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Edwardson MA, Shivapurkar N, Li J, Khan M, Smith J, Giannetti ML, Fan R, Dromerick AW. Expansion of plasma MicroRNAs over the first month following human stroke. J Cereb Blood Flow Metab 2023; 43:2130-2143. [PMID: 37694957 PMCID: PMC10925862 DOI: 10.1177/0271678x231196982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 05/05/2023] [Accepted: 06/07/2023] [Indexed: 09/12/2023]
Abstract
Few have characterized miRNA expression during the transition from injury to neural repair and secondary neurodegeneration following stroke in humans. We compared expression of 754 miRNAs from plasma samples collected 5, 15, and 30 days post-ischemic stroke from a discovery cohort (n = 55) and 15-days post-ischemic stroke from a validation cohort (n = 48) to healthy control samples (n = 55 and 48 respectively) matched for age, sex, race and cardiovascular comorbidities using qRT-PCR. Eight miRNAs remained significantly altered across all time points in both cohorts including many described in acute stroke. The number of significantly dysregulated miRNAs more than doubled from post-stroke day 5 (19 miRNAs) to days 15 (50 miRNAs) and 30 (57 miRNAs). Twelve brain-enriched miRNAs were significantly altered at one or more time points (decreased expression, stroke versus controls: miR-107; increased expression: miR-99-5p, miR-127-3p, miR-128-3p, miR-181a-3p, miR-181a-5p, miR-382-5p, miR-433-3p, miR-491-5p, miR-495-3p, miR-874-3p, and miR-941). Many brain-enriched miRNAs were associated with apoptosis over the first month post-stroke whereas other miRNAs suggested a transition to synapse regulation and neuronal protection by day 30. These findings suggest that a program of decreased cellular proliferation may last at least 30 days post-stroke, and points to specific miRNAs that could contribute to neural repair in humans.
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Affiliation(s)
- Matthew A Edwardson
- Department of Neurology, Georgetown University, Washington, DC, USA
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
| | | | - James Li
- Department of Biostatistics, Bioinformatics, and Mathematics, Georgetown University, Washington, DC, USA
| | - Muhib Khan
- Spectrum Health, Grand Rapids, MI, USA
- Michigan State University, College of Human Medicine, Grand Rapids, MI, USA
| | - Jamal Smith
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
| | - Margot L Giannetti
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
| | - Ruzong Fan
- Department of Biostatistics, Bioinformatics, and Mathematics, Georgetown University, Washington, DC, USA
| | - Alexander W Dromerick
- Department of Neurology, Georgetown University, Washington, DC, USA
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
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2
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Han Q, Qiu S, Hu H, Li W, Li X. Role of Caveolae family-related proteins in the development of breast cancer. Front Mol Biosci 2023; 10:1242426. [PMID: 37828916 PMCID: PMC10565104 DOI: 10.3389/fmolb.2023.1242426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 09/14/2023] [Indexed: 10/14/2023] Open
Abstract
Breast cancer has become the most significant malignant tumor threatening women's lives. Caveolae are concave pits formed by invagination of the plasma membrane that participate in many biological functions of the cell membrane, such as endocytosis, cell membrane assembly, and signal transduction. In recent years, Caveolae family-related proteins have been found to be closely related to the occurrence and development of breast cancer. The proteins associated with the Caveolae family-related include Caveolin (Cav) and Cavins. The Cav proteins include Cav-1, Cav-2 and Cav-3, among which Cav-1 has attracted the most attention as a tumor suppressor and promoting factor affecting the proliferation, apoptosis, migration, invasion and metastasis of breast cancer cells. Cav-2 also has dual functions of inhibiting and promoting cancer and can be expressed in combination with Cav-1 or play a regulatory role alone. Cav-3 has been less studied in breast cancer, and the loss of its expression can form an antitumor microenvironment. Cavins include Cavin-1, Cavin-2, Cavin-3 and Cavin-4. Cavin-1 inhibits Cav-1-induced cell membrane tubule formation, and its specific role in breast cancer remains controversial. Cavin-2 acts as a breast cancer suppressor, inhibiting breast cancer progression by blocking the transforming growth factor (TGF-β) signaling pathway. Cavin-3 plays an anticancer role in breast cancer, but its specific mechanism of action is still unclear. The relationship between Cavin-4 and breast cancer is unclear. In this paper, the role of Caveolae family-related proteins in the occurrence and development of breast cancer and their related mechanisms are discussed in detail to provide evidence supporting the further study of Caveolae family-related proteins as potential targets for the diagnosis and treatment of breast cancer.
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Affiliation(s)
- Qinyu Han
- Department of Breast Center, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, Shandong, Chinaa
| | - Shi Qiu
- Department of Breast Center, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, Shandong, Chinaa
| | - Huiwen Hu
- Department of the First Clinical Medical School, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Wenjing Li
- Department of Breast Center, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, Shandong, Chinaa
| | - Xiangqi Li
- Department of Breast Center, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, Shandong, Chinaa
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Zheng R, Xu T, Lin Y, Huang X. Are endothelial cell proliferation and mesenchymal transition as distinguishing characteristics of 3-week Sugen5416/hypoxia mice model? Cardiovasc Res 2023; 119:e140-e141. [PMID: 37183500 DOI: 10.1093/cvr/cvad074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 03/30/2023] [Indexed: 05/16/2023] Open
Affiliation(s)
- Ruixuan Zheng
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
- Division of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
- Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
| | - Tingting Xu
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
- Division of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
- Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
| | - Ya Lin
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
- Division of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
- Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
| | - Xiaoying Huang
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
- Division of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
- Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou, 1 Fanhai West Road, Ouhai District, Wenzhou City, Zhejiang Province 325000, China
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Nevins S, McLoughlin CD, Oliveros A, Stein JB, Rashid MA, Hou Y, Jang MH, Lee KB. Nanotechnology Approaches for Prevention and Treatment of Chemotherapy-Induced Neurotoxicity, Neuropathy, and Cardiomyopathy in Breast and Ovarian Cancer Survivors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2300744. [PMID: 37058079 PMCID: PMC10576016 DOI: 10.1002/smll.202300744] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/05/2023] [Indexed: 06/19/2023]
Abstract
Nanotechnology has emerged as a promising approach for the targeted delivery of therapeutic agents while improving their efficacy and safety. As a result, nanomaterial development for the selective targeting of cancers, with the possibility of treating off-target, detrimental sequelae caused by chemotherapy, is an important area of research. Breast and ovarian cancer are among the most common cancer types in women, and chemotherapy is an essential treatment modality for these diseases. However, chemotherapy-induced neurotoxicity, neuropathy, and cardiomyopathy are common side effects that can affect breast and ovarian cancer survivors quality of life. Therefore, there is an urgent need to develop effective prevention and treatment strategies for these adverse effects. Nanoparticles (NPs) have extreme potential for enhancing therapeutic efficacy but require continued research to elucidate beneficial interventions for women cancer survivors. In short, nanotechnology-based approaches have emerged as promising strategies for preventing and treating chemotherapy-induced neurotoxicity, neuropathy, and cardiomyopathy. NP-based drug delivery systems and therapeutics have shown potential for reducing the side effects of chemotherapeutics while improving drug efficacy. In this article, the latest nanotechnology approaches and their potential for the prevention and treatment of chemotherapy-induced neurotoxicity, neuropathy, and cardiomyopathy in breast and ovarian cancer survivors are discussed.
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Affiliation(s)
- Sarah Nevins
- Department of Chemistry and Chemical Biology, Rutgers
University, the State University of New Jersey, 123 Bevier Road, Piscataway, NJ
08854, U.S.A
| | - Callan D. McLoughlin
- Department of Chemistry and Chemical Biology, Rutgers
University, the State University of New Jersey, 123 Bevier Road, Piscataway, NJ
08854, U.S.A
| | - Alfredo Oliveros
- Department of Neurosurgery, Robert Wood Johnson Medical
School, Rutgers University, the State University of New Jersey, 661 Hoes Ln W,
Piscataway, NJ, 08854, U.S.A
| | - Joshua B. Stein
- Department of Chemistry and Chemical Biology, Rutgers
University, the State University of New Jersey, 123 Bevier Road, Piscataway, NJ
08854, U.S.A
| | - Mohammad Abdur Rashid
- Department of Neurosurgery, Robert Wood Johnson Medical
School, Rutgers University, the State University of New Jersey, 661 Hoes Ln W,
Piscataway, NJ, 08854, U.S.A
| | - Yannan Hou
- Department of Chemistry and Chemical Biology, Rutgers
University, the State University of New Jersey, 123 Bevier Road, Piscataway, NJ
08854, U.S.A
| | - Mi-Hyeon Jang
- Department of Neurosurgery, Robert Wood Johnson Medical
School, Rutgers University, the State University of New Jersey, 661 Hoes Ln W,
Piscataway, NJ, 08854, U.S.A
| | - Ki-Bum Lee
- Department of Chemistry and Chemical Biology, Rutgers
University, the State University of New Jersey, 123 Bevier Road, Piscataway, NJ
08854, U.S.A
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Reiss AB, Ahmed S, Johnson M, Saeedullah U, De Leon J. Exosomes in Cardiovascular Disease: From Mechanism to Therapeutic Target. Metabolites 2023; 13:479. [PMID: 37110138 PMCID: PMC10142472 DOI: 10.3390/metabo13040479] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/22/2023] [Accepted: 03/24/2023] [Indexed: 03/29/2023] Open
Abstract
Cardiovascular disease (CVD) is the leading cause of morbidity and mortality globally. In recent decades, clinical research has made significant advances, resulting in improved survival and recovery rates for patients with CVD. Despite this progress, there is substantial residual CVD risk and an unmet need for better treatment. The complex and multifaceted pathophysiological mechanisms underlying the development of CVD pose a challenge for researchers seeking effective therapeutic interventions. Consequently, exosomes have emerged as a new focus for CVD research because their role as intercellular communicators gives them the potential to act as noninvasive diagnostic biomarkers and therapeutic nanocarriers. In the heart and vasculature, cell types such as cardiomyocytes, endothelial cells, vascular smooth muscle, cardiac fibroblasts, inflammatory cells, and resident stem cells are involved in cardiac homeostasis via the release of exosomes. Exosomes encapsulate cell-type specific miRNAs, and this miRNA content fluctuates in response to the pathophysiological setting of the heart, indicating that the pathways affected by these differentially expressed miRNAs may be targets for new treatments. This review discusses a number of miRNAs and the evidence that supports their clinical relevance in CVD. The latest technologies in applying exosomal vesicles as cargo delivery vehicles for gene therapy, tissue regeneration, and cell repair are described.
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Affiliation(s)
- Allison B. Reiss
- Department of Medicine and Biomedical Research Institute, NYU Long Island School of Medicine, Mineola, NY 11501, USA
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Fellah S, Larrue R, Truchi M, Vassaux G, Mari B, Cauffiez C, Pottier N. Pervasive role of the long noncoding RNA DNM3OS in development and diseases. WILEY INTERDISCIPLINARY REVIEWS. RNA 2023; 14:e1736. [PMID: 35491542 DOI: 10.1002/wrna.1736] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/04/2022] [Accepted: 04/11/2022] [Indexed: 11/08/2022]
Abstract
Thousands of unique noncoding RNAs (ncRNAs) are expressed in human cells, some are tissue or cell type specific whereas others are considered as house-keeping molecules. Studies over the last decade have modified our perception of ncRNAs from transcriptional noise to functional regulatory transcripts that influence a variety of molecular processes such as chromatin remodeling, transcription, post-transcriptional modifications, or signal transduction. Consequently, aberrant expression of many ncRNAs plays a causative role in the initiation and progression of various diseases. Since the identification of its developmental role, the long ncRNA DNM3OS (Dynamin 3 Opposite Strand) has attracted attention of researchers in distinct fields including oncology, fibroproliferative diseases, or bone disorders. Mechanistic studies have in particular revealed the multifaceted nature of DNM3OS and its important pathogenic role in several human disorders. In this review, we summarize the current knowledge of DNM3OS functions in diseases, with an emphasis on its potential as a novel therapeutic target. This article is categorized under: RNA in Disease and Development > RNA in Disease RNA in Disease and Development > RNA in Development.
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Affiliation(s)
- Sandy Fellah
- University of Lille, CNRS, Inserm, CHU Lille, UMR9020-UMR-S 1277, Lille, France
| | - Romain Larrue
- University of Lille, CNRS, Inserm, CHU Lille, UMR9020-UMR-S 1277, Lille, France
| | - Marin Truchi
- Université Côte d'Azur, CNRS UMR7275, IPMC, Valbonne, France
| | - Georges Vassaux
- Université Côte d'Azur, CNRS UMR7275, IPMC, Valbonne, France
| | - Bernard Mari
- Université Côte d'Azur, CNRS UMR7275, IPMC, Valbonne, France
| | - Christelle Cauffiez
- University of Lille, CNRS, Inserm, CHU Lille, UMR9020-UMR-S 1277, Lille, France
| | - Nicolas Pottier
- University of Lille, CNRS, Inserm, CHU Lille, UMR9020-UMR-S 1277, Lille, France
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7
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Cheng YF, Gu XJ, Yang TM, Wei QQ, Cao B, Zhang Y, Shang HF, Chen YP. Signature of miRNAs derived from the circulating exosomes of patients with amyotrophic lateral sclerosis. Front Aging Neurosci 2023; 15:1106497. [PMID: 36845651 PMCID: PMC9951117 DOI: 10.3389/fnagi.2023.1106497] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 01/09/2023] [Indexed: 02/12/2023] Open
Abstract
Background Amyotrophic lateral sclerosis (ALS) is a progressive, fatal neurodegenerative disorder (NDS) with unclear pathophysiology and few therapeutic options. Mutations in SOD1 and C9orf72 are the most common in Asian and Caucasian patients with ALS, respectively. Aberrant (microRNAs) miRNAs found in patients with gene-mutated ALS may be involved in the pathogenesis of gene-specific ALS and sporadic ALS (SALS). The aim of this study was to screen for differentially expressed miRNAs from exosomes in patients with ALS and healthy controls (HCs) and to construct a miRNA-based diagnostic model to classify patients and HCs. Methods We compared circulating exosome-derived miRNAs of patients with ALS and HCs using the following two cohorts: a discovery cohort (three patients with SOD1-mutated ALS, three patients with C9orf72-mutated ALS, and three HCs) analyzed by microarray and a validation cohort (16 patients with gene-mutated ALS, 65 patients with SALS, and 61 HCs) confirmed by RT-qPCR. The support vector machine (SVM) model was used to help diagnose ALS using five differentially expressed miRNAs between SALS and HCs. Results A total of 64 differentially expressed miRNAs in patients with SOD1-mutated ALS and 128 differentially expressed miRNAs in patients with C9orf72-mutated ALS were obtained by microarray compared to HCs. Of these, 11 overlapping dysregulated miRNAs were identified in both groups. Among the 14 top-hit candidate miRNAs validated by RT-qPCR, hsa-miR-34a-3p was specifically downregulated in patients with SOD1-mutated ALS, while hsa-miR-1306-3p was downregulated in ALS patients with both SOD1 and C9orf72 mutations. In addition, hsa-miR-199a-3p and hsa-miR-30b-5p were upregulated significantly in patients with SALS, while hsa-miR-501-3p, hsa-miR-103a-2-5p, and hsa-miR-181d-5p had a trend to be upregulated. The SVM diagnostic model used five miRNAs as features to distinguish ALS from HCs in our cohort with an area under receiver operating characteristic curve (AUC) of 0.80. Conclusion Our study identified aberrant miRNAs from exosomes of SALS and ALS patients with SOD1/C9orf72 mutations and provided additional evidence that aberrant miRNAs were involved in the pathogenesis of ALS regardless of the presence or absence of the gene mutation. The machine learning algorithm had high accuracy in predicting the diagnosis of ALS, shedding light on the foundation for the clinical application of blood tests in the diagnosis of ALS, and revealing the pathological mechanisms of the disease.
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Affiliation(s)
- Yang-Fan Cheng
- Department of Neurology, Laboratory of Neurodegenerative Disorders, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China,Laboratory of Neurodegenerative Disorders, National Clinical Research Center for Geriatric, West China Hospital, Sichuan University, Chengdu, China
| | - Xiao-Jing Gu
- Department of Neurology, Laboratory of Neurodegenerative Disorders, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China,Laboratory of Neurodegenerative Disorders, National Clinical Research Center for Geriatric, West China Hospital, Sichuan University, Chengdu, China
| | - Tian-Mi Yang
- Department of Neurology, Laboratory of Neurodegenerative Disorders, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China
| | - Qian-Qian Wei
- Department of Neurology, Laboratory of Neurodegenerative Disorders, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China
| | - Bei Cao
- Department of Neurology, Laboratory of Neurodegenerative Disorders, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yang Zhang
- West China School of Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Hui-Fang Shang
- Department of Neurology, Laboratory of Neurodegenerative Disorders, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China,Laboratory of Neurodegenerative Disorders, National Clinical Research Center for Geriatric, West China Hospital, Sichuan University, Chengdu, China,*Correspondence: Hui-Fang Shang,
| | - Yong-Ping Chen
- Department of Neurology, Laboratory of Neurodegenerative Disorders, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China,Laboratory of Neurodegenerative Disorders, National Clinical Research Center for Geriatric, West China Hospital, Sichuan University, Chengdu, China,Yong-Ping Chen,
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Yarmohammadi F, Ebrahimian Z, Karimi G. MicroRNAs target the PI3K/Akt/p53 and the Sirt1/Nrf2 signaling pathways in doxorubicin-induced cardiotoxicity. J Biochem Mol Toxicol 2023; 37:e23261. [PMID: 36416353 DOI: 10.1002/jbt.23261] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 06/06/2022] [Accepted: 11/14/2022] [Indexed: 11/24/2022]
Abstract
Doxorubicin (DOX) is used as a chemotherapeutic agent in the treatment of solid tumors. Irreversible cardiotoxicity is the major limitation in the clinical use of DOX. Several microRNAs (miRNAs) with diversified functions are identified that participate in exacerbating or suppressing DOX-induced cardiac damage. The miRNAs are small noncoding regulatory RNAs that modify the expression of the native genes. Studies have demonstrated that miRNAs by modifying the expression of proteins such as PTEN, Akt, and survivin can affect DOX-induced cardiac apoptosis. Moreover, miRNAs can modulate cardiac oxidative stress in DOX treatment through the posttranscriptional regulation of Sirt1, p66shc, and Nrf2 expressions. This manuscript has reviewed the regulation of the PI3K/Akt/p53 and the Sirt1/Nrf2 pathways by miRNAs in DOX-induced cardiotoxicity.
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Affiliation(s)
- Fatemeh Yarmohammadi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zainab Ebrahimian
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gholamreza Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Comparative Analysis of mRNA and miRNA Expression between Dermal Papilla Cells and Hair Matrix Cells of Hair Follicles in Yak. Cells 2022; 11:cells11243985. [PMID: 36552749 PMCID: PMC9776824 DOI: 10.3390/cells11243985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 12/03/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
The interaction between the dermal papilla cells (DPCs) and epidermal hair matrix cells (HMCs) of hair follicles (HFs) is crucial for the growth and development of HFs, but the molecular mechanism is complex and remains unclear. MicroRNAs (miRNAs) are the key signaling molecules for cellular communication. In this study, the DPCs and HMCs of yak were isolated and cultured, and the differentially expressed mRNA and miRNA were characterized to analyze the molecular basis of the interaction between DPCs and HMCs during hair follicle (HF) development in yak. The mRNA differential expression and functional enrichment analysis revealed that there were significant differences between DPCs and HMCs, and they showed the molecular functional characteristics of dermal cells and epidermal cells, respectively. Multiple KEGG pathways related to HF development were enriched in the highly expressed genes in DPCs, while the pathways associated with microbiota and immunity were significantly enriched in the highly expressed genes in HMCs. By combining analysis with our previous 10× genomics single-cell transcriptome data, 39 marker genes of DPCs of yak were identified. A total of 123 relatively specifically expressed miRNAs were screened; among these, the miRNAs associated with HF development such as miR-143, miR-214, miR-125b, miR-31, and miR-200 were presented. In conclusion, the large changes in yak DPCs and HMCs for both mRNA and miRNA expression were revealed, and numerous specifically expressed mRNAs and miRNAs in DPCs or HMCs were identified, which may contribute to the interaction and cellular communication between DPCs and HMCs during HF development in yak.
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Qin Y, Liang R, Lu P, Lai L, Zhu X. Depicting the Implication of miR-378a in Cancers. Technol Cancer Res Treat 2022; 21:15330338221134385. [PMID: 36285472 PMCID: PMC9608056 DOI: 10.1177/15330338221134385] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
MicroRNA-378a (miR-378a), including miR-378a-3p and miR-378a-5p, are encoded in PPARGC1B gene. miR-378a is essential for tumorigenesis and is an independent prognostic biomarker for various malignant tumors. Aberrant expression of miR-378a affects several physiological and pathological processes, including proliferation, apoptosis, tumorigenesis, cancer invasion, metastasis, and therapeutic resistance. Interestingly, miR-378a has a dual functional role in either promoting or inhibiting tumorigenesis, independent of the cancer type. In this review, we comprehensively summarized the role and regulatory mechanisms of miR-378a in cancer development, hoping to provide a direction for its potential use in cancer therapy.
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Affiliation(s)
- Yuelan Qin
- Department of Radiation Oncology, Guangxi Medical University Cancer Hospital, Nanning, People's Republic of China
| | - Renba Liang
- Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
| | - Pingan Lu
- Faculty of Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Lin Lai
- Department of Radiation Oncology, Guangxi Medical University Cancer Hospital, Nanning, People's Republic of China
| | - Xiaodong Zhu
- Department of Radiation Oncology, Guangxi Medical University Cancer Hospital, Nanning, People's Republic of China,Affiliated Wuming Hospital of Guangxi Medical University, Nanning, People's Republic of China,Key Laboratory of Early Prevention and Treatment for Regional High-Incidence-Tumor, Guangxi Medical University, Ministry of Education, Nanning, People's Republic of China,Xiaodong Zhu, Department of Radiation Oncology, Guangxi Medical University Cancer Hospital, 22 Shuang Yong Road, Nanning 530021, People's Republic of China.
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Wang J, Hao Z, Hu L, Qiao L, Luo Y, Hu J, Liu X, Li S, Zhao F, Shen J, Li M, Zhao Z. MicroRNA-199a-3p regulates proliferation and milk fat synthesis of ovine mammary epithelial cells by targeting VLDLR. Front Vet Sci 2022; 9:948873. [PMID: 35990270 PMCID: PMC9391033 DOI: 10.3389/fvets.2022.948873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 07/11/2022] [Indexed: 11/18/2022] Open
Abstract
In our previous study, microRNA (miR)-199a-3p was found to be the most upregulated miRNA in mammary gland tissue during the non-lactation period compared with the peak-lactation period. However, there have been no reports describing the function of miR-199a-3p in ovine mammary epithelial cells (OMECs) and the biological mechanisms by which the miRNA affects cell proliferation and milk fat synthesis in sheep. In this study, the effect of miR-199a-3p on viability, proliferation, and milk fat synthesis of OMECs was investigated, and the target relationship of the miRNA with very low-density lipoprotein receptor (VLDLR) was also verified. Transfection with a miR-199a-3p mimic increased the viability of OMECs and the number of Edu-labeled positive OMECs. In contrast, a miR-199-3p inhibitor had the opposite effect with the miR-199a-3p mimic. The expression levels of three marker genes were also regulated by both the miR-199a-3p mimic and miR-199-3p inhibitor in OMECs. Together, these results suggest that miR-199a-3p promotes the viability and proliferation of OMECs. A dual luciferase assay confirmed that miR-199a-3p can target VLDLR by binding to the 3′-untranslated regions (3'UTR) of the gene. Further studies found a negative correlation in the expression of miR-199a-3p with VLDLR. The miR-199a-3p mimic decreased the content of triglycerides, as well as the expression levels of six milk fat synthesis marker genes in OMECs, namely, lipoprotein lipase gene (LPL), acetyl-CoA carboxylase alpha gene (ACACA), fatty acid binding protein 3 gene (FABP3), CD36, stearoyl-CoA desaturase gene (SCD), and fatty acid synthase gene (FASN). The inhibition of miR-199a-3p increased the level of triglycerides and the expression of LPL, ACACA, FABP3, SCD, and FASN in OMECs. These findings suggest that miR-199a-3p inhibited milk fat synthesis of OMECs. This is the first study to reveal the molecular mechanisms by which miR-199a-3p regulates the proliferation and milk fat synthesis of OMECs in sheep.
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12
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Meng W, Li Y, Chai B, Liu X, Ma Z. miR-199a: A Tumor Suppressor with Noncoding RNA Network and Therapeutic Candidate in Lung Cancer. Int J Mol Sci 2022; 23:ijms23158518. [PMID: 35955652 PMCID: PMC9369015 DOI: 10.3390/ijms23158518] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/12/2022] [Accepted: 07/21/2022] [Indexed: 11/16/2022] Open
Abstract
Lung cancer is the leading cause of cancer death worldwide. miR-199a, which has two mature molecules: miR-199a-3p and miR-199a-5p, plays an important biological role in the genesis and development of tumors. We collected recent research results on lung cancer and miR-199a from Google Scholar and PubMed databases. The biological functions of miR-199a in lung cancer are reviewed in detail, and its potential roles in lung cancer diagnosis and treatment are discussed. With miR-199a as the core point and a divergence outward, the interplay between miR-199a and other ncRNAs is reviewed, and a regulatory network covering various cancers is depicted, which can help us to better understand the mechanism of cancer occurrence and provide a means for developing novel therapeutic strategies. In addition, the current methods of diagnosis and treatment of lung cancer are reviewed. Finally, a conclusion was drawn: miR-199a inhibits the development of lung cancer, especially by inhibiting the proliferation, infiltration, and migration of lung cancer cells, inhibiting tumor angiogenesis, increasing the apoptosis of lung cancer cells, and affecting the drug resistance of lung cancer cells. This review aims to provide new insights into lung cancer therapy and prevention.
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13
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Muwonge H, Kasujja H, Niyonzima N, Atugonza C, Kasolo J, Lugaajju A, Nfambi J, Fred SL, Damani AM, Kimuli I, Zavuga R, Nakazzi F, Kigozi E, Nakanjako D, Kateete DP, Bwanga F. Unique circulating microRNA profiles in epidemic Kaposi's sarcoma. Noncoding RNA Res 2022; 7:114-122. [PMID: 35570854 PMCID: PMC9065625 DOI: 10.1016/j.ncrna.2022.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/24/2022] [Accepted: 02/12/2022] [Indexed: 11/30/2022] Open
Abstract
Background Human herpesvirus 8 (HHV-8) causes Kaposi's sarcoma (KS). Kaposi sarcoma in HIV/AIDS patients is referred to as epidemic KS and is the most common HIV-related malignancy worldwide. The lack of a diagnostic assay to detect latent and early-stage disease has increased disease morbidity and mortality. Serum miRNAs have previously been used as potential biomarkers of normal physiology and disease. In the current study, we profiled unique serum miRNAs in patients with epidemic KS to generate baseline data to aid in developing a miRNA-based noninvasive biomarker assay for epidemic KS. Methods This was a comparative cross-sectional study involving 27 patients with epidemic KS and 27 HIV-positive adults with no prior diagnosis or clinical manifestation of KS. DNA and RNA were isolated from blood and serum collected from study participants. Nested PCR for circulating HHV-8 DNA was performed on the isolated DNA, whereas miRNA library preparation and sequencing for circulating miRNA were performed on the RNA samples. The miRge2 pipeline and EdgeR were used to analyse the sequencing data. Results Fifteen out of the 27 epidemic KS-positive subjects (55.6%) tested positive for HHV-8 DNA, whereas only 3 (11.1%) out of the 27 HIV-positive, KS-negative subjects tested positive for HHV-8 DNA. Additionally, we found a unique miRNA expression signature in 49 circulating miRNAs in epidemic KS subjects compared to subjects with no epidemic KS, with 41 miRNAs upregulated and 8 miRNAs downregulated. Subjects with latent KS infection had a differential upregulation of circulating miR-193a compared to HIV-positive, KS-negative subjects for whom circulating HHV-8 DNA was not detected. Further analysis of serum from epidemic KS patients revealed a miRNA signature according to KS tumor status and time since first HIV diagnosis. Conclusions This study reveals unique circulating miRNA profiles in the serum of patients with epidemic KS versus HIV-infected subjects with no KS, as well as in subjects with latent KS. Many of the dysregulated miRNAs in epidemic KS patients were previously reported to have crucial roles in KS infection and latency, highlighting their promising roles as potential biomarkers of latent or active KS infection.
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Affiliation(s)
- Haruna Muwonge
- Department of Physiology, School of Biomedical Sciences, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
- Habib Medical School, Islamic University in Uganda (IUIU), Uganda
| | - Hassan Kasujja
- Department of Physiology, School of Biomedical Sciences, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Nixon Niyonzima
- Uganda Cancer Institute (UCI)-Fred Hutch Collaboration, P. O Box 3935, Kampala, Uganda
| | - Carolyne Atugonza
- Medical and Molecular Laboratories, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Josephine Kasolo
- Department of Physiology, School of Biomedical Sciences, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Allan Lugaajju
- Department of Physiology, School of Biomedical Sciences, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Joshua Nfambi
- Department of Physiology, School of Biomedical Sciences, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Sembajwe Larry Fred
- Department of Physiology, School of Biomedical Sciences, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Ali Moses Damani
- Department of Physiology, School of Biomedical Sciences, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Ivan Kimuli
- Department of Physiology, School of Biomedical Sciences, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Robert Zavuga
- Uganda Peoples Defence forces (UPDF), P. O Box 123, Bombo, Uganda
| | - Faith Nakazzi
- Medical and Molecular Laboratories, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Edgar Kigozi
- Medical and Molecular Laboratories, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Damalie Nakanjako
- Department of Medicine, School of Medicine, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - David Patrick Kateete
- Medical and Molecular Laboratories, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
- Department of Immunology and Molecular Biology, School of Biomedical Sciences, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
| | - Freddie Bwanga
- Department of Immunology and Molecular Biology, School of Biomedical Sciences, Makerere University College of Health Sciences, P. O Box 7072, Kampala, Uganda
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Kaczmarek E, Nanayakkara J, Sedghi A, Pesteie M, Tuschl T, Renwick N, Mousavi P. Topology preserving stratification of tissue neoplasticity using Deep Neural Maps and microRNA signatures. BMC Bioinformatics 2022; 23:38. [PMID: 35026982 PMCID: PMC8756719 DOI: 10.1186/s12859-022-04559-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 12/30/2021] [Indexed: 11/14/2022] Open
Abstract
Background Accurate cancer classification is essential for correct treatment selection and better prognostication. microRNAs (miRNAs) are small RNA molecules that negatively regulate gene expression, and their dyresgulation is a common disease mechanism in many cancers. Through a clearer understanding of miRNA dysregulation in cancer, improved mechanistic knowledge and better treatments can be sought. Results We present a topology-preserving deep learning framework to study miRNA dysregulation in cancer. Our study comprises miRNA expression profiles from 3685 cancer and non-cancer tissue samples and hierarchical annotations on organ and neoplasticity status. Using unsupervised learning, a two-dimensional topological map is trained to cluster similar tissue samples. Labelled samples are used after training to identify clustering accuracy in terms of tissue-of-origin and neoplasticity status. In addition, an approach using activation gradients is developed to determine the attention of the networks to miRNAs that drive the clustering. Using this deep learning framework, we classify the neoplasticity status of held-out test samples with an accuracy of 91.07%, the tissue-of-origin with 86.36%, and combined neoplasticity status and tissue-of-origin with an accuracy of 84.28%. The topological maps display the ability of miRNAs to recognize tissue types and neoplasticity status. Importantly, when our approach identifies samples that do not cluster well with their respective classes, activation gradients provide further insight in cancer subtypes or grades. Conclusions An unsupervised deep learning approach is developed for cancer classification and interpretation. This work provides an intuitive approach for understanding molecular properties of cancer and has significant potential for cancer classification and treatment selection.
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15
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Yang L, Du W, Zheng Z, Wang L, Xiao L, Yang Q, Hao Q, Zhou J, Du J, Li J, Valencia CA, Dong B, Chow HY, Fu X, Dong B. Optimization of miR-22 expression cassette for rAAV delivery on diabetes. MOLECULAR BIOMEDICINE 2022; 3:1. [PMID: 34984525 PMCID: PMC8727650 DOI: 10.1186/s43556-021-00063-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 11/19/2021] [Indexed: 02/08/2023] Open
Abstract
MicroRNA-22 (miR-22) was suggested to be important for type 2 diabetes but its functions for this disease remained unclear. Recombinant adeno-associated virus (rAAV)-mediated miR delivery is a powerful approach to study miR functions in vivo, however, the overexpression of miR-22 by rAAV remains challenging because it is one of the most abundant miRs in the liver. In this study, a series of expression cassettes were designed and compared. It was shown that different lengths of primary miR-22 were overexpressed in HEK293 and HeLa cells but the longer ones were more efficiently expressed. miR-22 may be placed in either introns or the 3′ UTR of a transgene for efficient overexpression. RNA polymerase III or II promoters were successfully utilized for miR expression but the latter showed higher expression levels in cell lines. Specifically, miR-22 was expressed efficiently together with an EGFP gene. After screening, a liver-specific TTR promoter was chosen to overexpress miR-22 in diabetic mice fed a high-fat diet. It was shown that miR-22 was overexpressed 2-3 folds which improved the insulin sensitivity significantly. The approach utilized in this study to optimize miR overexpression is a powerful tool for the creation of efficient rAAV vectors for the other miRs.
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Affiliation(s)
- Li Yang
- Department of Geriatrics and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.,State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Wenya Du
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Zhaoyue Zheng
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Li Wang
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Lin Xiao
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Qingzhe Yang
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Qiukui Hao
- Department of Geriatrics and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Jiao Zhou
- Department of Geriatrics and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Jintao Du
- Department of Otorhinolaryngology Head & Neck Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Jun Li
- Department of Geriatrics and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - C Alexander Valencia
- Department of Geriatrics and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Birong Dong
- Department of Geriatrics and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Hoi Yee Chow
- Department of Geriatrics and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.,State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Xianghui Fu
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.
| | - Biao Dong
- Department of Geriatrics and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China. .,State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.
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Abstract
Liver cancer is the fourth leading cause of cancer-related deaths worldwide, with hepatocellular carcinoma (HCC) accounting for approximately 80% of all liver cancers. The serum concentration of alpha-fetoprotein (AFP) is the only validated biomarker for HCC diagnosis. MicroRNAs (miRNAs) are small non-coding RNAs of 21–30 nucleotides playing a critical role in human carcinogenesis, with types of miRNAs with oncogenic (oncomiRs) or tumor suppressor features. The altered expression of miRNAs in HCC is associated with many pathological processes, such as cancer initiation, tumor growth, apoptosis escape, promotion of migration and invasion. Moreover, circulating miRNAs have been increasingly investigated as non-invasive biomarkers for HCC diagnosis. MiRNAs’ expression patterns are altered in HCC and several single miRNAs or miRNAs panels have been found significantly up or downregulated in HCC with respect to healthy controls or non-oncological patients (cirrhotic or with viral hepatitis). However, any of the investigated miRNAs or miRNAs panels has entered clinical practice so far. This has mostly to do with lack of protocols standardization, small sample size and discrepancies in the measurement techniques. This review summarizes the major findings regarding the diagnostic role of miRNAs in HCC and their possible use together with standard biomarkers in order to obtain an early diagnosis and easier differential diagnosis from non-cancerous liver disease.
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17
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Dong C, Cao H, Liu Z, Xi L, Shi Y, Yang R. CHML targeted by miR-199a-3p promotes non-small cell lung cancer cell growth via binding to Rab5A. Pathol Res Pract 2021; 227:153626. [PMID: 34649053 DOI: 10.1016/j.prp.2021.153626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 09/16/2021] [Accepted: 09/18/2021] [Indexed: 12/11/2022]
Abstract
Choroideremia-like (CHML) has been demonstrated to be related to the development of urothelial carcinoma, multiple myeloma, and hepatocellular carcinoma. Whereas, the association between CHML and lung cancer remains dimness. CHML expression was analyzed in NSCLC patients from TCGA dataset and evaluated in our collected NSCLC tissues and NSCLC cell lines. The effects of CHML on the proliferation and apoptosis of NSCLC were investigated in A549 and H1299 cells that downregulation of CHML as well as in H1299-induced xenograft mouse model. An upstream miRNA of CHML was further analyzed. Moreover, bioinformatics analysis and co-immunoprecipitation assay were carried out to explore the mechanism of CHML in NSCLC. We found CHML expression was upregulated in NSCLC patients and cell lines compared with their controls. Knockdown of CHML suppressed the viability and BrdU-positive cell number, and elevated the proportion of Tunel-positive cells and levels of Bax/Bcl-2 and cleaved-caspase-3 in NSCLC cells. In mouse models, downregulation of CHML decreased tumor volume and weight, attenuated Ki-67 staining, whereas elevated numbers of Tunel-positive cells, and upregulated levels of Bax/Bcl-2 and cleaved-caspase-3. CHML was demonstrated to be a target of miR-199a-3p. miR-199a-3p inhibitor significantly promoted the proliferation, and attenuated the apoptosis of H1299 cells, which were abrogated by CHML silencing. CHML promoted the proliferation of NSCLC cells via directly binding to Rab5A. Taken together, this study revealed that CHML was an oncogene in NSCLC and it could promote the proliferation and inhibit apoptosis of NSCLC cells through binding to Rab5A. CHML was targeted by miR-199a-3p in this cancer.
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Affiliation(s)
- Changqing Dong
- Department of Thoracic Surgery, Nanjing Chest Hospital Affiliated to Southeast University, Nanjing, Jiangsu Province 210029, China
| | - Hui Cao
- Department of Thoracic Surgery, Nanjing Chest Hospital Affiliated to Southeast University, Nanjing, Jiangsu Province 210029, China
| | - Zhengcheng Liu
- Department of Thoracic Surgery, Nanjing Chest Hospital Affiliated to Southeast University, Nanjing, Jiangsu Province 210029, China
| | - Lei Xi
- Department of Thoracic Surgery, Nanjing Chest Hospital Affiliated to Southeast University, Nanjing, Jiangsu Province 210029, China
| | - Ye Shi
- Department of Thoracic Surgery, Nanjing Chest Hospital Affiliated to Southeast University, Nanjing, Jiangsu Province 210029, China
| | - Rusong Yang
- Department of Thoracic Surgery, Nanjing Chest Hospital Affiliated to Southeast University, Nanjing, Jiangsu Province 210029, China.
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18
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Lin KH, Ng SC, Paul CR, Chen HC, Zeng RY, Liu JS, Padma VV, Huang CY, Kuo WW. MicroRNA-210 repression facilitates advanced glycation end-product (AGE)-induced cardiac mitochondrial dysfunction and apoptosis via JNK activation. J Cell Biochem 2021; 122:1873-1885. [PMID: 34545968 DOI: 10.1002/jcb.30146] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 08/31/2021] [Accepted: 09/02/2021] [Indexed: 12/12/2022]
Abstract
Hyperglycemia results in the formation of reactive oxygen species which in turn causes advanced glycation end products (AGEs) formation, leading to diabetic cardiomyopathy. Our previous study showed that AGE-induced reactive oxygen species-dependent apoptosis is mediated via protein kinase C delta (PKCδ)-enhanced mitochondrial damage in cardiomyocytes. By using microRNA (miRNA) database, miRNA-210 was predicted to target c-Jun N-terminal kinase (JNK), which were previously identified as downstream of PKCδ in regulating mitochondrial function. Therefore, we hypothesized that miR-210 mediates PKCδ-dependent upregulation of JNK to cause cardiac mitochondrial damage and apoptosis following AGE exposure. AGE-exposed cells showed activated cardiac JNK, PKCδ, and apoptosis, which were reversed by treatment with a JNK inhibitor and PKCδ-KD (deficient kinase). Cardiac miR-210 and mitochondrial function were downregulated following AGE exposure. Furthermore, JNK was upregulated and involved in AGE-induced mitochondrial damage. Interestingly, luciferase activity of the miR-210 mimic plus JNK WT-3'-untranslated region overexpressed group was significantly lower than that of miR-210 mimic plus JNK MT-3'UTR group, indicating that JNK is a target of miR-210. Moreover, JNK activation induced by AGEs was reduced by treatment with the miR-210 mimic and reversed by treatment with the miR-210 inhibitor, indicating the regulatory function of miR-210 in JNK activation following AGE exposure. Additionally, JNK-dependent mitochondrial dysfunction and apoptosis were reversed following treatment with the miR-210 mimic, while the miR-210 inhibitor showed no effect on JNK-induced mitochondrial dysfunction and apoptosis in AGE-exposed cardiac cells. Taken together, our study showed that PKCδ-enhanced JNK-dependent mitochondrial damage is mediated through the reduction of miR-210 in cardiomyocytes following AGE exposure.
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Affiliation(s)
- Kuan-Ho Lin
- College of Medicine, China Medical University, Taichung, Taiwan, ROC.,Department of Emergency Medicine, China Medical University Hospital, Taichung, Taiwan, ROC
| | - Shang-Chuan Ng
- Department of Biological Science and Technology, College of Life Sciences, China Medical University, Taichung, Taiwan, ROC.,PhD Program for Biotechnology Industry, China Medical University, Taichung, Taiwan, ROC
| | - Catherine R Paul
- Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien, Taiwan, ROC
| | - Hong-Chen Chen
- Institute of Biochemistry and Molecular Biology, National Yang-Ming University, Taipei, Taiwan, ROC.,Cancer Progression Research Center, National Yang-Ming University, Taipei, Taiwan, ROC
| | - Ren-You Zeng
- Department of Biological Science and Technology, College of Life Sciences, China Medical University, Taichung, Taiwan, ROC.,PhD Program for Biotechnology Industry, China Medical University, Taichung, Taiwan, ROC
| | - Jian-Sheng Liu
- Department of Biological Science and Technology, College of Life Sciences, China Medical University, Taichung, Taiwan, ROC.,Department of Thoracic, China Medical University Beigang Hospital, Yunlin, Taiwan, ROC
| | - Viswanadha V Padma
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan, ROC
| | - Chih-Yang Huang
- Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien, Taiwan, ROC.,Department of Biotechnology, Translational Research Laboratory, School of Biotechnology and Genetic Engineering, Bharathiar University, Coimbatore, Tamil Nadu, India.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan, ROC.,Department of Medical Laboratory Science and Biotechnology, Asia University, Taichung, Taiwan, ROC.,Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan, ROC
| | - Wei-Wen Kuo
- Department of Biological Science and Technology, College of Life Sciences, China Medical University, Taichung, Taiwan, ROC.,PhD Program for Biotechnology Industry, China Medical University, Taichung, Taiwan, ROC
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Tian Y, Liu X, Hu J, Zhang H, Wang B, Li Y, Fu L, Su R, Yu Y. Integrated Bioinformatic Analysis of the Expression and Prognosis of Caveolae-Related Genes in Human Breast Cancer. Front Oncol 2021; 11:703501. [PMID: 34513683 PMCID: PMC8427033 DOI: 10.3389/fonc.2021.703501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 07/31/2021] [Indexed: 12/21/2022] Open
Abstract
Caveolae-related genes, including CAVs that encodes caveolins and CAVINs that encodes caveolae-associated proteins cavins, have been identified for playing significant roles in a variety of biological processes including cholesterol transport and signal transduction, but evidences related to tumorigenesis and cancer progression are not abundant to correlate with clinical characteristics and prognosis of patients with cancer. In this study, we investigated the expression of these genes at transcriptional and translational levels in patients with breast cancer using Oncomine, Gene Expression Profiling Interactive Analysis (GEPIA), cBioPortal databases, and immunohistochemistry of the patients in our hospital. Prognosis of patients with breast cancer based on the expressions of CAVs and CAVINs was summarized using Kaplan-Meier Plotter with their correlation to different subtyping. The relevant molecular pathways of these genes were further analyzed using Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway database and Gene Set Enrichment Analysis (GSEA). Results elucidated that expression levels of CAV1, CAV2, CAVIN1, CAVIN2, and CAVIN3 were significantly lower in breast cancer tissues than in normal samples, while the expression level of CAVIN2 was correlated with advanced tumor stage. Furthermore, investigations on survival of patients with breast cancer indicated outstanding associations between prognosis and CAVIN2 levels, especially for the patients with estrogen receptor positive (ER+) breast cancer. In conclusion, our investigation indicated CAVIN2 is a potential therapeutic target for patients with ER+ breast cancer, which may relate to functions of cancer cell surface receptors and adhesion molecules.
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Affiliation(s)
- Yao Tian
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Xiaofeng Liu
- Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Jing Hu
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Huan Zhang
- Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Baichuan Wang
- Anhui Medical University Clinical College of Chest, Hefei, China.,Department of Thoracic Surgery, Anhui Chest Hospital, Hefei, China
| | - Yingxi Li
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Li Fu
- Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,Department of Breast Cancer Pathology and Research Laboratory, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Ran Su
- School of Computer Software, College of Intelligence and Computing, Tianjin University, Tianjin, China
| | - Yue Yu
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
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20
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Kim S, Thapar I, Brooks BW. Epigenetic changes by per- and polyfluoroalkyl substances (PFAS). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 279:116929. [PMID: 33751946 DOI: 10.1016/j.envpol.2021.116929] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 02/07/2021] [Accepted: 03/03/2021] [Indexed: 05/09/2023]
Abstract
Increasing studies are examining per- and polyfluoroalkyl substances (PFAS) induced toxicity and resulting health outcomes, including epigenetic modifications (e.g., DNA methylation, histone modification, microRNA expression). We critically reviewed current evidence from human epidemiological, in vitro, and animal studies, including mammalian and aquatic model organisms. Epidemiological studies identified the associations between perfluorooctane sulfonate (PFOS) or perfluorooctanoic acid (PFOA) exposure and epigenetic changes in both adult populations and birth cohorts. For in vitro studies, various cell types including neuroblasts, preadipocytes, and hepatocytes have been employed to understand epigenetic effects of PFAS. In studies with animal models, effects of early life exposure to PFAS have been examined using rodent models, and aquatic models (e.g., zebrafish) have been more frequently used in recent years. Several studies highlighted oxidative stress as a key mediator between epigenetic modification and health effects. Collectively, previous research clearly suggest involvement of epigenetic mechanisms in PFAS induced toxicity, though these efforts have primarily focused on specific PFASs (i.e. mainly PFOS and PFOA) or endpoints (i.e. cancer). Additional studies are necessary to define specific linkages among epigenetic mechanisms and related biomarkers or phenotypical changes. In addition, future research is also needed for understudied PFAS and complex mixtures. Studies of epigenetic effects elicited by individual PFAS and mixtures are needed within an adverse outcome pathways framework, which will advance an understanding of PFAS risks to public health and the environment, and support efforts to design less hazardous chemicals.
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Affiliation(s)
- Sujin Kim
- Department of Environmental Science, Baylor University, Waco, TX, 76706, USA; Institute of Biomedical Studies, Baylor University, Waco, TX, 76706, USA.
| | - Isha Thapar
- Department of Environmental Science, Baylor University, Waco, TX, 76706, USA; Honors College, Baylor University, Waco, TX, 76706, USA
| | - Bryan W Brooks
- Department of Environmental Science, Baylor University, Waco, TX, 76706, USA; Institute of Biomedical Studies, Baylor University, Waco, TX, 76706, USA.
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21
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Xue Y, Zeng G, Cheng J, Hu J, Zhang M, Li Y. Engineered macrophage membrane-enveloped nanomedicine for ameliorating myocardial infarction in a mouse model. Bioeng Transl Med 2021; 6:e10197. [PMID: 34027086 PMCID: PMC8126824 DOI: 10.1002/btm2.10197] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/21/2020] [Accepted: 10/29/2020] [Indexed: 12/22/2022] Open
Abstract
Myocardial infarction (MI) is the serious condition causing lots of death over the world. Myocytes apoptosis, inflammation, and fibrosis are three important factors implicated in pathogenesis of MI. Targeting these three factors has been shown to ameliorate MI and rescue cardiac function. Previous studies have demonstrated that microRNA (miR) 199a-3p protect against MI. In this study, we prepare macrophage membrane coated nanoparticles (MMNPs) containing miR199a-3p. We evaluate the effects of these NPs on apoptosis and cell proliferation in vitro and the effects on inflammation cytokine production, expression of fibrosis related proteins, cardiac injuries, and functions in MI mice. We find that the MMNPs have receptors of interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor alpha (TNF-α) and can bind to these cytokines. MMNPs prevent hypoxia-induced apoptosis and promote cell proliferation, suppress the inflammation, and inhibit the cardiac fibrosis in MI mice. These results demonstrate that MMNPs ameliorate left ventricular remodeling and cardiac functions, and protect against MI, suggesting MMNPs containing miR199a-3p is a potential therapeutic approach to treat MI.
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Affiliation(s)
- Yugang Xue
- Department of CardiologyTangdu Hospital, Air force Military Medical UniversityXi'anShaanxiChina
| | - Guangwei Zeng
- Section 2, Department of CardiologyXi'An International Medical Center HospitalXi'anShaanxiChina
| | - Jin Cheng
- Department of CardiologyTangdu Hospital, Air force Military Medical UniversityXi'anShaanxiChina
| | - Jianqiang Hu
- Department of CardiologyTangdu Hospital, Air force Military Medical UniversityXi'anShaanxiChina
| | - Mingming Zhang
- Department of CardiologyTangdu Hospital, Air force Military Medical UniversityXi'anShaanxiChina
| | - Yan Li
- Department of CardiologyTangdu Hospital, Air force Military Medical UniversityXi'anShaanxiChina
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22
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Liu Y, Nie H, Ding Y, Hou Y, Mao K, Cui Y. MiRNA, a New Treatment Strategy for Pulmonary Fibrosis. Curr Drug Targets 2021; 22:793-802. [PMID: 32988351 DOI: 10.2174/1874609813666200928141822] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/21/2020] [Accepted: 08/21/2020] [Indexed: 11/22/2022]
Abstract
Pulmonary fibrosis (PF) is the most common chronic, progressive interstitial lung disease, mainly occurring in the elderly, with a median survival of 2-4 years after diagnosis. Its high mortality rate attributes to the delay in diagnosis due to its generic symptoms, and more importantly, to the lack of effective treatments. MicroRNAs (miRNAs) are a class of small non-coding RNAs that are involved in many essential cellular processes, including extracellular matrix remodeling, alveolar epithelial cell apoptosis, epithelial-mesenchymal transition, etc. We summarized the dysregulated miRNAs in TGF-β signaling pathway-mediated PF in recent years with dual effects, such as anti-fibrotic let-7 family and pro-fibrotic miR-21 members. Therefore, this review will set out the latest application of miRNAs to provide a new direction for PF treatment.
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Affiliation(s)
- Yanhong Liu
- Department of Stem Cells and Regenerative Medicine, College of Basic Medical Science, China Medical University, Shenyang, China
| | - Hongguang Nie
- Department of Stem Cells and Regenerative Medicine, College of Basic Medical Science, China Medical University, Shenyang, China
| | - Yan Ding
- Department of Stem Cells and Regenerative Medicine, College of Basic Medical Science, China Medical University, Shenyang, China
| | - Yapeng Hou
- Department of Stem Cells and Regenerative Medicine, College of Basic Medical Science, China Medical University, Shenyang, China
| | - Kejun Mao
- Department of Stem Cells and Regenerative Medicine, College of Basic Medical Science, China Medical University, Shenyang, China
| | - Yong Cui
- Department of Anesthesiology, the First Affiliated Hospital of China Medical University, Shenyang, China
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23
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Yang T, Li Y, Zhao F, Zhou L, Jia R. Circular RNA Foxo3: A Promising Cancer-Associated Biomarker. Front Genet 2021; 12:652995. [PMID: 33833780 PMCID: PMC8021895 DOI: 10.3389/fgene.2021.652995] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 03/01/2021] [Indexed: 12/25/2022] Open
Abstract
Circular RNAs (circRNAs) are a class of novel non-coding RNAs (ncRNAs). Emerging evidence demonstrates that circRNAs play crucial roles in many biological processes by regulating linear RNA transcription, downstream gene expression and protein or peptide translation. Meanwhile, recent studies have suggested that circRNAs have the potential to be oncogenic or anti-oncogenic and play vital regulatory roles in the initiation and progression of tumors. Circular RNA Forkhead box O3 (circ-Foxo3, hsa_circ_0006404) is encoded by the human FOXO3 gene and is one of the most studied circular RNAs acting as a sponge for potential microRNAs (miRNAs) (Du et al., 2016). Previous studies have reported that circ-Foxo3 is involved in the development and tumorigenesis of a variety of cancers (bladder, gastric, acute lymphocytic leukemia, glioma, etc.). In this review, we summarize the current studies concerning circ-Foxo3 deregulation and the correlative mechanism in various human cancers. We also point out the potential clinical applications of this circRNA as a biomarker for cancer diagnosis and prognosis.
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Affiliation(s)
- Tianli Yang
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Yang Li
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Feng Zhao
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Liuhua Zhou
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Ruipeng Jia
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
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24
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Morishita A, Oura K, Tadokoro T, Fujita K, Tani J, Masaki T. MicroRNAs in the Pathogenesis of Hepatocellular Carcinoma: A Review. Cancers (Basel) 2021; 13:cancers13030514. [PMID: 33572780 PMCID: PMC7866004 DOI: 10.3390/cancers13030514] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/22/2021] [Accepted: 01/25/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Hepatocellular carcinoma (HCC) is one of the most frequently occurring cancers, and the prognosis for late-stage HCC remains poor. A better understanding of the pathogenesis of HCC is expected to improve outcomes. MicroRNAs (miRNAs) are small, noncoding, single-stranded RNAs that regulate the expression of various target genes, including those in cancer-associated genomic regions or fragile sites in various human cancers. We summarize the central roles of miRNAs in the pathogenesis of HCC and discuss their potential utility as valuable biomarkers and new therapeutic agents for HCC. Abstract Hepatocellular carcinoma (HCC) is the seventh most frequent cancer and the fourth leading cause of cancer mortality worldwide. Despite substantial advances in therapeutic strategies, the prognosis of late-stage HCC remains dismal because of the high recurrence rate. A better understanding of the etiology of HCC is therefore necessary to improve outcomes. MicroRNAs (miRNAs) are small, endogenous, noncoding, single-stranded RNAs that modulate the expression of their target genes at the posttranscriptional and translational levels. Aberrant expression of miRNAs has frequently been detected in cancer-associated genomic regions or fragile sites in various human cancers and has been observed in both HCC cells and tissues. The precise patterns of aberrant miRNA expression differ depending on disease etiology, including various causes of hepatocarcinogenesis, such as viral hepatitis, alcoholic liver disease, or nonalcoholic steatohepatitis. However, little is known about the underlying mechanisms and the association of miRNAs with the pathogenesis of HCC of various etiologies. In the present review, we summarize the key mechanisms of miRNAs in the pathogenesis of HCC and emphasize their potential utility as valuable diagnostic and prognostic biomarkers, as well as innovative therapeutic targets, in HCC diagnosis and treatment.
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25
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Zhou Q, Zhang MM, Liu M, Tan ZG, Qin QL, Jiang YG. LncRNA XIST sponges miR-199a-3p to modulate the Sp1/LRRK2 signal pathway to accelerate Parkinson's disease progression. Aging (Albany NY) 2021; 13:4115-4137. [PMID: 33494069 PMCID: PMC7906184 DOI: 10.18632/aging.202378] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 09/14/2020] [Indexed: 02/06/2023]
Abstract
In vitro and in vivo models of Parkinson’s disease were established to investigate the effects of the lncRNA XIST/miR-199a-3p/Sp1/LRRK2 axis. The binding between XIST and miR-199a-3p as well as miR-199a-3p and Sp1 were examined by luciferase reporter assay and confirmed by RNA immunoprecipitation analysis. Following the Parkinson’s disease animal behavioural assessment by suspension and swim tests, the brain tissue injuries were evaluated by hematoxylin and eosin, TdT-mediated dUTP-biotin nick end labelling, and tyrosine hydroxylase stainings. The results indicated that miR-199a-3p expression was downregulated, whereas that of XIST, Sp1 and LRRK2 were upregulated in Parkinson’s disease. Moreover, miR-199a-3p overexpression or XIST knockdown inhibited the cell apoptosis induced by MPP+ treatment and promoted cell proliferation. The neurodegenerative defects were significantly recovered by treating the cells with shXIST or shSp1, whereas miR-199a-3p inhibition or Sp1 and LRRK2 overexpression abrogated these beneficial effects. Furthermore, the results of our in vivo experiments confirmed the neuroprotective effects of shXIST and miR-199a-3p against MPTP-induced brain injuries, and the Parkinson’s disease behavioural symptoms were effectively alleviated upon shXIST or miR-199a-3p treatment. In summary, the results of the present study showed that lncRNA XIST sponges miR-199a-3p to modulate Sp1 expression and further accelerates Parkinson’s disease progression by targeting LRRK2.
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Affiliation(s)
- Qian Zhou
- Department of Neurosurgery, Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, P.R. China
| | - Ming-Ming Zhang
- Department of Neurosurgery, Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, P.R. China
| | - Min Liu
- Department of Neurosurgery, Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, P.R. China
| | - Zhi-Gang Tan
- Department of Neurosurgery, Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, P.R. China
| | - Qi-Lin Qin
- Department of Neurosurgery, Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, P.R. China
| | - Yu-Gang Jiang
- Department of Neurosurgery, Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, P.R. China
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26
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Riasat K, Bardell D, Goljanek-Whysall K, Clegg PD, Peffers MJ. Epigenetic mechanisms in Tendon Ageing. Br Med Bull 2020; 135:90-107. [PMID: 32827252 PMCID: PMC7585832 DOI: 10.1093/bmb/ldaa023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 06/19/2020] [Accepted: 06/22/2020] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Tendon is a composite material with a well-ordered hierarchical structure exhibiting viscoelastic properties designed to transfer force. It is recognized that the incidence of tendon injury increases with age, suggesting a deterioration in homeostatic mechanisms or reparative processes. This review summarizes epigenetic mechanisms identified in ageing healthy tendon. SOURCES OF DATA We searched multiple databases to produce a systematic review on the role of epigenetic mechanisms in tendon ageing. AREAS OF AGREEMENT Epigenetic mechanisms are important in predisposing ageing tendon to injury. AREAS OF CONTROVERSY The relative importance of epigenetic mechanisms are unknown in terms of promoting healthy ageing. It is also unknown whether these changes represent protective mechanisms to function or predispose to pathology. GROWING POINT Epigenetic markers in ageing tendon, which are under-researched including genome-wide chromatin accessibility, should be investigated. AREAS TIMELY FOR DEVELOPING RESEARCH Metanalysis through integration of multiple datasets and platforms will enable a holistic understanding of the epigenome in ageing and its relevance to disease.
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Affiliation(s)
- Kiran Riasat
- Department of Musculoskeletal Biology, Institute of Life Course and Medical Sciences, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK
| | - David Bardell
- Department of Musculoskeletal Biology, Institute of Life Course and Medical Sciences, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK.,Institute of Veterinary Science, University of Liverpool, Leahurst Campus, Neston, Wirral CH64 7TE, UK
| | - Katarzyna Goljanek-Whysall
- Department of Musculoskeletal Biology, Institute of Life Course and Medical Sciences, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK
| | - Peter D Clegg
- Department of Musculoskeletal Biology, Institute of Life Course and Medical Sciences, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK
| | - Mandy J Peffers
- Department of Musculoskeletal Biology, Institute of Life Course and Medical Sciences, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK
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27
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Exosomal miR-199a-5p promotes hepatic lipid accumulation by modulating MST1 expression and fatty acid metabolism. Hepatol Int 2020; 14:1057-1074. [PMID: 33037981 DOI: 10.1007/s12072-020-10096-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 09/12/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIMS Non-alcoholic fatty liver disease (NAFLD) and its complications has become an expanding health problem worldwide with limited therapeutic approaches. The current study was aiming to identify novel microRNA in the regulation of hepatic lipid metabolism in NAFLD. APPROCHES AND RESULTS Systematic screening of microRNA expression by high-throughput small RNA sequencing demonstrated that microRNA 199a-5p (miR-199a-5p) was significantly upregulated in high fat diet-induced steatosis mouse model, with the most abundant expression in adipose tissue. MST1 was further identified as the target gene for miR-199a with specific recognition at the 3' untranslated region with dural luciferase reporter assay. Delivery of miR-199a-5p with exosomes into mice aggravated liver lipid accumulation in hepatocytes, accompanied by down-regulation of hepatic MST1 expression and modulation of hepatic lipogenesis and lipolysis, including SREBP-1c, AMPK signaling cascades and the down-stream CPT1α and FASN. Conversely, administration of exosome containing anti-miR-199a-5p resulted in attenuated steotosis in mice fed on high fat diet. Importanly, miR-199a-5p-induced abnormal cellular lipid accumulation could be markedly reversed by overexpression of MST1. CONCLUSION miR-199a-5p might be an essentail regulator for hepatic lipid metabolism, possibly through its interction with MST1 and the subsequent signaling cascade. Thus, miR-199a-5p may serve as an important therapeutic target in the treatment of NAFLD.
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28
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Du F, Zhang Y, Xu Q, Teng Y, Tao M, Chen AF, Jiang R. Preeclampsia serum increases CAV1 expression and cell permeability of human renal glomerular endothelial cells via down-regulating miR-199a-5p, miR-199b-5p, miR-204. Placenta 2020; 99:141-151. [PMID: 32798766 DOI: 10.1016/j.placenta.2020.07.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 07/10/2020] [Accepted: 07/14/2020] [Indexed: 02/06/2023]
Abstract
INTRODUCTION To gain insight into mechanisms of preeclampsia (PE)-dependent proteinuria, this study focused on whether preeclampsia serum (PES) could induce hyperpermeability in human renal glomerular endothelial cells (HRGECs) via the miRNAs-Caveolin-1 (CAV-1)-dependent pathway. METHODS Bioinformatics approach was used to identify miRNAs targeting CAV1. Normal pregnancy serum (NPS) and severe PES were used to treat HRGECs monolayer to demonstrate if PES could induce the expression of identified miRNAs. A luciferase reporter assay was used to determine whether CAV1 was a direct target of miR-199a-5p, miR-199b-5p, and miR-204. The relationship between the expression of miR-199a-5p, miR-199b-5p, miR-204, and CAV1 in HRGECs was determined using quantitative reverse transcription-polymerase chain reaction (qRT-PCR) and Western blot. The gain-of-function and loss-of-function experiments were performed on HRGECs to investigate the effects of miR-199a-5p, miR-199b-5p, miR-204 on HRGECs permeability. RESULTS We identified that CAV1 3'UTR has putative binding sites for miR-199a-5p, miR-199b-5p, and miR-204, whereas miR-199a-5p does not appear to be a direct regulator of CAV1. We detected that PE serum downregulated the expression of miR-199a-5p, miR-199b-5p and miR-204, increased expression of CAV1 and increased cell monolayer permeability in HRGECs. The level of CAV1 and permeability decreased when miR-199b-5p or miR-204, but not miR-199a-5p, were overexpressed. DISCUSSION miR-199b-5p and miR-204 may play a role in PES-induced increasing permeability of HRGECs by regulating CAV1 expression.
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Affiliation(s)
- Fei Du
- Obstetric Intensive Care Center, The Institute of Obstetrics and Gynecology, Department of Obstetrics and Gynecology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Ye Zhang
- Obstetric Intensive Care Center, The Institute of Obstetrics and Gynecology, Department of Obstetrics and Gynecology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Qinyang Xu
- Obstetric Intensive Care Center, The Institute of Obstetrics and Gynecology, Department of Obstetrics and Gynecology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yincheng Teng
- Obstetric Intensive Care Center, The Institute of Obstetrics and Gynecology, Department of Obstetrics and Gynecology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Minfang Tao
- Obstetric Intensive Care Center, The Institute of Obstetrics and Gynecology, Department of Obstetrics and Gynecology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Alex F Chen
- Department of Surgery, McGowan Institute of Regenerative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
| | - Rongzhen Jiang
- Obstetric Intensive Care Center, The Institute of Obstetrics and Gynecology, Department of Obstetrics and Gynecology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
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29
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Yang X, Ma L, Wei R, Ye T, Zhou J, Wen M, Men R, Aqeilan RI, Peng Y, Yang L. Twist1-induced miR-199a-3p promotes liver fibrosis by suppressing caveolin-2 and activating TGF-β pathway. Signal Transduct Target Ther 2020; 5:75. [PMID: 32499481 PMCID: PMC7272438 DOI: 10.1038/s41392-020-0169-z] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 01/07/2020] [Accepted: 01/07/2020] [Indexed: 02/05/2023] Open
Abstract
The activation of hepatic stellate cells (HSCs) participates in liver fibrosis, and emerging evidences indicate that microRNAs (miRNAs) are abnormally expressed during HSC activation. However, the potential roles of miRNAs in liver fibrosis still remain elusive. Therefore, this study aimed to investigate the role of miR-199a-3p in liver fibrosis and its underlying mechanism. We found that miR-199a-3p expression was dramatically upregulated during HSC activation in vitro, and during liver fibrogenesis in CCl4-treated rats, and its liver expression was increased in the patients with cirrhosis. By the luciferase assay and RT-qPCR, we revealed that the expression of miR-199a-3p in HSCs was driven by the transcription factor Twist1 which could be further induced by TGF-β treatment. Functional studies showed that inhibition of miR-199a-3p in both human LX2 cells and rat HSCs significantly decreased the expression of fibrotic markers, such as fibronectin and connective tissue growth factor (CTGF), whereas the forced expression of miR-199a-3p exhibited opposite effects, demonstrating the role of miR-199a-3p in promoting HSC activation. Mechanistically, miR-199a-3p plays an important role in TGF-β signalling pathway activation through targeting CAV2 that negatively regulates the expression of transforming growth factor-beta receptor type I (TGFβRI). Importantly, administration of antagomiR-199a-3p in the CCl4-treated mice significantly ameliorated hepatic fibrosis. In conclusion, Twist1-induced miR-199a-3p mediates the activation of HSCs by suppressing CAV2 expression and subsequently increasing TGFβRI expression to promote TGF-β pathway. Our findings highlight the therapeutic potential of miR-199a-3p for hepatic fibrosis.
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Affiliation(s)
- Xiaoxue Yang
- Department of Gastroenterology & Hepatology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Liping Ma
- State Key Laboratory of Biotherapy and Cancer Centre, West China Hospital, Sichuan University, and Collaborative Innovation Centre for Biotherapy, Chengdu, 610041, China.,School of Bioscience and Technology, Chengdu medical college, Chengdu, 610500, China
| | - Rong Wei
- State Key Laboratory of Biotherapy and Cancer Centre, West China Hospital, Sichuan University, and Collaborative Innovation Centre for Biotherapy, Chengdu, 610041, China
| | - Tinghong Ye
- Department of Gastroenterology & Hepatology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - JianKang Zhou
- State Key Laboratory of Biotherapy and Cancer Centre, West China Hospital, Sichuan University, and Collaborative Innovation Centre for Biotherapy, Chengdu, 610041, China
| | - Maoyao Wen
- Department of Gastroenterology & Hepatology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ruoting Men
- Department of Gastroenterology & Hepatology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Rami I Aqeilan
- Department of Immunology & Cancer Research, Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Yong Peng
- State Key Laboratory of Biotherapy and Cancer Centre, West China Hospital, Sichuan University, and Collaborative Innovation Centre for Biotherapy, Chengdu, 610041, China.
| | - Li Yang
- Department of Gastroenterology & Hepatology, West China Hospital, Sichuan University, Chengdu, 610041, China.
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A Systematic Review and Meta-Analysis for the Association of Gene Polymorphisms in RAN with Cancer Risk. DISEASE MARKERS 2020; 2020:9026707. [PMID: 32015773 PMCID: PMC6985935 DOI: 10.1155/2020/9026707] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 12/19/2019] [Accepted: 12/23/2019] [Indexed: 11/22/2022]
Abstract
As an important component of miRNA processing genes, RAN gene encodes the ras-related nuclear protein, which is a unique member of the Ras superfamily of GTPases. The mutations in RAN gene are very likely to play a critical role in pathology-related changes to miRNA transport and expression and thus participate in tumor genesis and development. Currently, accumulating studies have explored the association between RAN SNPs and cancer risk. However, the results are conflicting. In the present study, we performed a systematic review for the association of RAN SNPs with overall cancer risk. Meanwhile, a meta-analysis was conducted based on available data, aiming at clarifying the association between RAN SNPs and cancer susceptibility. After literature search and data extraction, 17 studies containing four RAN SNPs were involved in the systematic review. And 12 studies with two highly studied SNPs (RAN rs14035 C>T and rs3803012 A>G) were included in the final meta-analysis, consisting of 7662 cases and 9807 controls. The results showed that the rs14035 polymorphism was linked to a decreased cancer risk in overall subjects and hospital-based (HB) subgroup, while the rs3803012 polymorphism conferred to an increased cancer risk in overall subjects and population-based (PB) subgroup. Our findings suggested that the two SNPs had the potential to be predictive biomarkers for cancer risk. The study would provide novel clues for the identification of miRNA-related genetic biomarkers applied to predicting cancer susceptibility.
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31
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Lin J, Jo SB, Kim TH, Kim HW, Chew SY. RNA interference in glial cells for nerve injury treatment. J Tissue Eng 2020; 11:2041731420939224. [PMID: 32670539 PMCID: PMC7338726 DOI: 10.1177/2041731420939224] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 06/13/2020] [Indexed: 12/12/2022] Open
Abstract
Drivers of RNA interference are potent for manipulating gene and protein levels, which enable the restoration of dysregulated mRNA expression that is commonly associated with injuries and diseases. This review summarizes the potential of targeting neuroglial cells, using RNA interference, to treat nerve injuries sustained in the central nervous system. In addition, the various methods of delivering these RNA interference effectors will be discussed.
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Affiliation(s)
- Junquan Lin
- School of Chemical and Biomedical
Engineering, Nanyang Technological University, Singapore
| | - Seung Bin Jo
- Institute of Tissue Regeneration
Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
| | - Tae-Hyun Kim
- Institute of Tissue Regeneration
Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
- Department of Nanobiomedical Science
& BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook
University, Cheonan, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration
Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
- Department of Nanobiomedical Science
& BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook
University, Cheonan, Republic of Korea
- UCL Eastman-Korea Dental Medicine
Innovation Centre, Dankook University, Cheonan, Republic of Korea
| | - Sing Yian Chew
- School of Chemical and Biomedical
Engineering, Nanyang Technological University, Singapore
- Lee Kong Chian School of Medicine,
Nanyang Technological University, Singapore
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32
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Materniak-Kornas M, Tan J, Heit-Mondrzyk A, Hotz-Wagenblatt A, Löchelt M. Bovine Foamy Virus: Shared and Unique Molecular Features In Vitro and In Vivo. Viruses 2019; 11:E1084. [PMID: 31766538 PMCID: PMC6950176 DOI: 10.3390/v11121084] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/18/2019] [Accepted: 11/19/2019] [Indexed: 12/18/2022] Open
Abstract
The retroviral subfamily of Spumaretrovirinae consists of five genera of foamy (spuma) viruses (FVs) that are endemic in some mammalian hosts [1]. Closely related species may be susceptible to the same or highly related FVs. FVs are not known to induce overt disease and thus do not pose medical problems to humans and livestock or companion animals. A robust lab animal model is not available or is a lab animal a natural host of a FV. Due to this, research is limited and often focused on the simian FVs with their well-established zoonotic potential. The authors of this review and their groups have conducted several studies on bovine FV (BFV) in the past with the intention of (i) exploring the risk of zoonotic infection via beef and raw cattle products, (ii) studying a co-factorial role of BFV in different cattle diseases with unclear etiology, (iii) exploring unique features of FV molecular biology and replication strategies in non-simian FVs, and (iv) conducting animal studies and functional virology in BFV-infected calves as a model for corresponding studies in primates or small lab animals. These studies gained new insights into FV-host interactions, mechanisms of gene expression, and transcriptional regulation, including miRNA biology, host-directed restriction of FV replication, spread and distribution in the infected animal, and at the population level. The current review attempts to summarize these findings in BFV and tries to connect them to findings from other FVs.
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Affiliation(s)
| | - Juan Tan
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China;
| | - Anke Heit-Mondrzyk
- German Cancer Research Center DKFZ, Core Facility Omics IT and Data Management, 69120 Heidelberg, Germany; (A.H.-M.); (A.H.-W.)
| | - Agnes Hotz-Wagenblatt
- German Cancer Research Center DKFZ, Core Facility Omics IT and Data Management, 69120 Heidelberg, Germany; (A.H.-M.); (A.H.-W.)
| | - Martin Löchelt
- German Cancer Research Center DKFZ, Program Infection, Inflammation and Cancer, Div. Viral Transformation Mechanisms, 69120 Heidelberg, Germany
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Pan P, Weisenberger DJ, Zheng S, Wolf M, Hwang DG, Rose-Nussbaumer JR, Jurkunas UV, Chan MF. Aberrant DNA methylation of miRNAs in Fuchs endothelial corneal dystrophy. Sci Rep 2019; 9:16385. [PMID: 31705138 PMCID: PMC6841734 DOI: 10.1038/s41598-019-52727-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 10/22/2019] [Indexed: 12/12/2022] Open
Abstract
Homeostatic maintenance of corneal endothelial cells is essential for maintenance of corneal deturgescence and transparency. In Fuchs endothelial corneal dystrophy (FECD), an accelerated loss and dysfunction of endothelial cells leads to progressively severe visual impairment. An abnormal accumulation of extracellular matrix (ECM) is a distinctive hallmark of the disease, however the molecular pathogenic mechanisms underlying this phenomenon are not fully understood. Here, we investigate genome-wide and sequence-specific DNA methylation changes of miRNA genes in corneal endothelial samples from FECD patients. We discover that miRNA gene promoters are frequent targets of aberrant DNA methylation in FECD. More specifically, miR-199B is extensively hypermethylated and its mature transcript miR-199b-5p was previously found to be almost completely silenced in FECD. Furthermore, we find that miR-199b-5p directly and negatively regulates Snai1 and ZEB1, two zinc finger transcription factors that lead to increased ECM deposition in FECD. Taken together, these findings suggest a novel epigenetic regulatory mechanism of matrix protein production by corneal endothelial cells in which miR-199B hypermethylation leads to miR-199b-5p downregulation and thereby the increased expression of its target genes, including Snai1 and ZEB1. Our results support miR-199b-5p as a potential therapeutic target to prevent or slow down the progression of FECD disease.
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Affiliation(s)
- Peipei Pan
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA, USA
| | - Daniel J Weisenberger
- Department of Biochemistry and Molecular Medicine, University of Southern California, Los Angeles, CA, USA
| | - Siyu Zheng
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA, USA
| | - Marie Wolf
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA, USA
| | - David G Hwang
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA, USA.,Francis I. Proctor Foundation, University of California, San Francisco, CA, USA
| | - Jennifer R Rose-Nussbaumer
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA, USA.,Francis I. Proctor Foundation, University of California, San Francisco, CA, USA
| | - Ula V Jurkunas
- Department of Ophthalmology, Harvard Medical School, and Schepens Eye Research Institute, Massachusetts Eye and Ear, Boston, MA, USA
| | - Matilda F Chan
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA, USA. .,Francis I. Proctor Foundation, University of California, San Francisco, CA, USA.
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Gong Y, Yang Y, Tian S, Chen H. Different Role of Caveolin-1 Gene in the Progression of Gynecological Tumors. Asian Pac J Cancer Prev 2019; 20:3259-3268. [PMID: 31759347 PMCID: PMC7062999 DOI: 10.31557/apjcp.2019.20.11.3259] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Indexed: 12/13/2022] Open
Abstract
Caveolin-1 (Cav-1), an integral membrane protein, is a principal component of caveolae and has been reported to play a promoting or inhibiting role in cancer progression. Gynecologic tumor is a group of tumors that affect the tissue and organs of the female reproductive system, especially cervical cancer. Cervical cancer, as one of the most common cancers, severely affects female health in developing countries in particular because of its high morbidity and mortality. This review summarizes some mechanisms of Cav-1 in the development and progression of gynecological tumors. The role of Cav-1 in tumorigenesis, including dysregulation of cell cycle, apoptosis and autophagy, adhesion, invasion, and metastasis, such as the formation of invadopodia and matrix metalloproteinase degradation are presented in detail. In addition, Cav-1 modulates autophagy and the formation of invadopodia and target regulated by miRNAs to affect tumor progress. Taken together, we find that, no matter Cav-1 expression in the tumor or stromal cells , Cav-1 has paradoxical role in different types of gynecological tumors in vivo or in vitro and even in the same tumor from the same organ.
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Affiliation(s)
- Yan Gong
- Department of Pathology, Zhongnan Hospital of Wuhan University, Wuhan, P. R. China
| | - Yuhan Yang
- Department of Pathology, School of Basic Medical Science, Wuhan University, Wuhan, P. R. China
| | - Sufang Tian
- Department of Pathology, Zhongnan Hospital of Wuhan University, Wuhan, P. R. China
| | - Honglei Chen
- Department of Pathology, Zhongnan Hospital of Wuhan University, Wuhan, P. R. China
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Yang H, Qin X, Wang H, Zhao X, Liu Y, Wo HT, Liu C, Nishiga M, Chen H, Ge J, Sayed N, Abilez OJ, Ding D, Heilshorn SC, Li K. An in Vivo miRNA Delivery System for Restoring Infarcted Myocardium. ACS NANO 2019; 13:9880-9894. [PMID: 31149806 PMCID: PMC7930012 DOI: 10.1021/acsnano.9b03343] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
A major challenge in myocardial infarction (MI)-related heart failure treatment using microRNA is the efficient and sustainable delivery of miRNAs into myocardium to achieve functional improvement through stimulation of intrinsic myocardial restoration. In this study, we established an in vivo delivery system using polymeric nanoparticles to carry miRNA (miNPs) for localized delivery within a shear-thinning injectable hydrogel. The miNPs triggered proliferation of human embryonic stem cell-derived cardiomyocytes and endothelial cells (hESC-CMs and hESC-ECs) and promoted angiogenesis in hypoxic conditions, showing significantly lower cytotoxicity than Lipofectamine. Furthermore, one injected dose of hydrogel/miNP in MI rats demonstrated significantly improved cardiac functions: increased ejection fraction from 45% to 64%, reduced scar size from 20% to 10%, and doubled capillary density in the border zone compared to the control group at 4 weeks. As such, our results indicate that this injectable hydrogel/miNP composite can deliver miRNA to restore injured myocardium efficiently and safely.
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Affiliation(s)
- Huaxiao Yang
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, United States
- Corresponding Authors.,
| | - Xulei Qin
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Huiyuan Wang
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
| | - Xin Zhao
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Yonggang Liu
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Hung-Ta Wo
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Chun Liu
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Masataka Nishiga
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Haodong Chen
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Jing Ge
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Nazish Sayed
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Oscar J. Abilez
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Dan Ding
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Sarah C. Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
| | - Kai Li
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
- Department of Radiology, Stanford University School of Medicine, Stanford, California 94305, United States
- Corresponding Authors.,
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Bheri S, Davis ME. Nanoparticle-Hydrogel System for Post-myocardial Infarction Delivery of MicroRNA. ACS NANO 2019; 13:9702-9706. [PMID: 31469276 DOI: 10.1021/acsnano.9b05716] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Effective therapies for cardiac repair and regeneration after myocardial infarction (MI) are rather limited. Although microRNAs (miRs) are known to play an important role in improving cardiac function after MI at a cellular level, delivering and retaining miRs at the target site has been challenging. To address this dilemma, several miR carriers have been developed, but these face their own limitations such as immunogenicity and poor targeting to the infarct site. In this Perspective, we summarize different mechanisms for miR administration and localization to cardiac tissue, with a specific focus on the clinically relevant injectable hydrogel and nanoparticle system developed by Yang et al. and reported in this issue of ACS Nano. We also highlight future directions for this field and outline the remaining unanswered questions.
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Affiliation(s)
- Sruti Bheri
- Wallace H. Coulter Department of Biomedical Engineering , Georgia Institute of Technology and Emory University , Atlanta , Georgia 30322 , United States
| | - Michael E Davis
- Wallace H. Coulter Department of Biomedical Engineering , Georgia Institute of Technology and Emory University , Atlanta , Georgia 30322 , United States
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miR-199a-5p Represses Protective Autophagy and Overcomes Chemoresistance by Directly Targeting DRAM1 in Acute Myeloid Leukemia. JOURNAL OF ONCOLOGY 2019; 2019:5613417. [PMID: 31636666 PMCID: PMC6766143 DOI: 10.1155/2019/5613417] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 08/19/2019] [Indexed: 12/26/2022]
Abstract
Chemotherapy resistance is still a primary clinical obstacle to the successful treatment of acute myeloid leukemia (AML). The underlying mechanisms of drug resistance are complicated and have not been fully understood. Here, we found that miR-199a-5p levels were significantly reduced in refractory/relapsed AML patients compared to those who achieved complete remission after chemotherapy. Consistently, miR-199a-5p was markedly decreased in Adriamycin-resistant AML K562/ADM cells in contrast with Adriamycin-sensitive K562 cells, and its decrement dramatically correlated with the chemoresistance of AML cells. Furthermore, we demonstrated that the basic and Adriamycin-induced autophagic activity in K562/ADM cells was higher than that in K562 cells. This inducible autophagy played a prosurvival role and contributed to the development of acquired drug resistance. Importantly, we investigated that miR-199a-5p could negatively regulate autophagy, at least in part, by inhibiting damage regulator autophagy modulator (DRAM1) expression at both the transcriptional and posttranscriptional level. miR-199a-5p bound directly to the 3'-UTR of DRAM1 mRNA which was a functional target of miR-199a-5p. Indeed, downregulation of DRAM1 gene by siRNA in K562/ADM cells resulted in autophagy suppression and chemosensitivity restoration. These results revealed that the miR-199a-5p/DRAM1/autophagy signaling represented a novel pathway regulating chemoresistance, indicating a potential therapeutic strategy for the intervention in drug-resistant AML.
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Motaei J, Yaghmaie M, Ahmadvand M, Pashaiefar H, Kerachian MA. MicroRNAs as Potential Diagnostic, Prognostic, and Predictive Biomarkers for Acute Graft-versus-Host Disease. Biol Blood Marrow Transplant 2019; 25:e375-e386. [PMID: 31419566 DOI: 10.1016/j.bbmt.2019.08.004] [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] [Received: 06/15/2019] [Revised: 08/05/2019] [Accepted: 08/06/2019] [Indexed: 02/06/2023]
Abstract
Successful treatment of various hematologic diseases with allogeneic hematopoietic stem cell transplantation is often limited due to the occurrence of acute graft-versus-host disease (aGVHD). So far, there are no approved molecular biomarkers for the diagnosis and prediction of aGVHD at the clinical level due to our incomplete understanding of the molecular biology of the disease. Various studies have been conducted on animal models and humans to investigate the role of microRNAs in aGVHD pathogenesis to implicate them as biomarkers and therapeutic targets. Because of their high stability, tissue specificity, ease of measurement, low cost, and simplicity, they are excellent targets for biomarkers. In this review, we focused on microRNA expression profiling studies that were performed recently in both animal models and human cases of aGVHD to identify diagnostic and predictive biomarkers for this disease. The expression pattern of microRNAs can be specific to cells and tissues. Because aGVHD affects several organs, microRNA signatures in target tissues may help to understand the molecular pathology of the disease. Identification of organ-specific microRNAs in aGVHD can be promising to categorize patients for organ-specific therapies. Thus, microRNAs can be used as noninvasive diagnostic tests in clinic to improve prophylaxis, predict incidence and severity, and reduce morbidity.
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Affiliation(s)
- Jamshid Motaei
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Marjan Yaghmaie
- Hematology, Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Ahmadvand
- Hematology, Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Pashaiefar
- Hematology, Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Amin Kerachian
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Cancer Genetics Research Unit, Reza Radiotherapy and Oncology Center, Mashhad, Iran.
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Huang D, Huang Y, Huang Z, Weng J, Zhang S, Gu W. Relation of AURKB over-expression to low survival rate in BCRA and reversine-modulated aurora B kinase in breast cancer cell lines. Cancer Cell Int 2019; 19:166. [PMID: 31244554 PMCID: PMC6582545 DOI: 10.1186/s12935-019-0885-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 06/11/2019] [Indexed: 12/12/2022] Open
Abstract
Background New therapeutic drug for breast cancer (BRCA), especially triple negative BRCA (TNBC), is urgently needed. Even though 2-(4-morpholinoanilino)-6-cyclohexylaminopurine (reversine) is an aurora kinase inhibitor, it also inhibits some cancer cells and human BRCA cells. However, the potential roles of reversine as a novel therapeutic agent for the treatment of BRCA remains unknown and must be further investigation. Thus, the relationship of reversine to aurora kinase in BCRA has not been reported. The relationship between AURKB and survival rate in BRCA has never been reported. Herein, we tested the roles of reversine on different BRCA cell line subtypes. We also investigated the relationship between AURKB and survival rate in BRCA as well as reversine to Aurora kinase expression in BCRA cell lines, including TNBC subtype, 4T1, MDA-MB-231, and luminal subtype MCF-7. Methods Cell viability and apoptosis were detected using Cell Counting Kit-8 and flow cytometry analysis, respectively. Apoptotic and tumor-related proteins were tested using Western blot analysis. Important microRNAs that regulate BRCA were analyzed using RT-PCR. UALCAN public databases were used to analyze the targeted gene profiles, and the PROGgeneV2 database was used to study the prognostic implications of genes. Results Reversine inhibits cell proliferation and induces cell apoptosis by modulating caspase-3 and bax/bcl-2 among the three cell lines. Data from the UALCAN public database show that BRCA tissues expressed high gene levels of AURKB, TIMP1, MMP9, and TGFB1 compared with the normal tissue. Among the over-expressed genes in BRCA, AURKB ranks 9th in TNBC, 49th in luminal subtype, and 48th in HER2 subtype. High AURKB level in BRCA is highly related to the low survival rate in patients displayed in 18 databases searched via PROGgeneV2. The protein levels of aurora B kinase (Aurora B), which is encoded by AURKB gene, are highly suppressed by reversine in the three cell lines. The tumor-related proteins TGF-β1, TIMP1, and MMP9 are partially suppressed by reversine but with different sensitivity in the three cell lines. The reversine-affected microRNAs, such as miR129-5p, miR-199a-3p, and miR-3960, in MDA-MB-231 cell line might be the research targets in TNBC regulation. Conclusions In BRCA, the level of AURKB are over-expressed and is related to low survival rate. Reversine contributes to anti-growth effect in BRCA cell lines, especially for TNBC, by modulating the aurora B. However, the invasiveness, metastasis, and anti-tumor effects of reversine in vivo and in vitro must be further investigated.
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Affiliation(s)
- Di Huang
- Department of Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, No.1 Panfu Road, Yuexiu District, Guangzhou, 510180 Guangdong China
| | - Yu Huang
- Department of Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, No.1 Panfu Road, Yuexiu District, Guangzhou, 510180 Guangdong China
| | - Zisheng Huang
- Department of Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, No.1 Panfu Road, Yuexiu District, Guangzhou, 510180 Guangdong China
| | - Jiefeng Weng
- Department of Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, No.1 Panfu Road, Yuexiu District, Guangzhou, 510180 Guangdong China
| | - Shuai Zhang
- Department of Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, No.1 Panfu Road, Yuexiu District, Guangzhou, 510180 Guangdong China
| | - Weili Gu
- Department of Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, No.1 Panfu Road, Yuexiu District, Guangzhou, 510180 Guangdong China
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MiR-199a-3p inhibits proliferation and induces apoptosis in rheumatoid arthritis fibroblast-like synoviocytes via suppressing retinoblastoma 1. Biosci Rep 2018; 38:BSR20180982. [PMID: 30352835 PMCID: PMC6239273 DOI: 10.1042/bsr20180982] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 09/14/2018] [Accepted: 10/09/2018] [Indexed: 01/04/2023] Open
Abstract
Background Fibroblast-like synoviocytes (FLSs) that line the intimal synovium play a crucial role in the pathogenesis of rheumatoid arthritis (RA). miR-199a-3p is a highly conserved miRNA that has been shown to regulate a variety of growth behaviors in diverse cell types. However, the role of miR-199a-3p in RA-FLS is still unknown. Methods Here, we presented the first experimental evidence showing that miR-199a-3p was a critical regulator of RA-FLS function. Results miR-199a-3p expression was significantly reduced in RA-FLS compared with normal FLS. Ectopic expression of miR-199a-3p significantly inhibited RA-FLS proliferation and induced apoptosis, which was demonstrated by an increase in caspase-3 activity and Bax/Bcl-2 ratio. Our bioinformatics analysis identified Retinoblastoma 1 (RB1) gene to be a direct target of miR-199a-3p. In RA-FLS, miR-199a-3p directly targetted the 3′-UTR of RB1 mRNA and suppressed endogenous RB1 expression, whereas miR-199a-3p-resistant variant of RB1 was not affected. Silencing RB1 decreased cell proliferation and promoted apoptosis in RA-FLS, an effect comparable with miR-199a-3p overexpression. Enforced expression of RB1 partially restored cell proliferation and attenuated apoptosis in miR-199a-3p-overexpressing RA-FLSs. Conclusion In summary, miR-199a-3p is down-regulated in RA-FLS, and miR-199a-3p inhibits proliferation and induces apoptosis in RA-FLS, partially via targetting RB1. The miR-199a-3p/RB1 pathway may represent a new therapeutic target for RA.
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Rodosthenous RS, Kloog I, Colicino E, Zhong J, Herrera LA, Vokonas P, Schwartz J, Baccarelli AA, Prada D. Extracellular vesicle-enriched microRNAs interact in the association between long-term particulate matter and blood pressure in elderly men. ENVIRONMENTAL RESEARCH 2018; 167:640-649. [PMID: 30216846 PMCID: PMC6173640 DOI: 10.1016/j.envres.2018.09.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 08/31/2018] [Accepted: 09/04/2018] [Indexed: 05/19/2023]
Abstract
BACKGROUND Several studies have shown that exposure to particulate matter (PM) may lead to increased systemic blood pressure, but the underlying biological mechanisms remain unknown. Emerging evidence shows that extracellular vesicle-enriched miRNAs (evmiRNAs) are associated with PM exposure and cardiovascular risk. In this study, we investigated the role of evmiRNAs in the association between PM and blood pressure, as well as their epigenetic regulation by DNA methylation. METHODS Participants (n = 22, men) were randomly selected from the Veterans Affairs Normative Aging Study (NAS). Long-term (1-year and 6-month average) PM2.5 exposure was estimated at 1 × 1-km resolution using spatio-temporal prediction models and BC was estimated using validated time varying land use regression models. We analyzed 31 evmiRNAs detected in ≥ 90% of all individuals and for statistical analysis, we used mixed effects models with random intercept adjusted for age, body mass index, smoking, C-reactive protein, platelets, and white blood cells. RESULTS We found that per each 2-standard deviations increase in 6-month PM2.5 ambient levels, there was an increase in 0.19 mm Hg (95% Confidence Interval [95%CI]: 0.11, 0.28 mmHg; p < 0.001) in systolic blood pressure (SBP). Per each 2-standard deviations increase in 1-year PM2.5 levels, there was an increase in 0.11 mm Hg (95% Confidence Interval [95% CI]: 0.03, 0.19 mmHg; p = 0.012) in SBP in older male individuals. We also found that both miR-199a/b (β = 6.13 mmHg; 95% CI: 0.87, 11.39; pinteraction = 0.07) and miR-223-3p (β = 30.17 mmHg; 95% CI: 11.96, 48.39 mmHg; pinteraction = 0.01) modified the association between 1-year PM2.5 and SBP. When exploring DNA methylation as a potential mechanism that could epigenetically regulate expression of evmiRNAs, we found that PM2.5 ambient levels were negatively associated with DNA methylation levels at CpG (cg23972892) near the enhancer region of miR-199a/b (β = -13.11; 95% CI: -17.70, -8.52; pBonferroni< 0.01), but not miR-223-3p. CONCLUSIONS Our findings suggest that expression of evmiRNAs may be regulated by DNA methylation in response to long-term PM2.5 ambient levels and modify the magnitude of association between PM2.5 and systolic blood pressure in older individuals.
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Affiliation(s)
- Rodosthenis S Rodosthenous
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, 665 Huntington Ave, Boston, MA 02115, United States; Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA 02114, United States.
| | - Itai Kloog
- Department of Geography and Environmental Development, Ben-Gurion University of the Negev, 663 Beer Sheva, Israel.
| | - Elena Colicino
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, 665 Huntington Ave, Boston, MA 02115, United States; Icahn School of Medicine, Mount Sinai Hospital, 1 Gustave L. Levy Place, New York, NY 10029-5674, United States.
| | - Jia Zhong
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, 665 Huntington Ave, Boston, MA 02115, United States.
| | - Luis A Herrera
- Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología - Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City 14080, Mexico.
| | - Pantel Vokonas
- Veterans Affairs Boston Healthcare System, 150 South Huntington Ave, Boston, MA 02130, United States; Department of Epidemiology, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118, United States; Department of Medicine, Boston University School of Medicine, 72 East Concord Street, Boston, MA 02118, United States.
| | - Joel Schwartz
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, 665 Huntington Ave, Boston, MA 02115, United States.
| | - Andrea A Baccarelli
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032, United States.
| | - Diddier Prada
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, 665 Huntington Ave, Boston, MA 02115, United States; Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología - Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City 14080, Mexico.
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Zhang L, Hu W, Wu Y, Wei P, Dong L, Hao Z, Fan S, Song Y, Lu Y, Liang C, Wen L. Microwave-Assisted Facile Synthesis of Eu(OH) 3 Nanoclusters with Pro-Proliferative Activity Mediated by miR-199a-3p. ACS APPLIED MATERIALS & INTERFACES 2018; 10:31044-31053. [PMID: 30148600 DOI: 10.1021/acsami.8b10543] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
As a pharmaceutical excipient, dextran serves as an efficient ligand for stabilizing some clinically available inorganic nanomaterials such as iron oxide nanocrystals. Herein, dextran-capped nanosized europium(III) hydroxides [Eu(OH)3] nanoclusters (NCs) composed of 5 nm Eu(OH)3 nanoparticles have been large-scale synthesized via a microwave-accelerated hydrothermal reaction. The as-synthesized Eu(OH)3 NCs exhibited excellent physiological stability and biocompatibility both in vitro and in vivo and possessed considerable pro-proliferative activities in human umbilical vein endothelial cells (HUVECs). To investigate the epigenetic modulation of Eu(OH)3 NCs-elicited proliferation, the newly developed high-throughput next generation sequencing technology was employed herein. As a result, we have screened 371 dysregulated miRNAs in Eu(OH)3 NCs-treated HUVECs and obtained 26 potentially functional miRNAs in promoting cell proliferation. Furthermore, upregulated miR-199a-3p was predicted, validated, and eventually confirmed to be a crucial modulator in the pro-proliferative activity of Eu(OH)3 NCs by targeting zinc fingers and homeoboxes protein 1 (ZHX1). Importantly, these findings provide potential therapeutic strategy for ischemic heart/limb diseases and tissue regeneration by combination of nanomedicine and gene therapy with Eu(OH)3 NCs and miR-199a-3p-ZHX1 axis modulation.
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Affiliation(s)
- Li Zhang
- Department of Urology, the First Affiliated Hospital of Anhui Medical University and Institute of Urology , Anhui Medical University , Hefei , Anhui 230022 , People's Republic of China
| | - Wanglai Hu
- Department of Immunology , Anhui Medical University , Hefei , Anhui 230032 , People's Republic of China
| | - Yadong Wu
- School of Chemistry and Chemical Engineering , Hefei University of Technology , Hefei , Anhui 230009 , People's Republic of China
| | - Pengfei Wei
- Hefei National Laboratory for Physical Sciences at Microscale, The CAS Key Laboratory of Innate Immunity and Chronic Disease, Innovation Center for Cell Signaling Network, School of Life Sciences and Medical Center , University of Science and Technology of China , Hefei , Anhui 230027 , People's Republic of China
| | - Liang Dong
- Hefei National Laboratory for Physical Sciences at Microscale, The CAS Key Laboratory of Innate Immunity and Chronic Disease, Innovation Center for Cell Signaling Network, School of Life Sciences and Medical Center , University of Science and Technology of China , Hefei , Anhui 230027 , People's Republic of China
| | - Zongyao Hao
- Department of Urology, the First Affiliated Hospital of Anhui Medical University and Institute of Urology , Anhui Medical University , Hefei , Anhui 230022 , People's Republic of China
| | - Song Fan
- Department of Urology, the First Affiliated Hospital of Anhui Medical University and Institute of Urology , Anhui Medical University , Hefei , Anhui 230022 , People's Republic of China
| | - Yonghong Song
- School of Chemistry and Chemical Engineering , Hefei University of Technology , Hefei , Anhui 230009 , People's Republic of China
| | - Yang Lu
- School of Chemistry and Chemical Engineering , Hefei University of Technology , Hefei , Anhui 230009 , People's Republic of China
| | - Chaozhao Liang
- Department of Urology, the First Affiliated Hospital of Anhui Medical University and Institute of Urology , Anhui Medical University , Hefei , Anhui 230022 , People's Republic of China
| | - Longping Wen
- Hefei National Laboratory for Physical Sciences at Microscale, The CAS Key Laboratory of Innate Immunity and Chronic Disease, Innovation Center for Cell Signaling Network, School of Life Sciences and Medical Center , University of Science and Technology of China , Hefei , Anhui 230027 , People's Republic of China
- School of Medicine , South China University of Technology , Guangzhou 510006 , People's Republic of China
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Induction of microRNA-199 by Nitric Oxide in Endothelial Cells Is Required for Nitrovasodilator Resistance via Targeting of Prostaglandin I2 Synthase. Circulation 2018; 138:397-411. [DOI: 10.1161/circulationaha.117.029206] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Background:
Nitrates are widely used to treat coronary artery disease, but their therapeutic value is compromised by nitrate tolerance, because of the dysfunction of prostaglandin I2 synthase (PTGIS). MicroRNAs repress target gene expression and are recognized as important epigenetic regulators of endothelial function. The aim of this study was to determine whether nitrates induce nitrovasodilator resistance via microRNA-dependent repression of
PTGIS
gene expression.
Methods:
Nitrovasodilator resistance was induced by nitroglycerin (100 mg·kg
–1
·d
–1
, 3 days) infusion in
Apoe
–/–
mice. The responses of aortic arteries to nitric oxide donors were assessed in an organ chamber. The expression levels of microRNA-199 (miR-199)a/b were assayed by quantitative reverse transcription polymerase chain reaction or fluorescent in situ hybridization.
Results:
In cultured human umbilical vein endothelial cells, nitric oxide donors induced miR-199a/b endogenous expression and downregulated
PTGIS
gene expression, both of which were reversed by 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide potassium salt or silence of serum response factor. Evidence from computational and luciferase reporter gene analyses indicates that the seed sequence of 976 to 982 in the 3′-untranslated region of
PTGIS
mRNA is a target of miR-199a/b. Gain functions of miR-199a/b resulting from chemical mimics or adenovirus-mediated overexpression increased
PTGIS
mRNA degradation in HEK293 cells and human umbilical vein endothelial cells. Furthermore, nitroglycerin-decreased
PTGIS
gene expression was prevented by miR-199a/b antagomirs or was mirrored by the enforced expression of miR-199a/b in human umbilical vein endothelial cells. In
Apoe
–/–
mice, nitroglycerin induced the ectopic expression of miR-199a/b in the carotid arterial endothelium, decreased
PTGIS
gene expression, and instigated nitrovasodilator resistance, all of which were abrogated by miR-199a/b antagomirs or LNA—anti–miR-199. It is important that the effects of miR-199a/b inhibitions were abolished by adenovirus-mediated
PTGIS
deficiency. Moreover, the enforced expression of miR-199a/b in vivo repressed
PTGIS
gene expression and impaired the responses of aortic arteries to nitroglycerin/sodium nitroprusside/acetylcholine/cinaciguat/riociguat, whereas the exogenous expression of the
PTGIS
gene prevented nitrovasodilator resistance in
Apoe
–/–
mice subjected to nitroglycerin infusion or miR-199a/b overexpression. Finally, indomethacin, iloprost, and SQ29548 improved vasorelaxation in nitroglycerin-infused
Apoe
–/–
mice, whereas U51605 induced nitrovasodilator resistance. In humans, the increased expressions of miR-199a/b were closely associated with nitrate tolerance.
Conclusions:
Nitric oxide–induced ectopic expression of miR-199a/b in endothelial cells is required for nitrovasodilator resistance via the repression of
PTGIS
gene expression. Clinically, miR-199a/b is a novel target for the treatment of nitrate tolerance.
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Liu J, Liu B, Guo Y, Chen Z, Sun W, Gao W, Wu H, Wang Y. MiR-199a-3p acts as a tumor suppressor in clear cell renal cell carcinoma. Pathol Res Pract 2018; 214:806-813. [PMID: 29773428 DOI: 10.1016/j.prp.2018.05.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 04/27/2018] [Accepted: 05/05/2018] [Indexed: 10/16/2022]
Abstract
OBJECTIVES To explore the biological function and mechanism of miR-199a-3p in clear cell renal cell carcinoma (CCRCC). METHODS We investigated the expression of miR-199a-3p in CCRCC through quantitative reverse transcriptase polymerase chain reaction (qRT-PCR). Over expression of miR-199a-3p was performed in CCRCC cell lines, and cell growth curve, colony formation capacity, cell invasion, wound healing and cell apoptosis assay were used for investigating the roles of miR-199a-3p in CCRCC. RESULTS The expression of miR-199a-3p in CCRCC tissues was significantly lower than that in para-carcinoma tissues. Functional assay showed that over expression of miR-199a-3p influenced cell growth, colony formation, cell invasion, cell migration and cell apoptosis in CCRCC cell lines. CONCLUSIONS Our work suggested that miR-199a-3p was related to cell growth, colony formation, cell invasion, cell migration and cell apoptosis, which might act as a tumor suppressor in CCRCC.
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Affiliation(s)
- Jianmin Liu
- Department of Urology, First Affiliated Hospital of Bengbu Medical College, Anhui Province, PR China.
| | - Beibei Liu
- Department of Urology, First Affiliated Hospital of Bengbu Medical College, Anhui Province, PR China
| | - Yuanyuan Guo
- Department of Urology, First Affiliated Hospital of Bengbu Medical College, Anhui Province, PR China
| | - Zhijun Chen
- Department of Urology, First Affiliated Hospital of Bengbu Medical College, Anhui Province, PR China
| | - Wei Sun
- Department of Urology, First Affiliated Hospital of Bengbu Medical College, Anhui Province, PR China
| | - Wuyue Gao
- Department of Urology, First Affiliated Hospital of Bengbu Medical College, Anhui Province, PR China
| | - Hongliang Wu
- Department of Urology, First Affiliated Hospital of Bengbu Medical College, Anhui Province, PR China
| | - Yan Wang
- Department of Urology, First Affiliated Hospital of Bengbu Medical College, Anhui Province, PR China
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45
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Li Q, Xia X, Ji J, Ma J, Tao L, Mo L, Chen W. MiR-199a-3p enhances cisplatin sensitivity of cholangiocarcinoma cells by inhibiting mTOR signaling pathway and expression of MDR1. Oncotarget 2018; 8:33621-33630. [PMID: 28422725 PMCID: PMC5464895 DOI: 10.18632/oncotarget.16834] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 03/26/2017] [Indexed: 12/17/2022] Open
Abstract
Several studies have reported reduced miRNA-199a-3p (miR-199a-3p) in different human malignancies, however, little is known about miR-199a-3p in cholangiocarcinoma cells. In this study, we demonstrate the essential role and mechanism of miR-199a-3p in regulating cisplatin sensitivity in cholangiocarcinoma cell lines. Using a CCK-8 cell counting assay we found that expression of miR-199a-3p was positively correlated with cisplatin sensitivity in cholangiocarcinoma cell lines. MiR-199a-3p overexpression could decrease the proliferation rate and increase apoptosis of cholangiocarcinoma cells in the presence of cisplatin, while miR-199a-3p inhibition had the opposite effect. Further study demonstrated that mTOR was the target gene of miR-199a-3p, and that miR-199a-3p mimics could inhibit expression of mTOR, which consequently reduced the phosphorylation of its downstream proteins 4EBP1 and p70s6k. Rescue experiments proved that miR-199a-3p could increase the cisplatin sensitivity of cholangiocarcinoma cell lines by regulating mTOR expression. Moreover, we also found that miR-199a-3p overexpression could reduce cisplatin induced MDR1 expression by decreasing the synthesis and increasing the degradation of MDR1, thus enhancing the effectiveness of cisplatin in cholangiocarcinoma. In conclusion, miR-199a-3p could increase cisplatin sensitivity of cholangiocarcinoma cell lines by inhibiting the activity of the mTOR signaling pathway and decreasing the expression of MDR1.
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Affiliation(s)
- Qiang Li
- Department of General Surgery, The Afflicted Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Xuefeng Xia
- Department of General Surgery, The Afflicted Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Jie Ji
- Nangjing Medical University, Nangjing, China
| | - Jianghui Ma
- Department of General Surgery, The Afflicted Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Liang Tao
- Department of General Surgery, The Afflicted Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Linjun Mo
- School of Surgery, The University of Western Australia, and Western Australia Liver and Kidney Surgical Transplant Service, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia
| | - Wei Chen
- Institute of Molecular Engineering, University of Chicago, Chicago, Illinois, USA
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46
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Cui Y, Wu F, Tian D, Wang T, Lu T, Huang X, Zhang P, Qin L. miR-199a-3p enhances cisplatin sensitivity of ovarian cancer cells by targeting ITGB8. Oncol Rep 2018; 39:1649-1657. [PMID: 29436681 PMCID: PMC5868401 DOI: 10.3892/or.2018.6259] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 01/12/2018] [Indexed: 11/06/2022] Open
Abstract
Drug resistance remains a large obstacle for the treatment of ovarian cancer. miRNAs have been reported to be involved in cisplatin (CDDP) resistance in ovarian cancer. The aim of the present study was to investigate the function and mechanism of miR-199a-3p in the CDDP resistance in ovarian cancer. We found that miR-199a-3p was significantly downregulated in chemoresistant ovarian cancer tissues, as well as CDDP-resistant SKOV3/CDDP cells, compared to chemosensitive carcinomas and SKOV3 cells. Restoration of miR-199a-3p in SKOV3/CDDP cells reduced cell proliferation, G1 phase cell cycle arrest, cell invasion, and increased cell apoptosis, resulting in enhanced CDDP sensitivity, while miR-199a-3p inhibition resulted in the opposite effects. Luciferase reporter assay showed that integrin β8 (ITGB8), one of the integrins that is involved in the regulation of cell cycle and motility, was a direct target of miR-199a-3p. Overexpression of miR-199a-3p downregulated ITGB8 expression via binding to its 3'-UTR. In addition, overexpression of ITGB8 restored CDDP resistance inhibited by miR-199a-3p. Moreover, orthotopic ovarian cancer mouse model showed that miR‑199a-3p enhanced CDDP sensitivity of ovarian cancer in vivo. Therefore, our results indicate that miR-199a-3p enhances CDDP sensitivity of ovarian cancer cells through downregulating ITGB8 expression, and miR-199a-3p may serve as a therapeutic target for the treatment of ovarian cancer patients with CDDP-resistance.
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Affiliation(s)
- Yajie Cui
- Department of Obstetrics and Gynecology, Xi'an No. 4 Hospital, Xi'an, Shaanxi 710002, P.R. China
| | - Fengqin Wu
- Department of Gynecology, Shangluo Central Hospital, Shangluo, Shaanxi 726000, P.R. China
| | - Defu Tian
- Department of General Surgery, Shaanxi Provincial Fourth People's Hospital, Xi'an, Shaanxi 710006, P.R. China
| | - Ting Wang
- Reproductive Medicine Center, Northwest Women and Children's Hospital, Xi'an, Shaanxi 710061, P.R. China
| | - Tianjie Lu
- Department of Obstetrics and Gynecology, Xi'an No. 1 Hospital, Xi'an, Shaanxi 710002, P.R. China
| | - Xiying Huang
- Department of Obstetrics and Gynecology, Xi'an No. 1 Hospital, Xi'an, Shaanxi 710002, P.R. China
| | - Peilian Zhang
- Department of Obstetrics and Gynecology, Xi'an No. 1 Hospital, Xi'an, Shaanxi 710002, P.R. China
| | - Li Qin
- Department of Obstetrics and Gynecology, Shaanxi Province People's Hospital, Xi'an, Shaanxi 710033, P.R. China
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47
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Negative Regulation of PTEN by MicroRNA-221 and Its Association with Drug Resistance and Cellular Senescence in Lung Cancer Cells. BIOMED RESEARCH INTERNATIONAL 2018; 2018:7908950. [PMID: 29876362 PMCID: PMC5831993 DOI: 10.1155/2018/7908950] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Accepted: 01/01/2018] [Indexed: 01/14/2023]
Abstract
Objective Chemotherapy is the routine method for treating many cancers, but long-term treatment may result in developing resistance to the drugs. The aim of this study was to identify whether noncoding RNAs play a role in drug resistance and how they affect drug resistance. Materials and Methods The expression levels of miR-221 in different lung cancer cell lines H226, H1299, and A549 were measured. H1299 and A549 cell lines were transfected to overexpress and downexpress miR-221, and cell viability and cell senescence were determined. The PTEN/Akt pathway was then examined by real-time polymerase chain reaction and Western blot analysis. Results MiR-221 together with proteins MDR1 and ABCG2 was upregulated in Cisplatin-resistant A549 lung cancer cells. Anti-miR-221 inhibits proliferation and induces senescence in lung cancer cells. PTEN/Akt pathway axis was identified as a target of drug resistance induced by miR-221. Conclusion Our results revealed that miR-221 is an important regulator for chemotherapy sensitivity and showed miR-221 as a potential target for drug sensitization.
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48
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Yu W, Zhao S, Wang Y, Zhao BN, Zhao W, Zhou X. Identification of cancer prognosis-associated functional modules using differential co-expression networks. Oncotarget 2017; 8:112928-112941. [PMID: 29348878 PMCID: PMC5762563 DOI: 10.18632/oncotarget.22878] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 11/15/2017] [Indexed: 01/23/2023] Open
Abstract
The rapid accumulation of cancer-related data owing to high-throughput technologies has provided unprecedented choices to understand the progression of cancer and discover functional networks in multiple cancers. Establishment of co-expression networks will help us to discover the systemic properties of carcinogenesis features and regulatory mechanisms of multiple cancers. Here, we proposed a computational workflow to identify differentially co-expressed gene modules across 8 cancer types by using combined gene differential expression analysis methods and a higher-order generalized singular value decomposition. Four co-expression modules were identified; and oncogenes and tumor suppressors were significantly enriched in these modules. Functional enrichment analysis demonstrated the significantly enriched pathways in these modules, including ECM-receptor interaction, focal adhesion and PI3K-Akt signaling pathway. The top-ranked miRNAs (mir-199, mir-29, mir-200) and transcription factors (FOXO4, E2A, NFAT, and MAZ) were identified, which play an important role in deregulating cellular energetics; and regulating angiogenesis and cancer immune system. The clinical significance of the co-expressed gene clusters was assessed by evaluating their predictability of cancer patients’ survival. The predictive power of different clusters and subclusters was demonstrated. Our results will be valuable in cancer-related gene function annotation and for the evaluation of cancer patients’ prognosis.
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Affiliation(s)
- Wenshuai Yu
- Key Laboratory of Embedded System and Service Computing, College of Electronics and Information Engineering, The Ministry of Education, Tongji University, Shanghai, China
| | - Shengjie Zhao
- Key Laboratory of Embedded System and Service Computing, College of Electronics and Information Engineering, The Ministry of Education, Tongji University, Shanghai, China.,College of Software Engineering, Tongji University, Shanghai, China
| | - Yongcui Wang
- Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China
| | | | - Weiling Zhao
- Department of Radiology and Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston Salem, NC, USA
| | - Xiaobo Zhou
- College of Electronics and Information Engineering, Tongji University, Shanghai, China.,Center for Big Data Sciences and Network Security, Tongji University, Shanghai, China.,Center for Bioinformatics and System Biology, Wake Forest University School of Medicine, Winston Salem, NC, USA
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49
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Crossland RE, Norden J, Kralj Juric M, Pearce KF, Lendrem C, Bibby LA, Collin M, Greinix HT, Dickinson AM. Serum and Extracellular Vesicle MicroRNAs miR-423, miR-199, and miR-93* As Biomarkers for Acute Graft-versus-Host Disease. Front Immunol 2017; 8:1446. [PMID: 29176973 PMCID: PMC5686047 DOI: 10.3389/fimmu.2017.01446] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 10/17/2017] [Indexed: 02/06/2023] Open
Abstract
Acute graft-versus-host disease (aGvHD) is a major cause of adverse outcome in hematopoietic stem cell transplantation (HSCT), with a high incidence (20–50%). A novel, non-invasive diagnostic test to predict for prevalence and severity would enable improved prophylaxis and reduce morbidity. Circulatory microRNAs (miRNAs) miR-423, miR-199, miR-93*, and miR-377 have previously been associated with aGvHD in post-HSCT patient plasma, but validation is lacking and their expression within extracellular vesicles (EVs) has not been explored. This study replicated elevated serum expression of miR-423 (p < 0.001), miR-199 (p = 0.04), miR-93* (p < 0.001), and miR-377 (p = 0.03) in aGvHD, using a prognostic cohort of day 14 (D14) post-HSCT patient samples (n = 81). Expression also associated with disease severity. Further analysis at aGvHD diagnosis in an independent cohort (n = 65) confirmed high miR-423 (p = 0.02), miR-199 (p = 0.007), and miR-93* (p = 0.004) expression at disease onset. Investigation of expression patterns during early HSCT sequential timepoints (pre-HSCT to D28) identified elevated miRNAs at D7 post-HSCT in all transplant patients. In a novel investigation of miRNA expression in serum EVs (n = 15), miR-423 (p = 0.09), miR-199 (p = 0.008), and miR-93* (p = 0.001) levels were lower at D14 in patients who later developed aGvHD, and this was replicated for miR-423 (p = 0.02) and miR-199 (p = 0.04) (n = 47). Comparing serum to circulating EVs, at D14 patients remaining aGvHD-free had higher expression of miR-423 (p = 0.03), miR-199 (p = 0.009), and miR-93* (p = 0.002) in the EV fraction. Results verify the capacity for circulating miR-423, miR-199, and miR-93* as diagnostic and prognostic aGvHD biomarkers. The novel finding of their differential expression in EVs suggests a potential role in aGvHD etiology.
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Affiliation(s)
- Rachel E Crossland
- Medical School, Institute for Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Jean Norden
- Medical School, Institute for Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Mateja Kralj Juric
- Department of Internal Medicine I, Medical University of Vienna, Vienna, Austria
| | - Kim F Pearce
- Medical School, Institute for Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Clare Lendrem
- Medical School, Institute for Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Louis A Bibby
- Medical School, Institute for Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Matthew Collin
- Medical School, Institute for Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | | | - Anne M Dickinson
- Medical School, Institute for Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
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50
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Ariana M, Arabi N, Pornour M, Vaseghi H, Ganji SM, Alivand MR, Salari M, Akbari ME. The diversity in the expression profile of caveolin II transcripts, considering its new transcript in breast cancer. J Cell Biochem 2017; 119:2168-2178. [PMID: 28857238 DOI: 10.1002/jcb.26378] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 08/23/2017] [Indexed: 12/18/2022]
Abstract
Most studies have revealed the effects of caveolins in cancer inhibition. However, due to a lack of reports about their new transcripts, their presence and their effects on different cancers are unclear. This study was conducted to evaluate the cavolin-2 (cav-2) transcripts expression changes in tumoral and corresponding tissues and in contralateral breast, to investigate their variation associated with the variation of caveolin-1 (cav-1) expression in breast cancer. There were 40 breast-derived tumoral, corresponding, and contralateral tissues obtained from the patients with breast cancer. The RNA and proteins were extracted from these samples. So, cav-1 and cav-2 transcripts' variation were assessed in whole tumoral, corresponding, and contralateral breast. Also, their expression modifications were evaluated via the Western blotting technique. The results derived from this study verified the presence of transcript III of cav-2 for the first time, which was reported only in the gene bank, but we could not detect and validate any protein associated with these transcripts. Also, the decreasing trend of cav-1 and the cav-2 (transcripts I and II) were observed in tumoral tissues compared to unaffected tissues especially in stages I and II. It seems that the descending expression levels of cav-1 and cav-2 (transcript I, II) besides the lasting expression of cav-2 (transcript III) are associated with the incidence and promotion of breast cancer, especially in the initial stages of breast cancer. So, this may show a potential in determining the patients who can undergo the prophylactic mastectomy. Moreover, the results of the study demonstrated that transcript III may be a candidate as a non-coding RNA.
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Affiliation(s)
- Mehdi Ariana
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nasibeh Arabi
- National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Majid Pornour
- Photo Healing and Regeneration Research Group, Medical Laser research Center, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
| | - Hajar Vaseghi
- Photo Healing and Regeneration Research Group, Medical Laser research Center, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
| | | | - Mohammad Reza Alivand
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Salari
- Mashhad University of Medical Sciences, Mashhad, Iran
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