accepted: 01/06/2020] [Indexed: 12/19/2022]
Abstract
Myasthenia gravis (MG) is an autoimmune disorder resulting from antibodies against the proteins at the neuromuscular junction. Emerging evidence indicates that long non-coding RNAs (lncRNAs), acting as competing endogenous RNAs (ceRNAs), are involved in various diseases. However, the regulatory mechanisms of ceRNAs underlying MG remain largely unknown. In this study, we constructed a lncRNA-mediated ceRNA network involved in MG using a multi-step computational strategy. Functional annotation analysis suggests that these lncRNAs may play crucial roles in the immunological mechanism underlying MG. Importantly, through manual literature mining, we found that lncRNA SNHG16 (small nucleolar RNA host gene 16), acting as a ceRNA, plays important roles in the immune processes. Further experiments showed that SNHG16 expression was upregulated in peripheral blood mononuclear cells (PBMCs) from MG patients compared to healthy controls. Luciferase reporter assays confirmed that SNHG16 is a target of the microRNA (miRNA) let-7c-5p. Subsequent experiments indicated that SNHG16 regulates the expression of the key MG gene interleukin (IL)-10 by sponging let-7c-5p in a ceRNA manner. Furthermore, functional assays showed that SNHG16 inhibits Jurkat cell apoptosis and promotes cell proliferation by sponging let-7c-5p. Our study will contribute to a deeper understanding of the regulatory mechanism of MG and will potentially provide new therapeutic targets for MG patients.
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Affiliation(s)
- Jianjian Wang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China
| | - Yuze Cao
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China; Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Xiaoyu Lu
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China
| | - Xiaolong Wang
- Department of Orthopedics, Harbin Medical University Cancer Hospital, Harbin 150000, China
| | - Xiaotong Kong
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China
| | - Chunrui Bo
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China
| | - Shuang Li
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China
| | - Ming Bai
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China
| | - Yang Jiao
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China
| | - Hongyu Gao
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China
| | - Xiuhua Yao
- Tianjin Neurosurgical Institute, Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Huanhu Hospital, Tianjin 300350, China
| | - Shangwei Ning
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China.
| | - Lihua Wang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China.
| | - Huixue Zhang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China.
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Yu L, Chen D, Song J. LncRNA SNHG16 promotes non-small cell lung cancer development through regulating EphA2 expression by sponging miR-520a-3p. Thorac Cancer 2020; 11:603-611. [PMID: 31953899 PMCID: PMC7049505 DOI: 10.1111/1759-7714.13304] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [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: 10/31/2019] [Revised: 12/18/2019] [Accepted: 12/22/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Recent evidence has found that lncRNA small nucleolar RNA host gene 16 (SNHG16) was associated with cell carcinogenesis in NSCLC. Here, we further investigated the precise functions and mechanisms of SNHG16 in NSCLC progression. METHODS The expression of SNHG16, microRNA (miR)-520a-3p and EPH Receptor A2 (EphA2) was measured using quantitative real-time polymerase chain reaction and western blot, respectively. Cell proliferation was determined using 3-(4, 5)-dimethylthiahiazo (-z-y1)-3, 5-di-phenytetrazoliumromide (MTT) assay. The migrated and invaded cells were measured by Transwell assay. Flow cytometry was used to detect apoptotic cells. The interaction between miR-520a-3p and SNHG16 or EphA2 was confirmed using a dual-luciferase reporter assay. RESULTS We found that SNHG16 was upregulated in NSCLC tissues and cell lines, knockdown of SNHG16 inhibited cell proliferation, migration, invasion and induced apoptosis in vitro as well as suppressed tumor growth in vivo. MiR-520a-3p directly bound to SNHG16 and miR-520a-3p, and SNHG16 acted as a ceRNA in regulating EphA2 through competitively binding to miR-520a-3p. Additionally, rescue assay exhibited the anticancer activity mediated by SNHG16 knockdown on NSCLC could be reversed by miR-520a-3p inhibition or EphA2 overexpression. CONCLUSION SNHG16 promoted NSCLC development by regulating the miR-520a-3p/EphA2 axis, suggesting novel insights for the pathogenesis of NSCLC and new potential therapeutic targets for the treatment of NSCLC. KEY POINTS Knockdown of SNHG16 inhibited NSCLC cell proliferation, migration, invasion and induced apoptosis in vitro as well as suppressed tumor growth in vivo. SNHG16 directly interacted with miR-520a-3p. EphA2 was a target of miR-520a-3p. SNHG16 could regulate the expression of EphA2 by binding to miR-520a-3p. SNHG16 promoted NSCLC development by regulating the miR-520a-3p/EphA2 axis.
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Affiliation(s)
- Lin Yu
- Department of Thoracic Surgery, Dalian University Affiliated Xinhua Hospital, Dalian, China
| | - Dewen Chen
- Department of Respiratory Medicine, ZaoZhuang Mining Group Central Hospital, Zaozhuang, China
| | - Jie Song
- Department of Respiratory Medicine, Yantai Yuhuangding Hospital, Yantai, China
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Wen Y, Gong X, Dong Y, Tang C. Long Non Coding RNA SNHG16 Facilitates Proliferation, Migration, Invasion and Autophagy of Neuroblastoma Cells via Sponging miR-542-3p and Upregulating ATG5 Expression. Onco Targets Ther 2020; 13:263-275. [PMID: 32021273 PMCID: PMC6959506 DOI: 10.2147/ott.s226915] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 12/02/2019] [Indexed: 12/17/2022] Open
Abstract
Background Neuroblastoma (NB) is a heterogeneous pediatric malignant tumor with many biological and clinical characteristics. Long non-coding RNA small nucleolar RNA host gene 16 (SNHG16) plays vital role in the development of NB. However, the potential mechanism of SNHG16 in the progression of NB is rarely reported. Methods The expression levels of SNHG16, miR-542-3p and autophagy-related gene 5 (ATG5) were measured with quantitative real-time polymerase chain reaction (qRT-PCR). The proliferation, migration and invasion of NB cells were determined using 3-(4, 5-dimethylthiazol-2-YI)-2, 5-diphenyltetrazolium bromide (MTT) or transwell assay. Protein levels of ATG5, microtubule-associated protein A1/1B-light chain3 (LC3-I/II) and p62 were detected by Western blot analysis. The interaction between miR-542-3p and SNHG16 or ATG5 was predicted by starBase and confirmed by dual luciferase reporter assay. Xenograft mice models were constructed to confirm the role of SNHG16 in vivo. Results SNHG16 was upregulated in NB tissues and cells and associated with clinical stage and poor prognosis of NB. Knockdown of SNHG16 impeded proliferation, migration, invasion and autophagy of NB cells in vitro, and suppressed tumor growth in vivo. Interestingly, SNHG16 mediated ATG5 expression through sponging miR-542-3p in NB cells. Moreover, miR-542-3p downregulation reversed the inhibitory effects of SNHG16 silencing on proliferation, migration, invasion and autophagy of NB cells. Besides, ATG5 overturned the regulatory effects on proliferation, migration, invasion and autophagy of NB cells induced by SNHG16 or miR-542-3p knockdown. Conclusion SNHG16 facilitated proliferation, migration, invasion and autophagy of NB cells via sponging miR-542-3p and upregulating ATG5 expression in NB.
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Affiliation(s)
- Yi Wen
- Neonatal Pediatrics, Central Hospital of Zhoukou City, Zhoukou, Henan, People's Republic of China
| | - Xiaohui Gong
- Neonatal Pediatrics, Shanghai Children's Hospital, Shanghai, People's Republic of China
| | - Yubin Dong
- Neonatal Pediatrics, Central Hospital of Zhoukou City, Zhoukou, Henan, People's Republic of China
| | - Chenghe Tang
- Neonatal Pediatrics, First Affiliated Hospital of Xinxiang Medical College, Xinxiang, Henan, People's Republic of China
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Bao J, Zhang S, Meng Q, Qin T. SNHG16 Silencing Inhibits Neuroblastoma Progression by Downregulating HOXA7 via Sponging miR-128-3p. Neurochem Res 2020; 45:825-836. [PMID: 31919621 DOI: 10.1007/s11064-020-02955-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [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: 09/24/2019] [Revised: 12/29/2019] [Accepted: 01/03/2020] [Indexed: 12/15/2022]
Abstract
Neuroblastoma (NB) is a common intracranial solid tumor with high mortality. Small nucleolar RNA host gene 16 (SNHG16), one of the long noncoding RNAs (lncRNAs), has been reported to be linked to the poor prognosis of NB. However, the mechanisms of SNHG16 in regulating NB progression remain poorly understood. The expression level of SNHG16 was measured by quantitative real time polymerase chain reaction (qRT-PCR). The starBase was employed to predict the interaction of miR-128-3p and SNHG16 or HOXA7, which was verified by dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay. Cell proliferation and apoptosis were assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and flow cytometry, respectively. Transwell assay was used to detect cell invasion or migration. The mRNA and protein levels of homeobox protein A7 (HOXA7) were determined by qRT-PCR and western blot, respectively. The levels of SNHG16 and HOXA7 were conspicuously increased in NB tissues and cells, while the expression of miR-128-3p was obviously declined, compared with corresponding normal tissues and cells. SNHG16 silencing inhibited proliferation, migration and invasion and induced apoptosis of NB cells. We identified that SNHG16 directly interacted with miR-128-3p, and miR-128-3p could target the 3'UTR of HOXA7 in NB cells. Simultaneously, miR-128-3p expression was negatively associated with SNHG16 or HOXA7. Further studies indicated that SNHG16 overexpression rescued the effects of miR-128-3p-mediated on inhibiting proliferation, migration, invasion and promoting apoptosis of NB cells. Moreover, SNHG16 could modulate HOXA7 by sponging miR-128-3p in NB cells. Besides, SNHG16 silencing suppressed tumor growth in vivo. Knockdown of SNHG16 impeded proliferation, migration, invasion and induced apoptosis through the SNHG16/miR-128-3p/HOXA7 axis in NB cells.
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Affiliation(s)
- Juntao Bao
- Department of Pediatric Surgery, People's Hospital of Zhengzhou University (Henan Provincial People's Hospital), Zhengzhou, 450003, Henan, China
| | - Shufeng Zhang
- Department of Pediatric Surgery, People's Hospital of Zhengzhou University (Henan Provincial People's Hospital), Zhengzhou, 450003, Henan, China
| | - Qinglei Meng
- Department of Pediatric Surgery, People's Hospital of Zhengzhou University (Henan Provincial People's Hospital), Zhengzhou, 450003, Henan, China
| | - Tao Qin
- Department of Hepatobiliary Surgery, People's Hospital of Zhengzhou University (Henan Provincial People's Hospital), No. 7 Weiwu Road, Zhengzhou, 450003, Henan, China.
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Abstract
Long noncoding RNAs (lncRNAs) have recently been considered as central regulators in diverse biological processes controlling tumorigenesis. Small nucleolar RNA host gene 16 (SNHG16) is an important tumor-associated lncRNA mainly involved in tumorigenesis and progression by competing with endogenous RNA (ceRNA) which sponges tumor-suppressive microRNA (miRNA), and by its recruitment mechanism. SNHG16 is overexpressed in tumor tissues and cell lines of different kinds of cancers, and its presence is associated with a poor clinical prognosis. Reviewing all publications about SNHG16 revealed that it plays a key role in the different hallmarks that define human cancer, including promoting proliferation, activating migration and invasion, inhibiting apoptosis, affecting lipid metabolism and chemoresistance. This review highlights the role that the aberrant expression of SNHG16 plays in the development and progression of cancer, and suggests that SNHG16 may function as a potential biomarker and therapeutic target for human cancers.
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Affiliation(s)
- Ming Yang
- Beijing Tongren Eye Center, Beijing Key Laboratory of Intraocular Tumor Diagnosis and Treatment, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing Tongren Hospital, Capital Medical University, Beijing100730, People’s Republic of China
| | - Wenbin Wei
- Beijing Tongren Eye Center, Beijing Key Laboratory of Intraocular Tumor Diagnosis and Treatment, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing Tongren Hospital, Capital Medical University, Beijing100730, People’s Republic of China
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Gong CY, Tang R, Nan W, Zhou KS, Zhang HH. Role of SNHG16 in human cancer. Clin Chim Acta 2020; 503:175-80. [PMID: 31901482 DOI: 10.1016/j.cca.2019.12.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 12/27/2019] [Accepted: 12/30/2019] [Indexed: 01/27/2023]
Abstract
A growing body of evidence suggests that long non-coding RNAs (lncRNAs), a novel class of non-coding endogenous single-stranded RNA, play a key role in multiple physiological and pathological processes through transcriptional interference, post-transcriptional regulation, and epigenetic modification. Furthermore, many studies have shown that lncRNAs-as oncogenes or tumour suppressors-play an important role in the occurrence and development of human cancers. Small nucleolar RNA host gene 16 (SNHG16) was initially identified as an oncogenic lncRNA in neuroblastoma, and has since been identified as a carcinogenic regulator of various malignant tumours. Overexpression of SNHG16 is associated with clinical and pathological characteristics of cancer patients, and regulates cell proliferation, apoptosis, invasion and metastasis through a variety of potential mechanisms. Therefore, SNHG16 may be a promising biomarker and therapeutic target for cancers. In this review, we summarize the biological function, related mechanisms and potential clinical significance of SNHG16 in multiple human cancers.
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Tao L, Wang X, Zhou Q. Long noncoding RNA SNHG16 promotes the tumorigenicity of cervical cancer cells by recruiting transcriptional factor SPI1 to upregulate PARP9. Cell Biol Int 2019; 44:773-784. [PMID: 31774223 DOI: 10.1002/cbin.11272] [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: 07/03/2019] [Accepted: 11/25/2019] [Indexed: 12/12/2022]
Abstract
Long noncoding RNA (lncRNA) small nucleolar RNA host gene 16 (SNHG16) has been linked to multiple cancers including breast, ovarian, bladder, and colorectal cancer. However, the role of SNHG16 in cervical cancer is unclear. Here, quantitative analysis of SNHG16 and PARP9 expression levels in cervical cancer tissues and cell lines indicated that both SNHG16 and PARP9 were highly expressed compared with controls. Using the dual-luciferase reporter gene assay, RNA immunoprecipitation, chromatin immunoprecipitation, we were able to determine that SNHG16 recruited SPI1 protein to promote transcription of PARP9 to upregulate its transcription in cervical cancer cells. After ectopic expression and knockdown experiments were conducted, it was observed that silencing SNHG16 inhibited PARP9 expression, proliferation, and invasion of cervical cancer cells, which was rescued by co-transfection of SNHG16 silencing and PARP9 overexpression. Moreover, in vivo experimental results showed that silencing SNHG16 reduced the expression of PARP9 and suppressed tumor growth. These data indicate that SNHG16 recruits SPI1 to upregulate PARP9, which promotes the tumorigenicity of cervical cancer cells. The regulation of their expression might provide a new direction for treating cervical cancer.
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Affiliation(s)
- Ling Tao
- Four Department of Gynecology, The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, 830011, P.R. China
| | - Xiyan Wang
- The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, 830011, P.R. China
| | - Qi Zhou
- Four Department of Gynecology, The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, 830011, P.R. China
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Zhang J, Mao F, Zhao G, Wang H, Yan X, Zhang Q. Long non-coding RNA SNHG16 promotes lipopolysaccharides-induced acute pneumonia in A549 cells via targeting miR-370-3p/IGF2 axis. Int Immunopharmacol 2019; 78:106065. [PMID: 31841752 DOI: 10.1016/j.intimp.2019.106065] [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: 08/20/2019] [Revised: 10/23/2019] [Accepted: 11/17/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND Pneumonia is an infectious lung inflammation in children with high mortality and morbidity rates. Small nucleolar RNA host gene 16 (SNHG16) has been verified to accelerate the progression of acute pneumonia. However, the role of SNHG16 in acute pneumonia has not yet been fully elucidated. The study was aimed to explore the regulatory mechanism of SNHG16 in LPS-induced acute pneumonia in A549 cells. METHODS The levels of SNHG16, miR-370-3p and IGF2 in serum samples and LPS-induced A549 cells were detected by quantitative real-time polymerase chain reaction (qRT-PCR). The cell viability and apoptosis of A549 cells were examined by Cell Counting Kit-8 (CCK-8) assay and flow cytometer, respectively. The levels of interleukin 1β (IL-1β), interleukin 6 (IL-6) and tumor necrosis factor α (TNF-α) were determined by enzyme-linked immunosorbent assay (ELISA). The binding relationships among SNHG16, miR-370-3p and IGF2 were predicted by online database and verified by Dual-luciferase reporter and RNA immunoprecipitation (RIP) assays. The protein levels of IGF2 were tested by Western blot. RESULTS SNHG16 and IGF2 were upregulated while miR-370-3p was downregulated in serum of acute pneumonia patients and LPS-induced A549 cells. SNHG16 regulated proliferation, apoptosis and inflammatory cytokines by inhibiting miR-370-3p in LPS-induced A549 cells. MiR-370-3p targeted IGF2 and inhibited LPS-induced inflammatory injury via IGF2 in A549 cells. Furthermore, SNHG16 was verified to promote IGF2 expression by sponging miR-370-3p in A549 cells. CONCLUSION SNHG16 impeded cell viability and promoted apoptosis, inflammatory injury by targeting IGF2 mediated by miR-370-3p in LPS-induced A549 cells.
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Affiliation(s)
- Ju Zhang
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Fengxia Mao
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Gai Zhao
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Haixia Wang
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Xiaomin Yan
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Qian Zhang
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China.
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Sun G, Su G, Liu F, Han W. NRAS Contributes to Retinoblastoma Progression Through SNHG16/miR-183-5p/NRAS Regulatory Network. Onco Targets Ther 2019; 12:10703-10715. [PMID: 31827328 PMCID: PMC6902855 DOI: 10.2147/ott.s232470] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [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: 09/25/2019] [Accepted: 11/21/2019] [Indexed: 12/16/2022] Open
Abstract
Purpose The oncogene of wild type neuroblastoma RAS viral oncogene homolog (NRAS) has been found to involve in the tumorigenesis of cancers. However, the role of NRAS in retinoblastoma (RB) progression remains largely unknown. Methods The expression levels of NRAS, miR-183-5p and small nucleolar RNA host gene 16 (SNHG16) were measured using quantitative real-time polymerase chain reaction assay or Western blot assay, respectively. Cell proliferation and apoptosis were analyzed with 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay or flow cytometry, respectively. Transwell assay was used to determine cell migration and invasion abilities. The interaction between miR-183-5p and NRAS or SNHG16 was analyzed using bioinformatics analysis and dual-luciferase reporter assay. Results NRAS was elevated in RB tissues and cell lines, knockdown of NRAS could inhibit proliferation, migration and invasion but induced apoptosis in vitro and suppressed tumor growth in vivo. NRAS was confirmed to be a target of miR-183-5p and was negatively regulated by miR-183-5p in RB cells. Moreover, overexpressed NRAS reversed miR-183-5p mediated inhibition on RB cell progression. Besides that, SNHG16 directly interacted with miR-183-5p and reduced miR-183-5p expression in RB cells. The suppression of RB cell progression induced by SNHG16 silencing could be partially attenuated by the inhibition of miR-183-5p. Besides that, SNHG16 could regulate NRAS expression through competitively binding to miR-183-5p in RB cells. Conclusion NRAS functioned as an oncogene to contribute to RB progression by SNHG16/miR-183-5p/NRAS regulatory network, indicating a novel and promising therapeutic target for RB.
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Affiliation(s)
- Guangli Sun
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Henan, People's Republic of China
| | - Gang Su
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Henan, People's Republic of China
| | - Fang Liu
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Henan, People's Republic of China
| | - Wenjie Han
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Henan, People's Republic of China
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