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Jalali P, Samii A, Rezaee M, Shahmoradi A, Pashizeh F, Salehi Z. UBE2C: A pan-cancer diagnostic and prognostic biomarker revealed through bioinformatics analysis. Cancer Rep (Hoboken) 2024; 7:e2032. [PMID: 38577722 PMCID: PMC10995712 DOI: 10.1002/cnr2.2032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 02/03/2024] [Accepted: 02/22/2024] [Indexed: 04/06/2024] Open
Abstract
BACKGROUND The diverse and complex attributes of cancer have made it a daunting challenge to overcome globally and remains to endanger human life. Detection of critical cancer-related gene alterations in solid tumor samples better defines patient diagnosis and prognosis, and indicates what targeted therapies must be administered to improve cancer patients' outcome. MATERIALS AND METHODS To identify genes that have aberrant expression across different cancer types, differential expressed genes were detected within the TCGA datasets. Subsequently, the DEGs common to all pan cancers were determined. Furthermore, various methods were employed to gain genetic alterations, co-expression genes network and protein-protein interaction (PPI) network, pathway enrichment analysis of common genes. Finally, the gene regulatory network was constructed. RESULTS Intersectional analysis identified UBE2C as a common DEG between all 28 types of studied cancers. Upregulated UBE2C expression was significantly correlated with OS and DFS of 10 and 9 types of cancer patients. Also, UBE2C can be a diagnostic factor in CESC, CHOL, GBM, and UCS with AUC = 100% and diagnose 19 cancer types with AUC ≥90%. A ceRNA network constructed including UBE2C, 41 TFs, 10 shared miRNAs, and 21 circRNAs and 128 lncRNAs. CONCLUSION In summary, UBE2C can be a theranostic gene, which may serve as a reliable biomarker in diagnosing cancers, improving treatment responses and increasing the overall survival of cancer patients and can be a promising gene to be target by cancer drugs in the future.
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Affiliation(s)
- Pooya Jalali
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Centre, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical SciencesTehranIran
| | - Amir Samii
- Department of Hematology and Blood TransfusionSchool of Allied Medical Sciences, Iran University of Medical SciencesTehranIran
| | - Malihe Rezaee
- Department of PharmacologySchool of Medicine, Shahid Beheshti University of Medical SciencesTehranIran
| | - Arvin Shahmoradi
- Department of Laboratory MedicineFaculty of Paramedical, Kurdistan University of Medical SciencesSanandajIran
| | - Fatemeh Pashizeh
- Department of Clinical ImmunologyShahid Sadoughi University of Medical SciencesYazdIran
| | - Zahra Salehi
- Hematology, Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical SciencesTehranIran
- Research Institute for Oncology, Hematology and Cell Therapy, Tehran University of Medical SciencesTehranIran
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Li F, Yu H, Qi A, Zhang T, Huo Y, Tu Q, Qi C, Wu H, Wang X, Zhou J, Hu L, Ouyang H, Pang D, Xie Z. Regulatory Non-Coding RNAs during Porcine Viral Infections: Potential Targets for Antiviral Therapy. Viruses 2024; 16:118. [PMID: 38257818 PMCID: PMC10818342 DOI: 10.3390/v16010118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/07/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
Pigs play important roles in agriculture and bio-medicine; however, porcine viral infections have caused huge losses to the pig industry and severely affected the animal welfare and social public safety. During viral infections, many non-coding RNAs are induced or repressed by viruses and regulate viral infection. Many viruses have, therefore, developed a number of mechanisms that use ncRNAs to evade the host immune system. Understanding how ncRNAs regulate host immunity during porcine viral infections is critical for the development of antiviral therapies. In this review, we provide a summary of the classification, production and function of ncRNAs involved in regulating porcine viral infections. Additionally, we outline pathways and modes of action by which ncRNAs regulate viral infections and highlight the therapeutic potential of artificial microRNA. Our hope is that this information will aid in the development of antiviral therapies based on ncRNAs for the pig industry.
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Affiliation(s)
- Feng Li
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Hao Yu
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Aosi Qi
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Tianyi Zhang
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Yuran Huo
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Qiuse Tu
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Chunyun Qi
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Heyong Wu
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Xi Wang
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Jian Zhou
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Lanxin Hu
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
| | - Hongsheng Ouyang
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
- Chongqing Research Institute, Jilin University, Chongqing 401120, China
- Chongqing Jitang Biotechnology Research Institute Co., Ltd., Chongqing 401120, China
| | - Daxin Pang
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
- Chongqing Research Institute, Jilin University, Chongqing 401120, China
- Chongqing Jitang Biotechnology Research Institute Co., Ltd., Chongqing 401120, China
| | - Zicong Xie
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Animal Sciences, Jilin University, Changchun 130062, China; (F.L.); (H.Y.); (A.Q.); (T.Z.); (Y.H.); (Q.T.); (C.Q.); (H.W.); (X.W.); (J.Z.); (L.H.); (H.O.)
- Chongqing Research Institute, Jilin University, Chongqing 401120, China
- Chongqing Jitang Biotechnology Research Institute Co., Ltd., Chongqing 401120, China
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3
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Wang J, Tao Y, Zhao F, Liu T, Shen X, Zhou L. Expression of urinary exosomal miRNA-615-3p and miRNA-3147 in diabetic kidney disease and their association with inflammation and fibrosis. Ren Fail 2023; 45:2121929. [PMID: 36695327 PMCID: PMC9879181 DOI: 10.1080/0886022x.2022.2121929] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Diabetic kidney disease (DKD) is one of the most common chronic complications of type 2 diabetes mellitus (T2DM), and it is particularly important to identify a high-quality method for evaluating disease progression. Urinary exosomes contain microRNA that might promise early diagnostic and monitoring markers of DKD. The present study aimed to identify novel exosome-related markers associated with inflammation and fibrosis to assess the progression of DKD. METHOD Exosomes were extracted from the urine of 83 participants to determine the expression levels of miRNA-615-3p and miRNA-3147 in 20 healthy people, 21 patients with T2DM and 42 patients with DKD, as determined by RT-qPCR. The circulating expression level of TGF-β1 was detected by ELISA. Serum Cystatin C was measured by a latex-enhanced immunoturbidimetric method. The correlation analyses were performed for all clinical and laboratory parameters. RESULT The expression level of urinary exosomal miRNA-615-3p in DKD patients was significantly higher than that in the control group and the T2DM group by RT-qPCR. The expression of miRNA-3147 showed an upward trend in the three groups of subjects, but it was not statistically significant. The urinary exosomal miRNA-615-3p was positively correlated with serum Cystatin C, plasma TGF-β1, creatinine, BUN, PCR and 24-h urine protein, and negatively correlated with eGFR and albumin. The diagnostic efficacy of urinary exosomal miRNA-615-3p combined with the ACR was higher than that of ACR alone. CONCLUSIONS Urinary exosomal miRNA-615-3p may be used as a novel biomarker for evaluating the progression of DKD, and may be involved in the process of inflammation and fibrosis in DKD. The combined diagnosis of urinary exosomal miRNA-615-3p and ACR may be used as more stable and sensitive diagnostic criteria for DKD.
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Affiliation(s)
- Jiaxin Wang
- Department of Nephrology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yiying Tao
- Department of Nephrology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Fan Zhao
- Department of Nephrology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Tong Liu
- Department of Nephrology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiahong Shen
- Department of Nephrology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Ling Zhou
- Department of Nephrology, The First Affiliated Hospital of Soochow University, Suzhou, China,CONTACT Ling Zhou Department of Nephrology, The First Affiliated Hospital of Soochow University, 889 Pinghai Rd, Suzhou, 215000, People’s Republic of China
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Lin H, Chu J, Yuan D, Wang K, Chen F, Liu X. MiR-206 may regulate mitochondrial ROS contribute to the progression of Myocardial infarction via TREM1. BMC Cardiovasc Disord 2023; 23:470. [PMID: 37730550 PMCID: PMC10512505 DOI: 10.1186/s12872-023-03481-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 08/29/2023] [Indexed: 09/22/2023] Open
Abstract
Myocardial infarction (MI) is a leading cause of mortality. To better understand its molecular and cellular mechanisms, we used bioinformatic tools and molecular experiments to explore the pathogenesis and prognostic markers. Differential gene expression analysis was conducted using GSE60993 and GSE66360 datasets. Hub genes were identified through pathway enrichment analysis and PPI network construction, and four hub genes (AQP9, MMP9, FPR1, and TREM1) were evaluated for their predictive performance using AUC and qRT-PCR. miR-206 was identified as a potential regulator of TREM1. Finally, miR-206 was found to induce EC senescence and ER stress through upregulating mitochondrial ROS levels via TREM1. These findings may contribute to understanding the pathogenesis of MI and identifying potential prognostic markers.
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Affiliation(s)
- Hao Lin
- Department of Cardiology, Tongji Hospital, School of Medicine, Tongji University, No.389, Xincun Road, Shanghai, 200092, Putuo District, China
| | - Jiapeng Chu
- Department of Cardiology, Tongji Hospital, School of Medicine, Tongji University, No.389, Xincun Road, Shanghai, 200092, Putuo District, China
| | - Deqiang Yuan
- Department of Cardiology, Tongji Hospital, School of Medicine, Tongji University, No.389, Xincun Road, Shanghai, 200092, Putuo District, China
| | - Kangwei Wang
- Department of Cardiology, Tongji Hospital, School of Medicine, Tongji University, No.389, Xincun Road, Shanghai, 200092, Putuo District, China
| | - Fei Chen
- Department of Cardiology, Tongji Hospital, School of Medicine, Tongji University, No.389, Xincun Road, Shanghai, 200092, Putuo District, China.
| | - Xuebo Liu
- Department of Cardiology, Tongji Hospital, School of Medicine, Tongji University, No.389, Xincun Road, Shanghai, 200092, Putuo District, China.
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Scalia P, Williams SJ, Fujita-Yamaguchi Y. Human IGF2 Gene Epigenetic and Transcriptional Regulation: At the Core of Developmental Growth and Tumorigenic Behavior. Biomedicines 2023; 11:1655. [PMID: 37371750 DOI: 10.3390/biomedicines11061655] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/02/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Regulation of the human IGF2 gene displays multiple layers of control, which secures a genetically and epigenetically predetermined gene expression pattern throughout embryonal growth and postnatal life. These predominantly nuclear regulatory mechanisms converge on the function of the IGF2-H19 gene cluster on Chromosome 11 and ultimately affect IGF2 gene expression. Deregulation of such control checkpoints leads to the enhancement of IGF2 gene transcription and/or transcript stabilization, ultimately leading to IGF-II peptide overproduction. This type of anomaly is responsible for the effects observed in terms of both abnormal fetal growth and increased cell proliferation, typically observed in pediatric overgrowth syndromes and cancer. We performed a review of relevant experimental work on the mechanisms affecting the human IGF2 gene at the epigenetic, transcriptional and transcript regulatory levels. The result of our work, indeed, provides a wider and diversified scenario for IGF2 gene activation than previously envisioned by shedding new light on its extended regulation. Overall, we focused on the functional integration between the epigenetic and genetic machinery driving its overexpression in overgrowth syndromes and malignancy, independently of the underlying presence of loss of imprinting (LOI). The molecular landscape provided at last strengthens the role of IGF2 in cancer initiation, progression and malignant phenotype maintenance. Finally, this review suggests potential actionable targets for IGF2 gene- and regulatory protein target-degradation therapies.
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Key Words
- (IGF2/H19) IG-DMR, intergenic differentially methylated region
- BWS, Beckwith–Wiedemann syndrome
- CCD, centrally conserved domain
- CNV, copy number variation
- CTCF, CCCTC binding factor
- DMD, differentially methylated domain
- DMR, differentially methylated region
- GOM, gain of methylation
- ICR1, imprinting control region 1
- IGF-II, insulin-like growth factor-2 peptide
- IGF2, insulin-like growth factor 2 gene
- LOI, loss of imprinting
- LOM, loss of methylation
- MOI, maintenance of imprinting
- SRS, Silver Russel Syndrome
- TF: transcription factor
- UPD, uniparental disomy
- WT1, Wilms Tumor protein 1
- mRNA transcript
- p0–p4: IGF2 promoters 0–4
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Affiliation(s)
- Pierluigi Scalia
- ISOPROG-Somatolink EPFP Research Network, Philadelphia, PA 19102, USA, and 93100 Caltanissetta, Italy
- Sbarro Cancer Institute for Cancer Research and Molecular Medicine, CST, Biology Department, Temple University, Philadelphia, PA 19122, USA
| | - Stephen J Williams
- ISOPROG-Somatolink EPFP Research Network, Philadelphia, PA 19102, USA, and 93100 Caltanissetta, Italy
- Sbarro Cancer Institute for Cancer Research and Molecular Medicine, CST, Biology Department, Temple University, Philadelphia, PA 19122, USA
| | - Yoko Fujita-Yamaguchi
- Arthur Riggs Diabetes & Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
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Han B, Liu Y, Zhang Q, Liang L. Propofol decreases cisplatin resistance of non-small cell lung cancer by inducing GPX4-mediated ferroptosis through the miR-744-5p/miR-615-3p axis. J Proteomics 2023; 274:104777. [PMID: 36427803 DOI: 10.1016/j.jprot.2022.104777] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 11/01/2022] [Accepted: 11/17/2022] [Indexed: 11/23/2022]
Abstract
Non-small cell lung cancer (NSCLC) is associated with high morbidity and mortality. Propofol functions as a tumor-inhibitor drug by regulating microRNAs (miRNAs). The primary objective of this study is to explore the functional mechanism of propofol in cisplatin (Cis) resistance of NSCLC cells by regulating the miR-744-5p/miR-615-3p axis. Cis-resistant NSCLC cell lines were cultured and chemotherapy-resistance (CR) to Cis of NSCLC cells to Cis was confirmed using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide method, flow cytometry, and colony formation assay. Ferroptosis was evaluated by measurement of iron content, ferroptosis-related proteins (GPX4/ ACSL4/SLC7A11) and lipid peroxidation (SOD/GSH/MDA) through Western blot analysis and assay kits. After the dual-luciferase reporter assay to testify gene interactions, the functional rescue experiments and nude mouse tumor formation assay were performed. Based on results, propofol reduced IC50 value and CR of NSCLC cells to Cis and induced ferroptosis. Propofol upregulated miR-744-5p/miR-615-3p to inhibit GPX4 transcription. Upregulation of GPX4 or downregulation of miR-744-5p/miR-615-3p attenuated the inhibitory effect of propofol on CR to Cis. In vivo, propofol inhibited tumor growth and CR to Cis by upregulating miR-744-5p/miR-615-3p and inhibiting GPX4 to induce ferroptosis. In summary, propofol inhibited GPX4-mediated ferroptosis and reduces CR of NSCLC cells to Cis through the miR-744-5p/miR-615-3p axis. SIGNIFICANCE: To study the effect of propofol on chemoresistance of non-small cell lung cancer (NSCLC), and to provide a new theoretical basis for the treatment of NSCLC.
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Affiliation(s)
- Bin Han
- Department of Oncology, First Hospital of Shanxi Medical University, Taiyuan 030001, China.
| | - Yanyan Liu
- Department of Oncology, First Hospital of Shanxi Medical University, Taiyuan 030001, China
| | - Qiongqiong Zhang
- Department of Oncology, First Hospital of Shanxi Medical University, Taiyuan 030001, China
| | - Liqun Liang
- Department of Oncology, First Hospital of Shanxi Medical University, Taiyuan 030001, China
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Qu C, Liu X, Han X, Sun M, Liu H, Yang B. miR-216b-5p regulates proliferation and apoptosis of ox-LDL-stimulated VSMCs and HUVECs via IGF2. J Biochem Mol Toxicol 2023; 37:e23271. [PMID: 36510830 DOI: 10.1002/jbt.23271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 09/06/2022] [Accepted: 12/02/2022] [Indexed: 12/14/2022]
Abstract
Atherosclerosis (AS) is one of the principal causes of cardiovascular disorder. Reportedly, vascular smooth muscle cells (VSMCs) and human umbilical vein endothelial cells (HUVECs) play key roles in AS development, and microRNAs (miRNAs) regulate their functions. The function of miR-216b-5p in AS remains unknown. Human VSMCs and human HUVECs were treated with ox-LDL to establish the in vitro model of AS. MiR-216b-5p and IGF2 expressions in VSMCs and HUVECs were probed by qRT-PCR and western blot. The viability, cell cycle progression, and apoptosis of VSMCs and HUVECs were evaluated by Cell Counting Kit-8 (CCK-8), 5-ethynyl-2'-deoxyuridine, and flow cytometry assays, respectively. The binding sites between IGF2 3'UTR and miR-216b-5p were validated by dual-luciferase reporter assay. miR-216b-5p expression was declined in ox-LDL-induced VSMCs and HUVECs. In VSMCs, miR-216b-5p overexpression inhibited excessive proliferation and induced apoptosis. MiR-216b-5p could markedly restrain the viabiblity of VSMCs induced by ox-LDL and enhanced the viability of HUVECs. Additionally, IGF2 was confirmed as the direct target of miR-216b-5p and transfection of IGF2 overexpression plasmids rescued the effects of miR-216b-5p on VSMCs and HUVECs. miR-216b-5p alleviates the dysfunction of VSMCs and HUVECs caused by ox-LDL via repressing IGF2, and exerts protective functions to block the development of AS.
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Affiliation(s)
- Chuan Qu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, Hubei, China.,Hubei Key Laboratory of Cardiology, Wuhan University, Wuhan, Hubei, China
| | - Xin Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, Hubei, China.,Hubei Key Laboratory of Cardiology, Wuhan University, Wuhan, Hubei, China
| | - Xueyu Han
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, Hubei, China.,Hubei Key Laboratory of Cardiology, Wuhan University, Wuhan, Hubei, China
| | - Meng Sun
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, Hubei, China.,Hubei Key Laboratory of Cardiology, Wuhan University, Wuhan, Hubei, China
| | - Haixia Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, Hubei, China.,Hubei Key Laboratory of Cardiology, Wuhan University, Wuhan, Hubei, China
| | - Bo Yang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, Hubei, China.,Hubei Key Laboratory of Cardiology, Wuhan University, Wuhan, Hubei, China
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8
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Lee SH, Ng CX, Wong SR, Chong PP. MiRNAs Overexpression and Their Role in Breast Cancer: Implications for Cancer Therapeutics. Curr Drug Targets 2023; 24:484-508. [PMID: 36999414 DOI: 10.2174/1389450124666230329123409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/20/2022] [Accepted: 01/30/2023] [Indexed: 04/01/2023]
Abstract
MicroRNAs have a plethora of roles in various biological processes in the cells and most human cancers have been shown to be associated with dysregulation of the expression of miRNA genes. MiRNA biogenesis involves two alternative pathways, the canonical pathway which requires the successful cooperation of various proteins forming the miRNA-inducing silencing complex (miRISC), and the non-canonical pathway, such as the mirtrons, simtrons, or agotrons pathway, which bypasses and deviates from specific steps in the canonical pathway. Mature miRNAs are secreted from cells and circulated in the body bound to argonaute 2 (AGO2) and miRISC or transported in vesicles. These miRNAs may regulate their downstream target genes via positive or negative regulation through different molecular mechanisms. This review focuses on the role and mechanisms of miRNAs in different stages of breast cancer progression, including breast cancer stem cell formation, breast cancer initiation, invasion, and metastasis as well as angiogenesis. The design, chemical modifications, and therapeutic applications of synthetic anti-sense miRNA oligonucleotides and RNA mimics are also discussed in detail. The strategies for systemic delivery and local targeted delivery of the antisense miRNAs encompass the use of polymeric and liposomal nanoparticles, inorganic nanoparticles, extracellular vesicles, as well as viral vectors and viruslike particles (VLPs). Although several miRNAs have been identified as good candidates for the design of antisense and other synthetic modified oligonucleotides in targeting breast cancer, further efforts are still needed to study the most optimal delivery method in order to drive the research beyond preclinical studies.
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Affiliation(s)
- Sau Har Lee
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Selangor, Malaysia
- Centre for Drug Discovery and Molecular Pharmacology (CDDMP), Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Selangor, Malaysia
| | - Chu Xin Ng
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Selangor, Malaysia
| | - Sharon Rachel Wong
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Selangor, Malaysia
| | - Pei Pei Chong
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Selangor, Malaysia
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9
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Zheng HQ, Li C, Zhu XF, Wang WX, Yin BY, Zhang WJ, Feng SL, Yin XH, Huang H, Zhang YM. miR-615 facilitates porcine epidemic diarrhea virus replication by targeting IRAK1 to inhibit type III interferon expression. Front Microbiol 2022; 13:1071394. [PMID: 36643411 PMCID: PMC9832332 DOI: 10.3389/fmicb.2022.1071394] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 11/10/2022] [Indexed: 12/04/2022] Open
Abstract
Porcine epidemic diarrhea virus (PEDV) in the Coronavirus family is a highly contagious enteric pathogen in the swine industry, which has evolved mechanisms to evade host innate immune responses. The PEDV-mediated inhibition of interferons (IFNs) has been linked to the nuclear factor-kappa B (NF-κB) pathway. MicroRNAs (miRNAs) are involved in virus-host interactions and IFN-I regulation. However, the mechanism by which the PEDV regulates IFN during PEDV infection has not yet been investigated in its natural target cells. We here report a novel mechanism of viral immune escape involving miR-615, which was screened from a high-throughput sequencing library of porcine intestinal epithelial cells (IECs) infected with PEDV. PEDV infection altered the profiles of miRNAs and the activities of several pathways involved in innate immunity. Overexpression of miR-615 increased PEDV replication, inhibited IFN expression, downregulated the NF-κB pathway, and blocked p65 nuclear translocation. In contrast, knockdown of miR-615 enhanced IFN expression, suppressed PEDV replication, and activated the NF-κB pathway. We further determined that IRAK1 is the target gene of miR-615 in IECs. Our findings show that miR-615 suppresses activation of the NF-κB pathway by suppressing the IRAK1 protein and reducing the generation of IFN-IIIs, which in turn facilitates PEDV infection in IECs. Moreover, miR-615 inhibited PEDV replication and NF-κB pathway activation in both IECs and MARC-145 cells. These findings support an important role for miR-615 in the innate immune regulation of PEDV infections and provide a novel perspective for developing new treatments.
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Affiliation(s)
- Hong-qing Zheng
- Key Laboratory of Animal Epidemic Disease Diagnostic Laboratory of Molecular Biology in Xianyang City, Institute of Animal Husbandry and Veterinary Medicine, Xianyang Vocational Technical College, Xianyang, Shaanxi, China,College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Cheng Li
- Tianjin Institute of Animal Husbandry and Veterinary Medicine, Tianjin Academy of Agricultural Sciences, Tianjin, China,College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Xiao-fu Zhu
- Key Laboratory of Animal Epidemic Disease Diagnostic Laboratory of Molecular Biology in Xianyang City, Institute of Animal Husbandry and Veterinary Medicine, Xianyang Vocational Technical College, Xianyang, Shaanxi, China
| | - Wei-Xiao Wang
- Institute of Hemu Biotechnology, Beijing Hemu Biotechnology Co. Ltd., Beijing, China
| | - Bao-ying Yin
- Key Laboratory of Animal Epidemic Disease Diagnostic Laboratory of Molecular Biology in Xianyang City, Institute of Animal Husbandry and Veterinary Medicine, Xianyang Vocational Technical College, Xianyang, Shaanxi, China
| | - Wen-juan Zhang
- Key Laboratory of Animal Epidemic Disease Diagnostic Laboratory of Molecular Biology in Xianyang City, Institute of Animal Husbandry and Veterinary Medicine, Xianyang Vocational Technical College, Xianyang, Shaanxi, China
| | - Shu-lin Feng
- Key Laboratory of Animal Epidemic Disease Diagnostic Laboratory of Molecular Biology in Xianyang City, Institute of Animal Husbandry and Veterinary Medicine, Xianyang Vocational Technical College, Xianyang, Shaanxi, China
| | - Xun-hui Yin
- Liangshan County Animal Husbandry and Veterinary Development Center, Liangshan County Animal Husbandry Bureau, Jining, China
| | - He Huang
- Institute of Hemu Biotechnology, Beijing Hemu Biotechnology Co. Ltd., Beijing, China,*Correspondence: He Huang,
| | - Yan-ming Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China,Yan-ming Zhang,
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10
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Ssc-MiR-21-5p and Ssc-MiR-615 Regulates the Proliferation and Apoptosis of Leydig Cells by Targeting SOX5. Cells 2022; 11:cells11142253. [PMID: 35883696 PMCID: PMC9324347 DOI: 10.3390/cells11142253] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/06/2022] [Accepted: 07/18/2022] [Indexed: 02/01/2023] Open
Abstract
Leydig cells (LCs) are the predominant cells of androgen production, which plays key roles in spermatogenesis and maintaining male secondary sexual characteristics. Abnormal development of LCs affects androgen levels in vivo, affects fertility and may even lead to infertility. Little is known about the regulation mechanism on LCs’ development and maturation in domestic animals, especially the regulation of non-coding RNAs. In this study, we continued to dig deeper in the previous RNA-seq data of porcine LCs from our group, combined with detecting the expression profiles in different tissues and different types of cells in the testis, to screen out candidate microRNAs (miRNAs) that may affect the regulation of LCs. A total of two miRNAs, ssc-miR-21-5p and ssc-miR-615 (“ssc” is omitted below), were finally determined. After overexpression and interference of miRNAs in vitro, the effects of candidate miRNAs on the proliferation and apoptosis of TM3 (mouse Leydig cell line) were explored. The results showed that miR-21-5p led to a decrease in TM3 cell density and p53 (apoptosis related protein) expression. Meanwhile, miR-21-5p decreased EdU positive cell numbers, but increased TUNEL positive cell numbers, suggesting miR-21-5p could inhibit proliferation and promote apoptosis. Conversely, miR-615 could increase TM3 cell density. Western blot and TUNEL assay indicated miR-615 inhibited apoptosis, but had no effect on proliferation. In addition, Sox5 was identified a potential target gene of these two miRNAs by Dual-Luciferase reporter system assay. Our findings about functions of miRNAs in TM3 and the mapping of miRNAs-target gene regulatory network would provide an important basis for the further elucidation of miRNAs in regulating pig LCs.
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11
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MiRNAs in Lung Cancer: Diagnostic, Prognostic, and Therapeutic Potential. Diagnostics (Basel) 2022; 12:diagnostics12071610. [PMID: 35885514 PMCID: PMC9322918 DOI: 10.3390/diagnostics12071610] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/13/2022] [Accepted: 04/17/2022] [Indexed: 12/24/2022] Open
Abstract
Lung cancer is the dominant emerging factor in cancer-related mortality around the globe. Therapeutic interventions for lung cancer are not up to par, mainly due to reoccurrence/relapse, chemoresistance, and late diagnosis. People are currently interested in miRNAs, which are small double-stranded (20–24 ribonucleotides) structures that regulate molecular targets (tumor suppressors, oncogenes) involved in tumorigeneses such as cell proliferation, apoptosis, metastasis, and angiogenesis via post-transcriptional regulation of mRNA. Many studies suggest the emerging role of miRNAs in lung cancer diagnostics, prognostics, and therapeutics. Therefore, it is necessary to intensely explore the miRNOME expression of lung tumors and the development of anti-cancer strategies. The current review focuses on the therapeutic, diagnostic, and prognostic potential of numerous miRNAs in lung cancer.
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12
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Xu X, Qiu Y, Chen S, Wang S, Yang R, Liu B, Li Y, Deng J, Su Y, Lin Z, Gu J, Li S, Huang L, Zhou Y. Different roles of the insulin-like growth factor (IGF) axis in non-small cell lung cancer. Curr Pharm Des 2022; 28:2052-2064. [DOI: 10.2174/1381612828666220608122934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 04/29/2022] [Indexed: 11/22/2022]
Abstract
Abstract:
Non-small cell lung cancer (NSCLC) remains one of the deadliest malignant diseases, with high incidence and mortality worldwide. The insulin-like growth factor (IGF) axis, consisting of IGF-1, IGF-2, related receptors (IGF-1R, -2R), and high-affinity binding proteins (IGFBP 1–6), is associated with promoting fetal development, tissue growth, and metabolism. Emerging studies have also identified the role of the IGF axis in NSCLC, including cancer growth, invasion, and metastasis. Upregulation of IGE-1 and IGF-2, overexpression of IGF-1R, and dysregulation of downstream signaling molecules involved in the PI-3K/Akt and MAPK pathways jointly increase the risk of cancer growth and migration in NSCLC. At the genetic level, some noncoding RNAs could influence the proliferation and differentiation of tumor cells through the IGF signaling pathway. The resistance to some promising drugs might be partially attributed to the IGF axis. Therapeutic strategies targeting the IGF axis have been evaluated, and some have shown promising efficacy. In this review, we summarize the biological roles of the IGF axis in NSCLC, including the expression and prognostic significance of the related components, noncoding RNA regulation, involvement in drug resistance, and therapeutic application. This review offers comprehensive understanding of NSCLC and provides insightful ideas for future research.
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Affiliation(s)
- Xiongye Xu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yanli Qiu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Simin Chen
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Shuaishuai Wang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Ruifu Yang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Baomo Liu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yufei Li
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jiating Deng
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yan Su
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Ziying Lin
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jincui Gu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Shaoli Li
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Lixia Huang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yanbin Zhou
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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13
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Yu J, Zhang H, Zhao C, Li G, Zhang Y, Sun Y. CircRNA circ_0008037 facilitates tumor growth and the Warburg effect via upregulating NUCKS1 by binding to miR-433-3p in non-small cell lung cancer. Thorac Cancer 2021; 13:162-172. [PMID: 34850570 PMCID: PMC8758425 DOI: 10.1111/1759-7714.14235] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Circular RNAs (circRNAs) participate in the genesis and progression of tumors, including non-small cell lung cancer (NSCLC). At present, the role and regulatory mechanisms of circRNAs in NSCLC have not been fully elucidated. The aim of this study was to explore the role and regulatory mechanism of circRNA hsa_circ_0008037 (circ_0008037) in NSCLC. METHODS Expression of circ_0008037 in NSCLC tissues and cells was detected by quantitative real-time polymerase chain reaction (RT-qPCR). Loss-of-function experiments were performed to analyze the influence of circ_0008037 knockdown on proliferation, migration, invasion, and the Warburg effect of NSCLC cells. Western blotting was utilized for protein analysis. The regulatory mechanism of circ_0008037 was surveyed by bioinformatics analysis, RNA pulldown assay, and dual-luciferase reporter assay. Xenograft assay was used to validate the oncogenicity of circ_0008037 in NSCLC in vivo. RESULTS Circ_0008037 was upregulated in NSCLC tissues and cells. Circ_0008037 downregulation reduced tumor growth in vivo and repressed proliferation, migration, invasion, and decreased the Warburg effect of NSCLC cells in vitro. Mechanically, circ_0008037 regulated nuclear ubiquitous casein kinase and cyclin-dependent kinase substrate 1 (NUCKS1) expression via sponging miR-433-3p. Furthermore, MiR-433-3p inhibitor reversed the inhibiting influence of circ_0008037 silencing on proliferation, migration, invasion, and the Warburg effect of NSCLC cells. Also, NUCKS1 elevation overturned the repressive influence of miR-433-3p mimic on proliferation, migration, invasion, and the Warburg effect of NSCLC cells. CONCLUSION Circ_0008037 accelerated tumor growth and elevated the Warburg effect via regulating NUCKS1 expression by adsorbing miR-433-3p, providing an underlying target for NSCLC treatment.
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Affiliation(s)
- Jia Yu
- Department of Respiratory, Dongying People's Hospital, Dongying, China
| | - Haining Zhang
- Department of Respiratory, Dongying People's Hospital, Dongying, China
| | - Chunsheng Zhao
- Department of Respiratory, Dongying People's Hospital, Dongying, China
| | - Guanghui Li
- Department of Respiratory, Dongying People's Hospital, Dongying, China
| | - Yingying Zhang
- Department of Respiratory, Dongying People's Hospital, Dongying, China
| | - Yang Sun
- Department of Respiratory, Dongying People's Hospital, Dongying, China
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14
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Splice and Dice: Intronic microRNAs, Splicing and Cancer. Biomedicines 2021; 9:biomedicines9091268. [PMID: 34572454 PMCID: PMC8465124 DOI: 10.3390/biomedicines9091268] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/13/2021] [Accepted: 09/16/2021] [Indexed: 12/17/2022] Open
Abstract
Introns span only a quarter of the human genome, yet they host around 60% of all known microRNAs. Emerging evidence indicates the adaptive advantage of microRNAs residing within introns is attributed to their complex co-regulation with transcription and alternative splicing of their host genes. Intronic microRNAs are often co-expressed with their host genes, thereby providing functional synergism or antagonism that is exploited or decoupled in cancer. Additionally, intronic microRNA biogenesis and the alternative splicing of host transcript are co-regulated and intertwined. The importance of intronic microRNAs is under-recognized in relation to the pathogenesis of cancer.
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15
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Ghafouri-Fard S, Abak A, Mohaqiq M, Shoorei H, Taheri M. The Interplay Between Non-coding RNAs and Insulin-Like Growth Factor Signaling in the Pathogenesis of Neoplasia. Front Cell Dev Biol 2021; 9:634512. [PMID: 33768092 PMCID: PMC7985092 DOI: 10.3389/fcell.2021.634512] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 02/02/2021] [Indexed: 12/11/2022] Open
Abstract
The insulin-like growth factors (IGFs) are polypeptides with similar sequences with insulin. These factors regulate cell growth, development, maturation, and aging via different processes including the interplay with MAPK, Akt, and PI3K. IGF signaling participates in the pathogenesis of neoplasia, insulin resistance, diabetes mellitus, polycystic ovarian syndrome, cerebral ischemic injury, fatty liver disease, and several other conditions. Recent investigations have demonstrated the interplay between non-coding RNAs and IGF signaling. This interplay has fundamental roles in the development of the mentioned disorders. We designed the current study to search the available data about the role of IGF-associated non-coding RNAs in the evolution of neoplasia and other conditions. As novel therapeutic strategies have been designed for modification of IGF signaling, identification of the impact of non-coding RNAs in this pathway is necessary for the prediction of response to these modalities.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Atefe Abak
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahdi Mohaqiq
- School of Advancement, Centennial College, Ashtonbee Campus, Toronto, ON, Canada
- Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University, Winston-Salem, NC, United States
| | - Hamed Shoorei
- Department of Anatomical Sciences, Faculty of Medicine, Biranjd University of Medical Sciences, Birjand, Iran
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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16
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Reza AMMT, Yuan YG. microRNAs Mediated Regulation of the Ribosomal Proteins and its Consequences on the Global Translation of Proteins. Cells 2021; 10:110. [PMID: 33435549 PMCID: PMC7827472 DOI: 10.3390/cells10010110] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 12/14/2020] [Indexed: 12/23/2022] Open
Abstract
Ribosomal proteins (RPs) are mostly derived from the energy-consuming enzyme families such as ATP-dependent RNA helicases, AAA-ATPases, GTPases and kinases, and are important structural components of the ribosome, which is a supramolecular ribonucleoprotein complex, composed of Ribosomal RNA (rRNA) and RPs, coordinates the translation and synthesis of proteins with the help of transfer RNA (tRNA) and other factors. Not all RPs are indispensable; in other words, the ribosome could be functional and could continue the translation of proteins instead of lacking in some of the RPs. However, the lack of many RPs could result in severe defects in the biogenesis of ribosomes, which could directly influence the overall translation processes and global expression of the proteins leading to the emergence of different diseases including cancer. While microRNAs (miRNAs) are small non-coding RNAs and one of the potent regulators of the post-transcriptional gene expression, miRNAs regulate gene expression by targeting the 3' untranslated region and/or coding region of the messenger RNAs (mRNAs), and by interacting with the 5' untranslated region, and eventually finetune the expression of approximately one-third of all mammalian genes. Herein, we highlighted the significance of miRNAs mediated regulation of RPs coding mRNAs in the global protein translation.
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Affiliation(s)
- Abu Musa Md Talimur Reza
- Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China;
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5a, 02-106 Warsaw, Poland
| | - Yu-Guo Yuan
- Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China;
- Jiangsu Key Laboratory of Zoonosis/Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
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17
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Kopf S, Kumar V, Kender Z, Han Z, Fleming T, Herzig S, Nawroth PP. Diabetic Pneumopathy-A New Diabetes-Associated Complication: Mechanisms, Consequences and Treatment Considerations. Front Endocrinol (Lausanne) 2021; 12:765201. [PMID: 34899603 PMCID: PMC8655305 DOI: 10.3389/fendo.2021.765201] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 10/22/2021] [Indexed: 01/04/2023] Open
Abstract
Patients with diabetes are over-represented among the total cases reported with "idiopathic" pulmonary fibrosis (IPF). This raises the question, whether this is an association only or whether diabetes itself can cause pulmonary fibrosis. Recent studies in mouse models of type 1 and type 2 diabetes demonstrated that diabetes causes pulmonary fibrosis. Both types of diabetes trigger a cascade, starting with increased DNA damage, an impaired DNA repair, and leading to persistent DNA damage signaling. This response, in turn, induces senescence, a senescence-associated-secretory phenotype (SASP), marked by the release of pro-inflammatory cytokines and growth factors, finally resulting in fibrosis. Restoring DNA repair drives fibrosis into remission, thus proving causality. These data can be translated clinically to patients with type 2 diabetes, characterized by long-term diabetes and albuminuria. Hence there are several arguments, to substitute the term "idiopathic" pulmonary fibrosis (IPF) in patients with diabetes (and exclusion of other causes of lung diseases) by the term "diabetes-induced pulmonary fibrosis" (DiPF). However, future studies are required to establish this term and to study whether patients with diabetes respond to the established therapies similar to non-diabetic patients.
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Affiliation(s)
- Stefan Kopf
- Department of Medicine I and Clinical Chemistry, University Hospital Heidelberg, Heidelberg, Germany
- German Center for Diabetes Research (DZD), Munich-Neuherberg, Germany
| | - Varun Kumar
- Department of Medicine I and Clinical Chemistry, University Hospital Heidelberg, Heidelberg, Germany
- German Center for Diabetes Research (DZD), Munich-Neuherberg, Germany
- European Molecular Biology Laboratory, Advanced Light Microscopy Facility, Heidelberg, Germany
| | - Zoltan Kender
- Department of Medicine I and Clinical Chemistry, University Hospital Heidelberg, Heidelberg, Germany
- German Center for Diabetes Research (DZD), Munich-Neuherberg, Germany
| | - Zhe Han
- Department of Medicine I and Clinical Chemistry, University Hospital Heidelberg, Heidelberg, Germany
| | - Thomas Fleming
- Department of Medicine I and Clinical Chemistry, University Hospital Heidelberg, Heidelberg, Germany
- German Center for Diabetes Research (DZD), Munich-Neuherberg, Germany
| | - Stephan Herzig
- German Center for Diabetes Research (DZD), Munich-Neuherberg, Germany
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Munich-Neuherberg, Germany
- Joint Heidelberg-Institute for Diabetes and Cancer (IDC) Translational Diabetes Programme, Helmholtz-Zentrum, Munich, Germany
| | - Peter P. Nawroth
- Department of Medicine I and Clinical Chemistry, University Hospital Heidelberg, Heidelberg, Germany
- German Center for Diabetes Research (DZD), Munich-Neuherberg, Germany
- Joint Heidelberg-Institute for Diabetes and Cancer (IDC) Translational Diabetes Programme, Helmholtz-Zentrum, Munich, Germany
- *Correspondence: Peter P. Nawroth,
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Sun L, Wang P, Zhang Z, Zhang K, Xu Z, Li S, Mao J. MicroRNA-615 functions as a tumor suppressor in osteosarcoma through the suppression of HK2. Oncol Lett 2020; 20:226. [PMID: 32968448 PMCID: PMC7500052 DOI: 10.3892/ol.2020.12089] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 08/12/2020] [Indexed: 12/16/2022] Open
Abstract
At present, the regulatory mechanisms of various microRNAs (miRNAs/miRs) have been elucidated in human cancers including osteosarcoma (OS). This study mainly focused on the role of miR-615 in OS, which has not yet been reported. Ninety-two OS tissues and normal samples were used in this study. Human osteoblast hFOB1.19 cells and OS cell line HOS were utilized to detect the expression of miR-615. The expression of miR-615 and gene expression were assessed by RT-qPCR and western blot analysis. Transwell, MTT and luciferase reporter assays were used to investigate the regulatory mechanism of miR-615 in OS. The results revealed that miR-615 expression was reduced in OS tissues and cells, and was associated with poor clinical outcomes and prognosis in OS patients. In addition, overexpression of miR-615 restrained cell viability and metastasis in OS. Furthermore, hexokinase 2 (HK2) was confirmed as a direct target of miR-615. Upregulation of HK2 was detected in OS tissues. The upregulation of HK2 weakened the tumor-suppressive effect of miR-615 in OS. Moreover, miR-615 blocked epithelial-mesenchymal transition (EMT) and inactivated the PI3K/AKT pathway in OS. To conclude, miR-615 acts as a tumor suppressor in OS, thus miR-615 can be used as a target for OS treatment.
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Affiliation(s)
- Limin Sun
- Department of Orthopedics, Shandong Provincial Third Hospital, Jinan, Shandong 250031, P.R. China
| | - Peng Wang
- Department of Orthopedics, Shandong Provincial Third Hospital, Jinan, Shandong 250031, P.R. China
| | - Zhiqiang Zhang
- Department of Orthopedics, Shandong Provincial Third Hospital, Jinan, Shandong 250031, P.R. China
| | - Kai Zhang
- Department of Orthopedics, Shandong Provincial Third Hospital, Jinan, Shandong 250031, P.R. China
| | - Zheng Xu
- Department of Orthopedics, Shandong Provincial Third Hospital, Jinan, Shandong 250031, P.R. China
| | - Siyuan Li
- Department of Orthopedics, Shandong Provincial Third Hospital, Jinan, Shandong 250031, P.R. China
| | - Junsheng Mao
- Department of Orthopedic Surgery, Taishan Hospital of Shandong Province, Tai'an, Shandong 271000, P.R. China
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miR-615 Fine-Tunes Growth and Development and Has a Role in Cancer and in Neural Repair. Cells 2020; 9:cells9071566. [PMID: 32605009 PMCID: PMC7408929 DOI: 10.3390/cells9071566] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 06/21/2020] [Accepted: 06/25/2020] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are small noncoding RNAs that function as epigenetic modulators regulating almost any gene expression. Similarly, other noncoding RNAs, as well as epigenetic modifications, can regulate miRNAs. This reciprocal interaction forms a miRNA-epigenetic feedback loop, the deregulation of which affects physiological processes and contributes to a great diversity of diseases. In the present review, we focus on miR-615, a miRNA highly conserved across eutherian mammals. It is involved not only during embryogenesis in the regulation of growth and development, for instance during osteogenesis and angiogenesis, but also in the regulation of cell growth and the proliferation and migration of cells, acting as a tumor suppressor or tumor promoter. It therefore serves as a biomarker for several types of cancer, and recently has also been found to be involved in reparative processes and neural repair. In addition, we present the pleiad of functions in which miR-615 is involved, as well as their multiple target genes and the multiple regulatory molecules involved in its own expression. We do this by introducing in a comprehensible way the reported knowledge of their actions and interactions and proposing an integral view of its regulatory mechanisms.
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20
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Pan R, Zhou H. Exosomal Transfer of lncRNA H19 Promotes Erlotinib Resistance in Non-Small Cell Lung Cancer via miR-615-3p/ATG7 Axis. Cancer Manag Res 2020; 12:4283-4297. [PMID: 32606925 PMCID: PMC7294568 DOI: 10.2147/cmar.s241095] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 04/28/2020] [Indexed: 12/19/2022] Open
Abstract
Background Drug resistance restrains the effect of drug therapy in non-small cell lung cancer (NSCLC). However, the mechanism of the acquisition of drug resistance remains largely unknown. This study aims to investigate the effect of exosomal lncRNA H19 on erlotinib resistance in NSCLC and the underlying mechanism. Methods HCC827 and A549 cells were continuously grafted into erlotinib-containing culture medium to establish erlotinib-resistant cell lines. The expression of H19 and miR-615-3p was detected by qRT-PCR. The protein levels of MMP2, MMP9, CD9, CD63 and ATG7 were measured by Western blot. Cell viability and proliferation were determined by Cell Counting Kit-8 (CCK-8) and 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) assay, respectively. Migration and invasion were assessed by transwell assay. Xenograft tumor models were used to investigate the effect of H19 on erlotinib resistance in vivo. Online software and dual-luciferase reporter assay were used to predicate the downstream targets and confirm the targeted relationships. Results H19 was upregulated in erlotinib-resistant cells, and knockdown of H19 inhibited cell proliferation, migration and invasion in erlotinib-resistant cells. Extracellular H19 can be packaged into exosomes. Exosomes containing H19 induced erlotinib resistance of sensitive cells, while knockdown of H19 abolished this effect. miR-615-3p was a target of H19 and can bind to ATG7. Exosomal H19 affected erlotinib resistance of erlotinib-resistant NSCLC cells via targeting miR-615-3p to regulate ATG7 expression. In addition, the serum exosomal H19 was upregulated in patients with erlotinib resistance. Furthermore, downregulated H19 decreased the resistance of tumor cells to erlotinib in vivo. Conclusion Our study demonstrated that exosomal H19 facilitated erlotinib resistance in NSCLC via miR-615-3p/ATG7 axis, which might provide a potential target for the diagnosis and treatment of NSCLC.
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Affiliation(s)
- Rongtao Pan
- Department of Oncology, Taishan Hospital of Shandong Province, Taian 271000, Shandong, People's Republic of China
| | - Haiyan Zhou
- Department of Medical Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan 250117, Shandong, People's Republic of China
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Combined identification of three miRNAs in serum as effective diagnostic biomarkers for HNSCC. EBioMedicine 2019; 50:135-143. [PMID: 31780396 PMCID: PMC6921333 DOI: 10.1016/j.ebiom.2019.11.016] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 11/08/2019] [Accepted: 11/08/2019] [Indexed: 12/11/2022] Open
Abstract
Background: Head and neck squamous cell carcinoma (HNSCC) is a disastrous disease with substantial morbidity and mortality. This study aims to explore the effective diagnostic and prognostic biomarkers for HNSCC. Methods: MiRNA expression data and corresponding clinical information of HNSCC from The Cancer Genome Atlas (TCGA) database were analyzed comprehensively to identify the miRNAs with diagnostic and prognostic power. The predictive ability of different classifications was analyzed for the three-miRNA combinations. Diagnostic and prognostic value were then evaluated and verified in clinical patients. Findings: 128 differentially expressed miRNAs in HNSCC tissues were identified in the TCGA dataset, and 10 miRNAs were finally selected for further study. Classification analysis developed a three-miRNA signature of hsa-mir-383, hsa-mir-615, and hsa-mir-877 with the best diagnosis power, which was verified in validation patients. Survival analysis indicated that different expression levels of hsa-mir-383, rather than that of hsa-mir-615 or hsa-mir-877 led to significantly different survival rates in both cohorts. Furthermore, the multivariate Cox hazards analysis suggested that the microRNA signature yielded statistical significance to predict clinical outcome independently from other clinical variables in validation patients. Interpretation: A three-miRNA signature of hsa-mir-383, hsa-mir-615, and hsa-mir-877 may serve as an excellent diagnostic biomarker for HNSCC, and potential prognostic significance for HNSCC patients. Funding: This work was supported by the grants of the National Natural Science Foundation of China (81901021), Key Research and Development Program of Shandong (2019GSF108277), China postdoctoral Scinence Foundation Grant (2019M652380), Fundamental Research Funds of Shandong University (2018CJ047).
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22
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Circular RNA TTN Acts As a miR-432 Sponge to Facilitate Proliferation and Differentiation of Myoblasts via the IGF2/PI3K/AKT Signaling Pathway. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 18:966-980. [PMID: 31770673 PMCID: PMC6881651 DOI: 10.1016/j.omtn.2019.10.019] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 09/25/2019] [Accepted: 10/17/2019] [Indexed: 01/22/2023]
Abstract
Circular RNAs (circRNAs) are ubiquitous endogenous RNA found in various organisms that can regulate gene expression in eukaryotes. However, little is known about potential roles for circRNAs in muscle development. We analyzed circRNA sequencing data of bovine skeletal muscle tissue and found differential expression of circTitin (circTTN) in fetal and adult bovine muscle tissue. We then further studied the role of circTTN in bovine muscle development. Overexpression and inhibition of circTTN together elicited its promoting roles in proliferation and differentiation of bovine primary myoblasts. Mechanistically, circTTN showed interaction with miR-432 by luciferase screening and RNA immunoprecipitation (RIP) assays. Additionally, miR-432 is a regulator of insulin-like growth factor 2 (IGF2), as indicated by luciferase activity, quantitative real-time PCR, and western blotting assays. Increased miR-432 expression inhibited the expression of IGF2, but this effect was remitted by circTTN. Conclusively, our results showed that circTTN promoted proliferation and differentiation of bovine primary myoblasts via competitively combining with miR-432 to activate the IGF2/phosphatidylinositol 3-kinase (PI3K)/AKT signaling pathway.
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Shi J, Wang H, Feng W, Huang S, An J, Qiu Y, Wu K. Long non-coding RNA HOTTIP promotes hypoxia-induced glycolysis through targeting miR-615-3p/HMGB3 axis in non-small cell lung cancer cells. Eur J Pharmacol 2019; 862:172615. [PMID: 31422060 DOI: 10.1016/j.ejphar.2019.172615] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 07/25/2019] [Accepted: 08/14/2019] [Indexed: 12/13/2022]
Abstract
Increased glycolysis under hypoxic stress is a fundamentally important feature of non-small cell lung cancer (NSCLC) cells, but molecular mechanisms of hypoxia on glycolysis remain elusive. Herein, we aimed to explore whether lncRNAs and miRNAs are involved in the glycolytic reprogramming under hypoxic conditions. The levels of HOXA transcript at the distal tip (HOTTIP), miR-615-3p and high mobility group box 3 (HMGB3) mRNA were assessed by qRT-PCR. Western blot was performed to determine the protein expression of hexokinase 2 (HK-2) and HMGB3. Glucose consumption and lactate production were analyzed using a respective assay kit. The targeted correlation between miR-615-3p and HOTTIP or HMGB3 was verified using dual-luciferase reporter and RNA immunoprecipition assays. Our data revealed that HOTTIP was upregulated and miR-615-3p was downregulated in NSCLC tissues and cells. Hypoxia induced glycolysis, increased HOTTIP and HMGB3 mRNA levels and repressed miR-615-3p expression in NSCLC cells. HOTTIP deficiency or miR-615-3p expression restoration repressed hypoxia-induced glycolysis. Moreover, HOTTIP acted as a molecular sponge for miR-615-3p and HMGB3 was a direct target of miR-615-3p. The inhibitory effect of HOTTIP deficiency on glycolysis under hypoxic exposure was reversed by miR-615-3p restoration. Additionally, HOTTIP regulated HMGB3 expression by acting as a molecular sponge of miR-615-3p in NSCLC cells. In conclusion, our study suggested that HOTTIP might promote glycolysis under hypoxic conditions at least partly through regulating miR-615-3p/HMGB3 axis in NSCLC cells. Targeting HOTTIP might be a promising therapeutic strategy for NSCLC treatment.
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Affiliation(s)
- Jiang Shi
- Department of Respiratory, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Erqi District, 450052, Zhengzhou, Henan, China
| | - Huan Wang
- Department of Respiratory, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Erqi District, 450052, Zhengzhou, Henan, China
| | - Wanlu Feng
- Department of Respiratory, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Erqi District, 450052, Zhengzhou, Henan, China
| | - Siyuan Huang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Erqi District, 450052, Zhengzhou, Henan, China
| | - Jinlu An
- Department of Respiratory, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Erqi District, 450052, Zhengzhou, Henan, China
| | - Yajuan Qiu
- Department of Respiratory, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Erqi District, 450052, Zhengzhou, Henan, China
| | - Kai Wu
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Erqi District, 450052, Zhengzhou, Henan, China.
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Weidle UH, Birzele F, Nopora A. MicroRNAs as Potential Targets for Therapeutic Intervention With Metastasis of Non-small Cell Lung Cancer. Cancer Genomics Proteomics 2019; 16:99-119. [PMID: 30850362 PMCID: PMC6489690 DOI: 10.21873/cgp.20116] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 02/11/2019] [Accepted: 02/12/2019] [Indexed: 02/08/2023] Open
Abstract
The death toll of non-small cell lung cancer (NSCLC) patients is primarily due to metastases, which are poorly amenable to therapeutic intervention. In this review we focus on miRs associated with metastasis of NSCLC as potential new targets for anti-metastatic therapy. We discuss miRs validated as therapeutic targets by in vitro data, identification of target(s) and pathway(s) and in vivo efficacy data in at least one clinically-relevant metastasis-related model. A few of the discussed miRs correlate with the clinical status of NSCLC patients. Using miRs as therapeutic agents has the advantage that targeting a single miR can potentially interfere with several metastatic pathways. Depending on their mode of action, the corresponding miRs can be up- or down-regulated compared to normal matching tissues. Here, we describe therapeutic approaches for reconstitution therapy and miR inhibition, general principles of anti-metastatic therapy as well as current technical pitfalls.
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Affiliation(s)
- Ulrich H Weidle
- Roche Innovation Center Munich, Roche Diagnostics GmbH, Penzberg, Germany
| | - Fabian Birzele
- Roche Innovation Center Basel, F. Hofman La Roche, Basel, Switzerland
| | - Adam Nopora
- Roche Innovation Center Munich, Roche Diagnostics GmbH, Penzberg, Germany
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25
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Khateeb J, Fuchs E, Khamaisi M. Diabetes and Lung Disease: A Neglected Relationship. Rev Diabet Stud 2019; 15:1-15. [PMID: 30489598 DOI: 10.1900/rds.2019.15.1] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Diabetes mellitus is a systemic disorder associated with inflammation and oxidative stress which may target many organs such as the kidney, retina, and the vascular system. The pathophysiology, mechanisms, and consequences of diabetes on these organs have been studied widely. However, no work has been done on the concept of the lung as a target organ for diabetes and its implications for lung diseases. AIM In this review, we aimed to investigate the effects of diabetes and hypoglycemic agent on lung diseases, including asthma, chronic obstructive pulmonary disease (COPD), idiopathic pulmonary fibrosis, pulmonary hypertension, and lung cancer. We also reviewed the potential mechanisms by which these effects may affect lung disease patients. RESULTS Our results suggest that diabetes can affect the severity and clinical course of several lung diseases. CONCLUSIONS Although the diabetes-lung association is epidemiologically and clinically well-established, especially in asthma, the underlying mechanism and pathophysiology are not been fully understood. Several mechanisms have been suggested, mainly associated with the pro-inflammatory and proliferative properties of diabetes, but also in relation to micro- and macrovascular effects of diabetes on the pulmonary vasculature. Also, hypoglycemic drugs may influence lung diseases in different ways. For example, metformin was considered a potential therapeutic agent in lung diseases, while insulin was shown to exacerbate lung diseases; this suggests that their effects extend beyond their hypoglycemic properties.
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Affiliation(s)
- Jasmin Khateeb
- Department of Internal Medicine D, Rambam Health Care Campus, Haifa, Israel
| | - Eyal Fuchs
- Pulmonary Division, Rambam Health Care Campus, Haifa, Israel
| | - Mogher Khamaisi
- Department of Internal Medicine D, Rambam Health Care Campus, Haifa, Israel
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26
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Tang H, Lv W, Sun W, Bi Q, Hao Y. miR‑505 inhibits cell growth and EMT by targeting MAP3K3 through the AKT‑NFκB pathway in NSCLC cells. Int J Mol Med 2018; 43:1203-1216. [PMID: 30628663 PMCID: PMC6365022 DOI: 10.3892/ijmm.2018.4041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 12/10/2018] [Indexed: 12/11/2022] Open
Abstract
MicroRNAs (miRNAs) are short non-coding RNAs, which generally regulate gene expression at the post-transcriptional level. Dysregulation of miRNAs has been reported in numerous cancer types, including lung cancer. In the present study, the role of miR-505 in non-small cell lung cancer (NSCLC) cells was investigated. miR-505 served a tumor suppressor role in NSCLC cells. By reverse transcriptase-quantitative polymerase chain reaction detection, it was demonstrated that miR-505 was downregulated in NSCLC tissues and cell lines, which is negatively associated with large tumor size, Tumor-Node-Metastasis stage and distant metastasis in patients with NSCLC. Functional studies revealed that miR-505 inhibited cell proliferation, migration, invasion and epithelial-mesenchymal transition progress in vitro and tumor growth in vivo. Mechanically, mitogen-activated protein kinase kinase kinase 3 (MAP3K3) was identified as a direct target of miR-505 by binding to its 3′untranslated region and demonstrated to mediate the tumor suppressor roles of miR-505 in NSCLC cells. The effect of miR-505 on the activation of AKT/nuclear factor-κB (NFκB) pathway, which was downstream targets of MAP3K3, was further analyzed by western blot analysis and immunofluorescence analyses. The data demonstrated the inhibition of the AKT/NFκB pathway upon overexpressing miR-505 and the activation of AKT/NFκB pathway upon silencing miR-505. Collectively, the data revealed the novel role and target of miR-505 in NSCLC cells, which may provide novel insights regarding its role in the carcinogenesis of NSCLC and its potential values for clinical applications.
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Affiliation(s)
- Huaping Tang
- Department of Respiration, Qingdao Municipal Hospital, Qingdao, Shandong 266071, P.R. China
| | - Weihong Lv
- Department of Medical, Qingdao Municipal Hospital, Qingdao, Shandong 266071, P.R. China
| | - Wenxin Sun
- Department of Respiration, Qingdao Municipal Hospital, Qingdao, Shandong 266071, P.R. China
| | - Qiaojie Bi
- Department of Emergency, Qingdao Municipal Hospital, Qingdao, Shandong 266071, P.R. China
| | - Yueqin Hao
- Department of Respiration, Qingdao Municipal Hospital, Qingdao, Shandong 266071, P.R. China
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