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Malekan M, Haass NK, Rokni GR, Gholizadeh N, Ebrahimzadeh MA, Kazeminejad A. VEGF/VEGFR axis and its signaling in melanoma: Current knowledge toward therapeutic targeting agents and future perspectives. Life Sci 2024; 345:122563. [PMID: 38508233 DOI: 10.1016/j.lfs.2024.122563] [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: 01/20/2024] [Revised: 03/10/2024] [Accepted: 03/13/2024] [Indexed: 03/22/2024]
Abstract
Melanoma is responsible for most skin cancer-associated deaths globally. The progression of melanoma is influenced by a number of pathogenic processes. Understanding the VEGF/VEGFR axis, which includes VEGF-A, PlGF, VEGF-B, VEGF-C, and VEGF-D and their receptors, VEGFR-1, VEGFR-2, and VEGFR-3, is of great importance in melanoma due to its crucial role in angiogenesis. This axis generates multifactorial and complex cellular signaling, engaging the MAPK/ERK, PI3K/AKT, PKC, PLC-γ, and FAK signaling pathways. Melanoma cell growth and proliferation, migration and metastasis, survival, and acquired resistance to therapy are influenced by this axis. The VEGF/VEGFR axis was extensively examined for their potential as diagnostic/prognostic biomarkers in melanoma patients and results showed that VEGF overexpression can be associated with unfavorable prognosis, higher level of tumor invasion and poor response to therapy. MicroRNAs linking to the VEGF/VEGFR axis were identified and, in this review, divided into two categories according to their functions, some of them promote melanoma angiogenesis (promotive group) and some restrict melanoma angiogenesis (protective group). In addition, the approach of treating melanoma by targeting the VEGF/VEGFR axis has garnered significant interest among researchers. These agents can be divided into two main groups: anti-VEGF and VEGFR inhibitors. These therapeutic options may be a prominent step along with the modern targeting and immune therapies for better coverage of pathological processes leading to melanoma progression and therapy resistance.
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Affiliation(s)
- Mohammad Malekan
- Student Research Committee, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
| | | | - Ghasem Rahmatpour Rokni
- Department of Dermatology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Nasim Gholizadeh
- Department of Dermatology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mohammad Ali Ebrahimzadeh
- Pharmaceutical Sciences Research Center, School of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Armaghan Kazeminejad
- Department of Dermatology, Antimicrobial Resistance Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences,Sari, Iran
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2
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Li Z, Duan Y, Yan S, Zhang Y, Wu Y. The miR-302/367 cluster: Aging, inflammation, and cancer. Cell Biochem Funct 2023; 41:752-766. [PMID: 37555645 DOI: 10.1002/cbf.3836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/25/2023] [Indexed: 08/10/2023]
Abstract
MicroRNAs (miRNAs) are a class of noncoding RNAs that occupy a significant role in biological processes as important regulators of intracellular homeostasis. First, we will discuss the biological genesis and functions of the miR-302/367 cluster, including miR-302a, miR-302b, miR-302c, miR-302d, and miR-367, as well as their roles in physiologically healthy tissues. The second section of this study reviews the progress of the miR-302/367 cluster in the treatment of cancer, inflammation, and diseases associated with aging. This cluster's aberrant expression in cells and/or tissues exhibits similar or different effects in various diseases through molecular mechanisms such as proliferation, apoptosis, cycling, drug resistance, and invasion. This article also discusses the upstream and downstream regulatory networks of miR-302/367 clusters and their related mechanisms. Particularly because studies on the upstream regulatory molecules of miR-302/367 clusters, which include age-related macular degeneration, myocardial infarction, and cancer, have become more prevalent in recent years. MiR-302/367 cluster can be an important therapeutic target and the use of miRNAs in combination with other molecular markers may improve diagnostic or therapeutic capabilities, providing unique insights and a more dynamic view of various diseases. It is noted that miRNAs can be an important bio-diagnostic target and offer a promising method for illness diagnosis, prevention, and treatment.
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Affiliation(s)
- Zhou Li
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi Province, China
| | - Yan Duan
- Department of Stomatology, Shanxi Provincial People's Hospital, Taiyuan, Shanxi Province, China
| | - Shaofu Yan
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi Province, China
| | - Yao Zhang
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi Province, China
| | - Yunxia Wu
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi Province, China
- Department of Stomatology, First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
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3
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Di Vincenzo M, Diotallevi F, Piccirillo S, Carnevale G, Offidani A, Campanati A, Orciani M. miRNAs, Mesenchymal Stromal Cells and Major Neoplastic and Inflammatory Skin Diseases: A Page Being Written: A Systematic Review. Int J Mol Sci 2023; 24:ijms24108502. [PMID: 37239847 DOI: 10.3390/ijms24108502] [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: 02/24/2023] [Revised: 03/31/2023] [Accepted: 04/04/2023] [Indexed: 05/28/2023] Open
Abstract
Micro RNAs (miRNAs) are a type of non-coding RNA (ncRNA) and typically interact with specific target mRNAs through complementary base pairing, affecting their translation and/or stability. MiRNAs regulate nearly all cellular functions, including the cell fate of mesenchymal stromal cells (MSCs). It is now accepted that various pathologies arise at the stem level, and, in this scenario, the role played by miRNAs in the fate of MSCs becomes of primary concern. Here we have considered the existing literature in the field of miRNAs, MSCs and skin diseases, classified as inflammatory (such as psoriasis and atopic dermatitis-AD) and neoplastic (melanoma and non-melanoma-skin-cancer including squamous cell and basal cell carcinoma) diseases. In this scoping review article, the evidence recovered indicates that this topic has attracted attention, but it is still a matter of opinion. A protocol for this review was registered in PROSPERO with the registration number "CRD42023420245". According to the different skin disorders and to the specific cellular mechanisms considered (cancer stem cells, extracellular vesicles, inflammation), miRNAs may play a pro- or anti-inflammatory, as well as a tumor suppressive, or supporting, role, indicating a complex regulation of their function. It is evident that the mode of action of miRNAs is more than a switch on-off, and all the observed effects of their dysregulated expression must be checked in a detailed analysis of the targeted proteins. The involvement of miRNAs has been studied mainly for squamous cell carcinoma and melanoma, and much less in psoriasis and AD; different mechanisms have been considered, such as miRNAs included in extracellular vesicles derived both from MSCs or tumor cells, miRNAs involved in cancer stem cells formation, up to miRNAs as candidates to be new therapeutic tools.
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Affiliation(s)
- Mariangela Di Vincenzo
- Department of Clinical and Molecular Sciences-Histology, Università Politecnica delle Marche, 60126 Ancona, Italy
| | - Federico Diotallevi
- Department of Clinical and Molecular Sciences-Dermatological Clinic, Università Politecnica delle Marche, 60126 Ancona, Italy
| | - Silvia Piccirillo
- Department of Biomedical Sciences and Public Health-Pharmacology, Università Politecnica delle Marche, 60126 Ancona, Italy
| | - Gianluca Carnevale
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, Università di Modena e Reggio Emilia, 41121 Modena, Italy
| | - Annamaria Offidani
- Department of Clinical and Molecular Sciences-Dermatological Clinic, Università Politecnica delle Marche, 60126 Ancona, Italy
| | - Anna Campanati
- Department of Clinical and Molecular Sciences-Dermatological Clinic, Università Politecnica delle Marche, 60126 Ancona, Italy
| | - Monia Orciani
- Department of Clinical and Molecular Sciences-Histology, Università Politecnica delle Marche, 60126 Ancona, Italy
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4
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Zeng Q, Qi X, Ma J, Hu F, Wang X, Qin H, Li M, Huang S, Yang Y, Li Y, Bai H, Jiang M, Ren D, Kang Y, Zhao Y, Chen X, Ding X, Ye D, Wang Y, Jiang J, Li D, Chen X, Hu K, Zhang B, Shi B, Zhang C. Distinct miRNAs associated with various clinical presentations of SARS-CoV-2 infection. iScience 2022; 25:104309. [PMID: 35502319 PMCID: PMC9044631 DOI: 10.1016/j.isci.2022.104309] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 01/04/2022] [Accepted: 04/22/2022] [Indexed: 01/08/2023] Open
Abstract
MicroRNAs (miRNAs) have been shown to play important roles in viral infections, but their associations with SARS-CoV-2 infection remain poorly understood. Here, we detected 85 differentially expressed miRNAs (DE-miRNAs) from 2,336 known and 361 novel miRNAs that were identified in 233 plasma samples from 61 healthy controls and 116 patients with COVID-19 using the high-throughput sequencing and computational analysis. These DE-miRNAs were associated with SASR-CoV-2 infection, disease severity, and viral persistence in the patients with COVID-19, respectively. Gene ontology and KEGG pathway analyses of the DE-miRNAs revealed their connections to viral infections, immune responses, and lung diseases. Finally, we established a machine learning model using the DE-miRNAs between various groups for classification of COVID-19 cases with different clinical presentations. Our findings may help understand the contribution of miRNAs to the pathogenesis of COVID-19 and identify potential biomarkers and molecular targets for diagnosis and treatment of SARS-CoV-2 infection. 2,336 known and 361 novel miRNAs identified in this study 85 miRNAs associated with COVID-19 A panel of miRNAs targeting the viral or cellular genes Machine learning using miRNAs for classification of COVID-19
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Affiliation(s)
- Qiqi Zeng
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Xin Qi
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Junpeng Ma
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Fang Hu
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Xiaorui Wang
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Hongyu Qin
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Mengyang Li
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Shaoxin Huang
- SpecAlly Life Technology Co, Ltd, Wuhan East Lake High-tech Development Zone, 666 Gaoxin Road, Wuhan 430075, China
| | - Yong Yang
- SpecAlly Life Technology Co, Ltd, Wuhan East Lake High-tech Development Zone, 666 Gaoxin Road, Wuhan 430075, China
| | - Yixin Li
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Han Bai
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Meng Jiang
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Doudou Ren
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Ye Kang
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China
| | - Yang Zhao
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, 99 Zhangzhidong Road, Wuhan 430060, China
| | - Xiaobei Chen
- Department of Infectious Diseases, The Renmin Hospital of Wuhan University, East Campus, East Lake New Technology Development Zone, Gaoxin 6th Road, Wuhan 430040, China
| | - Xi Ding
- Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China
| | - Di Ye
- Department of Rehabilitation, The Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuchang District, Wuhan 430060, China
| | - Yankui Wang
- Dialysis Center, The Renmin Hospital of Wuhan University, East Campus, East Lake New Technology Development Zone, Gaoxin 6th Road, Wuhan 430040, China
| | - Jianguo Jiang
- LC-Bio Technologies (Hangzhou) Co., Ltd., Hanghzhou 310000, China
| | - Dong Li
- Department of Clinical Laboratory, The Renmin Hospital of Wuhan University, East Campus, East Lake New Technology Development Zone, Gaoxin 6th Road, Wuhan 430040, China
| | - Xi Chen
- SpecAlly Life Technology Co, Ltd, Wuhan East Lake High-tech Development Zone, 666 Gaoxin Road, Wuhan 430075, China.,Wuhan Institute of Biotechnology, Wuhan East Lake High-tech Development Zone, 666 Gaoxin Road, Wuhan 430040, China
| | - Ke Hu
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, 99 Zhangzhidong Road, Wuhan 430060, China
| | - Binghong Zhang
- The Renmin Hospital of Wuhan University, East Campus, East Lake New Technology Development Zone, Gaoxin 6th Road, Wuhan 430040, China
| | - Bingyin Shi
- Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China
| | - Chengsheng Zhang
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The MED-X Institute, The First Affiliated Hospital of Xi'an Jiaotong University, Western China Science and Technology Innovation Harbor, Building 21, Xi'an 710000, China.,Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.,The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA
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5
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Rezania MA, Eghtedari A, Taha MF, Ardekani AM, Javeri A. A novel role for aspirin in enhancing the reprogramming function of miR-302/367 cluster and breast tumor suppression. J Cell Biochem 2022; 123:1077-1090. [PMID: 35535453 DOI: 10.1002/jcb.30264] [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: 11/02/2021] [Revised: 04/04/2022] [Accepted: 04/07/2022] [Indexed: 11/06/2022]
Abstract
Recent studies have provided evidence for tumor suppressive function of the embryonic stem cell-specific miR-302/367 cluster through induction of a reprogramming process. Aspirin has been found to induce reprogramming factors of mesenchymal-to-epithelial transition in breast cancer cells. Therefore, we aimed to investigate whether overexpression of miR-302/367 cluster and aspirin treatment cooperate in the induction of reprogramming and tumor suppression in breast cancer cells. MDA-MB-231 and SK-BR-3 human breast cancer cell lines were transfected with a miR-302/367 expressing vector and treated with aspirin. The cells were evaluated for indices of apoptosis, proliferation, migration, and invasion. In both cell lines, treatment of miR-302/367-transfected cells with aspirin upregulated expression of some main pluripotency factors such as OCT4, SOX2, NANOG, and KLF4, and downregulated expression of some invasion and angiogenesis markers at gene and protein levels. Aspirin increased the apoptotic rate in both cell lines transfected with miR-302/367. Both miR-302/367 and aspirin upregulated the expression of FOXD3 protein which is a known inducer of OCT4 and NANOG. Our results demonstrate that aspirin can enhance miR-302/367-induced reprogramming of breast cancer cells possibly through upregulation of FOXD3 expression. This can further augment the reversal of epithelial-mesenchymal transition and inhibits migration, invasion, and angiogenic signaling in breast cancer cells reprogrammed by miR-302/367. Therefore, aspirin may serve as a useful adjuvant for reprogramming of cancer cells.
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Affiliation(s)
- Mohammad A Rezania
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Azadeh Eghtedari
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Masoumeh F Taha
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | | | - Arash Javeri
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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6
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Feng C, Xiang T, Yi Z, Meng X, Chu X, Huang G, Zhao X, Chen F, Xiong B, Feng J. A Deep-Learning Model With the Attention Mechanism Could Rigorously Predict Survivals in Neuroblastoma. Front Oncol 2021; 11:653863. [PMID: 34336652 PMCID: PMC8317851 DOI: 10.3389/fonc.2021.653863] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 06/24/2021] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Neuroblastoma is one of the most devastating forms of childhood cancer. Despite large amounts of attempts in precise survival prediction in neuroblastoma, the prediction efficacy remains to be improved. METHODS Here, we applied a deep-learning (DL) model with the attention mechanism to predict survivals in neuroblastoma. We utilized 2 groups of features separated from 172 genes, to train 2 deep neural networks and combined them by the attention mechanism. RESULTS This classifier could accurately predict survivals, with areas under the curve of receiver operating characteristic (ROC) curves and time-dependent ROC reaching 0.968 and 0.974 in the training set respectively. The accuracy of the model was further confirmed in a validation cohort. Importantly, the two feature groups were mapped to two groups of patients, which were prognostic in Kaplan-Meier curves. Biological analyses showed that they exhibited diverse molecular backgrounds which could be linked to the prognosis of the patients. CONCLUSIONS In this study, we applied artificial intelligence methods to improve the accuracy of neuroblastoma survival prediction based on gene expression and provide explanations for better understanding of the molecular mechanisms underlying neuroblastoma.
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Affiliation(s)
- Chenzhao Feng
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tianyu Xiang
- Department of Control Science and Engineering, College of Electronics and Information Engineering, Tongji University, Shanghai, China
- State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, China
| | - Zixuan Yi
- School of Mathematics and Statistics, College of Arts and Sciences, Wuhan University, Wuhan, China
| | - Xinyao Meng
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xufeng Chu
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Guiyang Huang
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiang Zhao
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Feng Chen
- Department of Pediatric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Bo Xiong
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiexiong Feng
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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7
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Chen B, Song L, Nie X, Lin F, Yu Z, Kong W, Qi X, Wang W. CXCL1 Regulated by miR-302e Is Involved in Cell Viability and Motility of Colorectal Cancer via Inhibiting JAK-STAT Signaling Pathway. Front Oncol 2021; 10:577229. [PMID: 34079750 PMCID: PMC8166233 DOI: 10.3389/fonc.2020.577229] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 12/17/2020] [Indexed: 12/24/2022] Open
Abstract
PURPOSE This study made a systemic description for the CXCL1-dependent regulatory mechanism in colorectal cancer (CRC). METHODS Bioinformatics methods were applied to obtain target mRNA CXCL1 and corresponding upstream miRNA. qRT-PCR and Western blot were performed to measure the levels of CXCL1 and miR-302e in CRC tissue and cells. Experiments including CCK-8, wound healing assay, Transwell invasion assay, and flow cytometry were conducted to assess cell biological behaviors. Dual-luciferase reporter assay was carried out for verification of the targeting relationship between CXCL1 and miR-302e. The inhibitor AG490 of JAK-STAT signaling pathway was used to identify the functional mechanism of CXCL1/JAK-STAT underlying progression of CRC, and tumor xenograft experiments were performed for further validation. RESULTS CXCL1 was highly expressed in CRC tissue and cells, while miR-302e was poorly expressed. Silencing CXCL1 or overexpressing miR-302e could lead to inhibition of cell proliferation, migration, invasion but promotion of cell apoptosis of CRC. Besides, CXCL1 was identified as a direct target of miR-302e, and CXCL1 could reverse the effect of miR-302e on cell proliferation, migration, invasion, and apoptosis. Furthermore, CXCL1 functioned on CRC cell biological behaviors via activation of JAK-STAT signaling pathway. CONCLUSION CXCL1 could be regulated by miR-302e to inactivate JAK-STAT signaling pathway, in turn affecting cell proliferation, migration, invasion, and apoptosis of CRC. Our result provides a potential therapeutic target for CRC treatment.
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Affiliation(s)
- Biyin Chen
- Department of Oncology, The Third Affiliated People’s Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Li Song
- Department of Oncology, The Third Affiliated People’s Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Xiuzhen Nie
- Department of Oncology, The Third Affiliated People’s Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Fangfeng Lin
- Department of Oncology, The Third Affiliated People’s Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Zongyang Yu
- Department of Pulmonary and Critical Care Medicine, The 900th Hospital of Joint Logistic Support Force, PLA, Fuzhou, China
| | - Wencui Kong
- Department of Pulmonary and Critical Care Medicine, The 900th Hospital of Joint Logistic Support Force, PLA, Fuzhou, China
| | - Xiaoyan Qi
- Department of Oncology, Zibo Central Hospital, Zibo, China
| | - Wenwu Wang
- Department of Oncology, The Third Affiliated People’s Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China
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8
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Xie N, Pan Y, Wu J, Bai Y, Xiao C, Gao X, Wang J, Liu N. MicroRNA-302s Might Regulate ARL4C-Mediated Gastric Cancer Progression via p53 Signaling: Bioinformatics Analysis and Experiments Validation. Onco Targets Ther 2021; 14:2541-2553. [PMID: 33880033 PMCID: PMC8053516 DOI: 10.2147/ott.s282992] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 01/18/2021] [Indexed: 11/23/2022] Open
Abstract
Background Our previous studies demonstrate that ARL4C is the most critical clinical biomarker for gastric cancer (GC) patients among ARL family members (ARLs) and functions as an oncogene in GC. However, its underlying mechanisms in GC need to be further illustrated. In this study, we aim to explore the upstream and downstream molecular mechanisms of ARL4C in GC cells. Methods The genetic alteration of ARL4C in GC is analyzed by cBioPortal database. Potential ARL4C-targeted microRNAs (miRs) are predicted by three databases. The high-throughput RNA sequencing is performed to explore the underlying mechanisms of ARL4C in GC cells. The effects of predicted microRNAs on ARL4C, the RNA-sequencing results validation and the biological functions of ARL4C in GC cells are illustrated by in vitro experiments. Results Genetic analyses indicate that ARL4C is significantly upregulated in GC, which is not caused by gene amplification. MicroRNAs prediction shows the high relevance between ARL4C and miR-302 members. Moreover, miR-302c or miR-302d transfection reduces ARL4C protein expression in GC cells. Based on the high-throughput RNA sequencing of ARL4C-knockdown cells, enrichment analyses demonstrate that ARL4C is closely related to cell growth and involved in p53 signaling. Moreover, there are strong gene–gene interactions between ARL4C and genes in p53 signaling, and ARL4C downregulation could inhibit the protein expression of MDM2, a critical gene in p53 pathway. Further functional experiments demonstrate that ARL4C silencing leads to cell cycle arrest and increased cell apoptosis in AGS and MKN45 cells. Conclusion Our data suggest that miR-302c and miR-302d may function as the upstream regulators of ARL4C. And, ARL4C might promote GC cell cycle progression via regulating p53 signaling. Our findings provide novel insights into the key role of ARL4C and the underlying mechanisms in GC progression, thus facilitating the development of ARL4C-targeted therapy.
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Affiliation(s)
- Ning Xie
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.,Shaanxi Key Laboratory of Gastrointestinal Motility Disorders, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Yifei Pan
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, University of Tokyo, Kashiwa, Japan
| | - Jian Wu
- Xijing Hospital of Digestive Diseases, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Yunfan Bai
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, University of Tokyo, Kashiwa, Japan
| | - Cailan Xiao
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.,Shaanxi Key Laboratory of Gastrointestinal Motility Disorders, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Xiaoliang Gao
- Xijing Hospital of Digestive Diseases, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Jinhai Wang
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.,Shaanxi Key Laboratory of Gastrointestinal Motility Disorders, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Na Liu
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.,Shaanxi Key Laboratory of Gastrointestinal Motility Disorders, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
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9
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Hypoxia and Extracellular Acidification as Drivers of Melanoma Progression and Drug Resistance. Cells 2021; 10:cells10040862. [PMID: 33918883 PMCID: PMC8070386 DOI: 10.3390/cells10040862] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/31/2021] [Accepted: 04/07/2021] [Indexed: 12/15/2022] Open
Abstract
Hypoxia and elevated extracellular acidification are prevalent features of solid tumors and they are often shown to facilitate cancer progression and drug resistance. In this review, we have compiled recent and most relevant research pertaining to the role of hypoxia and acidification in melanoma growth, invasiveness, and response to therapy. Melanoma represents a highly aggressive and heterogeneous type of skin cancer. Currently employed treatments, including BRAF V600E inhibitors and immune therapy, often are not effective due to a rapidly developing drug resistance. A variety of intracellular mechanisms impeding the treatment were discovered. However, the tumor microenvironment encompassing stromal and immune cells, extracellular matrix, and physicochemical conditions such as oxygen level or acidity, may also influence the therapy effectiveness. Hypoxia and acidification are able to reprogram the metabolism of melanoma cells, enhance their survival and invasiveness, as well as promote the immunosuppressive environment. For this reason, these physicochemical features of the melanoma niche and signaling pathways related to them emerge as potential therapeutic targets.
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10
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Hu F, Li M, Mo L, Xiao Y, Wang X, Xie B. SOX-17 is involved in invasion and apoptosis of colorectal cancer cells through regulating miR-302b-3p expression. Cell Biol Int 2021; 45:1296-1305. [PMID: 33739578 DOI: 10.1002/cbin.11594] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 01/21/2021] [Accepted: 02/07/2021] [Indexed: 01/16/2023]
Abstract
The prognosis of advanced colorectal cancer (CRC) is currently still very poor, which suggests that the biological mechanisms of CRC oncogenesis are not fully understood. This study was conducted to explore the regulatory effect of SOX-17 on the expression of microRNA (miR)-302b-3p, and the involvement of SOX-17 in the invasion and apoptosis of CRC cells. The expression of SOX-17 and miR-302a,b,c,d-3p in colorectal cancer and normal colon epithelial cell lines was measured by real-time polymerase chain reaction and/or western blot. The regulatory effects of SOX-17 on miR-302b-3p gene in HT29 and LoVo cells were tested using the ChiP assay. The biological activities of SOX-17 and miR-302b-3p were evaluated by invasion and apoptosis assay. Results showed that transfection of SOX-17 small interfering RNA (siSOX-17) significantly increased, whereas transfection of SOX-17 overexpression vector (oeSOX-17) significantly decreased, miR-302b expression in HT29 and LoVo cells. Cotransfection of oeSOX-17 and miR-302b-3p inhibitor (INmiR-302b) significantly blocked the effects of SOX-17 in HT29 and LoVo cells. ChIP experiments showed that SOX-17 bonded to the miR-302b-3p promoter in HT29 and LoVo cells. Transfection of oeSOX-17 and miR-302b-3p mimics (MImiR-302b) significantly decreased, whereas transfection of siSOX-17 and INmiR-302b significantly increased, the invasion of HT29 and LoVo cells. In contrast, transfection of oeSOX-17 and MImiR-302b significantly increased, while transfection of siSOX-17 and INmiR-302b significantly decreased, apoptosis in HT29 and LoVo cells. Cotransfection of oeSOX-17 and INmiR-302b significantly blocked the effects of oeSOX-17 on cell invasion and apoptosis in HT29 and LoVo cells. These results suggested that SOX-17 can bind to the promoter of miR-302b-3p gene to regulate its expression, while both SOX-17 and miR-302b regulate the invasion and apoptosis in colorectal cancer cells.
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Affiliation(s)
- Fan Hu
- Department One of Anorectal Surgery, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Mei Li
- Department One of Anorectal Surgery, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Li Mo
- Department One of Anorectal Surgery, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - You Xiao
- Department One of Anorectal Surgery, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Xiaoyan Wang
- Department One of Anorectal Surgery, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Biao Xie
- Department One of Anorectal Surgery, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
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11
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Sun S, Wang J, Liu J, Yin F, Xin C, Zeng X, Li J, Chen Q. MiR-302b Suppresses Tumor Metastasis by Targeting Frizzled 6 in OSCC. J Dent Res 2021; 100:739-745. [PMID: 33478325 DOI: 10.1177/0022034520986551] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Oral squamous cell carcinoma (OSCC) accounts for approximately 90% of malignant epithelial tumors of the oral and maxillofacial region. OSCC has high rate of metastasis and poor prognosis. Tobacco and/or alcohol consumption and human papillomavirus infection are relatively exact susceptibility factors for OSCC, but the specific process of oral mucosal carcinogenesis and progression is very complicated. microRNA-302b (miR-302b) could regulate various characteristics of many tumor cells, such as proliferation and apoptosis, but its role and mechanism in OSCC have not been reported. This research aims to study the effect of miR-302b on the invasion and migration ability of OSCC and the mechanism by which it functions as well as to identify new prognostic indicators and therapeutic targets for OSCC patients. Functional studies showed that the miR-302b level was negatively correlated with the invasion and migration ability of OSCC. The studies also showed that the overexpression of miR-302b could attenuate the invasion and migration ability of OSCC cells and reduce lymphangiogenesis and the lung metastasis rate of OSCC cells in a mouse model. Mechanistic studies were performed by quantitative polymerase chain reactions, luciferase assays, and RNA pull-down experiments. The results verified that frizzled class receptor 6 (FZD6) is a target gene of miR-302b in OSCC that could promote cell invasion and migration. Clinical studies demonstrate that the protein expression level of FZD6 was higher in OSCC and metastatic lymph nodes than in normal oral mucosa epithelium. Taken together, these data showed that miR-302b could inhibit the invasion and migration ability of OSCC cells by targeting and downregulating FZD6, thereby inhibiting OSCC metastasis. As a new target gene of miR-302b, FZD6 has the potential to become a prognostic and therapeutic target for OSCC patients.
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Affiliation(s)
- S Sun
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - J Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - J Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China.,Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - F Yin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - C Xin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - X Zeng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - J Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Q Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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12
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Alemohammad H, Asadzadeh Z, Motafakker Azad R, Hemmat N, Najafzadeh B, Vasefifar P, Najafi S, Baradaran B. Signaling pathways and microRNAs, the orchestrators of NANOG activity during cancer induction. Life Sci 2020; 260:118337. [PMID: 32841661 DOI: 10.1016/j.lfs.2020.118337] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/18/2020] [Accepted: 08/20/2020] [Indexed: 12/12/2022]
Abstract
Cancer stem cells (CSCs) are a small part of cancer cells inside the tumor that have similar characteristics to normal stem cells. CSCs stimulate tumor initiation and progression in a variety of cancers. Several transcription factors such as NANOG, SOX2, and OCT4 maintain the characteristics of CSCs and their upregulation is seen in many malignancies resulting in increased metastasis, invasion, and recurrence. Among these factors, NANOG plays an important role in regulating the self-renewal and pluripotency of CSCs and the clinical significance of NANOG has been suggested as a marker of CSCs in many cancers. The up and down-regulation of NANOG is associated with several important signaling pathways, including JAK/STAT, Wnt/β-catenin, Notch, TGF-β, Hedgehog, and several microRNAs (miRNAs). In this review, we will investigate the function of NANOG in CSCs and the molecular mechanism of its regulation by signaling pathways and miRNAs. We will also investigate targeting NANOG with different techniques, which is a promising treatment strategy for cancer treatment.
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Affiliation(s)
- Hajar Alemohammad
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Zahra Asadzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Nima Hemmat
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Basira Najafzadeh
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Parisa Vasefifar
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Souzan Najafi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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13
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Ge T, Liu T, Guo L, Chen Z, Lou G. MicroRNA-302 represses epithelial-mesenchymal transition and cisplatin resistance by regulating ATAD2 in ovarian carcinoma. Exp Cell Res 2020; 396:112241. [PMID: 32835657 DOI: 10.1016/j.yexcr.2020.112241] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 08/07/2020] [Accepted: 08/18/2020] [Indexed: 12/21/2022]
Abstract
Epithelial-mesenchymal transition (EMT) is an important contributor to drug resistance in ovarian cancer. The aims of this study were to explore the potential role of the miR-302 cluster in modulating EMT and cisplatin resistance in ovarian cancer. We used qRT-PCR and western blotting to show that miR-302 expression was lower in chemoresistant than in chemosensitive cells, and miR-302 was upregulated in chemosensitive, but not chemoresistant ovarian cancer cells in response to cisplatin treatment. We identified ATAD2 as a target of miR-302 and showed that ectopic expression of miR-302 increased cisplatin sensitivity and inhibited EMT and the invasiveness of cisplatin-resistant cells in vitro by targeting ATAD2. Knockdown of ATAD2 restored cisplatin sensitivity and reversed EMT/metastasis in cisplatin-resistant cells, as shown by western blotting and invasion/migration assays. The effect of miR-302 overexpression on EMT and invasiveness was mediated by the modulation of β-catenin nuclear expression. Immunofluorescence analysis showed that ATAD2 overexpression reversed the miR-302-induced downregulation of nuclear β-catenin in cisplatin resistant cells. A xenograft tumor model was used to show that miR-302 increases the antitumor effect of cisplatin in vivo. Taken together, these results identify a potential regulatory axis involving miR-302 and ATAD2 with a role in chemoresistance, indicating that activation of miR-302 or inactivation of ATAD2 could serve as a novel approach to reverse cisplatin resistance in ovarian cancer.
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Affiliation(s)
- Tingting Ge
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Tianbo Liu
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Liyuan Guo
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Zhuo Chen
- Department of Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Ge Lou
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, China.
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14
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Wang J, Chen S. RACK1 promotes miR-302b/c/d-3p expression and inhibits CCNO expression to induce cell apoptosis in cervical squamous cell carcinoma. Cancer Cell Int 2020; 20:385. [PMID: 32792866 PMCID: PMC7418423 DOI: 10.1186/s12935-020-01435-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 07/18/2020] [Indexed: 02/06/2023] Open
Abstract
Background Cervical squamous cell carcinoma (CSCC) is one of the main causes of cancer-related deaths in women worldwide. The present study was conducted with the main objective of determining the potential role of receptor for activated protein kinase C1 (RACK1) in CSCC through regulation of microRNA (miR)-302b/c/d-3p and Cyclin O (CCNO). Methods The expression of RACK1, miR-302b/c/d-3p and CCNO in CSCC tissues and cells was measured by RT-qPCR and Western blot analysis. The interaction among RACK1, miR-302b/c/d-3p, and CCNO was determined by dual luciferase reporter assay. Subsequently, effects of RACK1, miR-302b/c/d-3p and CCNO on CSCC cell cycle entry, proliferation and apoptosis were investigated with the use of flow cytometry, EdU, and TUNEL assays. Furthermore, mouse xenograft model of CSCC cells was established to verify the function of RACK1 in vivo. Results RACK1 and miR-302b/c/d-3p were down-regulated and CCNO was overexpressed in CSCC. CCNO was identified as the target of miR-302b/c/d-3p. Importantly, overexpressed miR-302b-3p, miR-302c-3p or miR-302d-3p or RACK1 enhanced the apoptosis and suppressed the proliferation of CSCC cells in vitro, while inhibiting tumor growth in vivo by targeting CCNO. Conclusions On all accounts, overexpressed RACK1 could dampen the progression of CSCC through miR-302b/c/d-3p-mediated CCNO inhibition.
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Affiliation(s)
- Jing Wang
- Department of Gynaecology, Affiliated Hospital of Youjiang Medical University for Nationalities, No. 18, Zhongshan Second Road, Youjiang District, Baise, Guangxi Zhuang Autonomous Region 533000 People's Republic of China
| | - Shengcai Chen
- Department of Gynaecology, Affiliated Hospital of Youjiang Medical University for Nationalities, No. 18, Zhongshan Second Road, Youjiang District, Baise, Guangxi Zhuang Autonomous Region 533000 People's Republic of China
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15
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Guo M, Gan L, Si J, Zhang J, Liu Z, Zhao J, Gou Z, Zhang H. Role of miR-302/367 cluster in human physiology and pathophysiology. Acta Biochim Biophys Sin (Shanghai) 2020; 52:791-800. [PMID: 32785592 DOI: 10.1093/abbs/gmaa065] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 05/22/2020] [Accepted: 12/26/2019] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that negatively regulate target mRNAs at the post-transcriptional level. Increasing evidence shows the involvement of miRNAs in diverse biological processes. miR-302/367 cluster is highly conserved among vertebrates and made up of five members, including miR-367, miR-302a, miR-302b, miR-302c and miR-302d. miR-302/367 cluster plays an important role in cell proliferation, differentiation and reprogramming, affecting the development of tumor, cardiovascular system, nervous system and immune system. In this review, we will summarize the role of miR-302/367 cluster in embryonic stem cells and induced pluripotent stem cells and try to point out its relationship with tumors, cardiovascular system, nervous system and immune system.
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Affiliation(s)
- Menghuan Guo
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Lu Gan
- Bio-Medical Research Center, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jing Si
- Bio-Medical Research Center, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinhua Zhang
- Bio-Medical Research Center, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhiyuan Liu
- School of Chemical Engineering, Northwest Minzu University, Lanzhou 730030, China
| | - Jin Zhao
- Medical College, Northwest Minzu University, Lanzhou 730030, China
| | - Zhong Gou
- Medical College, Northwest Minzu University, Lanzhou 730030, China
| | - Hong Zhang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
- Bio-Medical Research Center, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
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16
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Hoseinbeyki M, Taha MF, Javeri A. miR-16 enhances miR-302/367-induced reprogramming and tumor suppression in breast cancer cells. IUBMB Life 2020; 72:1075-1086. [PMID: 32057163 DOI: 10.1002/iub.2249] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 01/31/2020] [Indexed: 12/24/2022]
Abstract
Overexpression of either miR-302 or miR-302/367 cluster induces reprogramming of cancer cells and exerts tumor-suppressive effects by induction of mesenchymal-to-epithelial transition, apoptosis and a less proliferative capacity. Several reports have described miR-16 as a tumor suppressor microRNA (miRNA). Here, we studied the impact of exogenous induction of miR-16 in MDA-MB-231 and SK-BR-3 breast cancer cells following overexpression of miR-302/367 cluster and investigated whether transfection of these cells by a mature miR-16 mimic could affect the reprogramming state of the cells and their tumorigenicity. miR-16 enhanced the expression levels of OCT4A, SOX2, and NANOG, generally known as transcription or pluripotency factors, and suppressed proliferation and invasiveness of these cells. Meanwhile, inhibition of miR-16 counteracted both the reprogramming effect and the antitumor function of miR-302/367 in the breast cancer cells. Current results indicate that miR-16 can work as an adjuvant to improve both cancer cell reprogramming and tumor-suppressive function of miR-302/367 cluster in MDA-MB-231 and SK-BR-3 cells, while its inhibition counteracts all of these effects. Combined application of miRNAs that share some common targets in cancer cell signaling pathways may provide new approaches for repression of multiple hallmarks of cancer.
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Affiliation(s)
- Moslem Hoseinbeyki
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Masoumeh F Taha
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Arash Javeri
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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17
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Liu J, Wang Y, Ji P, Jin X. Application of the microRNA-302/367 cluster in cancer therapy. Cancer Sci 2020; 111:1065-1075. [PMID: 31957939 PMCID: PMC7156871 DOI: 10.1111/cas.14317] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 01/06/2020] [Accepted: 01/09/2020] [Indexed: 02/05/2023] Open
Abstract
As a novel class of noncoding RNAs, microRNAs (miRNAs) can effectively silence their target genes at the posttranscriptional level. Various biological processes, such as cell proliferation, differentiation, and motility, are regulated by miRNAs. In different diseases and different stages of disease, miRNAs have various expression patterns, which makes them candidate prognostic markers and therapeutic targets. Abnormal miRNA expression has been detected in numerous neoplastic diseases in humans, which indicates the potential role of miRNAs in tumorigenesis. Previous studies have indicated that miRNAs are involved in nearly the entire process of tumor development. MicroRNA‐302a, miR‐302b, miR‐302c, miR‐302d, and miR‐367 are members of the miR‐302/367 cluster that plays various biological roles in diverse neoplastic diseases by targeting different genes. These miRNAs have been implicated in several unique characteristics of cancer, including the evasion of growth suppressors, the sustained activation of proliferative signaling, the evasion of cell death and senescence, and the regulation of angiogenesis, invasion, and metastasis. This review provides a critical overview of miR‐302/367 cluster dysregulation and the subsequent effects in cancer and highlights the vast potential of members of this cluster as therapeutic targets and novel biomarkers.
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Affiliation(s)
- Jiajia Liu
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, China
| | - Ying Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ping Ji
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, China
| | - Xin Jin
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, China
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18
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Sastre D, Baiochi J, de Souza Lima IM, Canto de Souza F, Corveloni AC, Thomé CH, Faça VM, Schiavinato JLDS, Covas DT, Panepucci RA. Focused screening reveals functional effects of microRNAs differentially expressed in colorectal cancer. BMC Cancer 2019; 19:1239. [PMID: 31864341 PMCID: PMC6925883 DOI: 10.1186/s12885-019-6468-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 12/16/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Colorectal cancer (CRC) is still a leading cause of death worldwide. Recent studies have pointed to an important role of microRNAs in carcinogenesis. Several microRNAs are described as aberrantly expressed in CRC tissues and in the serum of patients. However, functional outcomes of microRNA aberrant expression still need to be explored at the cellular level. Here, we aimed to investigate the effects of microRNAs aberrantly expressed in CRC samples in the proliferation and cell death of a CRC cell line. METHODS We transfected 31 microRNA mimics into HCT116 cells. Total number of live propidium iodide negative (PI-) and dead (PI+) cells were measured 4 days post-transfection by using a high content screening (HCS) approach. HCS was further used to evaluate apoptosis (via Annexin V and PI staining), and to discern between intrinsic and extrinsic apoptotic pathways, by detecting cleaved Caspase 9 and 8, respectively. To reveal mRNA targets and potentially involved mechanisms, we performed microarray gene expression and functional pathway enrichment analysis. Quantitative PCR and western blot were used to validate potential mRNA targets. RESULTS Twenty microRNAs altered the proliferation of HCT116 cells in comparison to control. miR-22-3p, miR-24-3p, and miR-101-3p significantly repressed cell proliferation and induced cell death. Interestingly, all anti-proliferative microRNAs in our study had been previously described as poorly expressed in the CRC samples. Predicted miR-101-3p targets that were also downregulated by in our microarray were enriched for genes associated with Wnt and cancer pathways, including MCL-1, a member of the BCL-2 family, involved in apoptosis. Interestingly, miR-101-3p preferentially downregulated the long anti-apoptotic MCL-1 L isoform, and reduced cell survival specifically by activating the intrinsic apoptosis pathway. Moreover, miR-101-3p also downregulated IL6ST, STAT3A/B, and MYC mRNA levels, genes associated with stemness properties of CRC cells. CONCLUSIONS microRNAs upregulated in CRC tend to induce proliferation in vitro, whereas microRNAs poorly expressed in CRC halt proliferation and induce cell death. We provide novel evidence linking preferential inhibition of the anti-apoptotic MCL-1 L isoform by miR-101-3p and consequent activation of the intrinsic apoptotic pathway as potential mechanisms for its antitumoral activity, likely due to the inhibition of the IL-6/JAK/STAT signaling pathway.
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Affiliation(s)
- Danuta Sastre
- Laboratory of Human and Medical Genetics, Federal University of Pará, Rua Augusto Corrêa, 01. Guamá., Belém, Pará CEP 66075-110 Brazil
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - João Baiochi
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Ildercilio Mota de Souza Lima
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Felipe Canto de Souza
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Amanda Cristina Corveloni
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Carolina Hassib Thomé
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo (USP), Av. Bandeirantes, 3900 - Vila Monte Alegre, Ribeirão Preto, SP 14049-900 Brazil
| | - Vitor Marcel Faça
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo (USP), Av. Bandeirantes, 3900 - Vila Monte Alegre, Ribeirão Preto, SP 14049-900 Brazil
| | - Josiane Lilian dos Santos Schiavinato
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Dimas Tadeu Covas
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
| | - Rodrigo Alexandre Panepucci
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center, Ribeirao Preto Medical School, University of São Paulo (USP), R. Ten. Catão Roxo, 2501., Ribeirão Preto, SP 14051-140 Brazil
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19
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Boscaino V, Fiannaca A, La Paglia L, La Rosa M, Rizzo R, Urso A. MiRNA therapeutics based on logic circuits of biological pathways. BMC Bioinformatics 2019; 20:344. [PMID: 31757209 PMCID: PMC6873406 DOI: 10.1186/s12859-019-2881-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 05/07/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND In silico experiments, with the aid of computer simulation, speed up the process of in vitro or in vivo experiments. Cancer therapy design is often based on signalling pathway. MicroRNAs (miRNA) are small non-coding RNA molecules. In several kinds of diseases, including cancer, hepatitis and cardiovascular diseases, they are often deregulated, acting as oncogenes or tumor suppressors. miRNA therapeutics is based on two main kinds of molecules injection: miRNA mimics, which consists of injection of molecules that mimic the targeted miRNA, and antagomiR, which consists of injection of molecules inhibiting the targeted miRNA. Nowadays, the research is focused on miRNA therapeutics. This paper addresses cancer related signalling pathways to investigate miRNA therapeutics. RESULTS In order to prove our approach, we present two different case studies: non-small cell lung cancer and melanoma. KEGG signalling pathways are modelled by a digital circuit. A logic value of 1 is linked to the expression of the corresponding gene. A logic value of 0 is linked to the absence (not expressed) gene. All possible relationships provided by a signalling pathway are modelled by logic gates. Mutations, derived according to the literature, are introduced and modelled as well. The modelling approach and analysis are widely discussed within the paper. MiRNA therapeutics is investigated by the digital circuit analysis. The most effective miRNA and combination of miRNAs, in terms of reduction of pathogenic conditions, are obtained. A discussion of obtained results in comparison with literature data is provided. Results are confirmed by existing data. CONCLUSIONS The proposed study is based on drug discovery and miRNA therapeutics and uses a digital circuit simulation of a cancer pathway. Using this simulation, the most effective combination of drugs and miRNAs for mutated cancer therapy design are obtained and these results were validated by the literature. The proposed modelling and analysis approach can be applied to each human disease, starting from the corresponding signalling pathway.
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Affiliation(s)
- Valeria Boscaino
- CNR-ICAR, National Research Council of Italy, via Ugo La Malfa 153, Palermo, 90146, Italy
| | - Antonino Fiannaca
- CNR-ICAR, National Research Council of Italy, via Ugo La Malfa 153, Palermo, 90146, Italy
| | - Laura La Paglia
- CNR-ICAR, National Research Council of Italy, via Ugo La Malfa 153, Palermo, 90146, Italy
| | - Massimo La Rosa
- CNR-ICAR, National Research Council of Italy, via Ugo La Malfa 153, Palermo, 90146, Italy.
| | - Riccardo Rizzo
- CNR-ICAR, National Research Council of Italy, via Ugo La Malfa 153, Palermo, 90146, Italy
| | - Alfonso Urso
- CNR-ICAR, National Research Council of Italy, via Ugo La Malfa 153, Palermo, 90146, Italy
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20
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Nilforoushzadeh MA, Amirkhani MA, Hamidieh AA, Seifalian AM, Sisakht MM. Skin regenerative medicine advancements in the Islamic Republic of Iran: a concise review. Regen Med 2019; 14:1047-1056. [PMID: 31718464 DOI: 10.2217/rme-2018-0170] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
In the last decade, the Islamic Republic of Iran has witnessed significant improvement and growth in the field of interdisciplinary medicine and in its translation to patients, including the field of cell and stem cell therapy. The main aim of this report is to highlight various advances in regenerative medicine for skin and dermatology using stem cell technology, and its translation to clinic in the past two decades, in Iranian academic centers, clinical institutes and hospitals. While there have been numerous positive advances in clinical outcomes reported in Iran, there is no comparative analytical information on these studies. Here we present a historical overview of the progress and key advancements seen in skin regeneration in this country, review the research frameworks, regulatory approach and pathways and offer perspectives for the future.
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Affiliation(s)
| | - Mohammad Amir Amirkhani
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Stem Cell and Regenerative Medicine Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Ali Hamidieh
- Stem Cell and Regenerative Medicine Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran.,Pediatric Stem Cell Transplant Department, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Alexander M Seifalian
- Nanotechnology and Regenerative Medicine Commercialization Centre (Ltd), The London Bioscience Innovation Centre, London, UK
| | - Mahsa Mollapour Sisakht
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Stem Cell and Regenerative Medicine Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
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21
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Wang LL, Zong ZH, Liu Y, Guan X, Chen S, Zhao Y. CircRhoC promotes tumorigenicity and progression in ovarian cancer by functioning as a miR-302e sponge to positively regulate VEGFA. J Cell Mol Med 2019; 23:8472-8481. [PMID: 31639291 PMCID: PMC6850961 DOI: 10.1111/jcmm.14736] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 08/30/2019] [Accepted: 09/18/2019] [Indexed: 01/19/2023] Open
Abstract
Ovarian cancer is a leading cause of deaths due to gynaecological malignancy. While endogenous non‐coding circular RNAs (circRNAs) in cancer have attracted attention, their roles in ovarian cancer are not known. We used qRT‐PCR to quantify expression of circRhoC in ovarian cancer tissues and normal tissues. The effects of overexpressing or destruction of circRhoC on the phenotype of ovarian cancer cells were assessed both in vitro and in vivo. Dual‐luciferase reporter assay assesses the microRNA sponge function of circRhoC. Western blotting was used to confirm the effects of circRhoC and microRNA on target gene expression. Our results showed that circRhoC was significantly up‐regulated in ovarian cancer tissues compared to normal ovarian tissues. Overexpression of circRhoC in CAOV3 ovarian cancer cell increased cell viability, migration and invasion ability; destroying circRhoC in A2780 had the opposite effects and inhibited ovarian tumour cell A2780 dissemination in the peritoneum in vivo. We confirmed circRhoC functions as a sponge for miR‐302e to positively regulate VEGFA; FISH experiments showed that circRhoC could co‐focal with miR‐302e; besides, overexpression of miR‐302e reversed the ability of circRhoC to positively regulate VEGFA, and what's more, RIP assay showed that circRhoC could directly bind with VEGFA; besides, VEGFA expression level in ovarian cancer tissues was positively associated with circRhoC expression. In conclusion, the oncogenic effect of RhoC in ovarian cancer is at least in part due to circRhoC, which functions not only as a miR‐302e sponge to positively regulate VEGFA protein expression, but may also directly bind and modulate VEGFA expression.
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Affiliation(s)
- Li-Li Wang
- Department of Gynecologic Oncology Research Office, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Department of Gynecology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institute in Guangdong Province, Guangzhou, China
| | - Zhi-Hong Zong
- Department of Gynecologic Oncology Research Office, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Department of Gynecology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institute in Guangdong Province, Guangzhou, China
| | - Yao Liu
- Department of Gynecology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xue Guan
- Department of Gynecology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Shuo Chen
- Department of Gynecologic Oncology Research Office, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Department of Gynecology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institute in Guangdong Province, Guangzhou, China
| | - Yang Zhao
- Department of Gynecologic Oncology Research Office, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Department of Gynecology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institute in Guangdong Province, Guangzhou, China
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22
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Ahmadalizadeh Khanehsar M, Hoseinbeyki M, Fakhr Taha M, Javeri A. Repression of TGF-β Signaling in Breast Cancer Cells by miR-302/367 Cluster. CELL JOURNAL 2019; 21:444-450. [PMID: 31376326 PMCID: PMC6722449 DOI: 10.22074/cellj.2020.6193] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Accepted: 11/21/2018] [Indexed: 12/15/2022]
Abstract
Objective Epigenetic alterations of the malignantly transformed cells have increasingly been regarded as an important
event in the carcinogenic development. Induction of some miRNAs such as miR-302/367 cluster has been shown
to induce reprogramming of breast cancer cells and exert a tumor suppressive role by induction of mesenchymal to
epithelial transition, apoptosis and a lower proliferation rate. Here, we aimed to investigate the impact of miR-302/367
overexpression on transforming growth factor-beta (TGF-β) signaling and how this may contribute to tumor suppressive
effects of miR-302/367 cluster.
Materials and Methods In this experimental study, MDA-MB-231 and SK-BR-3 breast cancer cells were cultured and
transfected with miR-302/367 expressing lentivector. The impact of miR-302/367 overexpression on several mediators
of TGF-β signaling and cell cycle was assessed by quantitative real-time polymerase chain reaction (qPCR) and flow
cytometry.
Results Ectopic expression of miR-302/367 cluster downregulated expression of some downstream elements of
TGF-β pathway in MDA-MB-231 and SK-BR-3 breast cancer cell lines. Overexpression of miR-302/367 cluster inhibited
proliferation of the breast cancer cells by suppressing the S-phase of cell cycle which was in accordance with inhibition
of TGF-β pathway.
Conclusion TGF-β signaling is one of the key pathways in tumor progression and a general suppression of TGF-β
mediators by the pleiotropically acting miR-302/367 cluster may be one of the important reasons for its anti-tumor
effects in breast cancer cells.
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Affiliation(s)
- Mona Ahmadalizadeh Khanehsar
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.,Department of Biology, Damghan Branch, Islamic Azad University, Damghan, Iran
| | - Moslem Hoseinbeyki
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Masoumeh Fakhr Taha
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Arash Javeri
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.Electronic Address:
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23
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Das MK, Evensen HSF, Furu K, Haugen TB. miRNA-302s may act as oncogenes in human testicular germ cell tumours. Sci Rep 2019; 9:9189. [PMID: 31235829 PMCID: PMC6591358 DOI: 10.1038/s41598-019-45573-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 06/10/2019] [Indexed: 12/19/2022] Open
Abstract
Testicular germ cell tumour (TGCT) represents the most common malignancy in young men in large parts of the world, but the aetiology is yet unclear. Multiple TGCT susceptibility loci have been identified, and we have shown that one of these, SPRY4, may act as a TGCT oncogene. Furthermore, many of the loci are in non-coding regions of the genome. miRNAs, a class of non-coding RNAs may play a crucial role in cell proliferation, differentiation, and apoptosis, and alteration in their expression may lead to oncogenesis. Differential expression of miRNAs in TGCT and normal testis has been reported in previous studies. In this study, we used qPCR to analyse, in normal and malignant testis tissue, the expression of the ten miRNAs that we had previously identified by sequencing to be the most upregulated in TGCT. We found high expression of these miRNAs also by qPCR analysis. The levels of miR-302a-3p, miR-302b-3p, and miR-302c-3p were downregulated after treatment of the TGCT cell lines NT2-D1 and 833 K with the chemotherapy drug cisplatin. By using miRNA inhibitor-mediated transient transfection, we inhibited the expression of the three members of miR-302 family (miR-302s). Inhibition of miR-302s resulted in a decreased cell proliferation in NT2-D1 cells, but not in 833 K cells. In both cell lines, inhibition of miR-302s resulted in decreased expression of SPRY4, which we have previously shown to regulate MAPK/ERK and PI3K/Akt signalling pathways in these cells. Inhibition of miR-302b-3p and miR-302c-3p decreased phosphorylation of ERK1/2, whereas inhibition of miR-302a-3p and miR-302b-3p led to decreased expression of the apoptosis inhibitor, survivin. Our findings suggest that miR-302s act as TGCT oncogenes by inducing the expression of SPRY4 and activating MAPK/ERK pathway while inhibiting apoptosis via increased survivin expression.
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Affiliation(s)
- Mrinal K Das
- Faculty of Health Sciences, OsloMet - Oslo Metropolitan University, Oslo, Norway.
| | - Herman S F Evensen
- Faculty of Health Sciences, OsloMet - Oslo Metropolitan University, Oslo, Norway
| | - Kari Furu
- Faculty of Health Sciences, OsloMet - Oslo Metropolitan University, Oslo, Norway.,Cancer Registry, Oslo, Norway
| | - Trine B Haugen
- Faculty of Health Sciences, OsloMet - Oslo Metropolitan University, Oslo, Norway
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24
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Chen EYY, Chen JS, Ying SY. The microRNA and the perspectives of miR-302. Heliyon 2019; 5:e01167. [PMID: 30723835 PMCID: PMC6351428 DOI: 10.1016/j.heliyon.2019.e01167] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 12/18/2018] [Accepted: 01/22/2019] [Indexed: 12/24/2022] Open
Abstract
MiRNAs are naturally occurring, small, non-coding RNA molecules that post-transcriptionally regulate the expression of a large number of genes involved in various biological processes, either through mRNA degradation or through translation inhibition. MiRNAs play important roles in many aspects of physiology and pathology throughout the body, particularly in cancer, which have made miRNAs attractive tools and targets for translational research. The types of non-coding RNAs, biogenesis of miRNAs, circulating miRNAs, and direct delivery of miRNA were briefly reviewed. As a case of point, the role and perspective of miR-302, a family of ES-specific miRNA, on cancer, iPSCs, heart disease were presented.
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Affiliation(s)
- Emily Yen Yu Chen
- Department of Integrative Anatomical Sciences, Keck School of Medicine, BMT-403, University of Southern California, 1333 San Pablo Street, Los Angeles, CA 90033, USA
- WJWU & LYNN Institute for Stem Cell Research, Santa Fe Springs, CA 90670, USA
| | - Jack S. Chen
- WJWU & LYNN Institute for Stem Cell Research, Santa Fe Springs, CA 90670, USA
| | - Shao-Yao Ying
- Department of Integrative Anatomical Sciences, Keck School of Medicine, BMT-403, University of Southern California, 1333 San Pablo Street, Los Angeles, CA 90033, USA
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25
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Ramezankhani B, Taha MF, Javeri A. Vitamin C counteracts miR-302/367-induced reprogramming of human breast cancer cells and restores their invasive and proliferative capacity. J Cell Physiol 2018; 234:2672-2682. [PMID: 30191953 DOI: 10.1002/jcp.27081] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 06/29/2018] [Indexed: 12/21/2022]
Abstract
Epigenetic reprogramming by embryonic stem cell-specific miR-302/367 cluster has shown some tumor suppressive effects in cancer cells of different tissues such as skin, colon, and cervix. Vitamin C has been known as a reprogramming enhancer of human and mouse somatic cells. In this study, first we aimed to investigate whether exogenous induction of miR-302/367 in breast cancer cells shows the same tumor suppressive effects previously observed in other cancer cells lines, and whether vitamin C can enhance reprogramming of breast cancer cells and also improve the tumor suppressive function of miR-302/367 cluster. Overexpression of miR-302/367 cluster in MDA-MB-231 and SK-BR-3 breast cancer cells upregulated expression of miR-302/367 members and also some core pluripotency factors including OCT4A, SOX2 and NANOG, induced mesenchymal to epithelial transition, suppressed invasion, proliferation, and induced apoptosis in the both cell lines. However, treatment of the miR-302/367 transfected cells with vitamin C suppressed the expression of pluripotency factors and augmented the tumorigenicity of the breast cancer cells by restoring their proliferative and invasive capacity and compromising the apoptotic effect of miR-302/367. Supplementing the culture medium with vitamin C downregulated expression of TET1 gene which seems to be the reason behind the negative impact of vitamin C on the reprogramming efficiency of miR-302/367 cluster and its anti-tumor effects. Therefore application of vitamin C may not always serve as a reprogramming enhancer depending on its switching function on TET1. This phenomenon should be carefully considered when considering a reprogramming strategy for tumor suppression.
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Affiliation(s)
- Bahareh Ramezankhani
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute for Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Masoumeh F Taha
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute for Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Arash Javeri
- Department of Stem Cells and Regenerative Medicine, Institute for Medical Biotechnology, National Institute for Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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26
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BMI1 Roles in Cancer Stem Cells and Its Association with MicroRNAs Dysregulation in Cancer: Emphasis on Colorectal Cancer. INTERNATIONAL JOURNAL OF CANCER MANAGEMENT 2018. [DOI: 10.5812/ijcm.82926] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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27
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Yang L, Shen Q, Xia Y, Lei X, Peng J. Sevoflurane‑induced neurotoxicity is driven by OXR1 post‑transcriptional downregulation involving hsa‑miR‑302e. Mol Med Rep 2018; 18:4657-4665. [PMID: 30221705 DOI: 10.3892/mmr.2018.9442] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Accepted: 04/13/2018] [Indexed: 11/05/2022] Open
Abstract
Sevoflurane is a common anesthetic agent used in surgical settings and previous studies have indicated that it exerts a neurotoxic effect. However, the molecular mechanism underlying this side effect is unknown. In addition, the human microRNA‑302 (hsa‑miR‑302) family members have been reported to be involved in neuronal cell development and biology. Thus, the present study aimed to investigate the potential implication of hsa‑miR‑302e in the sevoflurane‑induced cytotoxicity on human hippocampal cells (HN‑h). HN‑h cells were transfected with hsa‑miR‑302e mimic, hsa‑miR‑302e inhibitor or negative controls and subsequently exposed to different concentrations of sevoflurane. An MTT assay was used to assess the cytotoxicity of sevoflurane on HN‑h cells. Cell apoptosis was determined by flow cytometry. The levels of lactate dehydrogenase release, reactive oxygen species, lipid peroxidation and intracellular calcium (Ca2+) were additionally detected. Reverse transcription‑quantitative polymerase chain reaction and western blotting were conducted to determine mRNA and protein expression, respectively. A luciferase assay was performed for validating the targeting of OXR1 by hsa‑miR‑302e. The results indicated that sevoflurane induced a decrease in cell viability, malondialdehyde and reactive oxygen species production, lactate dehydrogenase release, intracellular Ca2+ production, calcium/calmodulin‑dependent protein kinase II phosphorylation and apoptosis. In addition, treatment with sevoflurane induced the expression of hsa‑miR‑302e while the expression of its target, oxidation resistance gene 1 (OXR1), was significantly downregulated. Inhibition of hsa‑miR‑302e expression protected neuronal cells from sevoflurane cytotoxicity. Mechanistic studies demonstrated that OXR1 was a direct target of hsa‑miR‑302e. Furthermore, the overexpression of OXR1 abolished the effect of sevoflurane on neuronal cells. The results of the present study indicated that sevoflurane exerts its neurotoxic effect by regulating the hsa‑miR‑302e/OXR1 axis. Therefore, the manipulation of the hsa‑miR‑302e/OXR1 pathway will be useful for preventing sevoflurane‑induced neurotoxicity.
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Affiliation(s)
- Leilei Yang
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, Hubei 430060, P.R. China
| | - Qian Shen
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, Hubei 430060, P.R. China
| | - Yanqiong Xia
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, Hubei 430060, P.R. China
| | - Xueheng Lei
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, Hubei 430060, P.R. China
| | - Jian Peng
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, Hubei 430060, P.R. China
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28
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Molecular Landscape in Alveolar Soft Part Sarcoma: Implications for Molecular Targeted Therapy. Biomed Pharmacother 2018; 103:889-896. [DOI: 10.1016/j.biopha.2018.04.117] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 04/09/2018] [Accepted: 04/16/2018] [Indexed: 12/20/2022] Open
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29
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30
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Nasr R, Hasanzadeh H, Khaleghian A, Moshtaghian A, Emadi A, Moshfegh S. Induction of Apoptosis and Inhibition of Invasion in Gastric Cancer Cells by Titanium Dioxide Nanoparticles. Oman Med J 2018; 33:111-117. [PMID: 29657679 DOI: 10.5001/omj.2018.22] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Objectives Nanoparticles induce oxidative stress in cells and damage them through the cell membrane and DNA damage, eventually resulting in cell death. This study aimed to evaluate the effect of titanium dioxide (TiO2) nanoparticles on apoptosis induction and invasion of gastric cancer cell line, MKN-45. Methods We used the MTT assay to assess proliferation of MKN-45 gastric cancer cells after exposure to different forms of TiO2 nanoparticles including amorph, brookite, anatase, and rutile coated with polyethylene glycol (PEG) and bovine serum albumin (BSA). Ethidium bromide and acridine orange staining were used to visualize cancer cell apoptosis, and the wound healing assay technique (migration test) was used to assay cancer cell invasion. Results Viability and proliferation of cancer cells in the presence of various forms of TiO2 nanoparticles were reduced (p ≤ 0.050). This reduction in cell proliferation and viability was directly related to concentration and duration of exposure to nanoparticles. Induction of cell death was seen in all groups (p ≤ 0.050). Increased cell invasion was seen in PEG-amorph TiO2 group compared to the control group. Cell invasion was decreased only in the brookite BSA group (p ≤ 0.050). Conclusions Various forms of TiO2 nanoparticles reduced cell proliferation and induced apoptosis in cancer cells. Some forms of TiO2 nanoparticles such as brookite BSA also inhibited cell invasion. PEG-amorph TiO2 nanoparticles increased cell invasion. These differences seem to be due to the effects of different configurations of TiO2 nanoparticles. TiO2 may provide a new strategy for cancer treatment and more studies are needed.
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Affiliation(s)
- Reza Nasr
- Biotechnology Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - Hadi Hasanzadeh
- Cancer Research Center and Department of Medical Physics, Semnan University of Medical Sciences, Semnan, Iran
| | - Ali Khaleghian
- Department of Biochemistry, Semnan University of Medical Sciences, Semnan, Iran
| | | | - Alireza Emadi
- Deputy of Research and Technology, Semnan University of Medical Sciences, Semnan, Iran
| | - Shima Moshfegh
- Student Research Committee and Department of Medical Physics, Semnan University of Medical Sciences, Semnan, Iran
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31
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Xia D, Tian S, Chen Z, Qin W, Liu Q. miR302a inhibits the proliferation of esophageal cancer cells through the MAPK and PI3K/Akt signaling pathways. Oncol Lett 2018; 15:3937-3943. [PMID: 29456742 DOI: 10.3892/ol.2018.7782] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 12/22/2017] [Indexed: 12/23/2022] Open
Abstract
MicroRNAs (miRNAs/miRs) are involved in the regulation of various types of cancer, either as oncogenes or tumor suppressors. miR302a has been reported that it could suppress tumor cell proliferation by inhibiting Akt in prostate cancer. The present study examined the effect of miR302a on proliferation and invasion in esophageal cancer cell lines. The expression levels of miR302a in esophageal cancer cell lines was determined by reverse transcription-polymerase chain reaction. Subsequently, miR302a mimics were transfected into esophageal cancer cells, and cell viability and invasion were assessed by MTT and Transwell assays. In addition, the effects of miR302a on the mitogen-activated protein kinase (MAPK) and phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt) signaling pathways were investigated by western blot analysis. The results revealed that miR302a expression was significantly decreased in the esophageal cancer cell lines compared with a healthy esophagus epithelium cell line. Upregulation of miR302a inhibited the proliferation and invasion of esophageal cancer cells, and decreased the phosphorylation of extracellular signal-regulated kinase 1/2 and Akt. Taken together, the results of the present study indicated that miR302a overexpression inhibited the proliferation and invasion of esophageal cancer cells through suppression of the MAPK and PI3K/Akt signaling pathways, indicating the potential value of miR302a as a treatment target for human esophageal cancer.
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Affiliation(s)
- Daokui Xia
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei 443003, P.R. China.,Department of Cardiothoracic Surgery, Yichang Central People's Hospital, Yichang, Hubei 443003, P.R. China
| | - Shumei Tian
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei 443003, P.R. China.,Department of Cardiothoracic Surgery, Yichang Central People's Hospital, Yichang, Hubei 443003, P.R. China
| | - Zhen Chen
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei 443003, P.R. China.,Department of Cardiothoracic Surgery, Yichang Central People's Hospital, Yichang, Hubei 443003, P.R. China
| | - Wenchao Qin
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei 443003, P.R. China.,Department of Cardiothoracic Surgery, Yichang Central People's Hospital, Yichang, Hubei 443003, P.R. China
| | - Quan Liu
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei 443003, P.R. China.,Department of Cardiothoracic Surgery, Yichang Central People's Hospital, Yichang, Hubei 443003, P.R. China
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32
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Wang P, Liu XM, Ding L, Zhang XJ, Ma ZL. mTOR signaling-related MicroRNAs and Cancer involvement. J Cancer 2018; 9:667-673. [PMID: 29556324 PMCID: PMC5858488 DOI: 10.7150/jca.22119] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 12/05/2017] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are a class of single-stranded RNAs, 18-23 nucleotides in length that regulate gene expression at the post-transcriptional level. Dysregulation of miRNAs has been closely associated with the development of cancer. In the process of tumorigenesis, mammalian target of rapamycin (mTOR) plays important roles, and the mTOR signaling pathway is aberrant in various types of human cancers, including non-small cell lung cancer (NSCLC), breast cancer, prostate cancer, as well as others. However, the relationship between miRNAs and the mTOR signaling pathway is indistinct. Herein, we not only summarize the progress of miRNAs and the mTOR signaling pathway in cancers, but also highlight their role in the diagnosis and treatment in the clinic.
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Affiliation(s)
- Ping Wang
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, Shanghai, 200444, China
| | - Xiao-Min Liu
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, Shanghai, 200444, China.,School of Environmental Science and Engineering, Shanghai University, Shanghai, 200444, China
| | - Lei Ding
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, Shanghai, 200444, China
| | - Xin-Ju Zhang
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, Shanghai, 200444, China
| | - Zhong-Liang Ma
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, Shanghai, 200444, China
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Ying SY, Fang W, Lin SL. The miR-302-Mediated Induction of Pluripotent Stem Cells (iPSC): Multiple Synergistic Reprogramming Mechanisms. Methods Mol Biol 2018; 1733:283-304. [PMID: 29435941 DOI: 10.1007/978-1-4939-7601-0_23] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Pluripotency represents a unique feature of embryonic stem cells (ESCs). To generate ESC-like-induced pluripotent stem cells (iPSCs) derived from somatic cells, the cell genome needs to be reset and reprogrammed to express the ESC-specific transcriptome. Numerous studies have shown that genomic DNA demethylation is required for epigenetic reprogramming of somatic cell nuclei to form iPSCs; yet, the mechanism remains largely unclear. In ESCs, the reprogramming process goes through two critical stages: germline and zygotic demethylation, both of which erase genomic DNA methylation sites and hence allow for different gene expression patterns to be reset into a pluripotent state. Recently, miR-302, an ESC-specific microRNA (miRNA), was found to play an essential role in four aspects of this reprogramming mechanism-(1) initiating global genomic DNA demethylation, (2) activating ESC-specific gene expression, (3) inhibiting developmental signaling, and (4) preventing stem cell tumorigenicity. In this review, we will summarize miR-302 functions in all four reprogramming aspects and further discuss how these findings may improve the efficiency and safety of the current iPSC technology.
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Affiliation(s)
- Shao-Yao Ying
- Department of Integrative Anatomical Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
| | - William Fang
- Department of Integrative Anatomical Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Shi-Lung Lin
- Division of Regenerative Medicine, WJWU & LYNN (W&L) Institute for Stem Cell Research, Santa Fe Springs, CA, USA
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Abstract
MicroRNAs (miRNAs), widely distributed, small regulatory RNA genes, target both messenger RNA (mRNA) degradation and suppression of protein translation based on sequence complementarity between the miRNA and its targeted mRNA. Different names have been used to describe various types of miRNA. During evolution, RNA retroviruses or transgenes invaded the eukaryotic genome and were inserted itself in the noncoding regions of DNA, conceivably acting as transposon-like jumping genes, providing defense from viral invasion and fine-tuning of gene expression as a secondary level of gene modulation in eukaryotes. When a transposon is inserted in the intron, it becomes an intronic miRNA, taking advantage of the protein synthesis machinery, i.e., mRNA transcription and splicing, as a means for processing and maturation. MiRNAs have been found to play an important, but not life-threatening, role in embryonic development. They might play a pivotal role in diverse biological systems in various organisms, facilitating a quick response and accurate plotting of body physiology and structures. Based on these unique properties, manufactured intronic miRNAs have been developed for in vitro evaluation of gene function, in vivo gene therapy, and generation of transgenic animal models. The biogenesis of miRNAs, circulating miRNAs, miRNAs and cancer, iPSCs, and heart disease are presented in this chapter, highlighting some recent studies on these topics.
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Affiliation(s)
- Shao-Yao Ying
- Department of Integrative Anatomical Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
| | - Donald C Chang
- WJWU & LYNN Institute for Stem Cell Research, Santa Fe Springs, CA, USA
| | - Shi-Lung Lin
- Division of Regenerative Medicine, WJWU & LYNN Institute for Stem Cell Research, Santa Fe Springs, CA, USA
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