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Rezazadeh-Gavgani E, Oladghaffari M, Bahramian S, Majidazar R, Dolati S. MicroRNA-21: A critical underestimated molecule in diabetic retinopathy. Gene 2023; 859:147212. [PMID: 36690226 DOI: 10.1016/j.gene.2023.147212] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 12/11/2022] [Accepted: 01/16/2023] [Indexed: 01/22/2023]
Abstract
Diabetes mellitus (DM) has grown in attention in recent years as a result of its debilitating complications and chronic disabilities. Diabetic retinopathy (DR) is a chronic microvascular complication of DM and is considered as the primary reason for blindness in adults. Early diagnosis of diabetes complications along with targeted therapy options are critical in avoiding morbidity and mortality associated with complications of diabetes. miR-21 is an important and widely studied non-coding-RNA (ncRNA) with considerable roles in various pathologic conditions including diabetic complications. miR-21 is one of the most elevated miRNAs in response to hyperglycemia and its role in angiogenesis is a major culprit of a wide range of disorders including DR. The main role of miR-21 in DR pathophysiology is believed to be through regulating angiogenesis in retina. This article aims to outline miR-21 biogenesis and distribution in human body along with discussions about its role in DR pathogenesis and its biomarker value in order to facilitate understanding of the new characteristics of miR-21 in DR management.
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Affiliation(s)
| | - Mobina Oladghaffari
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Shirin Bahramian
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Reza Majidazar
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Sanam Dolati
- Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
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Szydełko J, Matyjaszek-Matuszek B. MicroRNAs as Biomarkers for Coronary Artery Disease Related to Type 2 Diabetes Mellitus-From Pathogenesis to Potential Clinical Application. Int J Mol Sci 2022; 24:ijms24010616. [PMID: 36614057 PMCID: PMC9820734 DOI: 10.3390/ijms24010616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/23/2022] [Accepted: 12/24/2022] [Indexed: 12/31/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disease with still growing incidence among adults and young people worldwide. Patients with T2DM are more susceptible to developing coronary artery disease (CAD) than non-diabetic individuals. The currently used diagnostic methods do not ensure the detection of CAD at an early stage. Thus, extensive research on non-invasive, blood-based biomarkers is necessary to avoid life-threatening events. MicroRNAs (miRNAs) are small, endogenous, non-coding RNAs that are stable in human body fluids and easily detectable. A number of reports have highlighted that the aberrant expression of miRNAs may impair the diversity of signaling pathways underlying the pathophysiology of atherosclerosis, which is a key player linking T2DM with CAD. The preclinical evidence suggests the atheroprotective and atherogenic influence of miRNAs on every step of T2DM-induced atherogenesis, including endothelial dysfunction, endothelial to mesenchymal transition, macrophage activation, vascular smooth muscle cells proliferation/migration, platelet hyperactivity, and calcification. Among the 122 analyzed miRNAs, 14 top miRNAs appear to be the most consistently dysregulated in T2DM and CAD, whereas 10 miRNAs are altered in T2DM, CAD, and T2DM-CAD patients. This up-to-date overview aims to discuss the role of miRNAs in the development of diabetic CAD, emphasizing their potential clinical usefulness as novel, non-invasive biomarkers and therapeutic targets for T2DM individuals with a predisposition to undergo CAD.
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Luo HY, Li G, Liu YG, Wei YH, Chen JB, Gu XF, Tang JQ, Zhao Y, Su CH, Xiao LY, Xiong F, Zheng ZD, Wang SY, Zha LY. The Accelerated Progression of Atherosclerosis Correlates with Decreased miR-33a and miR-21 and Increased miR-122 and miR-3064-5p in Circulation and the Liver of ApoE-/- Mice with Streptozocin (STZ)-Induced Type 2 Diabetes. Curr Issues Mol Biol 2022; 44:4822-4837. [PMID: 36286043 PMCID: PMC9601109 DOI: 10.3390/cimb44100328] [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] [Received: 09/27/2022] [Revised: 10/09/2022] [Accepted: 10/11/2022] [Indexed: 11/16/2022] Open
Abstract
Atherosclerosis is a major risk factor for type 2 diabetes (T2D) mortality. We aim to investigate the changes in miR-21, miR-122, miR-33a and miR-3064-5p in circulation and the liver of ApoE-/- mice with streptozocin (STZ)-induced T2D. Twenty 5-week-old male ApoE-/- mice were randomly assigned to the control (n = 10) and T2D group (n = 10) and intraperitoneally injected with a citrate buffer and streptozotocin (STZ) (40 mg/kg BW) once a day for three consecutive days. The successfully STZ-induced T2D mice (n = 5) and control mice (n = 5) were then fed with a high-fat diet (HFD) for 34 weeks. Compared to the control mice, ApoE-/- mice with STZ-induced T2D had slower (p < 0.05) growth, increased (p < 0.05) total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C), decreased (p < 0.05) high-density lipoprotein cholesterol (HDL-C) in serum, reduced (p < 0.05) TC and sterol regulatory element-binding protein-2 (Srebp-2), elevated (p < 0.05) ATP-binding-cassette-transporter-A1 (Abca1) in the liver, aggravated (p < 0.05) atherosclerotic lesions in the aorta, downregulated (p < 0.05) miR-21 and miR-33a, and upregulated (p < 0.05) miR-122 and miR-3064-5p in serum and the liver. In addition, the aortic lesions showed a positive correlation with miR-122 (r = 1.000, p = 0.001) and a negative correlation with miR-21 (r = −1.000, p = 0.001) in ApoE-/- mice with T2D. In conclusion, T2D-accelerated atherosclerosis correlates with a reduction in miR-21 and miR-33a and an elevation in miR-122 and miR-3064-5p in circulation and the liver of ApoE-/- mice.
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Roy D, Modi A, Khokhar M, Sankanagoudar S, Yadav D, Sharma S, Purohit P, Sharma P. MicroRNA 21 Emerging Role in Diabetic Complications: A Critical Update. Curr Diabetes Rev 2021; 17:122-135. [PMID: 32359340 DOI: 10.2174/1573399816666200503035035] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 03/13/2020] [Accepted: 04/13/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Diabetes Mellitus is a multifactorial disease encompassing various pathogenic pathways. To avoid morbidity and mortality related to diabetic complications, early detection of disease complications as well as targeted therapeutic strategies are essential. INTRODUCTION MicroRNAs (miRs) are short non-coding RNA molecules that regulate eukaryotic posttranscriptional gene expression. MicroRNA-21 has diverse gene regulatory functions and plays a significant role in various complications of Type 2 diabetes mellitus (T2DM). METHODS The study included electronic database searches on Pubmed, Embase, and Web of Science with the search items MicroRNA21 and each of the diabetic complications. The search was carried out up to November, 2019. RESULTS MicroRNA-21 modulates diabetic cardiomyopathy by affecting vascular smooth muscle cell proliferation and apoptosis, cardiac cell growth and death, and cardiac fibroblast functions. At the renal tubules, miR-21 can regulate the mesangial expansion, interstitial fibrosis, macrophage infiltration, podocyte loss, albuminuria and fibrotic and inflammatory gene expression related to diabetic nephropathy. Overexpression of miR-21 has been seen to play a pivotal role in the pathogenesis of diabetic retinopathy by contributing to diabetes-induced endothelial dysfunction as well as low-grade inflammation. CONCLUSION Considering the raised levels of miR-21 in various diabetic complications, it may prove to be a candidate biomarker for diabetic complications. Further, miR-21 antagonists have shown great potential in the treatment of diabetic cardiomyopathy, diabetic nephropathy, diabetic retinopathy, and diabetic neuropathy related complications in the future. The current review is the first of its kind encompassing the roles miR-21 plays in various diabetic complications, with a critical discussion of its future potential role as a biomarker and therapeutic target.
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Affiliation(s)
- Dipayan Roy
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Jodhpur, India
| | - Anupama Modi
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Jodhpur, India
| | - Manoj Khokhar
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Jodhpur, India
| | | | - Dharamveer Yadav
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Jodhpur, India
| | - Shailja Sharma
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Jodhpur, India
| | - Purvi Purohit
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Jodhpur, India
| | - Praveen Sharma
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Jodhpur, India
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Liang YZ, Li JJH, Xiao HB, He Y, Zhang L, Yan YX. Identification of stress-related microRNA biomarkers in type 2 diabetes mellitus: A systematic review and meta-analysis. J Diabetes 2020; 12:633-644. [PMID: 29341487 DOI: 10.1111/1753-0407.12643] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 10/30/2017] [Accepted: 01/09/2018] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Many studies have investigated microRNAs (miRNAs) in the detection of type 2 diabetes mellitus (T2DM). Herein, the dysregulated direction of stress-related miRNAs used as biomarkers of T2DM are summarized and analyzed. METHODS PubMed, EMBASE, ISI Web of Science, and three Chinese databases were searched for case-control miRNA profiling studies about T2DM. A meta-analysis under a random effect was performed. Subgroup analysis was conducted based on different tissues and species. Sensitivity analysis was conducted to confirm the robustness among studies. The effect size was pooled using ln odds ratios (ORs), 95% confidence intervals (95% CIs), and P-values. RESULTS The present meta-analysis included 39 case-control studies with a total of 494 miRNAs. Only 33 miRNAs were reported in three or more studies and, of these, 18 were inconsistent in their direction of dysregulation. Two significantly dysregulated miRNAs (let-7 g and miR-155) were identified in the meta-analysis. Four miRNAs (miR-142-3p, miR-155, miR-21, and miR-34c-5p) were dysregulated in patients with T2DM, whereas five miRNAs (miR-146a, miR-199a-3p, miR-200b, miR-29b and miR-30e) were dysregulated in animal models of diabetes. In addition, two dysregulated miRNAs (miR-146a and miR-21) were highly cornea specific and heart specific. In sensitivity analysis, only miR-155 was still significantly dysregulated after removing studies with small sample sizes. CONCLUSIONS The present meta-analysis revealed that 16 stress-related miRNAs were significantly dysregulated in T2DM. MiR-148b, miR-223, miR-130a, miR-19a, miR-26b and miR-27b were selected as potential circulating biomarkers of T2DM. In addition, miR-146a and miR-21 were identified as potential tissue biomarkers of T2DM.
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Affiliation(s)
- Ying-Zhi Liang
- Department of Epidemiology and Biostatistics, School of Public Health, Capital Medical University, Beijing, China
- Municipal Key Laboratory of Clinical Epidemiology, Beijing, China
| | - Jia-Jiang-Hui Li
- Department of Epidemiology and Biostatistics, School of Public Health, Capital Medical University, Beijing, China
- Municipal Key Laboratory of Clinical Epidemiology, Beijing, China
| | - Huan-Bo Xiao
- Department of Preventive Medicine, Yanjing Medical College, Capital Medical University, Beijing, China
| | - Yan He
- Department of Epidemiology and Biostatistics, School of Public Health, Capital Medical University, Beijing, China
- Municipal Key Laboratory of Clinical Epidemiology, Beijing, China
| | - Ling Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Capital Medical University, Beijing, China
- Municipal Key Laboratory of Clinical Epidemiology, Beijing, China
| | - Yu-Xiang Yan
- Department of Epidemiology and Biostatistics, School of Public Health, Capital Medical University, Beijing, China
- Municipal Key Laboratory of Clinical Epidemiology, Beijing, China
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Martins B, Amorim M, Reis F, Ambrósio AF, Fernandes R. Extracellular Vesicles and MicroRNA: Putative Role in Diagnosis and Treatment of Diabetic Retinopathy. Antioxidants (Basel) 2020; 9:antiox9080705. [PMID: 32759750 PMCID: PMC7463887 DOI: 10.3390/antiox9080705] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/01/2020] [Accepted: 08/02/2020] [Indexed: 02/07/2023] Open
Abstract
Diabetic retinopathy (DR) is a complex, progressive, and heterogenous retinal degenerative disease associated with diabetes duration. It is characterized by glial, neural, and microvascular dysfunction, being the blood-retinal barrier (BRB) breakdown a hallmark of the early stages. In advanced stages, there is formation of new blood vessels, which are fragile and prone to leaking. This disease, if left untreated, may result in severe vision loss and eventually legal blindness. Although there are some available treatment options for DR, most of them are targeted to the advanced stages of the disease, have some adverse effects, and many patients do not adequately respond to the treatment, which demands further research. Oxidative stress and low-grade inflammation are closely associated processes that play a critical role in the development of DR. Retinal cells communicate with each other or with another one, using cell junctions, adhesion contacts, and secreted soluble factors that can act in neighboring or long-distance cells. Another mechanism of cell communication is via secreted extracellular vesicles (EVs), through exchange of material. Here, we review the current knowledge on deregulation of cell-to-cell communication through EVs, discussing the changes in miRNA expression profiling in body fluids and their role in the development of DR. Thereafter, current and promising therapeutic agents for preventing the progression of DR will be discussed.
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Affiliation(s)
- Beatriz Martins
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (B.M.); (M.A.); (F.R.); (A.F.A.)
- Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Madania Amorim
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (B.M.); (M.A.); (F.R.); (A.F.A.)
- Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Flávio Reis
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (B.M.); (M.A.); (F.R.); (A.F.A.)
- Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3000-548 Coimbra, Portugal
| | - António Francisco Ambrósio
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (B.M.); (M.A.); (F.R.); (A.F.A.)
- Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3000-548 Coimbra, Portugal
- Association for Innovation and Biomedical Research on Light and Image (AIBILI), 3000-548 Coimbra, Portugal
| | - Rosa Fernandes
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (B.M.); (M.A.); (F.R.); (A.F.A.)
- Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3000-548 Coimbra, Portugal
- Association for Innovation and Biomedical Research on Light and Image (AIBILI), 3000-548 Coimbra, Portugal
- Correspondence: ; Tel.: +351-239480072
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MicroRNA-21-Enriched Exosomes as Epigenetic Regulators in Melanomagenesis and Melanoma Progression: The Impact of Western Lifestyle Factors. Cancers (Basel) 2020; 12:cancers12082111. [PMID: 32751207 PMCID: PMC7464294 DOI: 10.3390/cancers12082111] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 07/16/2020] [Accepted: 07/24/2020] [Indexed: 02/06/2023] Open
Abstract
DNA mutation-induced activation of RAS-BRAF-MEK-ERK signaling associated with intermittent or chronic ultraviolet (UV) irradiation cannot exclusively explain the excessive increase of malignant melanoma (MM) incidence since the 1950s. Malignant conversion of a melanocyte to an MM cell and metastatic MM is associated with a steady increase in microRNA-21 (miR-21). At the epigenetic level, miR-21 inhibits key tumor suppressors of the RAS-BRAF signaling pathway enhancing proliferation and MM progression. Increased MM cell levels of miR-21 either result from endogenous upregulation of melanocytic miR-21 expression or by uptake of miR-21-enriched exogenous exosomes. Based on epidemiological data and translational evidence, this review provides deeper insights into environmentally and metabolically induced exosomal miR-21 trafficking beyond UV-irradiation in melanomagenesis and MM progression. Sources of miR-21-enriched exosomes include UV-irradiated keratinocytes, adipocyte-derived exosomes in obesity, airway epithelium-derived exosomes generated by smoking and pollution, diet-related exosomes and inflammation-induced exosomes, which may synergistically increase the exosomal miR-21 burden of the melanocyte, the transformed MM cell and its tumor environment. Several therapeutic agents that suppress MM cell growth and proliferation attenuate miR-21 expression. These include miR-21 antagonists, metformin, kinase inhibitors, beta-blockers, vitamin D, and plant-derived bioactive compounds, which may represent new options for the prevention and treatment of MM.
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Wang S, Wu M, Qin L, Song Y, Peng A. DAXX mediates high phosphate-induced endothelial cell apoptosis in vitro through activating ERK signaling. PeerJ 2020; 8:e9203. [PMID: 32596036 PMCID: PMC7307556 DOI: 10.7717/peerj.9203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 04/24/2020] [Indexed: 12/30/2022] Open
Abstract
BACKGROUD AND PURPOSE Hyperphosphatemia, which is a high inorganic phosphate (Pi) level in the serum, promotes endothelial cells dysfunction and is associated with cardiovascular diseases in patients with chronic kidney diseases (CKD). However, the underlying mechanism of high Pi-induced endothelia cell apoptosis remains unclear. METHODS Human umbilical vein endothelial cells (HUVECs) were treated with normal Pi (1.0 mM) and high Pi (3.0 mM), and then cell apoptosis, abnormal gene expression and potential signaling pathway involvement in simulated hyperphosphatemia were examined using flow cytometry, quantitative PCR (qPCR) and western blot analysis. A two-step 5/6 nephrectomy was carried out to induce CKD and biochemical measurements were taken. RESULTS The rat model of CKD revealed that hyperphosphatemia is correlated with an increased death-domain associated protein (DAXX) expression in endothelial cells. In vitro, high Pi increased the mRNA and protein expression level of DAXX in HUVECs, effects that were reversed by additional phosphonoformic acid treatment. Functionally, high Pi resulted in a significantly increased apoptosis in HUVECs, whereas DAXX knockdown markedly repressed high Pi-induced cell apoptosis, indicating that DAXX mediated high Pi-induced endothelial cell apoptosis. High Pi treatment and DAXX overexpression induced the activation of extracellular regulated protein kinases (ERKs), while DAXX knockdown inhibited high Pi-induced ERKs activation. Finally, we demonstrated that DAXX overexpression induced HUVECs apoptosis in the presence of normal Pi, whereas additional treatment with U0126 (a specific ERK inhibitor) reversed that effect. CONCLUSION Upregulated DAXX promoted high Pi-induced HUVECs apoptosis by activating ERK signaling and indicated that the DAXX/ERK signaling axis may be served as a potential target for CKD therapy.
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Affiliation(s)
- Shu Wang
- Nephrology and Rheumatology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Mingyu Wu
- Nephrology and Rheumatology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Ling Qin
- Nephrology and Rheumatology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yaxiang Song
- Nephrology and Rheumatology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Ai Peng
- Nephrology and Rheumatology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
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Meta-Analysis of the Potential Role of miRNA-21 in Cardiovascular System Function Monitoring. BIOMED RESEARCH INTERNATIONAL 2020; 2020:4525410. [PMID: 32337248 PMCID: PMC7150722 DOI: 10.1155/2020/4525410] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 03/17/2020] [Indexed: 02/07/2023]
Abstract
MicroRNAs (miRNAs) are short and noncoding RNA fragments that bind to the messenger RNA. They have different roles in many physiological or pathological processes. MicroRNA-21, one of the first miRNAs discovered, is encoded by the MIR21 gene and is located on the chromosomal positive strand 17q23.2. MicroRNA-21 is transcribed by polymerase II and has its own promoter sequence, although it is in an intron. It is intra- and extracellular and can be found in many body fluids, alone or combined with another molecule. It regulates many signalling pathways and therefore plays an important role in the cardiovascular system. Indeed, it is involved in the differentiation and migration of endothelial cells and angiogenesis. It contributes to the reconstruction of a myocardial infarction, and it can also act as a cellular connector or as an antagonist to cardiac cell apoptosis. By playing all these roles, it can be interesting to use it as a biomarker, especially for cardiovascular diseases.
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Varghese E, Liskova A, Kubatka P, Samuel SM, Büsselberg D. Anti-Angiogenic Effects of Phytochemicals on miRNA Regulating Breast Cancer Progression. Biomolecules 2020; 10:biom10020191. [PMID: 32012744 PMCID: PMC7072640 DOI: 10.3390/biom10020191] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 01/19/2020] [Accepted: 01/25/2020] [Indexed: 12/16/2022] Open
Abstract
Several phytochemicals have been identified for their role in modifying miRNA regulating tumor progression. miRNAs modulate the expression of several oncogenes and tumor suppressor genes including the genes that regulate tumor angiogenesis. Hypoxia inducible factor-1 alpha (HIF-1α) signaling is a central axis that activates oncogenic signaling and acts as a metabolic switch in endothelial cell (EC) driven tumor angiogenesis. Tumor angiogenesis driven by metabolic reprogramming of EC is crucial for tumor progression and metastasis in many different cancers, including breast cancers, and has been linked to aberrant miRNA expression profiles. In the current article, we identify different miRNAs that regulate tumor angiogenesis in the context of oncogenic signaling and metabolic reprogramming in ECs and review how selected phytochemicals could modulate miRNA levels to induce an anti-angiogenic action in breast cancer. Studies involving genistein, epigallocatechin gallate (EGCG) and resveratrol demonstrate the regulation of miRNA-21, miRNA-221/222 and miRNA-27, which are prognostic markers in triple negative breast cancers (TNBCs). Modulating the metabolic pathway is a novel strategy for controlling tumor angiogenesis and tumor growth. Cardamonin, curcumin and resveratrol exhibit their anti-angiogenic property by targeting the miRNAs that regulate EC metabolism. Here we suggest that using phytochemicals to target miRNAs, which in turn suppresses tumor angiogenesis, should have the potential to inhibit tumor growth, progression, invasion and metastasis and may be developed into an effective therapeutic strategy for the treatment of many different cancers where tumor angiogenesis plays a significant role in tumor growth and progression.
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Affiliation(s)
- Elizabeth Varghese
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha P.O. Box 24144, Qatar; (E.V.); (S.M.S.)
| | - Alena Liskova
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 03601 Martin, Slovakia;
| | - Peter Kubatka
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 03601 Martin, Slovakia;
| | - Samson Mathews Samuel
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha P.O. Box 24144, Qatar; (E.V.); (S.M.S.)
| | - Dietrich Büsselberg
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha P.O. Box 24144, Qatar; (E.V.); (S.M.S.)
- Correspondence: ; Tel.: +974-4492-8334; Fax: +974-4492-8333
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Ibrahim AA, Soliman HM, El-Lebedy D, Hassan M, Helmy NA, Abdel Hamid TA, Abdelhamid N. Expression of exosomal miR-21 and miR-29 in serum of children and adolescents with T1DM and persistent microalbuminuria. GENE REPORTS 2019. [DOI: 10.1016/j.genrep.2019.100461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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12
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Zhai B, Zhang L, Wang C, Zhao Z, Zhang M, Li X. Identification of microRNA-21 target genes associated with hair follicle development in sheep. PeerJ 2019; 7:e7167. [PMID: 31293827 PMCID: PMC6599667 DOI: 10.7717/peerj.7167] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Accepted: 05/22/2019] [Indexed: 01/20/2023] Open
Abstract
Aim The target molecule regulatory function of microRNA-21 (miR-21) in multiple signalling pathways has become a main focus of genetic and pharmacological regulatory studies of various diseases. The identification of target genes for miRNA-21 in the development of hair follicles can provide new research pathways for the regulation of cell development. Methods In the present study, eight six-month-old ewes from Super Merino (SM) and Small Tailed Han (STH) sheep breeds were selected. Target prediction and dual-luciferase wild-type and mutant vectors were used to identify the target genes of miR-21. Quantitative reverse transcription polymerase chain reaction (RT-qPCR) and bioinformatics analysis were conducted to analyze the effects of miR-21. Results The results show that the expressions of CNKSR2, KLF3 and TNPO1 were downregulated by miRNA-21 at rates of 36%, 26% and 48%, respectively. Moreover, there was a significant negative correlation between the expression of miR-21 and the three target genes in sheep with two extreme phenotypes. The expression of microRNA-21in October was significantly lower than that in January and February; while the expression of CNKSR2, KLF3 and TNPO1 in October was higher than that in January and February. Conclusions: These results suggest that CNKSR2, KLF3 and TNPO1 are three newly discovered target genes of miR-21 and might be involved in the effects of miR-21 on hair follicle development.
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Affiliation(s)
- Bo Zhai
- Jilin Academy of Agricultural Science, Branch of Animal Husbandry, Gongzhuling, China
| | - Lichun Zhang
- Jilin Academy of Agricultural Science, Branch of Animal Husbandry, Gongzhuling, China
| | - Chunxin Wang
- Jilin Academy of Agricultural Science, Branch of Animal Husbandry, Gongzhuling, China
| | - Zhuo Zhao
- Jilin Academy of Agricultural Science, Branch of Animal Husbandry, Gongzhuling, China
| | - Mingxin Zhang
- Jilin Academy of Agricultural Science, Branch of Animal Husbandry, Gongzhuling, China
| | - Xu Li
- Jilin Academy of Agricultural Science, Branch of Animal Husbandry, Gongzhuling, China
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Baćević M, Brković B, Lambert F, Djukić L, Petrović N, Roganović J. Leukocyte- and platelet-rich fibrin as graft material improves microRNA-21 expression and decreases oxidative stress in the calvarial defects of diabetic rabbits. Arch Oral Biol 2019; 102:231-237. [PMID: 31082699 DOI: 10.1016/j.archoralbio.2019.05.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 04/29/2019] [Accepted: 05/06/2019] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Leukocyte- and platelet-rich fibrin (L-PRF) represents a natural, low-cost product which may promote tissue healing by mechanisms not fully elucidated. Diabetes mellitus (DM) disrupts bone healing by inducing inflammation and oxidative stress (OS), mechanisms regulated by microRNAs (miRs). The aim of the present study was to investigate the microRNA-21 (miR-21) involvement in diabetic bone regeneration using L-PRF alone or in combination with a standard grafting material. DESIGN After the induction of diabetes (alloxan 100 mg/kg), four cranial osteotomies were made in diabetic (n = 12) and non-diabetic (n = 12) rabbits: one was left empty and the remaining three were grafted with L-PRF, bovine hydroxyapatite (Bio-Oss®) and L-PRF + Bio-Oss®. Two and eight weeks postoperatively, the samples were harvested for miR-21 expression (Real-time RT-PCR) and enzyme-linked immunosorbent assay analyses. RESULTS Diabetic rabbits showed decreased miR-21 and matrix metalloproteinase-9 (MMP-9) protein expression while increased malondialdehyde (MDA) levels two weeks postoperatively; however, there were no significant differences in miR-21 and MMP-9 levels between diabetic and non-diabetic rabbits in samples taken eight weeks postoperatively. Application of L-PRF and L-PRF + Bio-Oss® improved miR-21 and MMP-9 and decreased MDA levels while Bio-Oss® alone enhanced superoxide dismutase (SOD) activity levels in diabetic rabbits. CONCLUSION L-PRF alone or in combination with bovine hydroxyapatite as bone graft could be beneficial in DM since it seems to improve inflammation-modulatory miR-21 expression and decreases oxidative stress.
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Affiliation(s)
- Miljana Baćević
- Dental Biomaterial Research Unit (d-BRU), Faculty of Medicine, University of Liege, Liege, Belgium
| | - Božidar Brković
- Department of Oral Surgery, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - France Lambert
- Department of Periodontology and Oral Surgery, Faculty of Medicine, University of Liege, Belgium
| | - Ljiljana Djukić
- Department of Pharmacology in Dentistry, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Nina Petrović
- Department of Radiobiology and Molecular Genetics, Institute of Nuclear Sciences Vinča, University of Belgrade, Belgrade, Serbia; Institute of Oncology and Radiology of Serbia, Belgrade, Serbia
| | - Jelena Roganović
- Department of Pharmacology in Dentistry, School of Dental Medicine, University of Belgrade, Belgrade, Serbia.
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14
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Abstract
Diabetes mellitus, together with its complications, has been increasing in prevalence worldwide. Its complications include cardiovascular disease (e.g., myocardial infarction, stroke), neuropathy, nephropathy, and eye complications (e.g., glaucoma, cataracts, retinopathy, and macular edema). In patients with either type 1 or type 2 diabetes mellitus, diabetic retinopathy is the leading cause of visual impairment or blindness. It is characterized by progressive changes in the retinal microvasculature. The progression from nonproliferative diabetic retinopathy to a more advanced stage of moderate to severe nonproliferative diabetic retinopathy and proliferative diabetic retinopathy occurs very quickly after diagnosis of mild nonproliferative diabetic retinopathy. The etiology of diabetic retinopathy is unclear, and present treatments have limited effectiveness. Currently diabetic retinopathy can only be diagnosed by a trained specialist, which reduces the population that can be examined. A screening biomarker of diabetic retinopathy with high sensitivity and specificity would aid considerably in identifying those individuals in need of clinical assessment and treatment. The majority of the studies reviewed identified specific microRNAs in blood serum/plasma able to distinguish diabetic patients with retinopathy from those without retinopathy and for the progresion of the disease from nonproliferative diabetic retinopathy to proliferative diabetic retinopathy. In addition, certain microRNAs in vitreous humor were dysregulated in proliferative diabetic retinopathy compared to controls. A very high percentage of patients with diabetic retinopathy develop Alzheimer’s disease. Thus, identifying diabetic retinopathy by measurement of suitable biomarkers would also enable better screening and treatment of those individuals at risk of Alzheimer’s disease.
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Affiliation(s)
- Bridget Martinez
- Department of Molecular & Cellular Biology, University of California, Merced, Merced, California, USA; Department of Medicine, St. Georges University School of Medicine, Grenada; Department of Physics and Engineering, Los Alamos National Laboratory, Los Alamos, New Mexico, USA
| | - Philip V Peplow
- Department of Anatomy, University of Otago, Dunedin, New Zealand
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15
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Sun L, Li W, Lei F, Li X. The regulatory role of microRNAs in angiogenesis-related diseases. J Cell Mol Med 2018; 22:4568-4587. [PMID: 29956461 PMCID: PMC6156236 DOI: 10.1111/jcmm.13700] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 04/17/2018] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression at a post-transcriptional level via either the degradation or translational repression of a target mRNA. They play an irreplaceable role in angiogenesis by regulating the proliferation, differentiation, apoptosis, migration and tube formation of angiogenesis-related cells, which are indispensable for multitudinous physiological and pathological processes, especially for the occurrence and development of vascular diseases. Imbalance between the regulation of miRNAs and angiogenesis may cause many diseases such as cancer, cardiovascular disease, aneurysm, Kawasaki disease, aortic dissection, phlebothrombosis and diabetic microvascular complication. Therefore, it is important to explore the essential role of miRNAs in angiogenesis, which might help to uncover new and effective therapeutic strategies for vascular diseases. This review focuses on the interactions between miRNAs and angiogenesis, and miRNA-based biomarkers in the diagnosis, treatment and prognosis of angiogenesis-related diseases, providing an update on the understanding of the clinical value of miRNAs in targeting angiogenesis.
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Affiliation(s)
- Li‐Li Sun
- Department of Vascular Surgerythe Affiliated Drum Tower HospitalNanjing University Medical SchoolNanjingChina
- Department of Vascular Surgerythe Second Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Wen‐Dong Li
- Department of Vascular Surgerythe Affiliated Drum Tower HospitalNanjing University Medical SchoolNanjingChina
| | - Feng‐Rui Lei
- Department of Vascular Surgerythe Second Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Xiao‐Qiang Li
- Department of Vascular Surgerythe Affiliated Drum Tower HospitalNanjing University Medical SchoolNanjingChina
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16
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Mena HA, Zubiry PR, Dizier B, Schattner M, Boisson-Vidal C, Negrotto S. Acidic preconditioning of endothelial colony-forming cells (ECFC) promote vasculogenesis under proinflammatory and high glucose conditions in vitro and in vivo. Stem Cell Res Ther 2018; 9:120. [PMID: 29720269 PMCID: PMC5930427 DOI: 10.1186/s13287-018-0872-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 03/19/2018] [Accepted: 04/12/2018] [Indexed: 02/07/2023] Open
Abstract
Background We have previously demonstrated that acidic preconditioning of human endothelial colony-forming cells (ECFC) increased proliferation, migration, and tubulogenesis in vitro, and increased their regenerative potential in a murine model of hind limb ischemia without baseline disease. We now analyze whether this strategy is also effective under adverse conditions for vasculogenesis, such as the presence of ischemia-related toxic molecules or diabetes, one of the main target diseases for cell therapy due to their well-known healing impairments. Methods Cord blood-derived CD34+ cells were seeded in endothelial growth culture medium (EGM2) and ECFC colonies were obtained after 14–21 days. ECFC were exposed at pH 6.6 (preconditioned) or pH 7.4 (nonpreconditioned) for 6 h, and then pH was restored at 7.4. A model of type 2 diabetes induced by a high-fat and high-sucrose diet was developed in nude mice and hind limb ischemia was induced in these animals by femoral artery ligation. A P value < 0.05 was considered statistically significant (by one-way analysis of variance). Results We found that acidic preconditioning increased ECFC adhesion and the release of pro-angiogenic molecules, and protected ECFC from the cytotoxic effects of monosodium urate crystals, histones, and tumor necrosis factor (TNF)α, which induced necrosis, pyroptosis, and apoptosis, respectively. Noncytotoxic concentrations of high glucose, TNFα, or their combination reduced ECFC proliferation, stromal cell-derived factor (SDF)1-driven migration, and tubule formation on a basement membrane matrix, whereas almost no inhibition was observed in preconditioned ECFC. In type 2 diabetic mice, intravenous administration of preconditioned ECFC significantly induced blood flow recovery at the ischemic limb as measured by Doppler, compared with the phosphate-buffered saline (PBS) and nonpreconditioned ECFC groups. Moreover, the histologic analysis of gastrocnemius muscles showed an increased vascular density and reduced signs of inflammation in the animals receiving preconditioned ECFC. Conclusions Acidic preconditioning improved ECFC survival and angiogenic activity in the presence of proinflammatory and damage signals present in the ischemic milieu, even under high glucose conditions, and increased their therapeutic potential for postischemia tissue regeneration in a murine model of type 2 diabetes. Collectively, our data suggest that acidic preconditioning of ECFC is a simple and inexpensive strategy to improve the effectiveness of cell transplantation in diabetes, where tissue repair is highly compromised. Electronic supplementary material The online version of this article (10.1186/s13287-018-0872-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hebe Agustina Mena
- Experimental Thrombosis Laboratory, Institute of Experimental Medicine (IMEX), National Academy of Medicine-CONICET, Pacheco de Melo, 3081, Buenos Aires, Argentina
| | - Paula Romina Zubiry
- Experimental Thrombosis Laboratory, Institute of Experimental Medicine (IMEX), National Academy of Medicine-CONICET, Pacheco de Melo, 3081, Buenos Aires, Argentina
| | - Blandine Dizier
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France.,INSERM, UMR-S1140, Paris, France
| | - Mirta Schattner
- Experimental Thrombosis Laboratory, Institute of Experimental Medicine (IMEX), National Academy of Medicine-CONICET, Pacheco de Melo, 3081, Buenos Aires, Argentina
| | - Catherine Boisson-Vidal
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France.,INSERM, UMR-S1140, Paris, France
| | - Soledad Negrotto
- Experimental Thrombosis Laboratory, Institute of Experimental Medicine (IMEX), National Academy of Medicine-CONICET, Pacheco de Melo, 3081, Buenos Aires, Argentina.
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17
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Qiu F, Tong H, Wang Y, Tao J, Wang H, Chen L. Inhibition of miR-21-5p suppresses high glucose-induced proliferation and angiogenesis of human retinal microvascular endothelial cells by the regulation of AKT and ERK pathways via maspin. Biosci Biotechnol Biochem 2018; 82:1366-1376. [PMID: 29658404 DOI: 10.1080/09168451.2018.1459179] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The aim of the present study is to investigate the role of miR-21-5p in angiogenesis of human retinal microvascular endothelial cells (HRMECs). HRMECs were incubated with 5 mM glucose, 30 mM glucose or 30 mM mannitol for 24 h, 48 h or 72 h. Then, HRMECs exposed to 30 mM glucose were transfected with miR-21-5p inhibitor. We found that high glucose increased the expression of miR-21-5p, VEGF, VEGFR2 and cell proliferation activity. Inhibition of miR-21-5p reduced high glucose-induced proliferation, migration, tube formation of HRMECs, and reversed the decreased expression of maspin as well as the abnormal activation of PI3K/AKT and ERK pathways. Down-regulation of maspin by siRNA significantly increased the activities of PI3K/AKT and ERK pathways. In conclusion, inhibition of miR-21-5p could suppress high glucose-induced proliferation and angiogenesis of HRMECs, and these effects may partly dependent on the regulation of PI3K/AKT and ERK pathways via its target protein maspin.
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Affiliation(s)
- Feng Qiu
- a Department of Ophthalmology , The First Affiliated Hospital of China Medical University , Shenyang , People's Republic of China.,b Department of Ophthalmology , Shenyang Fourth People's Hospital , Shenyang , People's Republic of China
| | - Huijuan Tong
- c Department of Nursing , Shenyang Medical College , Shenyang , People's Republic of China
| | - Yawen Wang
- b Department of Ophthalmology , Shenyang Fourth People's Hospital , Shenyang , People's Republic of China
| | - Jun Tao
- b Department of Ophthalmology , Shenyang Fourth People's Hospital , Shenyang , People's Republic of China
| | - Hailin Wang
- b Department of Ophthalmology , Shenyang Fourth People's Hospital , Shenyang , People's Republic of China
| | - Lei Chen
- a Department of Ophthalmology , The First Affiliated Hospital of China Medical University , Shenyang , People's Republic of China
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18
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Roles of miRNAs and long noncoding RNAs in the progression of diabetic retinopathy. Biosci Rep 2017; 37:BSR20171157. [PMID: 29074557 PMCID: PMC5705777 DOI: 10.1042/bsr20171157] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 10/22/2017] [Accepted: 10/25/2017] [Indexed: 02/07/2023] Open
Abstract
Diabetic retinopathy (DR) is the leading cause of blindness in working-age adults across the world. The pathogenesis of DR is multifactorial and the molecular mechanisms are still not fully understood. Accumulating evidence has demonstrated that noncoding RNAs (ncRNAs) may be aberrantly expressed and may play vital roles in the development of DR. Amongst ncRNAs, miRNAs and long ncRNAs (lncRNAs) are known for their regulatory functions. Here, we summarize the functions and mechanisms of known aberrantly expressed miRNAs and lncRNAs in DR. Additionally, a novel lncRNA–mRNA–miRNA network is included in this review. We highlight original studies that provide detailed data about the mechanisms of miRNAs and lncRNAs, their applications as diagnostic or prognostic biomarkers, and their potential therapeutic targets. In conclusion, this review will help us gain a better understanding of the molecular mechanisms by which miRNAs and lncRNAs perform their functions in DR, and provide general strategies and directions for future research.
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19
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Zhang S, Wu Y, Xuan Z, Chen X, Zhang J, Ge D, Wang X. Screening differential miRNAs responsible for permeability increase in HUVECs infected with influenza A virus. PLoS One 2017; 12:e0186477. [PMID: 29059211 PMCID: PMC5653366 DOI: 10.1371/journal.pone.0186477] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Accepted: 10/01/2017] [Indexed: 11/24/2022] Open
Abstract
Severe influenza infections are featured by acute lung injury, a syndrome of increased pulmonary microvascular permeability. A growing number of evidences have shown that influenza A virus induces cytoskeletal rearrangement and permeability increase in endothelial cells. Although miRNA’s involvement in the regulation of influenza virus infection and endothelial cell (EC) function has been well documented, little is known about the miRNA profiles in influenza-infected endothelial cells. Using human umbilical vein endothelial cells (HUVECs) as cell models, the present study aims to explore the differential miRNAs in influenza virus-infected ECs and analyze their target genes involved in EC permeability regulation. As the results showed, permeability increased and F-actin cytoskeleton reorganized after HUVECs infected with influenza A virus (CA07 or PR8) at 30 MOI. MicroRNA microarray revealed a multitude of miRNAs differentially expressed in HUVECs after influenza virus infection. Through target gene prediction, we found that a series of miRNAs were involved in PKC, Rho/ROCK, HRas/Raf/MEK/ERK, and Ca2+/CaM pathways associated with permeability regulation, and most of these miRNAs were down-regulated after flu infection. It has been reported that PKC, Rho/ROCK, HRas/Raf/MEK/ERK, and Ca2+/CaM pathways are activated by flu infection and play important roles in permeability regulation. Therefore, the cumulative effects of these down-regulated miRNAs which synergistically enhanced activation of PKC, Rho/ROCK, Ras/Raf/MEK/ERK, and Ca2+/CaM pathways, can eventually lead to actin rearrangement and hyperpermeability in flu-infected HUVECs.
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Affiliation(s)
- Shujing Zhang
- Scientific Research Center, Beijing University of Chinese Medicine, Beijing, China
| | - Ying Wu
- Department of Microbiology and Immunology, School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
- * E-mail:
| | - Zinan Xuan
- Department of Microbiology and Immunology, School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaoming Chen
- Department of Microbiology and Immunology, School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Junjie Zhang
- Department of Microbiology and Immunology, School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Dongyu Ge
- Scientific Research Center, Beijing University of Chinese Medicine, Beijing, China
| | - Xudan Wang
- Department of Microbiology and Immunology, School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
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20
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Zhang L, Liu X, Liu J, Zhou Z, Song Y, Cao B, An X. miR-182 aids in receptive endometrium development in dairy goats by down-regulating PTN expression. PLoS One 2017; 12:e0179783. [PMID: 28678802 PMCID: PMC5497977 DOI: 10.1371/journal.pone.0179783] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Accepted: 06/04/2017] [Indexed: 02/04/2023] Open
Abstract
Increasing evidence has shown that miRNAs play important roles in endometrium development during the menstrual cycle in humans and many other animals. Our previous data indicated that miR-182 levels increase 15.55-fold and pleiotrophin (PTN) levels decrease 20.97-fold in the receptive endometrium (RE, D15) compared with the pre-receptive endometrium (PE, D5) in dairy goats. The present study shows that miR-182 is widely expressed in different tissues of dairy goats and that its expression levels are regulated by E2 and P4 in endometrial epithelium cells (EECs). We confirmed that PTN is a target of miR-182 and that miR-182 regulates the protein levels of AKT, Bcl-2, FAS, MAPK, Caspase-3 and SP1 in EECs. Furthermore, miR-182 up-regulates or maintains the expression levels of osteopontin (OPN), cyclooxygenase-2 (COX-2) and prolactin receptor (PRLR) in EECs, suggesting that miR-182 is an important regulatory factor in the construction of endometrial receptivity in dairy goats. In conclusion, miR-182 participates in the development of endometrial receptivity by down-regulating PTN and affecting the expression of select apoptosis-related genes and increasing or maintaining the expression levels of OPN, COX-2 and PRLR in the EECs of dairy goats.
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Affiliation(s)
- Lei Zhang
- College of Animal Science and Technology, Northwest Agriculture and Forestry University, Yangling, Shaanxi, China
| | - Xiaorui Liu
- College of Animal Science and Technology, Northwest Agriculture and Forestry University, Yangling, Shaanxi, China
| | - Junze Liu
- College of Animal Science and Technology, Northwest Agriculture and Forestry University, Yangling, Shaanxi, China
| | - Zhanqin Zhou
- College of Animal Science and Technology, Northwest Agriculture and Forestry University, Yangling, Shaanxi, China
| | - Yuxuan Song
- College of Animal Science and Technology, Northwest Agriculture and Forestry University, Yangling, Shaanxi, China
| | - Binyun Cao
- College of Animal Science and Technology, Northwest Agriculture and Forestry University, Yangling, Shaanxi, China
| | - Xiaopeng An
- College of Animal Science and Technology, Northwest Agriculture and Forestry University, Yangling, Shaanxi, China
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21
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Zhang Y, Sun X, Icli B, Feinberg MW. Emerging Roles for MicroRNAs in Diabetic Microvascular Disease: Novel Targets for Therapy. Endocr Rev 2017. [DOI: 10.1210/er.2016-1122.2017.1.test] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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22
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Zhang Y, Sun X, Icli B, Feinberg MW. Emerging Roles for MicroRNAs in Diabetic Microvascular Disease: Novel Targets for Therapy. Endocr Rev 2017; 38:145-168. [PMID: 28323921 PMCID: PMC5460677 DOI: 10.1210/er.2016-1122] [Citation(s) in RCA: 128] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 02/13/2017] [Indexed: 12/11/2022]
Abstract
Chronic, low-grade systemic inflammation and impaired microvascular function are critical hallmarks in the development of insulin resistance. Accordingly, insulin resistance is a major risk factor for type 2 diabetes and cardiovascular disease. Accumulating studies demonstrate that restoration of impaired function of the diabetic macro- and microvasculature may ameliorate a range of cardiovascular disease states and diabetes-associated complications. In this review, we focus on the emerging role of microRNAs (miRNAs), noncoding RNAs that fine-tune target gene expression and signaling pathways, in insulin-responsive tissues and cell types important for maintaining optimal vascular homeostasis and preventing the sequelae of diabetes-induced end organ injury. We highlight current pathophysiological paradigms of miRNAs and their targets involved in regulating the diabetic microvasculature in a range of diabetes-associated complications such as retinopathy, nephropathy, wound healing, and myocardial injury. We provide an update of the potential use of circulating miRNAs diagnostically in type I or type II diabetes. Finally, we discuss emerging delivery platforms for manipulating miRNA expression or function as the next frontier in therapeutic intervention to improve diabetes-associated microvascular dysfunction and its attendant clinical consequences.
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Affiliation(s)
- Yu Zhang
- Department of Medicine, Cardiovascular Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Department of Pharmacology and Pharmacy, University of Hong Kong, Pokfulam, Hong Kong SAR, China, and
| | - Xinghui Sun
- Department of Medicine, Cardiovascular Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, Nebraska 68588
| | - Basak Icli
- Department of Medicine, Cardiovascular Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115
| | - Mark W. Feinberg
- Department of Medicine, Cardiovascular Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115
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23
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Choe N, Kwon DH, Shin S, Kim YS, Kim YK, Kim J, Ahn Y, Eom GH, Kook H. The microRNA miR-124 inhibits vascular smooth muscle cell proliferation by targeting S100 calcium-binding protein A4 (S100A4). FEBS Lett 2017; 591:1041-1052. [PMID: 28235243 DOI: 10.1002/1873-3468.12606] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 02/08/2017] [Accepted: 02/17/2017] [Indexed: 12/21/2022]
Abstract
S100 calcium-binding protein A4 (S100A4) induces proliferation and migration of vascular smooth muscle cells (VSMCs). We aimed to find the microRNA regulating S100A4 expression. S100A4 transcripts are abruptly increased in the acute phase of carotid arterial injury 1 day later (at day 1) but gradually decreases at days 7 and 14. Bioinformatics analysis reveals that miR-124 targets S100A4. VSMC survival is attenuated by miR-124 mimic but increased by miR-124 inhibitor. miR-124 decreases immediately after carotid arterial injury but dramatically increases at days 7 and 14. miR-124 inhibitor-induced cell proliferation is blocked by S100A4 siRNA, whereas miR-124-induced cell death is recovered by S100A4. Our findings suggest that miR-124 is a novel regulator of VSMC proliferation and may play a role in the development of neointimal proliferation.
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Affiliation(s)
- Nakwon Choe
- Department of Pharmacology, Chonnam National University Medical School, Gwangju, Korea.,Basic Research Laboratory for Cardiac Remodeling, Chonnam National University Medical School, Gwangju, Korea
| | - Duk-Hwa Kwon
- Department of Pharmacology, Chonnam National University Medical School, Gwangju, Korea.,Basic Research Laboratory for Cardiac Remodeling, Chonnam National University Medical School, Gwangju, Korea
| | - Sera Shin
- Department of Pharmacology, Chonnam National University Medical School, Gwangju, Korea.,Basic Research Laboratory for Cardiac Remodeling, Chonnam National University Medical School, Gwangju, Korea
| | - Yong Sook Kim
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
| | - Young-Kook Kim
- Basic Research Laboratory for Cardiac Remodeling, Chonnam National University Medical School, Gwangju, Korea.,Department of Biochemistry, Chonnam National University Medical School, Gwangju, Korea
| | - Jaetaek Kim
- Basic Research Laboratory for Cardiac Remodeling, Chonnam National University Medical School, Gwangju, Korea.,Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Chung-Ang University, Seoul, Korea
| | - Youngkeun Ahn
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
| | - Gwang H Eom
- Department of Pharmacology, Chonnam National University Medical School, Gwangju, Korea.,Medical Research Center for Gene Regulation, Chonnam National University Medical School, Gwangju, Korea
| | - Hyun Kook
- Department of Pharmacology, Chonnam National University Medical School, Gwangju, Korea.,Basic Research Laboratory for Cardiac Remodeling, Chonnam National University Medical School, Gwangju, Korea
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24
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Wojtala M, Pirola L, Balcerczyk A. Modulation of the vascular endothelium functioning by dietary components, the role of epigenetics. Biofactors 2017; 43:5-16. [PMID: 27355807 DOI: 10.1002/biof.1306] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 05/18/2016] [Accepted: 05/20/2016] [Indexed: 02/06/2023]
Abstract
Rather than being a passive barrier between circulating blood and smooth muscle cells and the underlying tissues, the endothelium is a fundamental functional component of the vasculature, and could be viewed as the largest human endocrine gland/organ, secreting multiple pro-/antiangiogenic factors, cytokines and low-molecular-weight mediators controlling the vascular tone. The location of endothelium, at the interface between the circulation and the tissues, makes this epithelial layer particularly exposed to physical and chemical cues coming from the bloodstream. In response to such stimuli, the endothelium modulates its morphology and functions to maintain vascular homeostasis. Dietary components significantly affect the proper functioning of the endothelium. High-calories and high-fat western diets, in the long term, cause endothelial dysfunction, which is a major contributor to the development of the metabolic syndrome and its pathological consequences, including atherosclerosis, diabetes, and hypertension. On the contrary, plant-derived antioxidant molecules and polyphenols have been shown to exert beneficial effects on endothelial function. Extensive research in the last decade has clearly shown the close relationship between food intake, dietary habits, and gene expression, which is driven by the action of macro- and micronutrients on chromatin regulation. Nutrient-induced chromatin epigenetic modifications via DNA methylation and histone post-translational modifications, especially in the context of the western diet, significantly contribute to the dysregulation of endothelial functioning. Here, we review the current understanding on how dietary components (macronutrients, antioxidants), acting on epigenetic mechanisms, regulate endothelial physiology, and physiopathology. © 2016 BioFactors, 43(1):5-16, 2017.
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Affiliation(s)
- Martyna Wojtala
- Department of Molecular Biophysics, University of Lodz, Pomorska 141/143, Lodz, 90-236, Poland
| | - Luciano Pirola
- Faculty of Medicine Lyon SUD, Carmen Institute, INSERM U1060, Oullins, Cedex, France
| | - Aneta Balcerczyk
- Department of Molecular Biophysics, University of Lodz, Pomorska 141/143, Lodz, 90-236, Poland
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25
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Lee S, Yu LH, Lim LR, Lim HJ, Si JE, Ko YG, Hwang KC. Down regulation of Jag-1 in VSMCs contributes to impaired angiogenesis under high glucose condition: Experimental study using aortic rings of rats. Clin Hemorheol Microcirc 2016; 61:497-511. [PMID: 25536917 DOI: 10.3233/ch-141915] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The major cause of diabetes-related mortality is the complications involving aberrant angiogenesis. To understand the underlying mechanisms of such altered-angiogenesis in diabetes, examining the interaction between endothelial cells (ECs) and neighboring smooth muscle cells (VSMCs) rather than mainly focusing on EC might provide us useful information. Thus, in the present study, we examined the effect of high glucose on the expression of Jag1, one of the key trans-activating ligands of Notch receptors known to be involved in EC-SMC interaction, as well as angiogenic process, in vascular smooth muscle cells (VSMCs) to elucidate possible role of EC-VSMC interaction in diabetes-related angiopathy. Our data indicate that high glucose condition decreases the expression of Jag1 in VSMCs possibly by increasing Jag1-targeting micro RNAs (miRNAs) such as miR-21, and exogenous Jag1-simulating peptides increase proliferation and migration of ECs under high glucose condition in vitro. Ex vivo study using aortic rings from normal and streptozotocin (STZ)-treated diabetic mouse demonstrated that exogenous Jag1-simulating peptides increases EC sprouting of aortic rings from diabetic mouse under high glucose condition. Our data suggest that EC-VSMC interaction is altered under high glucose condition and restoring EC-VSMC interaction can be a feasible therapeutic target for treating diabetes-related angiopathy.
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Affiliation(s)
- Seahyoung Lee
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Gangwon-do, Korea.,Catholic Kwandong University International St. Mary's Hospital, Incheon Metropolitan City, Korea
| | - Long-Hao Yu
- Department of Cardiology, The Fourth Hospital of Harbin Medical University, China
| | - La-Ri Lim
- Severance Integrative Research Institute for Cerebral and Cardiovascular Disease, Yonsei University Health System, Seoul, Korea
| | - Hee-Jung Lim
- Severance Integrative Research Institute for Cerebral and Cardiovascular Disease, Yonsei University Health System, Seoul, Korea
| | - Jung-Eun Si
- Severance Integrative Research Institute for Cerebral and Cardiovascular Disease, Yonsei University Health System, Seoul, Korea
| | - Young-Guk Ko
- Severance Integrative Research Institute for Cerebral and Cardiovascular Disease, Yonsei University Health System, Seoul, Korea.,Division of Cardiology, Yonsei University Health System, Seoul, Korea
| | - Ki-Chul Hwang
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Gangwon-do, Korea.,Catholic Kwandong University International St. Mary's Hospital, Incheon Metropolitan City, Korea
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Abstract
Diabetic retinopathy (DR), a leading cause of acquired vision loss, is a microvascular complication of diabetes. While traditional risk factors for diabetic retinopathy including longer duration of diabetes, poor blood glucose control, and dyslipidemia are helpful in stratifying patient's risk for developing retinopathy, many patients without these traditional risk factors develop DR; furthermore, there are persons with long diabetes duration who do not develop DR. Thus, identifying biomarkers to predict DR or to determine therapeutic response is important. A biomarker can be defined as a characteristic that is objectively measured and evaluated as an indicator of normal biological processes, pathogenic processes, or pharmacologic responses to a therapeutic intervention. Incorporation of biomarkers into risk stratification of persons with diabetes would likely aid in early diagnosis and guide treatment methods for those with DR or with worsening DR. Systemic biomarkers of DR include serum measures including genomic, proteomic, and metabolomics biomarkers. Ocular biomarkers including tears and vitreous and retinal vascular structural changes have also been studied extensively to prognosticate the risk of DR development. The current studies on biomarkers are limited by the need for larger sample sizes, cross-validation in different populations and ethnic groups, and time-efficient and cost-effective analytical techniques. Future research is important to explore novel DR biomarkers that are non-invasive, rapid, economical, and accurate to help reduce the incidence and progression of DR in people with diabetes.
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Affiliation(s)
- Daniel Shu Wei Ting
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore
- Singapore Eye Research Institute, Singapore, Singapore
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore
| | - Kara-Anne Tan
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore
| | - Val Phua
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore
| | - Gavin Siew Wei Tan
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore
- Singapore Eye Research Institute, Singapore, Singapore
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore
| | - Chee Wai Wong
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore
- Singapore Eye Research Institute, Singapore, Singapore
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore
| | - Tien Yin Wong
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore.
- Singapore Eye Research Institute, Singapore, Singapore.
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore.
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27
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Olivieri F, Spazzafumo L, Bonafè M, Recchioni R, Prattichizzo F, Marcheselli F, Micolucci L, Mensà E, Giuliani A, Santini G, Gobbi M, Lazzarini R, Boemi M, Testa R, Antonicelli R, Procopio AD, Bonfigli AR. MiR-21-5p and miR-126a-3p levels in plasma and circulating angiogenic cells: relationship with type 2 diabetes complications. Oncotarget 2016; 6:35372-82. [PMID: 26498351 PMCID: PMC4742111 DOI: 10.18632/oncotarget.6164] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 10/02/2015] [Indexed: 01/15/2023] Open
Abstract
Innovative biomarkers are required to manage type 2 diabetic patients (T2DM). We focused our study on miR-126-3p and miR-21-5p levels, as biomarkers of endothelial function and inflammation. MiRNAs levels were measured in plasma from 107 healthy subjects (CTR) and 193 diabetic patients (T2DM), 76 without (T2DM NC) and 117 with (T2DM C) complications. When diabetic complication were analysed as a whole, miR-126-3p and miR-21-5p levels declined significantly from CTR to T2DM NC and T2DM C patients. When miRNAs levels were related to specific complications, significantly higher miR-21-5p levels (0.46 ± 0.44 vs. 0.26±0.33, p < 0.001) and significant lower miR-126-3p levels (0.21±0.21 vs. 0.28±0.22, p = 0.032) were found in T2DM with previous major cardiovascular events (MACE) vs. all the others T2DM patients. To confirm these results we focused on circulating angiogenic cells (CACs) from a subgroup of 10 CTR, 15 T2DM NC and 15 T2DM patients with MACE. CACs from T2DM patients expressed higher miR-21-5p and lower miR-126-3p levels than CACs from CTR. Furthermore, CACs from T2DM + MACE showed the highest levels of miR-21-5p. Circulating miR-21-5p and miR-126-3p emerge as dynamic biomarkers of systemic inflammatory/angiogenic status. Their expression levels in CACs from T2DM with MACE suggest a shift from a proangiogenic to a proinflammatory profile.
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Affiliation(s)
- Fabiola Olivieri
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, Ancona, Italy.,Center of Clinical Pathology and Innovative Therapy, INRCA-IRCCS National Institute, Ancona, Italy
| | - Liana Spazzafumo
- Center of Biostatistics, INRCA-IRCCS National Institute, Ancona, Italy
| | - Massimiliano Bonafè
- Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, Bologna, Italy
| | - Rina Recchioni
- Center of Clinical Pathology and Innovative Therapy, INRCA-IRCCS National Institute, Ancona, Italy
| | - Francesco Prattichizzo
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, Ancona, Italy
| | - Fiorella Marcheselli
- Center of Clinical Pathology and Innovative Therapy, INRCA-IRCCS National Institute, Ancona, Italy
| | - Luigina Micolucci
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, Ancona, Italy
| | - Emanuela Mensà
- Center of Clinical Pathology and Innovative Therapy, INRCA-IRCCS National Institute, Ancona, Italy
| | - Angelica Giuliani
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, Ancona, Italy
| | - Gabriele Santini
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, Ancona, Italy
| | - Mirko Gobbi
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, Ancona, Italy
| | - Raffaella Lazzarini
- Center of Clinical Pathology and Innovative Therapy, INRCA-IRCCS National Institute, Ancona, Italy
| | - Massimo Boemi
- Metabolic Diseases and Diabetology Unit, INRCA-IRCCS National Institute, Ancona, Italy
| | - Roberto Testa
- Experimental Models in Clinical Pathology, INRCA-IRCCS National Institute, Ancona, Italy
| | | | - Antonio Domenico Procopio
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, Ancona, Italy.,Center of Clinical Pathology and Innovative Therapy, INRCA-IRCCS National Institute, Ancona, Italy
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28
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Mirra P, Raciti GA, Nigro C, Fiory F, D'Esposito V, Formisano P, Beguinot F, Miele C. Circulating miRNAs as intercellular messengers, potential biomarkers and therapeutic targets for Type 2 diabetes. Epigenomics 2016; 7:653-67. [PMID: 26111035 DOI: 10.2217/epi.15.18] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
miRNAs have emerged as key epigenetic regulators of metabolism. Their deregulation contributes to metabolic abnormalities, proposing their potential role as therapeutic targets for Type 2 diabetes. The exciting finding that miRNAs exist in the bloodstream suggests that circulating miRNAs may act in a hormone-like fashion. Despite the fact that significant progress has been made in understanding circulating miRNAs, this topic is full of complexities and many questions remain unanswered. The goal of this review is to bring together up-to-date knowledge about circulating miRNAs and their role as intercellular communicators as well as potential biomarkers and therapeutic targets in metabolic diseases, providing examples of possible clinical applications for circulating miRNAs in diabetes and cardiovascular complications.
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Affiliation(s)
- Paola Mirra
- Dipartimento di Scienze Mediche Traslazionali dell'Università di Napoli 'Federico II', Naples, Italy.,URT dell'Istituto di Endocrinologia e Oncologia Sperimentale 'Gaetano Salvatore', Consiglio Nazionale delle Ricerche, Naples, Italy
| | - Gregory Alexander Raciti
- Dipartimento di Scienze Mediche Traslazionali dell'Università di Napoli 'Federico II', Naples, Italy.,URT dell'Istituto di Endocrinologia e Oncologia Sperimentale 'Gaetano Salvatore', Consiglio Nazionale delle Ricerche, Naples, Italy
| | - Cecilia Nigro
- Dipartimento di Scienze Mediche Traslazionali dell'Università di Napoli 'Federico II', Naples, Italy.,URT dell'Istituto di Endocrinologia e Oncologia Sperimentale 'Gaetano Salvatore', Consiglio Nazionale delle Ricerche, Naples, Italy
| | - Francesca Fiory
- Dipartimento di Scienze Mediche Traslazionali dell'Università di Napoli 'Federico II', Naples, Italy.,URT dell'Istituto di Endocrinologia e Oncologia Sperimentale 'Gaetano Salvatore', Consiglio Nazionale delle Ricerche, Naples, Italy
| | - Vittoria D'Esposito
- Dipartimento di Scienze Mediche Traslazionali dell'Università di Napoli 'Federico II', Naples, Italy.,URT dell'Istituto di Endocrinologia e Oncologia Sperimentale 'Gaetano Salvatore', Consiglio Nazionale delle Ricerche, Naples, Italy
| | - Pietro Formisano
- Dipartimento di Scienze Mediche Traslazionali dell'Università di Napoli 'Federico II', Naples, Italy.,URT dell'Istituto di Endocrinologia e Oncologia Sperimentale 'Gaetano Salvatore', Consiglio Nazionale delle Ricerche, Naples, Italy
| | - Francesco Beguinot
- Dipartimento di Scienze Mediche Traslazionali dell'Università di Napoli 'Federico II', Naples, Italy.,URT dell'Istituto di Endocrinologia e Oncologia Sperimentale 'Gaetano Salvatore', Consiglio Nazionale delle Ricerche, Naples, Italy
| | - Claudia Miele
- Dipartimento di Scienze Mediche Traslazionali dell'Università di Napoli 'Federico II', Naples, Italy.,URT dell'Istituto di Endocrinologia e Oncologia Sperimentale 'Gaetano Salvatore', Consiglio Nazionale delle Ricerche, Naples, Italy
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29
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Arora A, Singh S, Bhatt AN, Pandey S, Sandhir R, Dwarakanath BS. Interplay Between Metabolism and Oncogenic Process: Role of microRNAs. TRANSLATIONAL ONCOGENOMICS 2015; 7:11-27. [PMID: 26740741 PMCID: PMC4696840 DOI: 10.4137/tog.s29652] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Revised: 11/11/2015] [Accepted: 11/18/2015] [Indexed: 12/17/2022]
Abstract
Cancer is a complex disease that arises from the alterations in the composition and regulation of several genes leading to the disturbances in signaling pathways, resulting in the dysregulation of cell proliferation and death as well as the ability of transformed cells to invade the host tissue and metastasize. It is increasingly becoming clear that metabolic reprograming plays a critical role in tumorigenesis and metastasis. Therefore, targeting this phenotype is considered as a promising approach for the development of therapeutics and adjuvants. The process of metabolic reprograming is linked to the activation of oncogenes and/or suppression of tumor suppressor genes, which are further regulated by microRNAs (miRNAs) that play important roles in the interplay between oncogenic process and metabolic reprograming. Looking at the advances made in the recent past, it appears that the translation of knowledge from research in the areas of metabolism, miRNA, and therapeutic response will lead to paradigm shift in the management of this disease.
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Affiliation(s)
- Aastha Arora
- Division of Radiation Biosciences, Institute of Nuclear Medicine and Allied Sciences, Delhi, India.; Department of Biochemistry, Panjab University, Chandigarh, India
| | - Saurabh Singh
- Division of Radiation Biosciences, Institute of Nuclear Medicine and Allied Sciences, Delhi, India
| | - Anant Narayan Bhatt
- Division of Radiation Biosciences, Institute of Nuclear Medicine and Allied Sciences, Delhi, India
| | - Sanjay Pandey
- Division of Radiation Biosciences, Institute of Nuclear Medicine and Allied Sciences, Delhi, India.; Dr B.R. Ambedkar Center for Biomedical Research, University of Delhi, Delhi, India
| | - Rajat Sandhir
- Department of Biochemistry, Panjab University, Chandigarh, India
| | - Bilikere S Dwarakanath
- Division of Radiation Biosciences, Institute of Nuclear Medicine and Allied Sciences, Delhi, India.; Sri Ramachandra University, Chennai, India
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30
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Abstract
Type 2 diabetes has become a major health issue worldwide. Chronic hyperglycemia induces a low-grade inflammation that, on top of other mechanisms, leads to endothelial dysfunction. Mounting evidence suggests that DNA methylation, post-translational modifications of histones, and long non-coding RNAs play an important role in the initiation, maintenance, and progression of both macro- and micro-vascular complications of diabetes. Long-term exposure to hyperglycemia induces epigenetic changes that could become irreversible, a phenomenon known as the 'metabolic memory.' Whether epigenetic-based therapies could be used to slow or limit the progression of cardiovascular disease remains unclear. While non-coding RNAs are currently investigated as potential biomarkers that predict diabetic cardiovascular disease incidence and progression, their therapeutic role is only hypothetical. In this review, we highlight the latest findings in experimental and clinical studies relevant to epigenetics and cardiovascular disease in diabetes.
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Affiliation(s)
- Jennifer Pasquier
- Stem Cell and Microenvironment Laboratory, Weill Cornell Medical College, Doha, Qatar
- Cardiovascular Epigenetics Laboratory, Department of Genetic Medicine, Weill Cornell Medical College, Doha, Qatar
| | - Jessica Hoarau-Véchot
- Cardiovascular Epigenetics Laboratory, Department of Genetic Medicine, Weill Cornell Medical College, Doha, Qatar
| | - Khalid Fakhro
- Cardiovascular Epigenetics Laboratory, Department of Genetic Medicine, Weill Cornell Medical College, Doha, Qatar
- Sidra Medical and Research Center, Doha, Qatar
| | - Arash Rafii
- Stem Cell and Microenvironment Laboratory, Weill Cornell Medical College, Doha, Qatar
- Department of Genetic Medicine, Weill Cornell Medical College, New York, NY, USA
| | - Charbel Abi Khalil
- Cardiovascular Epigenetics Laboratory, Department of Genetic Medicine, Weill Cornell Medical College, Doha, Qatar.
- Department of Genetic Medicine, Weill Cornell Medical College, New York, NY, USA.
- Department of Medicine, Weill Cornell Medical College, New York, USA.
- Department of Medicine, Weill Cornell Medical College, Doha, Qatar.
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MiR-30b Is Involved in the Homocysteine-Induced Apoptosis in Human Coronary Artery Endothelial Cells by Regulating the Expression of Caspase 3. Int J Mol Sci 2015; 16:17682-95. [PMID: 26263983 PMCID: PMC4581215 DOI: 10.3390/ijms160817682] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Revised: 07/20/2015] [Accepted: 07/24/2015] [Indexed: 12/14/2022] Open
Abstract
Homocysteine (Hcy) is an independent risk factor for a variety of cardiovascular diseases, such as coronary heart disease, hypertension, stroke, etc. There is a close relationship between the vascular endothelial cell apoptosis and these diseases. Recent studies have shown homocysteine can induce apoptosis in endothelial cells, which may be an important mechanism for the development of theses cardiovascular diseases. Although there are several reports about how the Hcy induces apoptosis in endothelial cells, the exact mechanism is not fully understood. MicroRNAs are small, non-coding RNA. Previous studies have shown that there is a close relationship between several microRNAs and cell apoptosis. However, there are no studies about the role of microRNAs in Hcy-induced apoptosis in endothelial cells so far. In this study, we constructed the model of homocysteine-induced apoptosis in human coronary artery endothelial cells (HCAECs) and found miR-30b was significantly down-regulated by 1 mmol/L Hcy. In addition, overexpression of miR-30b can improve the Hcy-induced apoptosis in HCAECs by downregulating caspase-3 expression. Therefore, miR-30b may play an important role in Hcy-induced apoptosis in endothelial cells.
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32
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MicroRNA-26a prevents endothelial cell apoptosis by directly targeting TRPC6 in the setting of atherosclerosis. Sci Rep 2015; 5:9401. [PMID: 25801675 PMCID: PMC4371083 DOI: 10.1038/srep09401] [Citation(s) in RCA: 116] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Accepted: 03/03/2015] [Indexed: 12/19/2022] Open
Abstract
Atherosclerosis, a chronic inflammatory disease, is the major cause of life-threatening complications such as myocardial infarction and stroke. Endothelial apoptosis plays a vital role in the initiation and progression of atherosclerotic lesions. Although a subset of microRNAs (miRs) have been identified as critical regulators of atherosclerosis, studies on their participation in endothelial apoptosis in atherosclerosis have been limited. In our study, we found that miR-26a expression was substantially reduced in the aortic intima of ApoE−/− mice fed with a high-fat diet (HFD). Treatment of human aortic endothelial cells (HAECs) with oxidized low-density lipoprotein (ox-LDL) suppressed miR-26a expression. Forced expression of miR-26a inhibited endothelial apoptosis as evidenced by MTT assay and TUNEL staining results. Further analysis identified TRPC6 as a target of miR-26a, and TRPC6 overexpression abolished the anti-apoptotic effect of miR-26a. Moreover, the cytosolic calcium and the mitochondrial apoptotic pathway were found to mediate the beneficial effects of miR-26a on endothelial apoptosis. Taken together, our study reveals a novel role of miR-26a in endothelial apoptosis and indicates a therapeutic potential of miR-26a for atherosclerosis associated with apoptotic cell death.
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33
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Consumption of distinct dietary lipids during early pregnancy differentially modulates the expression of microRNAs in mothers and offspring. PLoS One 2015; 10:e0117858. [PMID: 25671565 PMCID: PMC4324823 DOI: 10.1371/journal.pone.0117858] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Accepted: 01/03/2015] [Indexed: 12/04/2022] Open
Abstract
Diet during pregnancy and lactation influences the offspring’s health in the long-term. Indeed, human epidemiological studies and animal experiments suggest that different type of fatty acids consumption during pregnancy affect offspring development and susceptibility to metabolic disorders. Epigenetic changes are thought to be elicited by dietary factors during critical timing of development. microRNAs (miRNAs) are versatile regulators of gene expression. Thus, we aimed to determine the influence of different fatty acids on miRNA expression in offspring when given during early pregnancy. We fed pregnant either soybean (SO), olive (OO), fish (FO), linseed (LO), or palm-oil (PO) diets from conception to day 12 of gestation; and standard diet thereafter. miRNA expression was assessed in liver an adipose tissue of pregnant rats and their virgin counterparts. While liver concentrations of fatty acids in pregnant or virgin rats replicated those of the diets consumed during early pregnancy, their pups’ liver tissue marginally reflected those of the respective experimental feeds. By contrast, the liver fatty acid profile of adult offsprings was similar, regardless of the diet fed during gestation. Different parental miRNAs were modulated by the different type of fatty acid: in adult offspring, miR-215, miR-10b, miR-26, miR-377-3p, miR-21, and miR-192 among others, were differentially modulated by the different fatty acids fed during early pregnancy. Overall, our results show that maternal consumption of different types of fatty acids during early pregnancy influences miRNA expression in both maternal and offspring tissues, which may epigenetically explain the long-term phenotypic changes of the offspring.
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34
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Wang Z, Guo D, Yang B, Wang J, Wang R, Wang X, Zhang Q. Integrated analysis of microarray data of atherosclerotic plaques: modulation of the ubiquitin-proteasome system. PLoS One 2014; 9:e110288. [PMID: 25333956 PMCID: PMC4201353 DOI: 10.1371/journal.pone.0110288] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Accepted: 09/10/2014] [Indexed: 12/11/2022] Open
Abstract
Atherosclerosis is a typical complex multi-factorial disease and many molecules at different levels and pathways were involved in its development. Some studies have investigated the dysregulation in atherosclerosis at mRNA, miRNA or DNA methylation level, respectively. However, to our knowledge, the studies that integrated these data and revealed the abnormal networks of atherosclerosis have not been reported. Using microarray technology, we analyzed the omics data in atherosclerosis at mRNA, miRNA and DNA methylation levels. Our results demonstrated that the global DNA methylation and expression of miRNA/mRNA were significantly decreased in atherosclerotic plaque than in normal vascular tissue. The interaction network constructed using the integrative data revealed many genes, cellular processes and signaling pathways which were widely considered to play crucial roles in atherosclerosis and also revealed some genes, miRNAs or signaling pathways which have not been investigated in atherosclerosis until now (e.g. miR-519d and SNTB2). Moreover, the overall protein ubiquitination in atherosclerotic plaque was significantly increased. The proteasome activity was increased early but decreased in advanced atherosclerosis. Our study revealed many classic and novel genes and miRNAs involved in atherosclerosis and indicated the effects of ubiquitin-proteasome system on atherosclerosis might be closely related to the course of atherosclerosis. However, the efficacy of proteasome inhibitors in the treatment of atherosclerosis still needs more research.
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Affiliation(s)
- Zhe Wang
- Division of Endocrinology and Metabolism, Shandong Provincial Hospital affiliated to Shandong University, Jinan, Shandong, China
| | - Dong Guo
- Department of Neurology, Liaocheng People's Hospital, Medical School of Liaocheng, Taishan Medical University, Liaocheng, Shandong, China
| | - Bin Yang
- School of Information Science and Engineering, Zaozhuang University, Zaozhuang, Shandong, China
| | - Jian Wang
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Rong Wang
- Key Laboratory of Cardiovascular Remodeling and Function Research Chinese Ministry of Education and Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Xiaowei Wang
- Key Laboratory of Cardiovascular Remodeling and Function Research Chinese Ministry of Education and Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Qunye Zhang
- Key Laboratory of Cardiovascular Remodeling and Function Research Chinese Ministry of Education and Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, Shandong, China
- * E-mail:
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35
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Moura J, Børsheim E, Carvalho E. The Role of MicroRNAs in Diabetic Complications-Special Emphasis on Wound Healing. Genes (Basel) 2014; 5:926-56. [PMID: 25268390 PMCID: PMC4276920 DOI: 10.3390/genes5040926] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 09/05/2014] [Accepted: 09/10/2014] [Indexed: 12/19/2022] Open
Abstract
Overweight and obesity are major problems in today’s society, driving the prevalence of diabetes and its related complications. It is important to understand the molecular mechanisms underlying the chronic complications in diabetes in order to develop better therapeutic approaches for these conditions. Some of the most important complications include macrovascular abnormalities, e.g., heart disease and atherosclerosis, and microvascular abnormalities, e.g., retinopathy, nephropathy and neuropathy, in particular diabetic foot ulceration. The highly conserved endogenous small non-coding RNA molecules, the micro RNAs (miRNAs) have in recent years been found to be involved in a number of biological processes, including the pathogenesis of disease. Their main function is to regulate post-transcriptional gene expression by binding to their target messenger RNAs (mRNAs), leading to mRNA degradation, suppression of translation or even gene activation. These molecules are promising therapeutic targets and demonstrate great potential as diagnostic biomarkers for disease. This review aims to describe the most recent findings regarding the important roles of miRNAs in diabetes and its complications, with special attention given to the different phases of diabetic wound healing.
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Affiliation(s)
- João Moura
- Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra 3004-517, Portugal.
| | - Elisabet Børsheim
- Arkansas Children's Nutrition Center, Little Rock, Arkansas, AR 72202, USA.
| | - Eugenia Carvalho
- Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra 3004-517, Portugal.
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36
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Han Z, Chen F, Ge X, Tan J, Lei P, Zhang J. miR-21 alleviated apoptosis of cortical neurons through promoting PTEN-Akt signaling pathway in vitro after experimental traumatic brain injury. Brain Res 2014; 1582:12-20. [PMID: 25108037 DOI: 10.1016/j.brainres.2014.07.045] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 07/25/2014] [Accepted: 07/29/2014] [Indexed: 12/24/2022]
Abstract
Traumatic brain injury (TBI) is a major cause of chronic disability and death in young adults worldwide. Multiple cellular, molecular and biochemical changes impact the development and outcome of TBI. Neuronal cell apoptosis, which is an important pathological change in secondary brain damage, is crucial to determine the functional recovery after TBI. miR-21, a widely-reported oncogene, which can reduce cell apoptosis in cancer, has been confirmed to be a pronounced up-regulated miRNA after TBI in animal model. Our study is designed to investigate whether miR-21 has the function of antiapoptosis in experimental TBI model in vitro and to explore the possible regulatory mechanism of miR-21 on neuronal apoptosis. The scratch cell injury was performed to mimic TBI-induced apoptosis in neurons, and miR-21 agomir/antagomir was transfected to up-/down-regulate the miR-21 level. Our data suggests that miR-21 can reduce the number of TUNEL-positive neurons. Meanwhile, miR-21 decreased the expression level of PTEN, and increased the phosphorylation of Akt significantly. In neurons transfected with miR-21 agomir, the expression of Bcl-2 was promoted while the caspase-3, caspase-9 and Bax level were down-regulated, which are crucially the downstream apoptosis-related proteins of PTEN-Akt signaling pathway. In conclusion, miR-21 can exert the function of reducing neuronal apoptosis through activating the PTEN-Akt signaling pathway. Our research provides new insights into the molecular mechanisms of neuronal apoptosis following TBI, which reminds that miR-21may be a potential therapeutic target for TBI treatment.
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Affiliation(s)
- Zhaoli Han
- Department of Neurosurgery, Tianjin Neurological Institute General Hospital, Tianjin Medical University, Tianjin 300352, China
| | - Fanglian Chen
- Department of Neurosurgery, Tianjin Neurological Institute General Hospital, Tianjin Medical University, Tianjin 300352, China
| | - Xintong Ge
- Department of Neurosurgery, Tianjin Neurological Institute General Hospital, Tianjin Medical University, Tianjin 300352, China
| | - Jin Tan
- Tianjin Institute of Geriatrics, Tianjin Medical University General Hospital, Tianjin 300352, China
| | - Ping Lei
- Department of Neurosurgery, Tianjin Neurological Institute General Hospital, Tianjin Medical University, Tianjin 300352, China; Tianjin Institute of Geriatrics, Tianjin Medical University General Hospital, Tianjin 300352, China.
| | - Jianning Zhang
- Department of Neurosurgery, Tianjin Neurological Institute General Hospital, Tianjin Medical University, Tianjin 300352, China
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Small molecules, big effects: the role of microRNAs in regulation of cardiomyocyte death. Cell Death Dis 2014; 5:e1325. [PMID: 25032848 PMCID: PMC4123081 DOI: 10.1038/cddis.2014.287] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Revised: 05/28/2014] [Accepted: 06/03/2014] [Indexed: 01/14/2023]
Abstract
MicroRNAs (miRNAs) are a class of small non-coding RNAs involved in posttranscriptional regulation of gene expression, and exerting regulatory roles in plethora of biological processes. In recent years, miRNAs have received increased attention for their crucial role in health and disease, including in cardiovascular disease. This review summarizes the role of miRNAs in regulation of cardiac cell death/cell survival pathways, including apoptosis, autophagy and necrosis. It is envisaged that these miRNAs may explain the mechanisms behind the pathogenesis of many cardiac diseases, and, most importantly, may provide new avenues for therapeutic intervention that will limit cardiomyocyte cell death before it irreversibly affects cardiac function. Through an in-depth literature analysis coupled with integrative bioinformatics (pathway and synergy analysis), we dissect here the landscape of complex relationships between the apoptosis-regulating miRNAs in the context of cardiomyocyte cell death (including regulation of autophagy–apoptosis cross talk), and examine the gaps in our current understanding that will guide future investigations.
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