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Kocabey S, Chiarelli G, Acuna GP, Ruegg C. Ultrasensitive and multiplexed miRNA detection system with DNA-PAINT. Biosens Bioelectron 2023; 224:115053. [PMID: 36608362 DOI: 10.1016/j.bios.2022.115053] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022]
Abstract
MiRNAs hold great potential as biomarkers for the early detection and monitoring of diseases based on their differential expression profiles. Therefore, the sensitive, specific and accurate detection of miRNAs represents an emerging new tool to improve diagnosis and treatment of several diseases, cancer in particular. DNA origami-based miRNA detection is particularly advantageous as it allows to incorporate multiple attachment sites to capture different target miRNAs at the nanoscale. In this work, we present a DNA origami nanoarray system providing distance-dependent recognition of miRNAs by applying super-resolution microscopy technique; DNA-PAINT (point accumulation for imaging in nanoscale topography). The sensor can detect up to 4 miRNAs either separately or in combination based on the relative distance to the boundary markers on the structure using a single imager strand. The detection is highly sensitive, with a limit of detection down to the low femtomolar range (11 fM - 388 fM) and has a large dynamic range up to 10 nM without need for amplification. Moreover, our detection system can discriminate single base mismatches with low false positive rates. Using our strategy, we demonstrate the detection of endogenous miRNAs from cell extracts of cancer cell lines and plasma from breast cancer patients. Overall, we developed an ultrasensitive and amplification-free, DNA-PAINT imaging-based miRNA detection method using DNA origami nanoarray system for the detection of breast-cancer associated miRNAs which potentially provides a sensitive and accurate alternative to the current multiplexed diagnostic technologies.
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Affiliation(s)
- Samet Kocabey
- Laboratory of Experimental and Translational Oncology, Department of Oncology, Microbiology and Immunology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, PER17, 1700, Fribourg, Switzerland.
| | - Germán Chiarelli
- Photonic Nanosystems, Department of Physics, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 3, PER08, 1700, Fribourg, Switzerland
| | - Guillermo P Acuna
- Photonic Nanosystems, Department of Physics, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 3, PER08, 1700, Fribourg, Switzerland
| | - Curzio Ruegg
- Laboratory of Experimental and Translational Oncology, Department of Oncology, Microbiology and Immunology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, PER17, 1700, Fribourg, Switzerland
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2
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Abolghasemi M, Ali Ashrafi S, Asadi M, Shanehbandi D, Sadigh Etehad S, Poursaei E, Nejadghaderi SA, Shaafi S. MicroRNAs expression in peripheral blood mononuclear cells of patients with multiple sclerosis propose. Mol Biol Rep 2023; 50:167-172. [PMID: 36319782 DOI: 10.1007/s11033-022-07905-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 08/09/2022] [Accepted: 08/31/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND MicroRNAs (miRs) are involved in the autoimmune and neurological diseases, including multiple sclerosis (MS), through modulating post-transcriptional gene regulation. Accumulating evidence indicates that miR-10, miR-24a, miR-124, and miR-21 play an imperative role in MS pathogenesis. Therefore, the current research aimed to analyze the expression of the selected miRNAs for MS in Iranian population. METHODS AND RESULTS Blood sample of 75 relapsing-remitting MS (RRMS) patients and 75 healthy individuals suffering no neurodegenerative illness was collected. Subsequently, the isolation of peripheral blood mononuclear cells (PBMCs) was performed by employing Ficoll-Hypaque density gradient method. Afterward, total RNA was extracted and subjected to qRT-PCR analysis. The obtained results evidenced that the relative expression of miR-10 (P = 0.0002), miR-21 (P = 0.0014), and miR-124 (P = 0.0091) significantly decreased in RRMS patients compared to healthy participants. On the contrary, no notable change was observed between the studies groups regarding miR-24a expression levels (P = 0.107). ROC curve analysis estimated an area under the curve (AUC) value equal to 0.75 with P = 0.0006 for miR-10, while it was decreased for miR-21 (AUC = 0.67 and P = 0.0054) and miR-124 (AUC = 0.66 and P = 0.012). CONCLUSION The change in miR-10, miR-124, and miR-21 expression patterns was implied to participate in MS development. Further large scale observational studies are recommended.
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Affiliation(s)
- Mahsa Abolghasemi
- Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepide Ali Ashrafi
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Milad Asadi
- Department of Basic Oncology, Health Institute of Ege University, Izmir, Turkey
| | - Dariush Shanehbandi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Sadigh Etehad
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Poursaei
- Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyed Aria Nejadghaderi
- Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sheida Shaafi
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran.
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3
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Gamal-Eldeen AM, Fahmy CA, Raafat BM, Althobaiti F, Bassyouni IH, Talaat RM. Association of Circulating Levels of Hypoxia-Inducible Factor-1α and miR-210 with Photosensitivity in Systemic Lupus Erythematosus Patients. Curr Mol Med 2023; 23:185-192. [PMID: 35034594 DOI: 10.2174/1566524022666220114145220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/11/2021] [Accepted: 11/25/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND miR-210, a key hypoxamiR, regulates hypoxia and inflammation-linked hypoxia. Systemic lupus erythematosus (SLE), a chronic autoimmune disease, is responsible for many pathological disorders, including photosensitivity. OBJECTIVE This study aimed to find the correlation between circulating miR-210/HIF-1α levels and photosensitivity in SLE patients and other SLE-associated pathological complications in a single-center case-control study. METHODS The study population comprised 104 SLE Egyptian patients with photosensitivity, 32 SLE patients without photosensitivity, and 32 healthy subjects. SLE activity was assessed for all patients using the SLE Disease Activity Index (SLEDAI). Clinical complications/manifestations and hematological/serological analyses were recorded. HIF-α concentration was investigated by ELISA, and miR-210 expression was analyzed by qRT-PCR. RESULTS The results revealed that circulating miR-210 was significantly increased in the SLE/photosensitivity group versus the SLE and control groups. The additional occurrence of malar rash, oral ulcers, renal disorders, or hypertension resulted in a higher expression of miR-210. SLEDAI activity status showed no effect on miR-210. Erythrocyte sedimentation rate, white blood cells, hemoglobin, platelets, patient age, and disease duration were positively correlated with circulatory miR-210. HIF-α concentration was significantly induced in the SLE/photosensitivity group versus the SLE and control groups. In SLE/photosensitivity, the presence of renal disorders and hypertension resulted in the highest HIF-α concentrations. A strong positive correlation was recorded between HIF-α concentration and circulatory miR-210 in SLE/photosensitivity patients (r = 0.886). CONCLUSION The dysregulation of circulating miR-210/HIF-1α levels in SLE/ photosensitivity patients is controlled by the presence of additional pathological complications, and results suggest that the hypoxia pathway might interact positively with the pathogenesis and disease progression of SLE.
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Affiliation(s)
- Amira M Gamal-Eldeen
- Clinical Laboratory Sciences Department, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- High Altitude Research Center, Prince Sultan Medical Complex, Al- Hawiyah, Taif University, Taif, Saudi Arabia
| | - Cinderella A Fahmy
- Cancer Biology and Genetics Laboratory, Centre of Excellence for Advanced Sciences, National Research Centre, 33 El Buhouth St. Dokki, Cairo, 12622, Egypt
- Biochemistry Department, National Research Centre, 33 El Buhouth St. Dokki, Cairo, 12622, Egypt
| | - Bassem M Raafat
- Radiological Sciences Department, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Fayez Althobaiti
- High Altitude Research Center, Prince Sultan Medical Complex, Al- Hawiyah, Taif University, Taif, Saudi Arabia
- Biotechnology Department, Faculty of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Iman H Bassyouni
- Department of Rheumatology and Rehabilitation, Faculty of Medicine, Cairo University, El-Kasr El-Aini Hospital, Cairo 12613, Egypt
| | - Roba M Talaat
- Molecular Biology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), Sadat City University, Egypt
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Shomali N, Baradaran B, Daei Sorkhabi A, Sarkesh A, Kahrizi MS, Tosan F, Mahmoodpoor A, Mardi A, Mohammadi H, Hassanzadeh A, Saeedi H, Hajialilo M, Hemmatzadeh M, Marofi F, Sandoghchian Shotorbani S. Survivin; a novel therapeutic target that correlates with survival of autoreactive T lymphocytes obtained from patients with ankylosing spondylitis. Gene 2022; 844:146829. [PMID: 35995118 DOI: 10.1016/j.gene.2022.146829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/04/2022] [Accepted: 08/16/2022] [Indexed: 12/30/2022]
Abstract
Ankylosing spondylitis (AS) is progressive immune-mediated arthritis. Persistent autoreactivity of T cells with an up-regulated Survivin expression is strongly implicated in AS immunopathogenesis. Besides, Survivin can inhibit proapoptotic caspase 9 activations. Moreover, microRNAs are small non-coding RNAs that are dysregulated in various diseases, in which their altered expression could modulate Survivin expression. The primary goal of this study was to assess the role of Survivin and its-targeting microRNAs in the immunopathogenesis of AS disease. For this aim, peripheral blood mononuclear cells (PBMCs) were isolated from 15 patients with AS and healthy matched controls using Ficoll-Hypaque. T cells were obtained using the magnetic-activated cell sorting (MACS) method. After that, the expression levels of Survivin, Caspase 9, and specific miRNAs were determined using qT-qPCR. Also, the expression of Survivin and Caspase 9 at protein levels was determined by western blotting. Then, the isolated T cells were co-cultured with interleukin (IL)-2 and muromonab-CD3 (OKT-3) for active-induced cell death (AICD) induction, Survivin siRNA for inhibition of Survivin expression, and their combination to assess the implication of Survivin expression in autoreactive T lymphocytes' resistance to apoptosis by determining the rate of apoptosis by Flowcytometry assay. The results showed that Survivin was up-regulated while Caspase 9 was downregulated in patients with AS. It was also revealed that microRNAs that directly or indirectly target the Survivin mRNA were dysregulated in patients with AS. It was also revealed that T cells obtained from AS patients were more resistant to apoptosis induction than those obtained from healthy people. In summary, the results obtained from this study showed that dysregulation of Survivin and Survivin-targeting miRNAs in T lymphocytes obtained from AS patients contribute to their resistance to apoptosis, suggesting the future development of targeted therapies for AS.
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Affiliation(s)
- Navid Shomali
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amin Daei Sorkhabi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Aila Sarkesh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Foad Tosan
- Student Research Committee, Semnan University of Medical Sciences, Semnan, Iran
| | - Ata Mahmoodpoor
- Department of Anesthesiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirhossein Mardi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Mohammadi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran; Department of Immunology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Ali Hassanzadeh
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Saeedi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehrzad Hajialilo
- Connective Tissue Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Hemmatzadeh
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Faroogh Marofi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Siamak Sandoghchian Shotorbani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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Jiang H, Liu J, Guo S, Zeng L, Cai Z, Zhang J, Wang L, Li Z, Liu R. miR-23b-3p rescues cognition in Alzheimer's disease by reducing tau phosphorylation and apoptosis via GSK-3β signaling pathways. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 28:539-557. [PMID: 35592504 PMCID: PMC9092887 DOI: 10.1016/j.omtn.2022.04.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 04/15/2022] [Indexed: 12/24/2022]
Abstract
Dysregulated microRNA (miRNA) expression in the brain can contribute to cognitive dysfunction and aberrant tau hyperphosphorylation in Alzheimer’s disease (AD). Several studies have reported a role for microRNA-23b-3p (miR-23b-3p) in various neurologic disorders; however, its involvement in cognition-related functions remains unclear. In the present study, we investigated the potential therapeutic effects and mechanisms of miR-23b-3p in AD. miRNA profiles in the cortex of amyloid precursor protein (APP)/presenilin 1 (PS1) double transgenic mice (APP/PS1 mice) demonstrated that miR-23b-3p was reduced. This decrease was verified in APPswe cells, SAMP8 mouse brains, and plasma from AD patients. Furthermore, glycogen synthase kinase-3β (GSK-3β), a major tau kinase implicated in tau pathology, was identified as a target of miR-23b-3p. Functional in vivo studies demonstrated that intracerebroventricular delivery of miR-23b-3p in APP/PS1 mice ameliorated cognitive deficits, histopathological changes, and tau phosphorylation immunoreactivity at several sites by inhibiting GSK-3β expression and activation. Similarly, the upregulation of miR-23b-3p in APPswe cells inhibited GSK-3β-mediated tau hyperphosphorylation, Aβ1-42 generation, and neuronal apoptosis, resulting in the suppression of the GSK-3β/p-tau and Bax/caspase-3 pathways. Collectively, our findings strongly support the hypothesis that miR-23b-3p plays a neuroprotective role in AD, thereby identifying miR-23b-3p as a promising therapeutic target for AD.
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Affiliation(s)
- Hailun Jiang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P.R. China
| | - Jianghong Liu
- Department of Neurology, Xuan Wu Hospital, Capital Medical University, Beijing 100053, P.R. China
| | - Shuilong Guo
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, P.R. China.,National Clinical Research Center for Digestive Disease, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing 100050, P.R. China
| | - Li Zeng
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P.R. China
| | - Zhongdi Cai
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P.R. China
| | - Junxia Zhang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P.R. China
| | - Linlin Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P.R. China
| | - Zhuorong Li
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P.R. China
| | - Rui Liu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P.R. China
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Rosa JM, Formolo DA, Yu J, Lee TH, Yau SY. The Role of MicroRNA and Microbiota in Depression and Anxiety. Front Behav Neurosci 2022; 16:828258. [PMID: 35299696 PMCID: PMC8921933 DOI: 10.3389/fnbeh.2022.828258] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 02/07/2022] [Indexed: 12/12/2022] Open
Abstract
Depression and anxiety are devastating disorders. Understanding the mechanisms that underlie the development of depression and anxiety can provide new hints on novel treatments and preventive strategies. Here, we summarize the latest findings reporting the novel roles of gut microbiota and microRNAs (miRNAs) in the pathophysiology of depression and anxiety. The crosstalk between gut microbiota and the brain has been reported to contribute to these pathologies. It is currently known that some miRNAs can regulate bacterial growth and gene transcription while also modulate the gut microbiota composition, suggesting the importance of miRNAs in gut and brain health. Treatment and prevention strategies for neuropsychiatric diseases, such as physical exercise, diet, and probiotics, can modulate the gut microbiota composition and miRNAs expressions. Nonetheless, there are critical questions to be addressed to understand further the mechanisms involved in the interaction between the gut microbiota and miRNAs in the brain. This review summarizes the recent findings of the potential roles of microbiota and miRNA on the neuropathology of depression and anxiety, and its potential as treatment strategies.
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Affiliation(s)
- Julia M. Rosa
- Department of Rehabilitation Sciences, Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Mental Health Research Center (MHRC), Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Research Institute for Smart Aging (RISA), Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Douglas A. Formolo
- Department of Rehabilitation Sciences, Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Mental Health Research Center (MHRC), Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Research Institute for Smart Aging (RISA), Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Jiasui Yu
- Department of Rehabilitation Sciences, Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Mental Health Research Center (MHRC), Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Research Institute for Smart Aging (RISA), Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Thomas H. Lee
- Department of Rehabilitation Sciences, Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Neurocentre Magendie, INSERM U1215, University of Bordeaux, Bordeaux, France
| | - Suk-yu Yau
- Department of Rehabilitation Sciences, Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Mental Health Research Center (MHRC), Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Research Institute for Smart Aging (RISA), Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- *Correspondence: Suk-yu Yau,
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Circulating miRNAs as Potential Biomarkers Distinguishing Relapsing-Remitting from Secondary Progressive Multiple Sclerosis. A Review. Int J Mol Sci 2021; 22:ijms222111887. [PMID: 34769314 PMCID: PMC8584709 DOI: 10.3390/ijms222111887] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/30/2021] [Accepted: 10/31/2021] [Indexed: 12/18/2022] Open
Abstract
Multiple sclerosis (MS) is a debilitating neurodegenerative, highly heterogeneous disease with a variable course. The most common MS subtype is relapsing–remitting (RR), having interchanging periods of worsening and relative stabilization. After a decade, in most RR patients, it alters into the secondary progressive (SP) phase, the most debilitating one with no clear remissions, leading to progressive disability deterioration. Among the greatest challenges for clinicians is understanding disease progression molecular mechanisms, since RR is mainly characterized by inflammatory processes, while in SP, the neurodegeneration prevails. This is especially important because distinguishing RR from the SP subtype early will enable faster implementation of appropriate treatment. Currently, the MS course is not well-correlated with the biomarkers routinely used in clinical practice. Despite many studies, there are still no reliable indicators correlating with the disease stage and its activity degree. Circulating microRNAs (miRNAs) may be considered valuable molecules for the MS diagnosis and, presumably, helpful in predicting disease subtype. MiRNA expression dysregulation is commonly observed in the MS course. Moreover, knowledge of diverse miRNA panel expression between RRMS and SPMS may allow for deterring disability progression through successful treatment. Therefore, in this review, we address the current state of research on differences in miRNA panel expression between the phases.
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Complex Conformational Dynamics of the Heart Failure-Associated Pre-miRNA-377 Hairpin Revealed by Single-Molecule Optical Tweezers. Int J Mol Sci 2021; 22:ijms22169008. [PMID: 34445712 PMCID: PMC8396532 DOI: 10.3390/ijms22169008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/13/2021] [Accepted: 08/18/2021] [Indexed: 11/17/2022] Open
Abstract
Pre-miRNA-377 is a hairpin-shaped regulatory RNA associated with heart failure. Here, we use single-molecule optical tweezers to unzip pre-miRNA-377 and study its stability and dynamics. We show that magnesium ions have a strong stabilizing effect, and that sodium ions stabilize the hairpin more than potassium ions. The hairpin unfolds in a single step, regardless of buffer composition. Interestingly, hairpin folding occurs either in a single step (type 1) or through the formation of intermediates, in multiple steps (type 2) or gradually (type 3). Type 3 occurs only in the presence of both sodium and magnesium, while type 1 and 2 take place in all buffers, with type 1 being the most prevalent. By reducing the size of the native hairpin loop from fourteen to four nucleotides, we demonstrate that the folding heterogeneity originates from the large size of the hairpin loop. Further, while efficient pre-miRNA-377 binders are lacking, we demonstrate that the recently developed C2 ligand displays bimodal activity: it enhances the mechanical stability of the pre-miRNA-377 hairpin and perturbs its folding. The knowledge regarding pre-miRNA stability and dynamics that we provide is important in understanding its regulatory function and how it can be modulated to achieve a therapeutic effect, e.g., in heart failure treatment.
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Roychowdhury D, Gupta S, Qin X, Arighi CN, Vijay-Shanker K. emiRIT: a text-mining-based resource for microRNA information. DATABASE-THE JOURNAL OF BIOLOGICAL DATABASES AND CURATION 2021; 2021:6287648. [PMID: 34048547 PMCID: PMC8163238 DOI: 10.1093/database/baab031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 03/15/2021] [Accepted: 05/04/2021] [Indexed: 01/18/2023]
Abstract
microRNAs (miRNAs) are essential gene regulators, and their dysregulation often leads to diseases. Easy access to miRNA information is crucial for interpreting generated experimental data, connecting facts across publications and developing new hypotheses built on previous knowledge. Here, we present extracting miRNA Information from Text (emiRIT), a text-miningbased resource, which presents miRNA information mined from the literature through a user-friendly interface. We collected 149 ,233 miRNA –PubMed ID pairs from Medline between January 1997 and May 2020. emiRIT currently contains ‘miRNA –gene regulation’ (69 ,152 relations), ‘miRNA disease (cancer)’ (12 ,300 relations), ‘miRNA –biological process and pathways’ (23, 390 relations) and circulatory ‘miRNAs in extracellular locations’ (3782 relations). Biological entities and their relation to miRNAs were extracted from Medline abstracts using publicly available and in-house developed text-mining tools, and the entities were normalized to facilitate querying and integration. We built a database and an interface to store and access the integrated data, respectively. We provide an up-to-date and user-friendly resource to facilitate access to comprehensive miRNA information from the literature on a large scale, enabling users to navigate through different roles of miRNA and examine them in a context specific to their information needs. To assess our resource’s information coverage, we have conducted two case studies focusing on the target and differential expression information of miRNAs in the context of cancer and a third case study to assess the usage of emiRIT in the curation of miRNA information. Database URL: https://research.bioinformatics.udel.edu/emirit/
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Affiliation(s)
- Debarati Roychowdhury
- Department of Computer and Information Sciences, University of Delaware, 101 Smith Hall, 18 Amstel Ave, Newark, DE 19716, USA
| | - Samir Gupta
- Department of Computer and Information Sciences, University of Delaware, 101 Smith Hall, 18 Amstel Ave, Newark, DE 19716, USA
| | - Xihan Qin
- Department of Computer and Information Sciences, Center of Bioinformatics and Computational Biology, University of Delaware, 15 Innovation Way, Room 205, Newark, DE 19711, USA
| | - Cecilia N Arighi
- Department of Computer and Information Sciences, Center of Bioinformatics and Computational Biology, University of Delaware, 15 Innovation Way, Room 205, Newark, DE 19711, USA
| | - K Vijay-Shanker
- Department of Computer and Information Sciences, University of Delaware, 101 Smith Hall, 18 Amstel Ave, Newark, DE 19716, USA
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Ridlo MR, Kim EH, Kim GA. MicroRNA-210 Regulates Endoplasmic Reticulum Stress and Apoptosis in Porcine Embryos. Animals (Basel) 2021; 11:ani11010221. [PMID: 33477489 PMCID: PMC7831048 DOI: 10.3390/ani11010221] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/22/2020] [Accepted: 01/14/2021] [Indexed: 01/26/2023] Open
Abstract
Simple Summary The purpose of this study was to explore the effect of miR-210 on in vitro embryo development, mRNA expression related endoplasmic reticulum (ER) stress. Treatment with a miR-210-inhibitor significantly improved in vitro embryo development and total blastocyst cell number (TCN). Furthermore, miR-210-inhibitor treatment downregulated ER stress and apoptosis-related gene expression, while simultaneously improving embryo capacity. In contrast, a miR-210-mimic decreased in vitro embryo development, TCN, upregulated ER stress and apoptosis genes, and concomitantly impaired embryo quality. Therefore, we suggest that miR-210 plays an important role in porcine in vitro embryo development. Abstract Endoplasmic reticulum (ER) stress can be triggered during in vitro embryo production and is a major obstacle to embryo survival. MicroRNA (miR)-210 is associated with cellular adaptation to cellular stress and inflammation. An experiment was conducted to understand the effects of miR-210 on in vitro embryo development, ER stress, and apoptosis; to achieve this, miR-210 was microinjected into parthenogenetically activated embryos. Our results revealed that miR-210 inhibition significantly enhanced the cleavage rate, blastocyst formation rate, and total cell number (TCN) of blastocysts, and reduced expression levels of XBP1 (p < 0.05). miR-210 inhibition greatly reduced the expression of ER stress-related genes (uXBP1, sXBP1, ATF4, and PTPN1) and Caspase 3 and increased the levels of NANOG and SOX2 (p < 0.05). A miR-210-mimic significantly decreased the cleavage, blastocyst rate, TCN, and expression levels of XBP1 compared with other groups (p < 0.05). The miR-210-mimic impaired the expression levels of uXBP1, sXBP1, ATF4, PTPN1, and Caspase 3 and decreased the expression of NANOG and SOX2 (p < 0.05). In conclusion, miR-210 plays an essential role in porcine in vitro embryo development. Therefore, we suggest that miR-210 inhibition could alleviate ER stress and reduce apoptosis to support the enhancement of in vitro embryo production.
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Affiliation(s)
- Muhammad Rosyid Ridlo
- Department of Theriogenology and Biotechnology, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea; (M.R.R.); (E.H.K.)
- Department of Bioresources Technology and Veterinary, Vocational College, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
| | - Eui Hyun Kim
- Department of Theriogenology and Biotechnology, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea; (M.R.R.); (E.H.K.)
| | - Geon A. Kim
- Department of Biomedical Laboratory Science, School of Medicine, Eulji University, Daejon 34824, Korea
- Correspondence:
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11
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Annese T, Tamma R, De Giorgis M, Ribatti D. microRNAs Biogenesis, Functions and Role in Tumor Angiogenesis. Front Oncol 2020; 10:581007. [PMID: 33330058 PMCID: PMC7729128 DOI: 10.3389/fonc.2020.581007] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 10/27/2020] [Indexed: 12/19/2022] Open
Abstract
microRNAs (miRNAs) are small non-coding RNA molecules, evolutionary conserved. They target more than one mRNAs, thus influencing multiple molecular pathways, but also mRNAs may bind to a variety of miRNAs, either simultaneously or in a context-dependent manner. miRNAs biogenesis, including miRNA transcription, processing by Drosha and Dicer, transportation, RISC biding, and miRNA decay, are finely controlled in space and time. miRNAs are critical regulators in various biological processes, such as differentiation, proliferation, apoptosis, and development in both health and disease. Their dysregulation is involved in tumor initiation and progression. In tumors, they can act as onco-miRNAs or oncosuppressor-miRNA participating in distinct cellular pathways, and the same miRNA can perform both activities depending on the context. In tumor progression, the angiogenic switch is fundamental. miRNAs derived from tumor cells, endothelial cells, and cells of the surrounding microenvironment regulate tumor angiogenesis, acting as pro-angiomiR or anti-angiomiR. In this review, we described miRNA biogenesis and function, and we update the non-classical aspects of them. The most recent role in the nucleus, as transcriptional gene regulators and the different mechanisms by which they could be dysregulated, in tumor initiation and progression, are treated. In particular, we describe the role of miRNAs in sprouting angiogenesis, vessel co-option, and vasculogenic mimicry. The role of miRNAs in lymphoma angiogenesis is also discussed despite the scarcity of data. The information presented in this review reveals the need to do much more to discover the complete miRNA network regulating angiogenesis, not only using high-throughput computational analysis approaches but also morphological ones.
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Affiliation(s)
- Tiziana Annese
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, Section of Human Anatomy and Histology, University of Bari Medical School, Bari, Italy
| | - Roberto Tamma
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, Section of Human Anatomy and Histology, University of Bari Medical School, Bari, Italy
| | - Michelina De Giorgis
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, Section of Human Anatomy and Histology, University of Bari Medical School, Bari, Italy
| | - Domenico Ribatti
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, Section of Human Anatomy and Histology, University of Bari Medical School, Bari, Italy
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12
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Mirzaei R, Mohammadzadeh R, Mirzaei H, Sholeh M, Karampoor S, Abdi M, Alikhani MY, Kazemi S, Ahmadyousefi Y, Jalalifar S, Yousefimashouf R. Role of
microRNAs
in
Staphylococcus aureus
infection: Potential biomarkers and mechanism. IUBMB Life 2020; 72:1856-1869. [DOI: 10.1002/iub.2325] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 05/15/2020] [Indexed: 01/27/2023]
Affiliation(s)
- Rasoul Mirzaei
- Department of Microbiology, School of MedicineHamadan University of Medical Sciences Hamadan Iran
| | - Rokhsareh Mohammadzadeh
- Department of Microbiology, School of MedicineIran University of Medical Sciences Tehran Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic SciencesKashan University of Medical Sciences Kashan Iran
| | - Mohammad Sholeh
- Department of Microbiology, School of MedicineIran University of Medical Sciences Tehran Iran
| | - Sajad Karampoor
- Department of Virology, School of MedicineIran University of Medical Sciences Tehran Iran
| | - Milad Abdi
- Department of Microbiology, School of MedicineIran University of Medical Sciences Tehran Iran
- Student Research Committee, Faculty of MedicineIran University of Medical Sciences Tehran Iran
| | - Mohammad Yousef Alikhani
- Department of Microbiology, School of MedicineHamadan University of Medical Sciences Hamadan Iran
| | - Sima Kazemi
- Department of Microbiology, School of MedicineHamadan University of Medical Sciences Hamadan Iran
| | - Yaghoub Ahmadyousefi
- Department of Medical Biotechnology, School of Advanced Medical Sciences and TechnologiesHamadan University of Medical Sciences Hamadan Iran
- Research Center for Molecular MedicineHamadan University of Medical Sciences Hamadan Iran
| | - Saba Jalalifar
- Department of Microbiology, School of MedicineIran University of Medical Sciences Tehran Iran
| | - Rasoul Yousefimashouf
- Department of Microbiology, School of MedicineHamadan University of Medical Sciences Hamadan Iran
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13
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Sánchez-Chaparro MM, Garza-Veloz I, Zayas-Villanueva OA, Martinez-Fierro ML, Delgado-Enciso I, Gomez-Govea MA, Martínez-de-Villarreal LE, Reséndez-Pérez D, Rodríguez-Sánchez IP. Genetic Variants in the 3'UTR of BRCA1 and BRCA2 Genes and their Putative Effects on the microRNA Mechanism in Hereditary Breast and Ovarian Cancer. Diagnostics (Basel) 2020; 10:diagnostics10050298. [PMID: 32414209 PMCID: PMC7277914 DOI: 10.3390/diagnostics10050298] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/01/2020] [Accepted: 04/10/2020] [Indexed: 12/31/2022] Open
Abstract
Hereditary breast and ovarian cancer (HBOC) syndrome is mainly caused by mutations in the BRCA1 and BRCA2 genes. The 3’UTR region allows for the binding of microRNAs, which are involved in genetic tune regulation. We aimed to identify allelic variants on 3’UTR miRNA-binding sites in the BRCA1 and BRCA2 genes in HBOC patients. Blood samples were obtained from 50 patients with HBOC and from 50 controls. The 3’UTR regions of BRCA1 and BRCA2 were amplified by PCR and sequenced to identify genetic variants using bioinformatics tools. We detected nine polymorphisms in 3’UTR, namely: four in BRCA1 (rs3092995 (C/G), rs8176318 (C/T), rs111791349 (G/A), and rs12516 (C/T)) and five in BRCA2 (rs15869 (A/C), rs7334543 (A/G), rs1157836 (A/G), and rs75353978 (TT/del TT)). A new variant in position c.*457 (A/C) on 3’UTR of BRCA2 was also identified. The following three variants increased the risk of HBOC in the study population: rs111791349-A, rs15869-C, and c.*457-C (odds ratio (OR) range 3.7–15.4; p < 0.05). Genetic variants into the 3’UTR of BRCA1 and BRCA2 increased the risk of HBOC between 3.7–15.4 times in the study population. The presence/absence of these polymorphisms may influence the loss/creation of miRNA binding sites, such as hsa-miR-1248 in BRCA1 3′UTR or the hsa-miR-548 family binding site in BRCA2. Our results add new evidence of miRNA participation in the pathogenesis of HBOC.
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Affiliation(s)
- María Marisela Sánchez-Chaparro
- Laboratory of Immunology and Virology, Collage of Biological Sciences, Universidad Autónoma de Nuevo Leon, San Nicolas de los Garza, Nuevo Leon 66451, Mexico; (M.M.S.-C.); (D.R.-P.)
| | - Idalia Garza-Veloz
- Molecular Medicine Laboratory, Human Medicine and HS Academic Unit, Universidad Autonoma de Zacatecas, Zacatecas, Zacatecas 98160, Mexico;
| | - Omar Alejandro Zayas-Villanueva
- University Center Against Cancer (CUCC), Hospital Universitario “Dr. José E. González”, Collage of Medicine, Universidad Autónoma de Nuevo Leon, Monterrey, Nuevo Leon 64460, Mexico;
| | - Margarita L. Martinez-Fierro
- Molecular Medicine Laboratory, Human Medicine and HS Academic Unit, Universidad Autonoma de Zacatecas, Zacatecas, Zacatecas 98160, Mexico;
- Correspondence: (M.L.M.-F.); (I.P.R.-S.); Tel.: +52-492-925-6690 (M.L.M.-F.); +52-818-329-4217 (I.P.R.-S.)
| | - Iván Delgado-Enciso
- Faculty of Medicine, Universidad de Colima, Colima, Colima 28040, Mexico;
- Colima State Cancer Institute, Universidad de Colima, Colima, Colima 28040, Mexico
| | - Mayra Alejandra Gomez-Govea
- Laboratory of Molecular and Structural Physiology, Collage of Biological Sciences, Universidad Autonoma de Nuevo Leon, San Nicolas de los Garza, Nuevo Leon 66451, Mexico;
| | | | - Diana Reséndez-Pérez
- Laboratory of Immunology and Virology, Collage of Biological Sciences, Universidad Autónoma de Nuevo Leon, San Nicolas de los Garza, Nuevo Leon 66451, Mexico; (M.M.S.-C.); (D.R.-P.)
| | - Iram Pablo Rodríguez-Sánchez
- Laboratory of Molecular and Structural Physiology, Collage of Biological Sciences, Universidad Autonoma de Nuevo Leon, San Nicolas de los Garza, Nuevo Leon 66451, Mexico;
- Correspondence: (M.L.M.-F.); (I.P.R.-S.); Tel.: +52-492-925-6690 (M.L.M.-F.); +52-818-329-4217 (I.P.R.-S.)
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14
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Shastri AA, Saleh A, Savage JE, DeAngelis T, Camphausen K, Simone NL. Dietary alterations modulate the microRNA 29/30 and IGF-1/AKT signaling axis in breast Cancer liver metastasis. Nutr Metab (Lond) 2020; 17:23. [PMID: 32211051 PMCID: PMC7092508 DOI: 10.1186/s12986-020-00437-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 02/27/2020] [Indexed: 02/06/2023] Open
Abstract
Background Metastatic cancer is incurable and understanding the molecular underpinnings is crucial to improving survival for our patients. The IGF-1/Akt signaling pathway is often impaired in cancer leading to its progression and metastases. Diet modification is known to alter the IGF-1/Akt pathway and affect the expression of microRNA involved in tumor initiation, growth and metastases. Liver metastases are one of the most common type of metastases in breast and colon cancer. In the present study, we looked at the effect of diet modification on the expression of microRNA in normal liver and liver with breast cancer metastases using in vivo model. Methodology 6-month-old C57BL/6 J mice were put on either an ad libitum (AL) diet, or 40% calorie restricted (CR) diet or were fasted for 24 h (FA) before sacrifice. MicroRNA array analysis, western blot and qRT-PCR were performed using liver tissue to compare the treatment groups. A breast cancer model was also used to study the changes in microRNA expression in liver of a group of BALB/c mice orthotopically injected with 4 T1 cells in the mammary fat pad, put on either an AL or 30% CR diet. Liver and primary tumor tissues were used to perform qRT-PCR to compare the treatment groups. Results MicroRNA array analysis showed significant changes in miRNA expression in both CR and FA conditions in normal liver. Expression of miR-29 and miR-30 family members was increased in both CR and FA. Western blot analysis of the normal liver tissue showed that CR and FA downregulated the IGF-1/Akt pathway and qRT-PCR showed that the expression of miR-29b, miR-29c, miR-30a and miR-30b were increased with CR and FA. Liver tissue collected from mice in the breast cancer model showed an increase in expression of miR-29b, miR-29c and miR-30b while tumor tissue showed increased expression of miR-29c, miR-30a and miR-30b. Discussion Members of the miR-29 family are known to target and suppress IGF-1, while members of the miR-30 family are known to target and suppress both IGF-1 and IGF-1R. In the present study, we observe that calorie restriction increased the expression of miR-29 and miR-30 in both the normal liver as well as the liver with breast cancer metastases. These findings suggest that dietary alterations may play a role in the treatment of liver metastasis, which should be evaluated further.
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Affiliation(s)
- Anuradha A Shastri
- 1Department of Radiation Oncology, Sidney Kimmel Cancer Center at Thomas Jefferson University, Philadelphia, PA USA
| | - Anthony Saleh
- 2Center for Cancer Research, National Cancer Institute, Bethesda, MD USA
| | - Jason E Savage
- 2Center for Cancer Research, National Cancer Institute, Bethesda, MD USA
| | - Tiziana DeAngelis
- 1Department of Radiation Oncology, Sidney Kimmel Cancer Center at Thomas Jefferson University, Philadelphia, PA USA
| | - Kevin Camphausen
- 2Center for Cancer Research, National Cancer Institute, Bethesda, MD USA
| | - Nicole L Simone
- 1Department of Radiation Oncology, Sidney Kimmel Cancer Center at Thomas Jefferson University, Philadelphia, PA USA
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15
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Li S, Ma H, Yuan X, Zhou X, Wan Y, Chen S. MicroRNA-382-5p Targets Nuclear Receptor Subfamily 3 Group C Member 1 to Regulate Depressive-Like Behaviors Induced by Chronic Unpredictable Mild Stress in Rats. Neuropsychiatr Dis Treat 2020; 16:2053-2061. [PMID: 32982244 PMCID: PMC7490101 DOI: 10.2147/ndt.s243920] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 08/17/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Depression is an emotional disorder characterized by depression, lack of pleasure, and cognitive and sleep disorders. It is a systemic disease with a complex pathogenesis. In this study, we will be focused to investigate their associations and the exact functional mechanisms of miR-382-5p and NR3C1 in depression. MATERIALS AND METHODS We measured the expressions of microRNA-382-5p (miR-382-5p) and NR3C1 in the hippocampus by chronic unpredictable mild stress (CUMS). Depression behavior test including novelty-suppressed feeding test (NSFT), sucrose preference test (SPT), and forced swim test (FST) on rats have been conducted to examine the roles and functions of miR-382-5p and NR3C1 on depression-like behaviors by lentivirus vectors. RESULTS Up-regulation of miR-382-5p and down-regulation of NR3C1 were observed in rats' hippocampus induced by CUMS. miR-382-5p targeted NR3C1 and inhibited the expressions of NR3C1 in rats' hippocampus. miR-382-5p could significantly change the depression behaviors induced by CUMS. NR3C1 downstream BDNF and p-TrkB were also oppositely associated with miR-382-5p in rats' hippocampus. CONCLUSION Through our experiments and analysis, we found that the associations between miR-382-5p and NR3C1 could affect the depression-like behaviors.
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Affiliation(s)
- Shuqian Li
- Department of Rehabilitation, People's Hospital of Shenzhen Baoan District, Shenzhen 518100, People's Republic of China
| | - Hong Ma
- Department of Rehabilitation, Binzhou Medical University, Yantai, Shandong Province 264003, People's Republic of China
| | - Xu Yuan
- Department of Rehabilitation, People's Hospital of Shenzhen Baoan District, Shenzhen 518100, People's Republic of China
| | - Xiaomei Zhou
- Department of Rehabilitation, People's Hospital of Shenzhen Baoan District, Shenzhen 518100, People's Republic of China
| | - Yiwen Wan
- Department of Rehabilitation, People's Hospital of Shenzhen Baoan District, Shenzhen 518100, People's Republic of China
| | - Shangjie Chen
- Department of Rehabilitation, People's Hospital of Shenzhen Baoan District, Shenzhen 518100, People's Republic of China
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16
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Oxidative Stress Alters Angiogenic and Antimicrobial Content of Extracellular Vesicles and Improves Flap Survival. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2019; 7:e2588. [PMID: 32537316 PMCID: PMC7288884 DOI: 10.1097/gox.0000000000002588] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 10/23/2019] [Indexed: 01/08/2023]
Abstract
Extracellular vesicles (EVs) secreted from adipose-derived mesenchymal stem cells (ADSCs) (ADSC-EVs) improve flap survival after ischemia-reperfusion injury. Exposure of parent ADSCs to oxidative stress has been shown to enhance this effect, but mechanisms are unclear. We aimed to determine whether angiogenesis-promoting protein and microRNA (miRNA) content is altered in EVs after preconditioning with hydrogen peroxide (H2O2 ADSC-EVs) and whether H2O2 ADSC-EVs can increase viability of random pattern skin flaps. Methods EVs secreted by human ADSCs were isolated after culture in EV-depleted medium ± H2O2. Nanoparticle tracking analysis determined size and concentration of purified EVs. Mass spectrometry and small RNA next-generation sequencing were performed to compare proteomic and miRNA profiles. ADSC-EVs, H2O2 ADSC-EVs, or vehicle were injected into random pattern skin flaps of BALB/c mice (4-5 mice per group). Viable and necrotic areas were measured on day 7, and tissues underwent histologic analysis. Results Angiogenic and antimicrobial protein content of EVs was altered with H2O2 preconditioning. Functional enrichment analysis identified constitutive photomorphogenesis 9 signalosome (known to direct vascular endothelial growth factor production) as the major enriched Gene Ontology term unique to H2O2 ADSC-EVs. Two miRNAs were increased, and 12 (including 10 antiangiogenic miRNAs) were reduced in H2O2 ADSC-EVs. Enhanced viability (P < 0.05) of flaps treated with H2O2 ADSC-EVs compared with vehicle corresponded to increased capillary density in the H2O2 group (P < 0.001). Conclusion Altered protein and miRNA content in ADSC-EVs after H2O2 pretreatment likely contributes to enhanced therapeutic effects on flap survival observed in preclinical models.
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17
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miRNAs in depression vulnerability and resilience: novel targets for preventive strategies. J Neural Transm (Vienna) 2019; 126:1241-1258. [PMID: 31350592 PMCID: PMC6746676 DOI: 10.1007/s00702-019-02048-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 07/11/2019] [Indexed: 02/06/2023]
Abstract
The exposure to stressful experiences during the prenatal period and through the first years of life is known to affect the brain developmental trajectories, leading to an enhanced vulnerability for the development of several psychiatric disorders later in life. However, not all the subjects exposed to the same stressful experience develop a pathologic condition, as some of them, activating coping strategies, become more resilient. The disclosure of mechanisms associated with stress vulnerability or resilience may allow the identification of novel biological processes and potential molecules that, if properly targeted, may prevent susceptibility or potentiate resilience. Over the last years, miRNAs have been proposed as one of the epigenetic mechanisms mediating the long-lasting effects of stress. Accordingly, they are associated with the development of stress vulnerability or resilience-related strategies. Moreover, miRNAs have been proposed as possible biomarkers able to identify subjects at high risk to develop depression and to predict the response to pharmacological treatments. In this review, we aimed to provide an overview of findings from studies in rodents and humans focused on the involvement of miRNAs in the mechanisms of stress response with the final goal to identify distinct sets of miRNAs involved in stress vulnerability or resilience. In addition, we reviewed studies on alterations of miRNAs in the context of depression, showing data on the involvement of miRNAs in the pathogenesis of the disease and in the efficacy of pharmacological treatments, discussing the potential utility of miRNAs as peripheral biomarkers able to predict the treatment response.
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18
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Hindle AG, Thoonen R, Jasien JV, Grange RMH, Amin K, Wise J, Ozaki M, Ritch R, Malhotra R, Buys ES. Identification of Candidate miRNA Biomarkers for Glaucoma. Invest Ophthalmol Vis Sci 2019; 60:134-146. [PMID: 30629727 PMCID: PMC6329203 DOI: 10.1167/iovs.18-24878] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Purpose Glaucoma, a leading cause of blindness worldwide, often remains undetected until irreversible vision loss has occurred. Treatments focus on lowering intraocular pressure (IOP), the only modifiable and readily measurable risk factor. However, IOP can vary and does not always predict disease progression. MicroRNAs (miRNAs) are promising biomarkers. They are abundant and stable in biological fluids, including plasma and aqueous humor (AqH). We aimed to identify differentially expressed miRNAs in AqH and plasma from glaucoma, exfoliation syndrome (XFS), and control subjects. Methods Plasma and AqH from two ethnic cohorts were harvested from glaucoma or XFS (often associated with glaucoma, n = 33) and control (n = 31) patients undergoing elective surgery. A custom miRNA array measured 372 miRNAs. Molecular target prediction and pathway analysis were performed with Ingenuity Pathway Analysis (IPA) and DIANA bioinformatical tools. Results Levels of miRNAs in plasma, a readily accessible biomarker source, correlated with miRNA levels in AqH. Twenty circulating miRNAs were at least 1.5-fold higher in glaucoma or XFS patients than in controls across two ethnic cohorts: miR-4667-5p (P = 4.1 × 10−5), miR-99b-3p (P = 4.8 × 10−5), miR-637 (P = 5.1 × 10−5), miR-4490 (P = 5.7 × 10−5), miR-1253 (P = 6.0 × 10−5), miR-3190-3p (P = 3.1 × 10−4), miR-3173-3p (P = 0.001), miR-608 (P = 0.001), miR-4725-3p (P = 0.002), miR-4448 (P = 0.002), and miR-323b-5p (P = 0.002), miR-4538 (P = 0.003), miR-3913-3p (P = 0.003), miR-3159 (P = 0.003), miR-4663 (P = 0.003), miR-4767 (P = 0.003), miR-4724-5p (P = 0.003), miR-1306-5p (P = 0.003), miR-181b-3p (P = 0.004), and miR-433-3p (P = 0.004). miR-637, miR-1306-5p, and miR-3159, in combination, allowed discrimination between glaucoma patients and control subjects (AUC = 0.91 ± 0.008, sensitivity 85.0%, specificity 87.5%). Conclusions These results identify specific miRNAs as potential biomarkers and provide insight into the molecular processes underlying glaucoma.
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Affiliation(s)
- Allyson G Hindle
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, Massachusetts, United States
| | - Robrecht Thoonen
- Cardiovascular Research Center and Cardiology Division of the Department of Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, Massachusetts, United States
| | - Jessica V Jasien
- Einhorn Clinical Research Center, New York Ear Eye and Ear Infirmary of Mount Sinai, New York, New York, United States
| | - Robert M H Grange
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, Massachusetts, United States
| | | | - Jasen Wise
- Qiagen, Frederick, Maryland, United States
| | | | - Robert Ritch
- Einhorn Clinical Research Center, New York Ear Eye and Ear Infirmary of Mount Sinai, New York, New York, United States
| | - Rajeev Malhotra
- Cardiovascular Research Center and Cardiology Division of the Department of Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, Massachusetts, United States
| | - Emmanuel S Buys
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, Massachusetts, United States
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Fang Y, Qiu J, Jiang ZB, Xu SR, Zhou ZH, He RL. Increased serum levels of miR-214 in patients with PCa with bone metastasis may serve as a potential biomarker by targeting PTEN. Oncol Lett 2018; 17:398-405. [PMID: 30655780 DOI: 10.3892/ol.2018.9522] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Accepted: 01/03/2018] [Indexed: 12/13/2022] Open
Abstract
MicroRNAs (miRNAs/miRs) are identified to serve key functions in the progression of various tumors. miR-214 is aberrantly expressed in various types of cancer. In the present study, the function of miR-214 and its feasibility as a potential non-invasive biomarker for patients with prostate cancer (PCa) in a hyperplasia group and a control group were investigated. First, RNA was isolated from the serum of 75 patients with PCa with bone metastasis, 65 patients with PCa with no bone metastasis and 70 healthy controls. The level of miR-214 expression was significantly upregulated in the serum of the bone metastasis group compared with the healthy control and non-bone metastasis groups. Expression levels of alkaline phosphatase (ALP), bone sialoprotein (BSP), collagen type I pyridine crosslinking peptide (ICTP) were also evaluated. The results indicated that serum levels of BSP, ALP and ICTP were increased in the bone metastasis group compared with that in the non-bone metastasis group, hyperplasia group and the control group (P<0.05). The expression level of miR-214 is positively associated with poorly differentiated tumors in patients with PCa with a Gleason score >7 (P<0.05). Western blot analysis demonstrated that phosphatase and tensin homolog (PTEN) was a target gene of miR-214. Additionally, silencing of PTEN significantly increased the invasive ability of PC3 cells even when miR-214 expression was inhibited. In summary, serum miR-214 expression may serve as a potential novel non-invasive biomarker for PCa screening through targeting PTEN.
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Affiliation(s)
- Yi Fang
- Department of Anesthesiology, Changsha Central Hospital, Changsha, Hunan 410000, P.R. China
| | - Jun Qiu
- Oncology Department Two, Mawangdui Hospital of Hunan People's Hospital, Changsha, Hunan 410016, P.R. China
| | - Zong-Bin Jiang
- Department of Pain Medicine, Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530000, P.R. China
| | - Sheng-Rong Xu
- Department of Pain Medicine, Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530000, P.R. China
| | - Zeng-Hua Zhou
- Department of Pain Medicine, Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530000, P.R. China
| | - Rui-Lin He
- Department of Pain Medicine, Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530000, P.R. China
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20
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Wang Q, Zhao G, Yang Z, Liu X, Xie P. Downregulation of microRNA‑124‑3p suppresses the mTOR signaling pathway by targeting DDIT4 in males with major depressive disorder. Int J Mol Med 2018; 41:493-500. [PMID: 29115444 DOI: 10.3892/ijmm.2017.3235] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 09/26/2017] [Indexed: 11/06/2022] Open
Abstract
Recent investigations have suggested that microRNAs (miRNAs or miRs) are involved in several pathways that may contribute to the pathomechanism of major depressive disorder (MDD). Sex may not only act as a demographic factor in clinical practive, but may also play a vital role in the molecular heterogeneity of MDD. Although many molecular changes correlated with MDD are found in males, the molecular mechanisms of MDD remain poorly understood. The present study performed bioinformatics analysis to investigate the pathomechanism of MDD in males. The present study identified miR‑124‑3p as one of the most dysregulated miRNAs in MDD, with decreased expression in the post‑mortem BA44 brain area of male patients with MDD. In addition, miR‑124‑3p targets DNA damage‑inducible transcript 4 (DDIT4) and specificity protein 1 (SP1), a DDIT4 transcription factor, in the validated target module of the miRWalk 2.0 database. This is concurrent with an increase in the expression level of DDIT4, which is an inhibitor of the mammalian target of rapamycin (mTOR) signaling pathway. It was also demonstrated that miR‑124‑3p expression was positively associated with mTOR signaling and this relationship was dependent on the tuberous sclerosis proteins 1/2 complex. Taken together, these results provided a novel insight on miR‑124‑3p involvement in the biological alterations of male patients with MDD and suggested that this miRNA may also serve as a male‑specific target for antidepressant treatment.
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Affiliation(s)
- Qiuling Wang
- Department of Psychiatry, Jining Psychiatric Hospital, Jining, Shandong 272051, P.R. China
| | - Gaofeng Zhao
- Department of Psychiatry, Jining Psychiatric Hospital, Jining, Shandong 272051, P.R. China
| | - Zhenzhen Yang
- Department of Psychiatry, Jining Psychiatric Hospital, Jining, Shandong 272051, P.R. China
| | - Xia Liu
- Department of Psychiatry, Jining Psychiatric Hospital, Jining, Shandong 272051, P.R. China
| | - Ping Xie
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing 100069, P.R. China
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Kandratsenka H, Nestsiarovich A, Goloenko I, Danilenko N, Makarevich A, Obyedkov V, Davydenko O, Waszkiewicz N. Association of MIR137 With Symptom Severity and Cognitive Functioning in Belarusian Schizophrenia Patients. Front Psychiatry 2018; 9:295. [PMID: 30026708 PMCID: PMC6041593 DOI: 10.3389/fpsyt.2018.00295] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Accepted: 06/15/2018] [Indexed: 12/17/2022] Open
Abstract
MicroRNA-137 (miRNA-137; miR-137) is one of the important post-transcriptional regulators of the nervous system development, and its MIR137 gene rs1625579 polymorphism was reported to be a potential regulator for schizophrenia susceptibility. However, schizophrenia characteristics controlled by MIR137 rs1625579 polymorphism are still insufficiently understood. There were 3 groups included in the study: (a) subjects with diagnosis of schizophrenia (n = 150; 81-females, 69-males), (b) mentally healthy people (control group; n = 102; 66-females, 36-males) and (c) Belarusian indigenous male group (n = 295). Associations of rs1625579 with schizophrenia, symptom's severity and cognitive performance [by using Positive and Negative Syndrome Scale (PANSS) and Wisconsin Card Sorting Test (WCST), respectively] were studied, when compared to controls. Allele and genotype frequencies were investigated in Belarusian indigenous males. Rs1625579 displayed no association with schizophrenia in Belarusian population. Significant "symptom severity-genotype" interactions were revealed for schizophrenia patients. Patients with T/G genotype displayed lower severity of positive symptoms and general psychopathology compared to homozygous subjects. T/T genotype was associated with the highest symptom's severity. The negative symptom scores and the total PANSS-score were significantly higher in females carrying genotype T/T vs. T/G+G/G; no significant gene-phenotype associations were found in males. WCST parameters did not show any association with rs1625579 polymorphism. MIR137 rs1625579 polymorphism might be an important sex-dependent factor influencing severity of schizophrenia psychopathological manifestations. These findings also contribute to the knowledge on candidate gene effects on characteristics related to schizophrenia phenotype. As miR 137 is considered to be cancer therapeutic target, miR-137 may also explain the lower incidence of cancer in schizophrenia patients. Further studies with larger sample size are needed to confirm these novel findings.
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Affiliation(s)
- Hanna Kandratsenka
- Laboratory of Cytoplasmic Inheritance, Institute of Genetics and Cytology, National Academy of Sciences of the Republic of Belarus, Minsk, Belarus
| | - Anastasiya Nestsiarovich
- Department of Internal Medicine, Center for Global Health, University of New Mexico, Albuquerque, NM, United States
| | - Inna Goloenko
- Laboratory of Cytoplasmic Inheritance, Institute of Genetics and Cytology, National Academy of Sciences of the Republic of Belarus, Minsk, Belarus
| | - Nina Danilenko
- Laboratory of Cytoplasmic Inheritance, Institute of Genetics and Cytology, National Academy of Sciences of the Republic of Belarus, Minsk, Belarus
| | - Anna Makarevich
- Laboratory of Cytoplasmic Inheritance, Institute of Genetics and Cytology, National Academy of Sciences of the Republic of Belarus, Minsk, Belarus
| | - Victor Obyedkov
- Department of Psychiatry and Medical Psychology, Belarusian State Medical University, Minsk, Belarus
| | - Oleg Davydenko
- Laboratory of Cytoplasmic Inheritance, Institute of Genetics and Cytology, National Academy of Sciences of the Republic of Belarus, Minsk, Belarus
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22
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Xiang Z, Yang Y, Chang C, Lu Q. The epigenetic mechanism for discordance of autoimmunity in monozygotic twins. J Autoimmun 2017; 83:43-50. [PMID: 28412046 DOI: 10.1016/j.jaut.2017.04.003] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Accepted: 04/05/2017] [Indexed: 12/12/2022]
Abstract
Monozygotic twins share an identical DNA sequence but are not truly "identical". In fact, when it comes to health and disease, they may often display some level of phenotypic discordance. The cause of this discordance is often unknown. Epigenetic modifications such as DNA methylation, histone modification, and microRNAs-mediated regulation regulate gene expression and are sensitive to external stimuli. These modifications may be seen to bridge the gap between genetics and the environment. Over the years, the importance of epigenetics as a primary mechanism for the role that the environment plays in defining phenotype has been increasingly appreciated. Mechanisms of epigenetics include DNA methylation, histone modifications and microRNAs. Discordance rates in monozygotic twins vary depending on the specific condition, from 11% in SLE to 64% in psoriasis and 77% in PBC. Other autoimmune diseases in which discordance is found among monozygotic twins has also been studied include type 1 diabetes, multiple sclerosis, rheumatoid arthritis, dermatomyositis and systemic sclerosis. In some cases, the differences in various epigenetic modifications is slight, even though the concordance rate is low, suggesting that epigenetics is not the only factor that needs to be considered. Nonetheless, the study of phenotypic discordance in monozygotic twins may shed light on the pathogenesis of autoimmune diseases and contribute to the development of new methodologies for the diagnosis and treatment of these diseases.
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Affiliation(s)
- Zhongyuan Xiang
- Department of Laboratory Medicine, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yuanqing Yang
- Department of Laboratory Medicine, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Christopher Chang
- Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis, 451 Health Sciences Drive, Suite 6510, Davis, CA 95616, United States
| | - Qianjin Lu
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, Hunan, China.
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23
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Liu Q, Wu DH, Han L, Deng JW, Zhou L, He R, Lu CJ, Mi QS. Roles of microRNAs in psoriasis: Immunological functions and potential biomarkers. Exp Dermatol 2017; 26:359-367. [PMID: 27783430 PMCID: PMC5837862 DOI: 10.1111/exd.13249] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2016] [Indexed: 12/26/2022]
Abstract
MicroRNAs (miRNAs) are small non-coding RNA molecules, which function in RNA silencing and post-transcriptional regulation of gene expression. Psoriasis is an inflammatory skin disease characterized by the dysfunction of keratinocytes, with the immune dysregulation. We reviewed the recent studies on the roles of miRNAs in psoriasis and showed that miRNAs play key roles in psoriasis, including the regulation of hyperproliferation, cytokine and chemokine production in keratinocyte, as well as mediating immune dysfunction in psoriasis. Furthermore, miRNAs, particularly, circulating miRNAs may serve as novel biomarkers for diagnosis, monitoring therapy response and reflecting the disease severity. Thus, targeting specific miRNAs may be used to develop new therapeutic methods for psoriasis.
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Affiliation(s)
- Qing Liu
- Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Immunology, School of medicine, Fudan University, Shanghai, China
| | - Ding-Hong Wu
- Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
- Henry Ford Immunology Program, Henry Ford Health System, Detroit, MI, USA
- Department of Dermatology, Henry Ford Health System, Detroit, MI, USA
| | - Ling Han
- Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
- Henry Ford Immunology Program, Henry Ford Health System, Detroit, MI, USA
- Department of Dermatology, Henry Ford Health System, Detroit, MI, USA
| | - Jing-Wen Deng
- Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
- Henry Ford Immunology Program, Henry Ford Health System, Detroit, MI, USA
- Department of Dermatology, Henry Ford Health System, Detroit, MI, USA
| | - Li Zhou
- Henry Ford Immunology Program, Henry Ford Health System, Detroit, MI, USA
- Department of Dermatology, Henry Ford Health System, Detroit, MI, USA
- Department of Internal Medicine, Henry Ford Health System, Detroit, MI, USA
| | - Rui He
- Department of Immunology, School of medicine, Fudan University, Shanghai, China
| | - Chuan-Jian Lu
- Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qing-Sheng Mi
- Henry Ford Immunology Program, Henry Ford Health System, Detroit, MI, USA
- Department of Dermatology, Henry Ford Health System, Detroit, MI, USA
- Department of Internal Medicine, Henry Ford Health System, Detroit, MI, USA
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24
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Rostami Mogaddam M, Safavi Ardabili N, Shafaeei Y, Maleki N, Jafari N, Jafari A. Overexpression of Drosha, DiGeorge syndrome critical region gene 8 (DGCR8), and Dicer mRNAs in the pathogenesis of psoriasis. J Cosmet Dermatol 2017; 16:e48-e53. [DOI: 10.1111/jocd.12336] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Majid Rostami Mogaddam
- Department of Dermatology; Imam Khomeini Hospital; Ardebil University of Medical Sciences; Ardabil Iran
| | | | - Yousef Shafaeei
- Department of Surgery; Imam Khomeini Hospital; Ardebil University of Medical Sciences; Ardebil Iran
| | - Nasrollah Maleki
- Department of Endocrine and Metabolic Diseases; The Persian Gulf Tropical Medicine Research Center; Bushehr University of Medical Sciences; Bushehr Iran
| | - Naser Jafari
- Markey Cancer Center; University of Kentucky; Lexington USA
| | - Alireza Jafari
- Department of Dermatology; Imam Khomeini Hospital; Ardebil University of Medical Sciences; Ardabil Iran
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25
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Bahi A. Hippocampal BDNF overexpression or microR124a silencing reduces anxiety- and autism-like behaviors in rats. Behav Brain Res 2017; 326:281-290. [PMID: 28284951 DOI: 10.1016/j.bbr.2017.03.010] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Revised: 02/27/2017] [Accepted: 03/04/2017] [Indexed: 12/16/2022]
Abstract
MicroRNA124a (miR124a) has emerged recently as a key player for multiple neuropsychiatric disorders including depression, anxiety, alcoholism, and cocaine addiction. Although we have previously reported that miR124a and its target the brain-derived neutrophic factor (BDNF) play an important role in autism-like behaviors, the molecular and behavioral dysfunctions remain unknown. The aim of this study was to understand the effects of sustained decreases in miR124a and increases of BDNF in the dentate gyrus (DG) on neonatal isolation-induced anxiety-and autism like behaviors in rats. Here we report that lentiviral-mediated silencing of miR124a in the adult DG attenuated neonatal isolation-induced anxiety-like behavior in the elevated plus maze (EPM) and open-field (OF) tests. Also, miR124a silencing decreased autism-like phenotype in the marble burying test (MBT), self-grooming (SG), and social interaction tests. Pearson's correlations demonstrated that high levels of BDNF, a direct target of miR124a, were negatively correlated with miR124a expression. Interestingly, viral-mediated BDNF overexpression in the DG also reversed the neonatal isolation-induced anxiety-and autism like phenotypes. Collectively, these findings suggest that miR124a, through its target BDNF, may influence neonatal isolation-induced anxiety-and autism like behaviors. In conclusion, these results do support the hypothesis that miR124a in discrete hippocampal areas contributes to anxiety- and autism-like behaviors and may be involved in the neuroadaptations underlying the development of autism spectrum disorders as a persistent and lasting condition, and therefore provide a clearer mechanistic framework for understanding the physiopathology of such psychiatric illnesses.
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Affiliation(s)
- Amine Bahi
- Department of Anatomy, Tawam Medical Campus, United Arab Emirates University, Al Ain, United Arab Emirates.
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26
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MicroRNAs Modulate Pathogenesis Resulting from Chlamydial Infection in Mice. Infect Immun 2016; 85:IAI.00768-16. [PMID: 27799333 DOI: 10.1128/iai.00768-16] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 10/26/2016] [Indexed: 02/07/2023] Open
Abstract
Not all women infected with chlamydiae develop upper genital tract disease, but the reason(s) for this remains undefined. Host genetics and hormonal changes associated with the menstrual cycle are possible explanations for variable infection outcomes. It is also possible that disease severity depends on the virulence of the chlamydial inoculum. It is likely that the inoculum contains multiple genetic variants, differing in virulence. If the virulent variants dominate, then the individual is more likely to develop severe disease. Based on our previous studies, we hypothesized that the relative degree of virulence of a chlamydial population dictates the microRNA (miRNA) expression profile of the host, which, in turn, through regulation of the host inflammatory response, determines disease severity. Thus, we infected C57BL/6 mice with two populations of Chlamydia muridarum, each comprised of multiple genetic variants and differing in virulence: an attenuated strain (NiggA) and a virulent strain (NiggV). NiggA and NiggV elicited upper tract pathology in 54% and 91% of mice, respectively. miRNA expression analysis in NiggV-infected mice showed significant downregulation of miRNAs involved in dampening fibrosis (miR-200b, miR-200b-5p, and 200b-3p miR-200a-3p) and in transcriptional regulation of cytokine responses (miR-148a-3p, miR-152-3p, miR-132, and miR-212) and upregulation of profibrotic miRNAs (miR-142, and miR-147). Downregulated miRNAs were associated with increased expression of interleukin 8 (IL-8), CXCL2, IL-1β, tumor necrosis factor alpha (TNF-α), and IL-6. Infection with NiggV but not NiggA led to decreased expression of Dicer and Ago 2, suggesting that NiggV interaction with host cells inhibits expression of the miRNA biogenesis machinery, leading to increased cytokine expression and pathology.
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27
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Yang Z, Zeng B, Tang X, Wang H, Wang C, Yan Z, Huang P, Pan Y, Xu B. MicroRNA-146a and miR-99a are potential biomarkers for disease activity and clinical efficacy assessment in psoriasis patients treated with traditional Chinese medicine. JOURNAL OF ETHNOPHARMACOLOGY 2016; 194:727-732. [PMID: 27562321 DOI: 10.1016/j.jep.2016.08.028] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 08/06/2016] [Accepted: 08/20/2016] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Psoriasis is a common chronic inflammatory skin disease. A number of clinical investigations have indicated that traditional Chinese medicine (TCM) is an effective and safe treatment for psoriasis. Zhuhuang Granule (ZG) is a modified formulation of Zhuhuang Decoction, which is used traditionally in China for the treatment of psoriasis in clinical practice. AIM OF THE STUDY Recent studies have found that microRNAs (miRNAs) play important roles in the pathogenesis of some skin diseases. The objective of our study was to investigate the effect of ZG on the expression of miRNAs in peripheral blood mononuclear cells (PBMCs) from psoriasis patients and to identify specific miRNA biomarkers for psoriasis disease activity and assessment of clinical efficacy. MATERIALS AND METHODS Twenty-five psoriasis patients and 15 healthy control subjects were recruited to participate in this study from October 2013 to October 2014. Microarray and quantitative real-time PCR (qRT-PCR) were used to measure the global miRNA expression in PBMCs from psoriasis patients and healthy control subjects. We also measured the changes in the Psoriasis Area and Severity Index (PASI) score and miRNA expression of patients before and after treatment with ZG. RESULTS The microarray results showed that 26 miRNAs were upregulated and 13 miRNAs were decreased in psoriasis patients. qRT-PCR validated 3 upregulated miRNAs (miR-146a, miR-31, miR-192-5p) and 2 downregulated miRNAs (miR-99a, miR-200c) in PBMCs from psoriasis patients compared with healthy controls (p<0.01). Moreover, after 8 weeks of ZG treatment, patients achieved a significant reduction in PASI scores. QRT-PCR analysis indicated that the expression of miR-146a and miR-99a is closely correlated with psoriasis severity (R2=0.772, p<0.01; R2=0.672, p<0.01). CONCLUSION We suggest that both miR-146a and miR-99a may serve as potential biomarkers for disease activity and clinical efficacy in psoriasis patients treated with ZG.
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Affiliation(s)
- Zhibo Yang
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No. 233 Caie North Road, Tianxin District, Changsha, Hunan Province 410005, China
| | - Bijun Zeng
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No. 233 Caie North Road, Tianxin District, Changsha, Hunan Province 410005, China.
| | - Xueyong Tang
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No. 233 Caie North Road, Tianxin District, Changsha, Hunan Province 410005, China
| | - Haizhen Wang
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No. 233 Caie North Road, Tianxin District, Changsha, Hunan Province 410005, China
| | - Chang Wang
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No. 233 Caie North Road, Tianxin District, Changsha, Hunan Province 410005, China
| | - Zhangren Yan
- Department of Dermatology, Traditional Chinese Hospital of Jiangxi Province, No. 445 Bayi Road, Nanchang, Jiangxi Province 330019, China
| | - Pan Huang
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No. 233 Caie North Road, Tianxin District, Changsha, Hunan Province 410005, China
| | - Yi Pan
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No. 233 Caie North Road, Tianxin District, Changsha, Hunan Province 410005, China
| | - Bin Xu
- Department of Dermatology, Wuhan No. 1 Hospital, No. 215 Zhongshan Road, Qiaokou District, Wuhan, Hubei Province 430022, China
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Mohammadi P, Youssef KK, Abbasalizadeh S, Baharvand H, Aghdami N. Human Hair Reconstruction: Close, But Yet So Far. Stem Cells Dev 2016; 25:1767-1779. [PMID: 27649771 DOI: 10.1089/scd.2016.0137] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Billions of dollars are annually invested in pharmaceutical industry and cosmetic sector with intent to develop new drugs and treatment strategies for alopecia. Because the hair looks an important characteristic of humans-an effective appendage in perception, expression of beauty, and preservation of self-esteem-the global market for hair loss treatment products is exponentially increasing. However, current methods to treat hair loss endure yet multiple challenges, such as unfavorable outcomes, nonpermanent and patient-dependent results, as well as unpredictable impacts, which limit their application. Over recent years, remarkable advances in the fields of regenerative medicine and hair tissue engineering have raised new hopes for introducing novel cell-based approaches to treat hair loss. Through cell-based approaches, it is possible to produce hair-like structures in the laboratory setting or manipulate cells in their native niche (in vivo lineage reprogramming) to reconstruct the hair follicle. However, challenging issues still exist with the functionality of cultured human hair cells, the proper selection of nonhair cell sources in cases of shortage of donor hair, and the development of defined culture conditions. Moreover, in the case of in vivo lineage reprogramming, selecting appropriate induction factors and their efficient delivery to guide resident cells into a hair fate-with the aim of reconstructing functional hair-still needs further explorations. In this study, we highlight recent advances and current challenges in hair loss treatment using cell-based approaches and provide novel insights for crucial steps, which must be taken into account to develop reproducible, safe, and efficient cell-based treatment.
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Affiliation(s)
- Parvaneh Mohammadi
- 1 Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology , ACECR, Tehran, Iran .,2 Department of Developmental Biology, University of Science and Culture , Tehran, Iran
| | - Khalil Kass Youssef
- 3 Department of Developmental Neurobiology, Instituto de Neurociencias CSIC-UMH , San Juan de Alicante, Spain
| | - Saeed Abbasalizadeh
- 1 Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology , ACECR, Tehran, Iran
| | - Hossein Baharvand
- 1 Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology , ACECR, Tehran, Iran .,2 Department of Developmental Biology, University of Science and Culture , Tehran, Iran
| | - Nasser Aghdami
- 1 Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology , ACECR, Tehran, Iran
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Circulating MicroRNAs as Potential Biomarkers of Exercise Response. Int J Mol Sci 2016; 17:ijms17101553. [PMID: 27782053 PMCID: PMC5085619 DOI: 10.3390/ijms17101553] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 09/06/2016] [Accepted: 09/06/2016] [Indexed: 02/08/2023] Open
Abstract
Systematic physical activity increases physical fitness and exercise capacity that lead to the improvement of health status and athletic performance. Considerable effort is devoted to identifying new biomarkers capable of evaluating exercise performance capacity and progress in training, early detection of overtraining, and monitoring health-related adaptation changes. Recent advances in OMICS technologies have opened new opportunities in the detection of genetic, epigenetic and transcriptomic biomarkers. Very promising are mainly small non-coding microRNAs (miRNAs). miRNAs post-transcriptionally regulate gene expression by binding to mRNA and causing its degradation or inhibiting translation. A growing body of evidence suggests that miRNAs affect many processes and play a crucial role not only in cell differentiation, proliferation and apoptosis, but also affect extracellular matrix composition and maintaining processes of homeostasis. A number of studies have shown changes in distribution profiles of circulating miRNAs (c-miRNAs) associated with various diseases and disorders as well as in samples taken under physiological conditions such as pregnancy or physical exercise. This overview aims to summarize the current knowledge related to the response of blood c-miRNAs profiles to different modes of exercise and to highlight their potential application as a novel class of biomarkers of physical performance capacity and training adaptation.
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Jiang Z, Tao JH, Zuo T, Li XM, Wang GS, Fang X, Xu XL, Li XP. The correlation between miR-200c and the severity of interstitial lung disease associated with different connective tissue diseases. Scand J Rheumatol 2016; 46:122-129. [PMID: 27309544 DOI: 10.3109/03009742.2016.1167950] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
OBJECTIVES To explore the correlation between microRNA (miR)-200c and the severity of interstitial lung disease (ILD) associated with connective tissue diseases (CTDs). METHOD We recruited 218 patients with CTDs who were evaluated with high-resolution computed tomography (HRCT) and the pulmonary function test (PFT). Peripheral blood mononuclear cells (PBMCs) were acquired from 23 patients with systemic sclerosis (SSc), 29 with dermatomyositis/polymyositis (DM/PM), 30 with primary Sjögren's syndrome (pSS), 47 with rheumatoid arthritis (RA), and 23 normal controls to detect the expression level of miR-200c by quantitative reverse transcription polymerase chain reaction (QRT-PCR). miR-200c levels were compared among the different disease groups, between the group with ILD (CTD+ILD) and the group without ILD (CTD-ILD), and between mild and severe ILD groups. Forced vital capacity (FVC) and forced expiratory volume in 1 s (FEV1) were compared among the different CTD groups and the different CTD+ILD groups. RESULTS The miR-200c level in the SSc group was significantly higher than in the DM/PM, pSS, and RA groups, and the levels in the DM/PM and pSS groups were significantly higher than in the RA group. The level of miR-200c in the CTD+ILD group was significantly higher than in the CTD-ILD group, and the level in the severe ILD group was significantly higher than in the mild ILD group. FVC and FEV1 were significantly different among the different CTD groups, and among the different CTD+ILD groups. There was a negative correlation between the level of miR-200c and FVC and FEV1. CONCLUSIONS The level of miR-200c was positively correlated with the severity of ILD, and miR-200c in PBMCs could be a biomarker of the severity of ILD in CTDs.
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Affiliation(s)
- Z Jiang
- a Department of Rheumatology and Immunology, Affiliated Anhui Provincial Hospital , Anhui Medical University , Hefei , China.,b Department of Rheumatology and Immunology, Affiliated Huai'an First People's Hospital , Nanjing Medical University , Nanjing , China
| | - J-H Tao
- a Department of Rheumatology and Immunology, Affiliated Anhui Provincial Hospital , Anhui Medical University , Hefei , China
| | - T Zuo
- a Department of Rheumatology and Immunology, Affiliated Anhui Provincial Hospital , Anhui Medical University , Hefei , China
| | - X-M Li
- a Department of Rheumatology and Immunology, Affiliated Anhui Provincial Hospital , Anhui Medical University , Hefei , China
| | - G-S Wang
- a Department of Rheumatology and Immunology, Affiliated Anhui Provincial Hospital , Anhui Medical University , Hefei , China
| | - X Fang
- a Department of Rheumatology and Immunology, Affiliated Anhui Provincial Hospital , Anhui Medical University , Hefei , China
| | - X-L Xu
- c Department of Pneumology, Affiliated Anhui Provincial Hospital , Anhui Medical University , Hefei , China
| | - X-P Li
- a Department of Rheumatology and Immunology, Affiliated Anhui Provincial Hospital , Anhui Medical University , Hefei , China
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31
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Ragusa M, Bosco P, Tamburello L, Barbagallo C, Condorelli AG, Tornitore M, Spada RS, Barbagallo D, Scalia M, Elia M, Di Pietro C, Purrello M. miRNAs Plasma Profiles in Vascular Dementia: Biomolecular Data and Biomedical Implications. Front Cell Neurosci 2016; 10:51. [PMID: 26973465 PMCID: PMC4771726 DOI: 10.3389/fncel.2016.00051] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Accepted: 02/15/2016] [Indexed: 11/23/2022] Open
Abstract
Vascular dementia (VaD) is a pathogenetically heterogeneous neuropsychiatric syndrome, mainly characterized by cognitive impairment. Among dementias, it is second by incidence after Alzheimer’s dementia (AD). VaD biomolecular bases have been poorly characterized, but vascular-linked factors affecting the CNS and its functions are generally hypothesized to perform a major role, together with cardiovascular and immunological factors. miRNAs, which perform critically important biomolecular roles within cell networks, are also found in biological fluids as circulating miRNAs (cmiRNAs). We hypothesized that differentially expressed (DE) cmiRNAs in plasma from VaD patients could be applied to diagnose VaD through liquid biopsies; these profiles also could allow to start investigating VaD molecular bases. By exploiting TaqMan Low-Density Arrays and single TaqMan assays, miR-10b*, miR29a-3p, and miR-130b-3p were discovered and validated as significantly downregulated DE cmiRNAs in VaD patients compared to unaffected controls (NCs). These miRNAs also were found to be significantly downregulated in a matched cohort of AD patients, but miR-130b-3p levels were lower in AD than in VaD. A negative correlation was detected between miR-29a and miR-130b expression and cognitive impairment in VaD and AD, respectively. Receiver operating characteristic curves demonstrated that decreased plasma levels of miR-10b*, miR29a-3p, and miR-130b-3p allow to discriminate VaD and AD patients from NCs. Furthermore, the concurrent downregulation of both miR-10b* and miR-130b-3p in VaD showed an area under the curve (AUC) of 0.789 (p < 0.0001) with 75% of sensitivity and 72% of specificity, whereas an AUC of 0.789 (p < 0.0001) with 92% of sensitivity and 81% of specificity was found for both in AD. The miRNAs profiles reported in this paper pave the way to translational applications to molecular VaD diagnosis, but they also should allow to further investigate on its molecular bases.
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Affiliation(s)
- Marco Ragusa
- Section of Biology and Genetics G Sichel, BioMolecular, Genome and Complex Systems BioMedicine Unit (BMGS), Department of BioMedical Sciences and BioTechnology, University of Catania , Catania , Italy
| | - Paolo Bosco
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) per il Ritardo Mentale e l'Involuzione Cerebrale Senile Oasi Maria SS , Troina, Enna , Italy
| | - Lucia Tamburello
- Section of Biology and Genetics G Sichel, BioMolecular, Genome and Complex Systems BioMedicine Unit (BMGS), Department of BioMedical Sciences and BioTechnology, University of Catania , Catania , Italy
| | - Cristina Barbagallo
- Section of Biology and Genetics G Sichel, BioMolecular, Genome and Complex Systems BioMedicine Unit (BMGS), Department of BioMedical Sciences and BioTechnology, University of Catania , Catania , Italy
| | - Angelo G Condorelli
- Section of Biology and Genetics G Sichel, BioMolecular, Genome and Complex Systems BioMedicine Unit (BMGS), Department of BioMedical Sciences and BioTechnology, University of Catania , Catania , Italy
| | - Mariangela Tornitore
- Section of Biology and Genetics G Sichel, BioMolecular, Genome and Complex Systems BioMedicine Unit (BMGS), Department of BioMedical Sciences and BioTechnology, University of Catania , Catania , Italy
| | - Rosario S Spada
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) per il Ritardo Mentale e l'Involuzione Cerebrale Senile Oasi Maria SS , Troina, Enna , Italy
| | - Davide Barbagallo
- Section of Biology and Genetics G Sichel, BioMolecular, Genome and Complex Systems BioMedicine Unit (BMGS), Department of BioMedical Sciences and BioTechnology, University of Catania , Catania , Italy
| | - Marina Scalia
- Section of Biology and Genetics G Sichel, BioMolecular, Genome and Complex Systems BioMedicine Unit (BMGS), Department of BioMedical Sciences and BioTechnology, University of Catania , Catania , Italy
| | - Maurizio Elia
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) per il Ritardo Mentale e l'Involuzione Cerebrale Senile Oasi Maria SS , Troina, Enna , Italy
| | - Cinzia Di Pietro
- Section of Biology and Genetics G Sichel, BioMolecular, Genome and Complex Systems BioMedicine Unit (BMGS), Department of BioMedical Sciences and BioTechnology, University of Catania , Catania , Italy
| | - Michele Purrello
- Section of Biology and Genetics G Sichel, BioMolecular, Genome and Complex Systems BioMedicine Unit (BMGS), Department of BioMedical Sciences and BioTechnology, University of Catania , Catania , Italy
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Li S, Lv X, Zhai K, Xu R, Zhang Y, Zhao S, Qin X, Yin L, Lou J. MicroRNA-7 inhibits neuronal apoptosis in a cellular Parkinson's disease model by targeting Bax and Sirt2. Am J Transl Res 2016; 8:993-1004. [PMID: 27158385 PMCID: PMC4846942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Accepted: 01/08/2016] [Indexed: 06/05/2023]
Abstract
Parkinson's disease (PD) is the second most common age-related neurodegenerative disease. MicroRNA-7 (miR-7) displays neuroprotective properties against PD. However, the biological roles of miR-7 and its underlying molecular mechanisms in PD remain unclear. We demonstrated herein that 1-methyl-4-phenylpyridinium ion (MPP(+)) confers toxic effects on dopaminergic neuron in a dose-dependent manner in a cellular PD model, although this phenomenon is attenuated by miR-7 treatment. Introduction of miR-7 inhibits MPP(+)-induced neuronal apoptosis as reflected by the reduced terminal transferase-mediated dUTP nick end labeling-positive rate, mitochondrial permeability potential, caspase 3 activity, and nucleosomal enrichment factor. Bax and sirtuin 2 (Sirt2) are the direct targets of miR-7. Moreover, the effects of miR-7 were counteracted by Bax and Sirt2 overexpression, respectively. The altered molecular expressions downstream of Bax and Sirt2 are also involved in miR-7 regulation of the MPP(+)-triggered neuronal apoptosis. These findings have implications on the potential application of miR-7 in PD treatment.
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Affiliation(s)
- Shize Li
- Department of Neurology, The Second Affiliated Hospital of Zhengzhou UniversityZhengzhou 450014, China
| | - Xuecheng Lv
- Department of Pharmacy, The First People’s Hospital of Shangqiu476100, Henan, China
| | - Kaihua Zhai
- Department of Neurology, The Second Affiliated Hospital of Zhengzhou UniversityZhengzhou 450014, China
| | - Ruyan Xu
- Department of Neurology, Zhengzhou Central Hospital Affiliated to Zhengzhou UniversityZhengzhou 450007, China
| | - Yong Zhang
- Department of Neurology, Zhengzhou Central Hospital Affiliated to Zhengzhou UniversityZhengzhou 450007, China
| | - Songyao Zhao
- Department of Neurology, Zhengzhou Central Hospital Affiliated to Zhengzhou UniversityZhengzhou 450007, China
| | - Xiaoming Qin
- Department of Neurology, Zhengzhou Central Hospital Affiliated to Zhengzhou UniversityZhengzhou 450007, China
| | - Liujie Yin
- Department of Neurology, Zhengzhou Central Hospital Affiliated to Zhengzhou UniversityZhengzhou 450007, China
| | - Jiyu Lou
- Department of Neurology, The Second Affiliated Hospital of Zhengzhou UniversityZhengzhou 450014, China
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Song MF, Dong JZ, Wang YW, He J, Ju X, Zhang L, Zhang YH, Shi JF, Lv YY. CSF miR-16 is decreased in major depression patients and its neutralization in rats induces depression-like behaviors via a serotonin transmitter system. J Affect Disord 2015; 178:25-31. [PMID: 25779937 DOI: 10.1016/j.jad.2015.02.022] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 01/30/2015] [Accepted: 02/19/2015] [Indexed: 01/16/2023]
Abstract
BACKGROUND Animal and cell line studies demonstrated that miR-16 may be associated with major depressive disorder (MDD) via regulation of the expression of serotonin transporter (SERT) gene. However, human studies about miR-16 of patients with MDD are still lacking. The aim of this study was to investigate the possible involvement of miR-16 in the mechanism of MDD in humans. METHODS Thirty-six drug-free patients with MDD and 30 healthy controls aged between 18 and 45 years old were recruited. 24-item Hamilton depression scale test was performed for each subject. MiR-16 in cerebrospinal fluid (CSF) and blood, as well as serotonin in CSF were assayed by the qRT-PCR or ELISA method. To confirm the role of CSF miR-16 in MDD, animal study about intracerebroventricular injection of anti-miR-16 was also performed. Depression-like behaviors, CSF miR-16 and serotonin, blood miR-16, and raphe SERT protein of rats were also tested. RESULTS CSF miR-16 in MDD patients was significantly lower than that in controls. It was negatively correlated with Hamilton scores and positively associated with CSF serotonin. However, blood miR-16 was not significantly different between two groups and it was not statistically correlated with CSF miR-16. In animal study, anti-miR-16-treated rats were evaluated to exhibit depression-like behaviors, extremely lower CSF miR-16, significantly higher CSF serotonin, and obviously higher raphe SERT protein than control rats. LIMITATION We did not detect SERT protein in human brain due to the impossibility of sample collection. CONCLUSION Our study suggested that CSF miR-16 participated in the physiopathology of MDD via the modulation of serotonin transmitter system in brain.
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Affiliation(s)
- Ming-Fen Song
- Molecular Biology Laboratory, Hangzhou Seventh People's Hospital, 305 Tianmushan Road, Hangzhou 310013, Zhejiang, China
| | - Jie-Zheng Dong
- Department of Psychiatry, Hangzhou Seventh People's Hospital, 305 Tianmushan Road, Hangzhou 310013, Zhejiang, China
| | - Yu-Wen Wang
- Department of Pharmacy, Hangzhou Seventh People's Hospital, 305 Tianmushan Road, Hangzhou 310013, Zhejiang, China
| | - Jun He
- Department of Pharmacy, Hangzhou Seventh People's Hospital, 305 Tianmushan Road, Hangzhou 310013, Zhejiang, China
| | - Xuan Ju
- Department of Psychiatry, Hangzhou Seventh People's Hospital, 305 Tianmushan Road, Hangzhou 310013, Zhejiang, China
| | - Long Zhang
- Molecular Biology Laboratory, Hangzhou Seventh People's Hospital, 305 Tianmushan Road, Hangzhou 310013, Zhejiang, China
| | - Yong-Hua Zhang
- Department of Psychiatry, Hangzhou Seventh People's Hospital, 305 Tianmushan Road, Hangzhou 310013, Zhejiang, China
| | - Jian-Fei Shi
- Department of Psychiatry, Hangzhou Seventh People's Hospital, 305 Tianmushan Road, Hangzhou 310013, Zhejiang, China
| | - Ya-Ying Lv
- Department of Human Resources, Hangzhou Seventh People's Hospital, 305 Tianmushan Road, Hangzhou 310013, Zhejiang, China.
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Porto IO, Mendes-Junior CT, Felício LP, Georg RC, Moreau P, Donadi EA, Chies JAB, Castelli EC. microRNAs targeting the immunomodulatory HLA-G gene: A new survey searching for microRNAs with potential to regulate HLA-G. Mol Immunol 2015; 65:230-41. [DOI: 10.1016/j.molimm.2015.01.030] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Revised: 01/29/2015] [Accepted: 01/30/2015] [Indexed: 12/21/2022]
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Epigenetic control of autoimmune diseases: From bench to bedside. Clin Immunol 2015; 157:1-15. [DOI: 10.1016/j.clim.2014.12.013] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 11/17/2014] [Accepted: 12/18/2014] [Indexed: 01/10/2023]
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Braoudaki M, Lambrou GI. MicroRNAs in pediatric central nervous system embryonal neoplasms: the known unknown. J Hematol Oncol 2015; 8:6. [PMID: 25652781 PMCID: PMC4333163 DOI: 10.1186/s13045-014-0101-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2014] [Accepted: 12/27/2014] [Indexed: 12/16/2022] Open
Abstract
MicroRNAs (miRNAs) are endogenous short non-coding RNAs that repress post-transcriptional regulation of gene expression, while embryonal central nervous system tumors are the foremost cause of mortality in children suffering from a neoplasm. MiRNAs and their regulatory mechanisms are new to understand, while pediatric CNS tumors are difficult to comprehend. Therefore, identification of the link between them composes a major scientific challenge. The present study, reviewed the current knowledge on the role of miRNA in pediatric CNS embryonal tumors, attempting to collect the existing information in one piece of work that could ideally be used as a guide for future reference and research.
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Affiliation(s)
- Maria Braoudaki
- First Department of Pediatrics, University of Athens, Choremeio Research Laboratory, Athens, Greece. .,University Research Institute for the Study and Treatment of Childhood Genetic and Malignant Diseases, University of Athens, Aghia Sophia Children's Hospital, Athens, Greece.
| | - George I Lambrou
- First Department of Pediatrics, University of Athens, Choremeio Research Laboratory, Athens, Greece.
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Zare M, Soleimani M, Akbarzadeh A, Bakhshandeh B, Aghaee-Bakhtiari SH, Zarghami N. A Novel Protocol to Differentiate Induced Pluripotent Stem Cells by Neuronal microRNAs to Provide a Suitable Cellular Model. Chem Biol Drug Des 2015; 86:232-8. [DOI: 10.1111/cbdd.12485] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2014] [Revised: 11/15/2014] [Accepted: 11/17/2014] [Indexed: 12/15/2022]
Affiliation(s)
- Mehrak Zare
- Department of Cellular Biology; Stem Cell Technology Research Center; Tehran Iran
- Neurosciences Research Center; Tabriz University of Medical Sciences; Tabriz Iran
| | - Masoud Soleimani
- Department of Haematology; School of Medicine; Tarbiat Modares University; Tehran Iran
| | - Abolfazl Akbarzadeh
- Department of Medical Nanotechnology; Faculty of Advanced Medical Science; Tabriz University of Medical Sciences; Tabriz Iran
| | - Behnaz Bakhshandeh
- Department of Biotechnology; College of Science; University of Tehran; Tehran Iran
| | | | - Nosratollah Zarghami
- Department of Clinical Biochemistry and Laboratory; Faculty of Medicine; Tabriz University of Medical Sciences; Tabriz Iran
- Department of Clinical Biochemistry; Radiopharmacy Lab; Drug Applied Research Center; Tabriz University of Medical Sciences; Tabriz Iran
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Lee HK, Finniss S, Cazacu S, Xiang C, Brodie C. Mesenchymal stem cells deliver exogenous miRNAs to neural cells and induce their differentiation and glutamate transporter expression. Stem Cells Dev 2014; 23:2851-61. [PMID: 25036385 DOI: 10.1089/scd.2014.0146] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
MicroRNAs (miRNAs) are potential therapeutic targets in a variety of pathological conditions in the brain; however, their clinical application is hampered by lack of efficient delivery modes. Mesenchymal stromal stem cells (MSCs) migrate to sites of injury and inflammation and exert therapeutic effects in various neurological disorders. Here, we examined the ability of MSCs to deliver exogenous miRNA mimics and pre-miRNAs to human neural progenitor cells (NPCs) and astrocytes and characterized the functional impact of this delivery. We found that MSCs efficiently delivered fluorescent-labeled miR-124 and miR-145 mimics to cocultured NPCs and astrocytes. We further demonstrated the delivery of the miRNAs using novel reporter plasmids that contain a sequence complementary to miR-124 or miR-145 downstream of luciferase or mCherry. Binding of the specific miRNAs to these sequences results in decreased luciferase activity or mCherry fluorescence and therefore enable analysis of miRNA delivery in living cells. The delivered exogenous miR-124 significantly decreased the expression of the target gene Sox9 by targeting its 3'-UTR, and increased the neuronal differentiation of the NPCs. In addition, the delivered miR-124 increased the expression of the glutamate transporters, EAAT1 in NPCs and EAAT2 in both NPCs and astrocytes. Similar results were obtained with MSCs transfected with pre-miR-124. The miRNA delivery was mediated by MSC-derived exosomes and was cell contact independent. These results suggest that MSCs can functionally deliver exogenous miRNAs to neural cells and provide an efficient route of therapeutic miRNA delivery to the brain in pathological conditions with clinical implications for regenerative medicine.
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Affiliation(s)
- Hae Kyung Lee
- 1 Davidson Laboratory of Cell Signaling and Tumorigenesis, Department of Neurosurgery, Hermelin Brain Tumor Center , Henry Ford Hospital, Detroit, Michigan
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Ni FF, Li CR, Li Q, Xia Y, Wang GB, Yang J. Regulatory T cell microRNA expression changes in children with acute Kawasaki disease. Clin Exp Immunol 2014; 178:384-93. [PMID: 25039241 DOI: 10.1111/cei.12418] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/07/2014] [Indexed: 12/22/2022] Open
Abstract
Kawasaki disease (KD) is a type of systemic vasculitis syndrome related to immune dysfunction. Previous studies have implicated that dysfunctional regulatory T cells (Treg ) may be associated with the immune dysfunction in KD. In the absence of microRNAs (miRNAs), forkhead box protein 3 (FoxP3)(+) Treg develop but fail to maintain immune homeostasis. This study was designed to investigate the effects of miR-155, miR-21 and miR-31 on Treg in children with KD. The proportions of CD4(+) CD25(+) FoxP3(+) Treg and the mean fluorescence intensity (MFI) of phosphorylated-signal transducer and activator of transcription (pSTAT)-5 and pSTAT-3 protein in CD4(+) CD25(+) Treg were analysed by flow cytometry. The concentration of interleukin (IL)-6 in plasma was measured by cytometric bead array. Real-time polymerase chain reaction was performed to detect the levels of microRNAs and associated factors in CD4(+) CD25(+) Treg . The proportion of Treg and the mRNA levels of the associated factors [FoxP3, glucocorticoid-induced tumour necrosis factor-receptor (GITR), cytotoxic T lymphocyte antigen (CTLA)-4)] were significantly lower in KD patients (P < 0·05). MiR-155 and miR-21 levels were significantly down-regulated and miR-31 expression was higher in KD patients (P < 0·05). Plasma interleukin (IL)-6 concentrations, pSTAT-3 protein levels and suppressors of cytokine signalling (SOCS)-1 mRNA expression were remarkably elevated in acute KD (P < 0·05), while pSTAT-5 protein levels were remarkably decreased in acute KD (P < 0·05). These findings were reversed after intravenous immunoglobulin treatment (P < 0·05). Our results demonstrate that FoxP3 mRNA levels were primarily affected by the miR-155/SOCS1 and the miR-31 signalling pathways. These results suggest that the decrease in FoxP3(+) Treg might be associated with decreased expression of miR-155, leading to aberrant SOCS1/STAT-5 signalling and overexpression of miR-31 in patients with acute KD.
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Affiliation(s)
- F-F Ni
- Shenzhen Institute of Pediatrics Affiliated Shenzhen Children's Hospital, Chongqing Medical University, Shenzhen, China
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Kanwal Z, Wiegertjes GF, Veneman WJ, Meijer AH, Spaink HP. Comparative studies of Toll-like receptor signalling using zebrafish. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2014; 46:35-52. [PMID: 24560981 DOI: 10.1016/j.dci.2014.02.003] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Revised: 02/04/2014] [Accepted: 02/06/2014] [Indexed: 06/03/2023]
Abstract
Zebrafish model systems for infectious disease are increasingly used for the functional analysis of molecular pattern recognition processes. These studies benefit from the high conservation level of all innate immune factors in vertebrates. Zebrafish studies are strategically well positioned for this because of the ease of comparisons with studies in other fish species of which the immune system also has been intensively studied, but that are currently still less amendable to detailed genetic or microscopic studies. In this paper we focus on Toll-like receptor (TLR) signalling factors, which currently are the best characterized in mammalian systems. We review the knowledge on TLR signalling in the context of recent advances in zebrafish studies and discuss possibilities for future approaches that can complement studies in cell cultures and rodent models. A focus in these comparisons is the role of negative control mechanisms in immune responses that appear very important in a whole organism to keep adverse systemic responses in check. We also pay much attention to comparisons with studies in common carp that is highly related to zebrafish and that because of its large body mass can complement immune studies in zebrafish.
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Affiliation(s)
- Zakia Kanwal
- Department of Animal Sciences and Health, Institute of Biology, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Geert F Wiegertjes
- Cell Biology and Immunology Group, Wageningen Institute of Animal Sciences, Wageningen University, PO Box 338, 6700 AH Wageningen, The Netherlands
| | - Wouter J Veneman
- Department of Animal Sciences and Health, Institute of Biology, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Annemarie H Meijer
- Department of Animal Sciences and Health, Institute of Biology, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Herman P Spaink
- Department of Animal Sciences and Health, Institute of Biology, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands.
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Early microRNA expression profile as a prognostic biomarker for the development of pelvic inflammatory disease in a mouse model of chlamydial genital infection. mBio 2014; 5:e01241-14. [PMID: 24961692 PMCID: PMC4073489 DOI: 10.1128/mbio.01241-14] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
UNLABELLED It is not currently possible to predict the probability of whether a woman with a chlamydial genital infection will develop pelvic inflammatory disease (PID). To determine if specific biomarkers may be associated with distinct chlamydial pathotypes, we utilized two Chlamydia muridarum variants (C. muridarum Var001 [CmVar001] and CmVar004) that differ in their abilities to elicit upper genital tract pathology in a mouse model. CmVar004 has a lower growth rate in vitro and induces pathology in only 20% of C57BL/6 mouse oviducts versus 83.3% of oviducts in CmVar001-infected mice. To determine if chemokine and cytokine production within 24 h of infection is associated with the outcome of pathology, levels of 15 chemokines and cytokines were measured. CmVar004 infection induced significantly lower levels of CXCL1, CXCL2, tumor necrosis factor alpha (TNF-α), and CCL2 in comparison to CmVar001 infection with similar rRNA (rs16) levels for Chlamydiae. A combination of microRNA (miRNA) sequencing and quantitative real-time PCR (qRT-PCR) analysis of 134 inflammation-related miRNAs was performed 24 h postinfection to determine if the chemokine/cytokine responses would also be reflected in miRNA expression profiles. Interestingly, 12 miRNAs (miR-135a-5p, miR298-5p, miR142-3p, miR223-3p, miR299a-3p, miR147-3p, miR105, miR325-3p, miR132-3p, miR142-5p, miR155-5p, and miR-410-3p) were overexpressed during CmVar004 infection compared to CmVar001 infection, inversely correlating with the respective chemokine/cytokine responses. To our knowledge, this is the first report demonstrating that early biomarkers elicited in the host can differentiate between two pathological variants of chlamydiae and be predictive of upper tract disease. IMPORTANCE It is apparent that an infecting chlamydial population consists of multiple genetic variants with differing capabilities of eliciting a pathological response; thus, it may be possible to identify biomarkers specific for a given virulence pathotype. miRNAs are known to regulate genes that in turn regulate signaling pathways involved in disease pathogenesis. Importantly, miRNAs are stable and can reflect a tissue response and therefore have the potential to be biomarkers of disease severity. Currently, with respect to chlamydial infections, there is no way to predict whether an infected patient is more or less likely to develop PID. However, data presented in this study indicate that the expression of a specific miRNA profile associated with a virulent variant early in the infection course may be predictive of an increased risk of pelvic inflammatory disease, allowing more aggressive treatment before significant pathology develops.
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Abstract
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease, characterized by the production of autoantibodies against multiple organs. MicroRNAs (miRNAs) are non-coding, single-stranded small RNAs that post-transcriptionally regulate gene expression. Evidence is accumulating that miRNAs play a pivotal role in the pathogenesis of SLE. This article reviews the pertinent publications (searched from the PubMed database) involving the mechanisms of actions of miRNA associated with the pathogenesis of SLE. The search of related literature was extended as far back as 1979. In this mini-review we first introduce the miRNAs briefly and later discuss their regulatory roles in the DNA methylation pathway, type I interferon pathway, estrogen and regulatory T-cells in the pathogenesis of SLE.
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Affiliation(s)
- Xiaochun Ma
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Medical Genetics, Shandong University School of Medicine, Jinan, Shandong, China
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Xu L, Yang BF, Ai J. MicroRNA transport: a new way in cell communication. J Cell Physiol 2013; 228:1713-9. [PMID: 23460497 DOI: 10.1002/jcp.24344] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Accepted: 02/04/2013] [Indexed: 12/22/2022]
Abstract
MicroRNAs (miRNAs) can efficiently regulate gene expression by targeting mRNA to cause mRNA cleavage or translational repression. Growing evidence indicates that miRNAs exist not only in cells but also in a variety of body fluids, which stimulates substantial interest in the transport mechanism and regulating process of extracellular miRNAs. This article reviews the basic biogenesis of miRNAs in detail to explore the origin of extracellular miRNAs. Different miRNA transporters have been summarized (e.g., exosomes, microvesicles, apoptosis bodies, and RNA-binding proteins). In addition, we discuss the regulators affecting miRNA transport (e.g., ATP and ceramide) and the selection mechanism for different miRNA transporters. Studies about miRNA transporters and the transport mechanism are new and developing. With the progress of the research, new functions of extracellular miRNAs may be uncovered in the future.
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Affiliation(s)
- Ling Xu
- Department of Pharmacology, Harbin Medical University (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), Harbin, Heilongjiang Province, China
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Bicchi I, Morena F, Montesano S, Polidoro M, Martino S. MicroRNAs and Molecular Mechanisms of Neurodegeneration. Genes (Basel) 2013; 4:244-63. [PMID: 24705162 PMCID: PMC3899972 DOI: 10.3390/genes4020244] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2013] [Revised: 05/09/2013] [Accepted: 05/10/2013] [Indexed: 12/21/2022] Open
Abstract
During the last few years microRNAs (miRNAs) have emerged as key mediators of post-transcriptional and epigenetic regulation of gene expression. MiRNAs targets, identified through gene expression profiling and studies in animal models, depict a scenario where miRNAs are fine-tuning metabolic pathways and genetic networks in both plants and animals. MiRNAs have shown to be differentially expressed in brain areas and alterations of miRNAs homeostasis have been recently correlated to pathological conditions of the nervous system, such as cancer and neurodegeneration. Here, we review and discuss the most recent insights into the involvement of miRNAs in the neurodegenerative mechanisms and their correlation with significant neurodegenerative disorders.
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Affiliation(s)
- Ilaria Bicchi
- Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Via del Giochetto, 06126 Perugia, Italy.
| | - Francesco Morena
- Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Via del Giochetto, 06126 Perugia, Italy.
| | - Simona Montesano
- Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Via del Giochetto, 06126 Perugia, Italy.
| | - Mario Polidoro
- Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Via del Giochetto, 06126 Perugia, Italy.
| | - Sabata Martino
- Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Via del Giochetto, 06126 Perugia, Italy.
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Machida A, Ohkubo T, Yokota T. Circulating microRNAs in the cerebrospinal fluid of patients with brain diseases. Methods Mol Biol 2013; 1024:203-209. [PMID: 23719953 DOI: 10.1007/978-1-62703-453-1_16] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
MicroRNAs (miRNAs) are small, noncoding regulatory RNAs that regulate gene expression at the -posttranscriptional level. Although circulating miRNAs in human body fluids have recently been recognized as disease biomarkers, especially in the field of oncology, little is known about the miRNAs in cerebrospinal fluid (CSF). This chapter describes the feasibility of miRNAs in CSF as biomarkers for the diagnosis of brain diseases and the methods of miRNA isolation from CSF.
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Affiliation(s)
- Akira Machida
- Department of Neurology and Neurological Science, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
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Carta MG, Angst J, Moro MF, Mura G, Hardoy MC, Balestrieri C, Chessa L, Serra G, Lai ME, Farci P. Association of chronic hepatitis C with recurrent brief depression. J Affect Disord 2012; 141:361-6. [PMID: 22609196 DOI: 10.1016/j.jad.2012.03.020] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2012] [Revised: 03/12/2012] [Accepted: 03/12/2012] [Indexed: 12/21/2022]
Abstract
BACKGROUND Depressive syndromes, including recurrent brief depression (RBD), have frequently been observed in association with chronic diseases characterized by immune activation, such as autoimmune thyroiditis or celiac disease. However, the association of RBD with chronic hepatitis C (CHC), a disease with an increased incidence of major depressive disorders, is unknown. CASES 135 (83 males, 52 females) consecutive treatment-naïve patients with CHC. EXCLUSION CRITERIA previous treatment with IFN-alpha, co-infection with hepatitis C virus (HCV) and hepatitis B virus, infection with human immunodeficiency virus (HIV), drug or alcohol abuse, or malignancy. CONTROLS 540 (332 males, 208 females) subjects without evidence of hepatitis, randomly extracted from the database of a previous epidemiological study. The psychiatric diagnosis was based on the Composite International Diagnostic Interview Simplified (CIDI-S), containing a specific section on RBD. RESULTS A significantly higher rate of RBD was observed among both male and female patients with CHC (n=21, 15.5%) as compared to controls (n=34, 6.3%) (OR=2.6, CI 95% from 1.37 to 4.93). CONCLUSION The present study provides the first evidence of an association between CHC and RBD, independent of treatment with IFN-alpha and not influenced by substance or alcohol abuse. The results are similar to those found in other conditions with immune activation. RBD may be another expression of mood disorders in such conditions.
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Affiliation(s)
- Mauro G Carta
- Department of Public Health, University of Cagliari, Italy.
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Circulating miR-30a, miR-195 and let-7b associated with acute myocardial infarction. PLoS One 2012; 7:e50926. [PMID: 23236408 PMCID: PMC3517576 DOI: 10.1371/journal.pone.0050926] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Accepted: 10/25/2012] [Indexed: 01/28/2023] Open
Abstract
Background MicroRNAs (miRNAs) play key roles in diverse biological and pathological processes, including the regulation of proliferation, apoptosis, angiogenesis and cellular differentiation. Recently, circulating miRNAs have been reported as potential biomarkers for various pathologic conditions. This study investigated miR-30a, miR-195 and let-7b as potential of biomarker for acute myocardial infarction (AMI). Methods and Results Plasma samples from 18 patients with AMI and 30 healthy adults were collected. Total RNA was extracted from plasma with TRIzol LS Reagent. MiRNA levels and plasma cardiac troponin I (cTnI) concentrations were measured by quantitative real-time PCR and ELISA assay, respectively. Results showed that circulating miR-30a in AMI patients was highly expressed at 4 h, 8 h and 12 h after onset of AMI, and miR-195 was highly expressed at 8 h and 12 h. However, let-7b was lower in AMI patients than in controls throughout the whole time points. Interestingly, in these patients, circulating miR-30a, miR-195 and let-7b all reached their expression peak at 8 h. By the receiver operating characteristic (ROC) curve analyses, these plasma miRNAs were of significant diagnostic value for AMI. The combined ROC analysis revealed the an AUC value of 0.93 with 94% sensitivity and 90% specificity at 8 h after onset, and an AUC value of 0.92 with 90% sensitivity and 90% specificity at 12 h after onset, in discriminating the AMI patients from healthy controls. Conclusions Our results imply that the plasma concentration of miR-30a, miR-195 and let-7b can be potential indicators for AMI.
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Clark PM, Dawany N, Dampier W, Byers SW, Pestell RG, Tozeren A. Bioinformatics analysis reveals transcriptome and microRNA signatures and drug repositioning targets for IBD and other autoimmune diseases. Inflamm Bowel Dis 2012; 18:2315-33. [PMID: 22488912 DOI: 10.1002/ibd.22958] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2012] [Accepted: 02/27/2012] [Indexed: 12/13/2022]
Abstract
BACKGROUND Inflammatory bowel disease (IBD) is a complex disorder involving pathogen infection, host immune response, and altered enterocyte physiology. Incidences of IBD are increasing at an alarming rate in developed countries, warranting a detailed molecular portrait of IBD. METHODS We used large-scale data, bioinformatics tools, and high-throughput computations to obtain gene and microRNA signatures for Crohn's disease (CD) and ulcerative colitis (UC). These signatures were then integrated with systemic literature review to draw a comprehensive portrait of IBD in relation to autoimmune diseases. RESULTS The top upregulated genes in IBD are associated with diabetogenesis (REG1A, REG1B), bacterial signals (TLRs, NLRs), innate immunity (DEFA6, IDO1, EXOSC1), inflammation (CXCLs), and matrix degradation (MMPs). The downregulated genes coded tight junction proteins (CLDN8), solute transporters (SLCs), and adhesion proteins. Genes highly expressed in UC compared to CD included antiinflammatory ANXA1, transporter ABCA12, T-cell activator HSH2D, and immunoglobulin IGHV4-34. Compromised metabolisms for processing of drugs, nitrogen, androgen and estrogen, and lipids in IBD correlated with an increase in specific microRNA. Highly expressed IBD genes constituted targets of drugs used in gastrointestinal cancers, viral infections, and autoimmunity disorders such as rheumatoid arthritis and asthma. CONCLUSIONS This study presents a clinically relevant gene-level portrait of IBD subtypes and their connectivity to autoimmune diseases. The study identified candidates for repositioning of existing drugs to manage IBD. Integration of mice and human data point to an altered B-cell response as a cause for upregulation of genes in IBD involved in other aspects of immune defense such as interferon-inducible responses.
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Affiliation(s)
- Peter M Clark
- Center for Integrated Bioinformatics, Drexel University, Philadelphia, Pennsylvania 19104, USA
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Zoccolella S, Vecchio E, Direnzo V, Luciannatelli E, Brancasi B, Bellomo R, Liguori M, Tortorella C. Concomitant myotonic dystrophy type 1, CIDP-like neuropathy and Hashimoto thyroiditis: a causal link? Eur J Neurol 2012; 19:e117-8. [DOI: 10.1111/j.1468-1331.2012.03820.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- S. Zoccolella
- Department of Neurosciences and Organs of Sense; University of Bari; Bari Italy
| | - E. Vecchio
- Department of Neurosciences and Organs of Sense; University of Bari; Bari Italy
| | - V. Direnzo
- Department of Neurosciences and Organs of Sense; University of Bari; Bari Italy
| | - E. Luciannatelli
- Department of Neurosciences and Organs of Sense; University of Bari; Bari Italy
| | - B. Brancasi
- Department of Neurosciences and Organs of Sense; University of Bari; Bari Italy
| | - R. Bellomo
- Department of Neurosciences and Organs of Sense; University of Bari; Bari Italy
| | - M. Liguori
- National Research Council; Institute of Neurological Sciences; Mangone Italy
| | - C. Tortorella
- Department of Neurosciences and Organs of Sense; University of Bari; Bari Italy
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Jobe EM, McQuate AL, Zhao X. Crosstalk among Epigenetic Pathways Regulates Neurogenesis. Front Neurosci 2012; 6:59. [PMID: 22586361 PMCID: PMC3347638 DOI: 10.3389/fnins.2012.00059] [Citation(s) in RCA: 89] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Accepted: 04/04/2012] [Indexed: 12/20/2022] Open
Abstract
The process of neurogenesis includes neural stem cell proliferation, fate specification, young neuron migration, neuronal maturation, and functional integration into existing circuits. Although neurogenesis occurs largely during embryonic development, low levels but functionally important neurogenesis persists in restricted regions of the postnatal brain, including the subgranular zone of the dentate gyrus in the hippocampus and the subventricular zone of the lateral ventricles. This review will cover both embryonic and adult neurogenesis with an emphasis on the latter. Of the many endogenous mediators of postnatal neurogenesis, epigenetic pathways, such as mediators of DNA methylation, chromatin remodeling systems, and non-coding RNA modulators, appear to play an integral role. Mounting evidence shows that such epigenetic factors form regulatory networks, which govern each step of postnatal neurogenesis. In this review, we explore the emerging roles of epigenetic mechanisms particularly microRNAs, element-1 silencing transcription factor/neuron-restrictive silencing factor (REST/NRSF), polycomb proteins, and methyl-CpG bindings proteins, in regulating the entire process of postnatal and adult neurogenesis. We further summarize recent data regarding how the crosstalk among these different epigenetic proteins forms the critical regulatory network that regulates neuronal development. We finally discuss how crosstalk between these pathways may serve to translate environmental cues into control of the neurogenic process.
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Affiliation(s)
- Emily M Jobe
- Cellular and Molecular Biology Graduate Program, University of Wisconsin-Madison Madison, WI, USA
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