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Liu L, Li TM, Liu XR, Bai YP, Li J, Tang N, Wang XB. MicroRNA-140 inhibits skeletal muscle glycolysis and atrophy in endotoxin-induced sepsis in mice via the WNT signaling pathway. Am J Physiol Cell Physiol 2019; 317:C189-C199. [PMID: 31042421 DOI: 10.1152/ajpcell.00419.2018] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Sepsis is a systemic inflammatory response syndrome resulting from infection. This study aimed at exploring the role of microRNA-140 (miR-140) in septic mice. Wnt family member 11 (WNT11) was verified to be a target gene of miR-140 after bioinformatic prediction and dual luciferase reporter gene assay. Importantly, miR-140 negatively regulated WNT11. We initially induced the model of sepsis by endotoxin, and then ectopic expression and knockdown experiments were performed to explore the functional role of miR-140 in sepsis. Additionally, cross-sectional areas of muscle fiber, lactic acid production, 3-methylhistidine (3-MH) and tyrosine (Tyr) production in extensor digitorium longus (EDL) muscles, and serum levels of inflammatory factors were examined. The effect of miR-140 on the expression of WNT signaling pathway-related and apoptosis-related factors in skeletal muscle tissue was determined. The experimental results indicated that upregulated miR-140 or silenced WNT11 increased cross-sectional areas of muscle fiber while decreasing lactic acid production, skeletal muscle cell apoptosis [corresponding to downregulated B cell lymphoma 2 (Bcl-2)-associated X protein (Bax) and caspase-3 and upregulated Bcl-2], and the proteolytic rate of Tyr and 3-MH. Also, overexpressed miR-140 or silenced WNT11 reduced inflammation as reflected by decreased serum levels of IL-6, IL-10, and TNF-α. Furthermore, overexpression of miR-140 was shown to suppress the activation of the WNT signaling pathway, accompanied by decreased expression of WNT11, β-catenin, and GSK-3β. Taken together, upregulation of miR-140 could potentially inhibit skeletal muscle lactate release, an indirect measure of glycolysis, and atrophy in septic mice through suppressing the WNT signaling pathway via inhibiting WNT11 expression.
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Affiliation(s)
- Li Liu
- Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Tian-Mei Li
- Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Xue-Ru Liu
- Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Yi-Ping Bai
- Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Jie Li
- Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Ni Tang
- Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Xiao-Bin Wang
- Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
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The effects of tracheal occlusion on Wnt signaling in a rabbit model of congenital diaphragmatic hernia. J Pediatr Surg 2019; 54:937-944. [PMID: 30792093 DOI: 10.1016/j.jpedsurg.2019.01.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 01/27/2019] [Indexed: 12/22/2022]
Abstract
PURPOSE Tracheal occlusion (TO) reverses pulmonary hypoplasia (PH) in congenital diaphragmatic hernia (CDH), but its mechanism of action remains poorly understood. Wnt signaling plays a critical role in lung development, but few studies exist. The purpose of our study was to a) confirm that our CDH rabbit model produced PH which was reversed by TO and b) determine the effects of CDH +/- TO on Wnt signaling. METHODS CDH was created in fetal rabbits at 23 days, TO at 28 days, and lung collection at 31 days. Lung body weight ratio (LBWR) and mean terminal bronchiole density (MTBD) were determined. mRNA and miRNA expression was determined in the left lower lobe using RT-qPCR. RESULTS Fifteen CDH, 15 CDH + TO, 6 sham CDH, and 15 controls survived and were included in the study. LBWR was low in CDH, while CDH + TO was similar to controls (p = 0.003). MTBD was higher in CDH fetuses and restored to control levels in CDH + TO (p < 0.001). Reference genes TOP1, SDHA, and ACTB were consistently expressed within and between treatment groups. miR-33 and MKI67 were increased, and Lgl1 was decreased in CDH + TO. CONCLUSION TO reversed pulmonary hypoplasia and stimulated early Wnt signaling in CDH fetal rabbits. TYPE OF STUDY Basic science, prospective. LEVEL OF EVIDENCE II.
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Li X, Jiang P, Yu H, Yang Y, Xia L, Yang R, Fang X, Zhao Z. miR-21-3p TargetsElovl5and Regulates Triglyceride Production in Mammary Epithelial Cells of Cow. DNA Cell Biol 2019; 38:352-357. [DOI: 10.1089/dna.2018.4409] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Xiaohui Li
- Department of Animal Science, Jilin University, Changchun, Jilin, P.R. China
| | - Ping Jiang
- Department of Animal Science, Jilin University, Changchun, Jilin, P.R. China
| | - Haibin Yu
- Department of Animal Science, Jilin University, Changchun, Jilin, P.R. China
| | - Yuwei Yang
- Department of Animal Science, Jilin University, Changchun, Jilin, P.R. China
| | - Lixin Xia
- Department of Animal Science, Jilin University, Changchun, Jilin, P.R. China
| | - Runjun Yang
- Department of Animal Science, Jilin University, Changchun, Jilin, P.R. China
| | - Xibi Fang
- Department of Animal Science, Jilin University, Changchun, Jilin, P.R. China
| | - Zhihui Zhao
- Department of Animal Science, Jilin University, Changchun, Jilin, P.R. China
- Department of Animal Science, Guangdong Ocean University, Zhanjiang, P.R. China
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Sampilo NF, Stepicheva NA, Zaidi SAM, Wang L, Wu W, Wikramanayake A, Song JL. Inhibition of microRNA suppression of Dishevelled results in Wnt pathway-associated developmental defects in sea urchin. Development 2018; 145:dev167130. [PMID: 30389855 PMCID: PMC6288383 DOI: 10.1242/dev.167130] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 10/29/2018] [Indexed: 11/20/2022]
Abstract
MicroRNAs (miRNAs) are highly conserved, small non-coding RNAs that regulate gene expressions by binding to the 3' untranslated region of target mRNAs thereby silencing translation. Some miRNAs are key regulators of the Wnt signaling pathways, which impact developmental processes. This study investigates miRNA regulation of different isoforms of Dishevelled (Dvl/Dsh), which encode a key component in the Wnt signaling pathway. The sea urchin Dvl mRNA isoforms have similar spatial distribution in early development, but one isoform is distinctively expressed in the larval ciliary band. We demonstrated that Dvl isoforms are directly suppressed by miRNAs. By blocking miRNA suppression of Dvl isoforms, we observed dose-dependent defects in spicule length, patterning of the primary mesenchyme cells, gut morphology, and cilia. These defects likely result from increased Dvl protein levels, leading to perturbation of Wnt-dependent signaling pathways and additional Dvl-mediated processes. We further demonstrated that overexpression of Dvl isoforms recapitulated some of the Dvl miRNATP-induced phenotypes. Overall, our results indicate that miRNA suppression of Dvl isoforms plays an important role in ensuring proper development and function of primary mesenchyme cells and cilia.
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Affiliation(s)
- Nina Faye Sampilo
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
| | - Nadezda A Stepicheva
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | | | - Lingyu Wang
- Department of Biology, University of Miami, Coral Gables, FL 33124, USA
| | - Wei Wu
- Department of Biology, University of Miami, Coral Gables, FL 33124, USA
| | | | - Jia L Song
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
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Wnt/β-Catenin Signaling Pathway Governs a Full Program for Dopaminergic Neuron Survival, Neurorescue and Regeneration in the MPTP Mouse Model of Parkinson's Disease. Int J Mol Sci 2018; 19:ijms19123743. [PMID: 30477246 PMCID: PMC6321180 DOI: 10.3390/ijms19123743] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/12/2018] [Accepted: 11/17/2018] [Indexed: 12/18/2022] Open
Abstract
Wingless-type mouse mammary tumor virus (MMTV) integration site (Wnt) signaling is one of the most critical pathways in developing and adult tissues. In the brain, Wnt signaling contributes to different neurodevelopmental aspects ranging from differentiation to axonal extension, synapse formation, neurogenesis, and neuroprotection. Canonical Wnt signaling is mediated mainly by the multifunctional β-catenin protein which is a potent co-activator of transcription factors such as lymphoid enhancer factor (LEF) and T-cell factor (TCF). Accumulating evidence points to dysregulation of Wnt/β-catenin signaling in major neurodegenerative disorders. This review highlights a Wnt/β-catenin/glial connection in Parkinson's disease (PD), the most common movement disorder characterized by the selective death of midbrain dopaminergic (mDAergic) neuronal cell bodies in the subtantia nigra pars compacta (SNpc) and gliosis. Major findings of the last decade document that Wnt/β-catenin signaling in partnership with glial cells is critically involved in each step and at every level in the regulation of nigrostriatal DAergic neuronal health, protection, and regeneration in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of PD, focusing on Wnt/β-catenin signaling to boost a full neurorestorative program in PD.
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Mechanoactivation of Wnt/β-catenin pathways in health and disease. Emerg Top Life Sci 2018; 2:701-712. [DOI: 10.1042/etls20180042] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 10/08/2018] [Accepted: 10/09/2018] [Indexed: 11/17/2022]
Abstract
Mechanical forces play an important role in regulating tissue development and homeostasis in multiple cell types including bone, joint, epithelial and vascular cells, and are also implicated in the development of diseases, e.g. osteoporosis, cardiovascular disease and osteoarthritis. Defining the mechanisms by which cells sense and respond to mechanical forces therefore has important implications for our understanding of tissue function in health and disease and may lead to the identification of targets for therapeutic intervention. Mechanoactivation of the Wnt signalling pathway was first identified in osteoblasts with a key role for β-catenin demonstrated in loading-induced osteogenesis. Since then, mechanoregulation of the Wnt pathway has also been observed in stem cells, epithelium, chondrocytes and vascular and lymphatic endothelium. Wnt can signal through both canonical and non-canonical pathways, and evidence suggests that both can mediate responses to mechanical strain, stretch and shear stress. This review will discuss our current understanding of the activation of the Wnt pathway in response to mechanical forces.
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Gu X, Gong H, Shen L, Gu Q. MicroRNA-129-5p inhibits human glioma cell proliferation and induces cell cycle arrest by directly targeting DNMT3A. Am J Transl Res 2018; 10:2834-2847. [PMID: 30323870 PMCID: PMC6176228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Accepted: 08/04/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Glioma is the most common malignant tumor in the adult human brain and has one of the lowest patient survival rates. MicroRNAs (miRNAs) play important roles in the development of cancers, including glioma, and potentially have valuable therapeutic applications in glioma; however, their specific functions and mechanisms of action have yet to be fully defined. Here, we report that miR-129-5p directly targets DNA (cytosine-5)-methyltransferase 3A (DNMT3A) and functions as a tumor-suppressor in glioma. METHOD We analyzed the expression profiles of miR-129-5p and DNMT3A in glioma-related databases. Quantitative reverse transcription-PCR was applied to detect the level of miR-129-5p in glioma specimens and cell lines. Western blotting was applied to detect the level of DNMT3A. We examined the effect of miR-129-5p on the cell cycle and proliferation of glioma cells using CCK-8 and EDU assays and flow cytometry. TargetScan software predicted DNMT3A to be a target of miR-129-5p, which we confirmed by means of luciferase reporter assays and rescue experiments. RESULT miR-129-5p was expressed at low levels in glioma and negatively correlated with glioma grade. Over-expression of miR-129-5p in U87and LN229 cells inhibited proliferation and blocked the cell cycle in G1 Phase. DNMT3A is a direct target of miR-129-5p, and miR-129-5p affects glioma cell proliferation by targeting DNMT3A. CONCLUSION Taken together, our results demonstrate that miR-129-5p plays a significant role in glioma suppression through inhibition of DNMT3A, which may provide a novel therapeutic strategy for treatment of glioma and other DNMT3A-driven cancers.
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Affiliation(s)
- Xuhui Gu
- Department of Neurosurgery, Haimen People's Hospital Haimen 226100, Jiangsu Province, China
| | - Hui Gong
- Department of Neurosurgery, Haimen People's Hospital Haimen 226100, Jiangsu Province, China
| | - Lili Shen
- Department of Neurosurgery, Haimen People's Hospital Haimen 226100, Jiangsu Province, China
| | - Qingfeng Gu
- Department of Neurosurgery, Haimen People's Hospital Haimen 226100, Jiangsu Province, China
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Scheunemann D, Pradhan AK, Das SK, Sarkar D, Emdad L, Fisher PB. Wnt7a and miR-370-3p: new contributors to bladder cancer invasion. BIOTARGET 2018; 2:14. [PMID: 31511849 PMCID: PMC6738951 DOI: 10.21037/biotarget.2018.08.02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Affiliation(s)
- Danielle Scheunemann
- Department of Human & Molecular Genetics, School of
Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Anjan K. Pradhan
- Department of Human & Molecular Genetics, School of
Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Swadesh K. Das
- Department of Human & Molecular Genetics, School of
Medicine, Virginia Commonwealth University, Richmond, VA, USA
- VCU Institute of Molecular Medicine (VIMM), School of
Medicine, Virginia Commonwealth University, Richmond, VA, USA
- VCU Massey Cancer Center, School of Medicine, Virginia
Commonwealth University, Richmond, VA, USA
| | - Devanand Sarkar
- Department of Human & Molecular Genetics, School of
Medicine, Virginia Commonwealth University, Richmond, VA, USA
- VCU Institute of Molecular Medicine (VIMM), School of
Medicine, Virginia Commonwealth University, Richmond, VA, USA
- VCU Massey Cancer Center, School of Medicine, Virginia
Commonwealth University, Richmond, VA, USA
| | - Luni Emdad
- Department of Human & Molecular Genetics, School of
Medicine, Virginia Commonwealth University, Richmond, VA, USA
- VCU Institute of Molecular Medicine (VIMM), School of
Medicine, Virginia Commonwealth University, Richmond, VA, USA
- VCU Massey Cancer Center, School of Medicine, Virginia
Commonwealth University, Richmond, VA, USA
| | - Paul B. Fisher
- Department of Human & Molecular Genetics, School of
Medicine, Virginia Commonwealth University, Richmond, VA, USA
- VCU Institute of Molecular Medicine (VIMM), School of
Medicine, Virginia Commonwealth University, Richmond, VA, USA
- VCU Massey Cancer Center, School of Medicine, Virginia
Commonwealth University, Richmond, VA, USA
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Pasquariello R, Fernandez-Fuertes B, Strozzi F, Pizzi F, Mazza R, Lonergan P, Gandolfi F, Williams JL. Profiling bovine blastocyst microRNAs using deep sequencing. Reprod Fertil Dev 2018; 29:1545-1555. [PMID: 27623773 DOI: 10.1071/rd16110] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 06/24/2016] [Indexed: 12/14/2022] Open
Abstract
MicroRNAs (miRNAs) are known to control several reproductive functions, including oocyte maturation, implantation and early embryonic development. Recent advances in deep sequencing have allowed the analysis of all miRNAs of a sample. However, when working with embryos, due to the low RNA content, miRNA profiling is challenging because of the relatively large amount of total RNA required for library preparation protocols. In the present study we compared three different procedures for RNA extraction and prepared libraries using pools of 30 bovine blastocysts. In total, 14 of the 15 most abundantly expressed miRNAs were common to all three procedures. Furthermore, using miRDeep discovery and annotation software (Max Delbrück Center), we identified 1363 miRNA sequences, of which bta-miR-10b and bta-miR-378 were the most abundant. Most of the 179 genes identified as experimentally validated (86.6%) or predicted targets (13.4%) were associated with cancer canonical pathways. We conclude that reliable analysis of bovine blastocyst miRNAs can be achieved using the procedures described herein. The repeatability of the results across different procedures and independent replicates, as well as their consistency with results obtained in other species, support the biological relevance of these miRNAs and of the gene pathways they modulate in early embryogenesis.
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Affiliation(s)
- R Pasquariello
- Dipartimento di Scienze Agrarie e Ambientali - Produzione, Territori, Università degli Studi di Milano, Via Celoria 2, 20133, Milan, Italy
| | - B Fernandez-Fuertes
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Dublin, Ireland
| | - F Strozzi
- Parco Tecnologico Padano, Via Einstein Albert, 26900, Lodi, Italy
| | - F Pizzi
- Istituto di Biologia e Biotecnologia Agraria - Consiglio Nazionale delle Ricerche, Via Einstein Albert, 26900, Lodi, Italy
| | - R Mazza
- Associazione Italiana Allevatori, Via Bergamo 292, 26100, Cremona, Italy
| | - P Lonergan
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Dublin, Ireland
| | - F Gandolfi
- Dipartimento di Scienze Agrarie e Ambientali - Produzione, Territori, Università degli Studi di Milano, Via Celoria 2, 20133, Milan, Italy
| | - J L Williams
- School of Animal and Veterinary Sciences, Faculty of Science, University of Adelaide, Roseworthy, SA 5371, Australia
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Identification of small-molecule ligands that bind to MiR-21 as potential therapeutics for endometriosis by screening ZINC database and in-vitro assays. Gene 2018; 662:46-53. [DOI: 10.1016/j.gene.2018.03.094] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 03/17/2018] [Accepted: 03/28/2018] [Indexed: 12/20/2022]
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Intranasal wnt3a Attenuates Neuronal Apoptosis through Frz1/PIWIL1a/FOXM1 Pathway in MCAO Rats. J Neurosci 2018; 38:6787-6801. [PMID: 29954850 DOI: 10.1523/jneurosci.2352-17.2018] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Revised: 03/27/2018] [Accepted: 04/04/2018] [Indexed: 01/12/2023] Open
Abstract
After ischemic stroke, apoptosis of neurons is a primary factor in determining outcome. Wnt3a is a naturally occurring protein that has been shown to have protective effects in the brain for traumatic brain injury. Although wnt3a has been investigated in the phenomena of neurogenesis, anti-apoptosis, and anti-inflammation, it has never been investigated as a therapy for stroke. We hypothesized that the potential neuroprotective agent wnt3a would reduce infarction and improve behavior following ischemic stroke by attenuating neuronal apoptosis and promoting cell survival through the Frizzled-1/PIWI1a/FOXM1 pathway in middle cerebral artery occlusion (MCAO) rats. A total of 229 Sprague Dawley rats were assigned to male, female, and 9-month-old male MCAO or sham groups followed by reperfusion 2 h after MCAO. Animals assigned to MCAO were either given wnt3a or its control. To explore the downstream signaling of wnt3a, the following interventions were given: Frizzled-1 siRNA, PIWI1a siRNA, and PIWI1a-clustered regularly interspaced short palindromic repeats, along with the appropriate controls. Post-MCAO assessments included neurobehavioral tests, infarct volume, Western blot, and immunohistochemistry. Endogenous levels of wnt3a and Frizzled-1/PIWI1a/FOXM1 were lowered after MCAO. The administration of intranasal wnt3a, 1 h after MCAO, increased PIWIL1a and FOXM1 expression through Frizzled-1, reducing brain infarction and neurological deficits at 24 and 72 h. Frizzled-1 and PIWI1a siRNAs reversed the protective effects of wnt3a after MCAO. Restoration of PIWI1a after knockdown of Frizzled-1 increased FOXM1 survival protein and reduced cleaved caspase-3 levels. In summary, wnt3a decreases neuronal apoptosis and improves neurological deficits through Frizzled-1/PIWI1a/FOXM1 pathway after MCAO in rats. Therefore, wnt3a is a novel intranasal approach to decrease apoptosis after stroke.SIGNIFICANCE STATEMENT Only 5% of patients receive recombinant tissue plasminogen activator after stroke, and few qualify for mechanical thrombectomy. No neuroprotective agents have been successfully translated to promote neuronal survival in stroke. Thus, using a clinically relevant rat model of stroke, middle cerebral artery occlusion, we explored a novel intranasal administration of wnt3a. wnt3a naturally occurs in the body and crosses the blood-brain barrier, supporting the clinically translatable approach of intranasal administration. Significant neuronal apoptosis occurs during stroke, and wnt3a shows promise due to its antiapoptotic effects. We investigated whether wnt3a mediates its poststroke effects via Frizzled-1 and the impact on its downstream signaling molecules, PIWI1a and FOXM1, in apoptosis. Elucidating the mechanism of wnt3a will identify additional pharmacological targets and further understanding of stroke.
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Wang C, Li T, Yan F, Cai W, Zheng J, Jiang X, Sun J. Effect of simvastatin and microRNA-21 inhibitor on metastasis and progression of human salivary adenoid cystic carcinoma. Biomed Pharmacother 2018; 105:1054-1061. [PMID: 30021341 DOI: 10.1016/j.biopha.2018.05.157] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 05/30/2018] [Accepted: 05/30/2018] [Indexed: 12/11/2022] Open
Abstract
Salivary adenoid cystic carcinoma (SACC) is a common malignancy of the salivary glands. Epithelial-mesenchymal transition (EMT) and P53 signaling pathway are associated with SACC metastasis and progression. Although simvastatin (SIM) is effective against the growth of many cancer types, its side effects limit its use. microRNA-21 (miR-21) is highly expressed in a variety of tumors and has a role in promoting tumor development. Therefore, the aim of the present study was to evaluate the effect of SIM in combination with miR-21 inhibitor (miR-21i) against lung metastatic SACC cells (SACC-LM). Our results showed that miR-21i was effective in reducing the resistance of SACC-LM to SIM, resulting in SACC-LM acquisition of epithelial traits, cell migration and invasion reduction, growth inhibition and induction of apoptosis. The expression of proteins associated to metastasis and tumor progression were regulated by the combined use of SIM and miR-21i. Thus, our findings demonstrated that such combination was effective in inhibiting SACC-LM progression, suggesting that multi-target therapy against SACC might represent a potentially successful approach in clinical treatment.
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Affiliation(s)
- Chao Wang
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China; Department of Stomatology, Zhangjiagang First People's Hospital, Suzhou 215000, China.
| | - Ting Li
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China.
| | - Fei Yan
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China.
| | - Wenyan Cai
- Department of Stomatology, Children's Hospital Affiliated to Nanjing Medical University, Nanjing 210000, China.
| | - Jiwei Zheng
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China.
| | - Xingyu Jiang
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China.
| | - Jinhu Sun
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China.
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Wei B, Wei W, Wang L, Zhao B. Differentially Expressed MicroRNAs in Conservatively Treated Nontraumatic Osteonecrosis Compared with Healthy Controls. BIOMED RESEARCH INTERNATIONAL 2018; 2018:9015758. [PMID: 29977921 PMCID: PMC5994295 DOI: 10.1155/2018/9015758] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 01/06/2018] [Accepted: 02/05/2018] [Indexed: 01/01/2023]
Abstract
Deregulation of microRNAs (miRNAs) contributes to nontraumatic osteonecrosis of the femoral head (ONFH-N), but the differentially expressed circulating miRNAs in patients with ONFH-N receiving nonsurgical therapy are unknown. This study aimed to determine the miRNAs expression profile of patients with ONFH-N receiving conservative treatments. This was a case-control prospective study of 43 patients with ONFH-N and 43 participants without ONFH-N, enrolled from 10/2014 to 10/2016 at the Department of Orthopedics of the Linyi People's Hospital (China). The two groups were matched for age, gender, and living area. Microarray analysis and quantitative RT-PCR were used to examine the differentially expressed miRNAs. Bioinformatics was used to predict miRNA target genes and signaling pathways. Microarray and quantitative RT-PCR revealed that nine miRNAs were downregulated and five miRNAs were upregulated in ONFH-N (n = 3) compared with controls (n = 3). Bioinformatics showed that calcium-mediated signaling pathway, regulation of calcium ion transmembrane transporter activity, cytoskeletal protein binding, and caveolae macromolecular signaling complex were probably regulated by the identified differentially expressed miRNAs. In the remaining 80 subjects (n = 40/group), miR-335-5p was downregulated (P = 0.01) and miR-100-5p was upregulated (P = 0.02) in ONFH-N compared with controls. In conclusion, some miRNAs are differentially expressed in conservatively treated ONFH-N compared with controls. Those miRNAs could contribute to the pathogenesis of ONFH-N.
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Affiliation(s)
- Biaofang Wei
- Department of Orthopedics, Linyi People's Hospital, Linyi, China
| | - Wei Wei
- Department of Orthopedics, First School of Clinical Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Liang Wang
- Department of Surgery, Shandong Medical College, Linyi, China
| | - Baoxiang Zhao
- Department of Orthopedics, Linyi People's Hospital, Linyi, China
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Tang S, Dai Y. RNA sequencing reveals significant miRNAs in Atypical endometrial hyperplasia. Eur J Obstet Gynecol Reprod Biol 2018; 225:129-135. [PMID: 29709726 DOI: 10.1016/j.ejogrb.2018.03.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 03/16/2018] [Accepted: 03/17/2018] [Indexed: 12/29/2022]
Abstract
PURPOSE In this paper, we aimed to investigate the miRNAs that played a regulatory role in the development of atypical endometrial hyperplasia (AEH). METHODS RNA sequencing was performed for endometrial tissues from 3 AEH patients and 3 endometrial normal hyperplasia patients. RNA sequencing data were processed and differentially expressed (DE) miRNAs were identified between AEH and controls. The target genes for DE miRNAs were identified and mapped to the protein-protein interaction (PPI) network. The miRNA related functions were predicted and miRNA-disease gene network was constructed. RESULTS Total 18 DE miRNAs were overlapped in three sample groups, among which hsa-miR-577, hsa-miR-182-5p and hsa-miR-183-5p were top three miRNAs that targeting largest number of genes. Function analysis showed that the 18 overlapped miRNAs mainly related with cancer and signaling transduction related pathways. PPI network showed that total 12 genes were among top 20 genes based on three network topological features including BCL2, UMPS, MAPK13, PRKCB, CREB1, IGF1, SP1, SMAD3, IGF1R, NOTCH2, WNT5A, TK2. Top 10 miRNAs in miRNA-disease gene network were identified such as hsa-miR-577 (degree = 17), hsa-miR-182-5p (degree = 16) and hsa-miR-3609 (degree = 13). CONCLUSION hsa-miR-577 and hsa-miR-182-5p may play regulatory role in AEH through AMPK signal pathway and Wnt signaling pathway.
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Affiliation(s)
- Shiqian Tang
- Department of Gynecology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China
| | - Yinmei Dai
- Department of Gynecology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China.
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Cai X, Yao Z, Li L, Huang J. Role of DKK4 in Tumorigenesis and Tumor Progression. Int J Biol Sci 2018; 14:616-621. [PMID: 29904276 PMCID: PMC6001654 DOI: 10.7150/ijbs.24329] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 03/26/2018] [Indexed: 11/05/2022] Open
Abstract
Tumor is the most public health problem. The Wnt signal pathway extensively participates in diverse progresses containing embryonic development, maintenance of homeostasis and tumor pathogenesis. The Wnt signal pathway consists of canonical signal pathway, noncanonical Wnt/PCP pathway and noncanonical Wnt/Ca2+ pathway. The deletion of the ligand of Wnts results in cytoplasmic β-catenin phosphorylation, stopping entry of β-catenin to nuclear in canonical Wnt signaling. Instead, binding of Wnts to frizzled (FZ/FZD) as well as LRP5/6 causes activation of Wnt signal pathways. This facilitates entry of β-catenin to nuclear. The Dickkopf proteins (DKKs) have been known as the antagonist of Wnt signal pathway. A number of research of DKK1, 2, 3 have been reported, however, the effect of DKK4 on tumor process is still mysterious. A more distinct comprehension about the effect of DKK4 on tumorigenesis and tumor process will shed light on biomedical research of DKK4 and tumor research. This review summarizes the current knowledge of DKK4 in various kinds of tumors.
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Affiliation(s)
- Xinjia Cai
- Department of Oral Pathology, Xiangya Stomalogical Hospital, Central South University, 410078, Chansha, Hunan, China
| | - Zhigang Yao
- Department of Oral Pathology, Xiangya Stomalogical Hospital, Central South University, 410078, Chansha, Hunan, China
| | - Long Li
- Department of Oral Pathology, Xiangya Stomalogical Hospital, Central South University, 410078, Chansha, Hunan, China
| | - Junhui Huang
- Department of Oral Pathology, Xiangya Stomalogical Hospital, Central South University, 410078, Chansha, Hunan, China
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Vallée A, Lecarpentier Y. Crosstalk Between Peroxisome Proliferator-Activated Receptor Gamma and the Canonical WNT/β-Catenin Pathway in Chronic Inflammation and Oxidative Stress During Carcinogenesis. Front Immunol 2018; 9:745. [PMID: 29706964 PMCID: PMC5908886 DOI: 10.3389/fimmu.2018.00745] [Citation(s) in RCA: 225] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Accepted: 03/26/2018] [Indexed: 12/19/2022] Open
Abstract
Inflammation and oxidative stress are common and co-substantial pathological processes accompanying, promoting, and even initiating numerous cancers. The canonical WNT/β-catenin pathway and peroxisome proliferator-activated receptor gamma (PPARγ) generally work in opposition. If one of them is upregulated, the other one is downregulated and vice versa. WNT/β-catenin signaling is upregulated in inflammatory processes and oxidative stress and in many cancers, although there are some exceptions for cancers. The opposite is observed with PPARγ, which is generally downregulated during inflammation and oxidative stress and in many cancers. This helps to explain in part the opposite and unidirectional profile of the canonical WNT/β-catenin signaling and PPARγ in these three frequent and morbid processes that potentiate each other and create a vicious circle. Many intracellular pathways commonly involved downstream will help maintain and amplify inflammation, oxidative stress, and cancer. Thus, many WNT/β-catenin target genes such as c-Myc, cyclin D1, and HIF-1α are involved in the development of cancers. Nuclear factor-kappaB (NFκB) can activate many inflammatory factors such as TNF-α, TGF-β, interleukin-6 (IL-6), IL-8, MMP, vascular endothelial growth factor, COX2, Bcl2, and inducible nitric oxide synthase. These factors are often associated with cancerous processes and may even promote them. Reactive oxygen species (ROS), generated by cellular alterations, stimulate the production of inflammatory factors such as NFκB, signal transducer and activator transcription, activator protein-1, and HIF-α. NFκB inhibits glycogen synthase kinase-3β (GSK-3β) and therefore activates the canonical WNT pathway. ROS activates the phosphatidylinositol 3 kinase/protein kinase B (PI3K/Akt) signaling in many cancers. PI3K/Akt also inhibits GSK-3β. Many gene mutations of the canonical WNT/β-catenin pathway giving rise to cancers have been reported (CTNNB1, AXIN, APC). Conversely, a significant reduction in the expression of PPARγ has been observed in many cancers. Moreover, PPARγ agonists promote cell cycle arrest, cell differentiation, and apoptosis and reduce inflammation, angiogenesis, oxidative stress, cell proliferation, invasion, and cell migration. All these complex and opposing interactions between the canonical WNT/β-catenin pathway and PPARγ appear to be fairly common in inflammation, oxidative stress, and cancers.
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Affiliation(s)
| | - Yves Lecarpentier
- Centre de Recherche Clinique, Grand Hôpital de l'Est Francilien (GHEF), Meaux, France
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Park HJ, Kim S, Li W. Model-based analysis of competing-endogenous pathways (MACPath) in human cancers. PLoS Comput Biol 2018; 14:e1006074. [PMID: 29565967 PMCID: PMC5882149 DOI: 10.1371/journal.pcbi.1006074] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 04/03/2018] [Accepted: 03/06/2018] [Indexed: 01/24/2023] Open
Abstract
Competing endogenous RNA (ceRNA) has emerged as an important post-transcriptional mechanism that simultaneously alters expressions of thousands genes in cancers. However, only a few ceRNA genes have been studied for their functions to date. To understand the major biological functions of thousands ceRNA genes as a whole, we designed Model-based Analysis of Competing-endogenous Pathways (MACPath) to infer pathways co-regulated through ceRNA mechanism (cePathways). Our analysis on breast tumors suggested that NGF (nerve growth factor)-induced tumor cell proliferation might be associated with tumor-related growth factor pathways through ceRNA. MACPath also identified indirect cePathways, whose ceRNA relationship is mediated by mediating ceRNAs. Finally, MACPath identified mediating ceRNAs that connect the indirect cePathways based on efficient integer linear programming technique. Mediating ceRNAs are unexpectedly enriched in tumor suppressor genes, whose down-regulation is suspected to disrupt indirect cePathways, such as between DNA replication and WNT signaling pathways. Altogether, MACPath is the first computational method to comprehensively understand functions of thousands ceRNA genes, both direct and indirect, at the pathway level.
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Affiliation(s)
- Hyun Jung Park
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- * E-mail: (HJP); (WL)
| | - Soyeon Kim
- Center for Precision Health, School of Biomedical Informatics, University of Texas Health Science Center, Houston, Texas, United States of America
| | - Wei Li
- Division of Biostatistics, Dan L Duncan Cancer Center, Baylor College of Medicine, Houston, Texas, United States of America
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, United States of America
- * E-mail: (HJP); (WL)
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Lu W, Li X. Vascular stem/progenitor cells: functions and signaling pathways. Cell Mol Life Sci 2018; 75:859-869. [PMID: 28956069 PMCID: PMC11105279 DOI: 10.1007/s00018-017-2662-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 09/05/2017] [Accepted: 09/20/2017] [Indexed: 12/17/2022]
Abstract
Vascular stem/progenitor cells (VSCs) are an important source of all types of vascular cells needed to build, maintain, repair, and remodel blood vessels. VSCs, therefore, play critical roles in the development, normal physiology, and pathophysiology of numerous diseases. There are four major types of VSCs, including endothelial progenitor cells (EPCs), smooth muscle progenitor cells (SMPCs), pericytes, and mesenchymal stem cells (MSCs). VSCs can be found in bone marrow, circulating blood, vessel walls, and other extravascular tissues. During the past two decades, considerable progress has been achieved in the understanding of the derivation, surface markers, and differentiation of VSCs. Yet, the mechanisms regulating their functions and maintenance under normal and pathological conditions, such as in eye diseases, remain to be further elucidated. Owing to the essential roles of blood vessels in human tissues and organs, understanding the functional properties and the underlying molecular basis of VSCs is of critical importance for both basic and translational research.
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Affiliation(s)
- Weisi Lu
- The State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China
| | - Xuri Li
- The State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, People's Republic of China.
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Teng Y, Su X, Zhang X, Zhang Y, Li C, Niu W, Liu C, Qu K. miRNA-200a/c as potential biomarker in epithelial ovarian cancer (EOC): evidence based on miRNA meta-signature and clinical investigations. Oncotarget 2018; 7:81621-81633. [PMID: 27835595 PMCID: PMC5348417 DOI: 10.18632/oncotarget.13154] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 10/12/2016] [Indexed: 01/17/2023] Open
Abstract
Extensive effort has been put on miRNA expression signatures in epithelial ovarian cancer (EOC). Unfortunately, consistent conclusion rarely yielded from diverse studies, mainly due to the high inter-lab variability and small sample sizes. To overcome above limitations, an integrated analysis of miRNA expression signature was performed by employing Robust Rank Aggregation (RRA) method. Diagnostic analysis, Kaplan-Meier survival curves and pathway enrichment analysis were used to investigate the clinical values and biological functions of meta-signature miRNAs. A total of 519 EOC and 248 noncancerous samples were included. Seven mostly dysregulated miRNAs were identified by RRA method and two miRNAs (miR-200a-3p and miR-200c-3p) remained statistically significant after Bonferroni-correction. Diagnostic meta-analysis showed reliable diagnostic capacity of miR-200a-3p (with a pooled sensitivity of 0.84 and specificity of 0.83) and miR-200c-3p (with a pooled sensitivity of 0.75 and specificity of 0.66) for EOC. Pathway enrichment analysis and expression correlation analysis suggested miR-200a/c might contribute EOC progression by affecting cellular adhesion process. Kaplan-Meier survival analysis based on two independent cohorts revealed a strong association between miR-200a/c and overall survival in EOC patients. miR-200a/c was identified as the mostly dysregulated miRNAs in EOC and might be novel diagnostic and prognostic biomarkers for patients with EOC.
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Affiliation(s)
- Yue Teng
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Xuan Su
- Department of Head and Neck of Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Xing Zhang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Yan Zhang
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Chen Li
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Wenquan Niu
- State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China
| | - Chang Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Kai Qu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
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Gayrard C, Bernaudin C, Déjardin T, Seiler C, Borghi N. Src- and confinement-dependent FAK activation causes E-cadherin relaxation and β-catenin activity. J Cell Biol 2018; 217:1063-1077. [PMID: 29311227 PMCID: PMC5839785 DOI: 10.1083/jcb.201706013] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 09/20/2017] [Accepted: 12/04/2017] [Indexed: 01/22/2023] Open
Abstract
β-Catenin is a transcription cofactor proposed to be released from E-cadherin upon mechanically induced phosphorylation. However, evidence for this mechanism is lacking. Gayrard et al. show instead that during epithelial-to-mesenchymal transition, Src- and multicellular confinement–dependent FAK-induced cytoskeleton remodeling causes E-cadherin tension relaxation and phosphorylation-independent β-catenin nuclear translocation from the membrane. In epithelia, E-cadherin cytoplasmic tail is under cytoskeleton-generated tension via a link that contains β-catenin. A cotranscription factor, β-catenin, is also active in morphogenetic processes associated with epithelial-to-mesenchymal transition. β-Catenin signaling appears mechanically inducible and was proposed to follow phosphorylation-induced β-catenin release from E-cadherin. Evidence for this mechanism is lacking, and whether E-cadherin tension is involved is unknown. To test this, we combined quantitative fluorescence microscopies with genetic and pharmacological perturbations of epithelial-to-mesenchymal transition–induced cells in culture. We showed that β-catenin nuclear activity follows a substantial release from the membrane specific to migrating cells and requires multicellular deconfinement and Src activity. Selective nuclear translocation occurs downstream of focal adhesion kinase activation, which targets E-cadherin tension relaxation through actomyosin remodeling. In contrast, phosphorylations of the cadherin/catenin complex are not substantially required. These data demonstrate that E-cadherin acts as a sensor of intracellular mechanics in a crosstalk with cell-substrate adhesions that target β-catenin signaling.
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Affiliation(s)
- Charlène Gayrard
- Institut Jacques Monod, Unité Mixte de Recherche 7592, Centre National de la Recherche Scientifique, Université Paris-Diderot, Paris, France
| | - Clément Bernaudin
- Institut Jacques Monod, Unité Mixte de Recherche 7592, Centre National de la Recherche Scientifique, Université Paris-Diderot, Paris, France
| | - Théophile Déjardin
- Institut Jacques Monod, Unité Mixte de Recherche 7592, Centre National de la Recherche Scientifique, Université Paris-Diderot, Paris, France
| | - Cynthia Seiler
- Institut Jacques Monod, Unité Mixte de Recherche 7592, Centre National de la Recherche Scientifique, Université Paris-Diderot, Paris, France
| | - Nicolas Borghi
- Institut Jacques Monod, Unité Mixte de Recherche 7592, Centre National de la Recherche Scientifique, Université Paris-Diderot, Paris, France
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Foulquier S, Daskalopoulos EP, Lluri G, Hermans KCM, Deb A, Blankesteijn WM. WNT Signaling in Cardiac and Vascular Disease. Pharmacol Rev 2018; 70:68-141. [PMID: 29247129 PMCID: PMC6040091 DOI: 10.1124/pr.117.013896] [Citation(s) in RCA: 216] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
WNT signaling is an elaborate and complex collection of signal transduction pathways mediated by multiple signaling molecules. WNT signaling is critically important for developmental processes, including cell proliferation, differentiation and tissue patterning. Little WNT signaling activity is present in the cardiovascular system of healthy adults, but reactivation of the pathway is observed in many pathologies of heart and blood vessels. The high prevalence of these pathologies and their significant contribution to human disease burden has raised interest in WNT signaling as a potential target for therapeutic intervention. In this review, we first will focus on the constituents of the pathway and their regulation and the different signaling routes. Subsequently, the role of WNT signaling in cardiovascular development is addressed, followed by a detailed discussion of its involvement in vascular and cardiac disease. After highlighting the crosstalk between WNT, transforming growth factor-β and angiotensin II signaling, and the emerging role of WNT signaling in the regulation of stem cells, we provide an overview of drugs targeting the pathway at different levels. From the combined studies we conclude that, despite the sometimes conflicting experimental data, a general picture is emerging that excessive stimulation of WNT signaling adversely affects cardiovascular pathology. The rapidly increasing collection of drugs interfering at different levels of WNT signaling will allow the evaluation of therapeutic interventions in the pathway in relevant animal models of cardiovascular diseases and eventually in patients in the near future, translating the outcomes of the many preclinical studies into a clinically relevant context.
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Affiliation(s)
- Sébastien Foulquier
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
| | - Evangelos P Daskalopoulos
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
| | - Gentian Lluri
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
| | - Kevin C M Hermans
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
| | - Arjun Deb
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
| | - W Matthijs Blankesteijn
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
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72
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Zhu N, Huang K, Liu Y, Zhang H, Lin E, Zeng Y, Li H, Xu Y, Cai B, Yuan Y, Li Y, Lin C. miR-195-5p Regulates Hair Follicle Inductivity of Dermal Papilla Cells by Suppressing Wnt/ β-Catenin Activation. BIOMED RESEARCH INTERNATIONAL 2018; 2018:4924356. [PMID: 29850524 PMCID: PMC5937601 DOI: 10.1155/2018/4924356] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 02/11/2018] [Accepted: 03/05/2018] [Indexed: 02/05/2023]
Abstract
Dermal papilla (DP) cells play a vital role in hair follicle (HF) development and postnatal hair cycling. However, the abilities are lost on further culture. Recent studies have demonstrated significant influences of posttranscriptional regulation by microRNA (miRNA) on HF development. The current study aims to investigate how miRNAs regulate Wnt/β-catenin to control HF inductivity of DP cells by performing microarray analysis in early- and late-passage DP cells and transfecting with miRNAs inhibitor or mimic. Results showed early-passage DP cells strongly expressed miRNAs related to inhibition of noncanonical Wnt pathways. In late-passage DP cells, miRNAs capable of inhibiting the canonical Wnt/β-catenin pathway were upregulated, in addition to the miRNAs targeting the noncanonical Wnt pathway. Moreover, we verified that β-catenin expression was downregulated by miR-195-5p overexpression in dose manner. Meanwhile LRP6 expression was downregulated in both protein and mRNA as well as the genes involved in the hair inductivity of DP cells. These results suggest that the appearance of miRNAs that suppress the Wnt/β-catenin pathway may be responsible for the loss of ability of DP cells in culture and miR-195-5p is the potential key factor involved in regulating HF inductivity of DP cells.
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Affiliation(s)
- Ningxia Zhu
- Department of Pathology and Physiopathology, Guilin Medical University, Guilin, Guangxi 541004, China
- Department of Cardiology, First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Keng Huang
- Department of Emergency, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Yang Liu
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Huan Zhang
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - En Lin
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Yang Zeng
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Haihong Li
- Department of Burn and Plastic Surgery, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515000, China
| | - Yanming Xu
- Department of Cell Biology, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Bozhi Cai
- Tissue Engineering Laboratory, First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Yanping Yuan
- Tissue Engineering Laboratory, First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Yu Li
- Tissue Engineering Laboratory, First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Changmin Lin
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515041, China
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Zwamborn RA, Snijders C, An N, Thomson A, Rutten BP, de Nijs L. Wnt Signaling in the Hippocampus in Relation to Neurogenesis, Neuroplasticity, Stress and Epigenetics. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2018; 158:129-157. [DOI: 10.1016/bs.pmbts.2018.04.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Slattery ML, Mullany LE, Sakoda LC, Samowitz WS, Wolff RK, Stevens JR, Herrick JS. Expression of Wnt-signaling pathway genes and their associations with miRNAs in colorectal cancer. Oncotarget 2017; 9:6075-6085. [PMID: 29464056 PMCID: PMC5814196 DOI: 10.18632/oncotarget.23636] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 12/08/2017] [Indexed: 01/01/2023] Open
Abstract
The Wnt-signaling pathway functions in regulating cell growth and thus is involved in the carcinogenic process of several cancers, including colorectal cancer. We tested the hypothesis that multiple genes in this signaling pathway are dysregulated and that miRNAs are associated with these dysregulated genes. We used data from 217 colorectal cancer (CRC) cases to evaluate differences in Wnt-signaling pathway gene expression between paired CRC and normal mucosa and identify miRNAs that are associated with these genes. Gene expression data from RNA-Seq and miRNA expression data from Agilent Human miRNA Microarray V19.0 were analyzed. We focused on genes most strongly associated with CRC (fold change (FC) of >1.5 or <0.67) and that were statistically significant after adjustment for multiple comparisons. Of the 138 Wnt-signaling pathway genes examined, 27 were significantly down-regulated (FC<0.67) and 32 genes were significantly up-regulated (FC>1.50) after adjusting for multiple comparisons. Thirteen of the 66 Wnt-signaling genes that were differentially expressed in CRC tumors were associated with differential expression of miRNAs. A total of 93 miRNA:mRNA associations were detected for these 13 genes. Of these 93 associations, 36 miRNA seed-region matches were observed, suggesting that miRNAs have both direct and indirect effects on Wnt-signaling pathway genes. In summary, our data supports the hypothesis that the Wnt-signaling pathway is dysregulated in CRC and suggest that miRNAs may importantly influence that dysregulation.
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Affiliation(s)
- Martha L Slattery
- Department of Medicine, University of Utah, Salt Lake City, Utah, USA
| | - Lila E Mullany
- Department of Medicine, University of Utah, Salt Lake City, Utah, USA
| | - Lori C Sakoda
- Division of Research, Kaiser Permanente Northern California, Oakland, California, USA
| | - Wade S Samowitz
- Department of Pathology, University of Utah, Salt Lake City, Utah, USA
| | - Roger K Wolff
- Department of Medicine, University of Utah, Salt Lake City, Utah, USA
| | - John R Stevens
- Department of Mathematics and Statistics, Utah State University, Logan, Utah, USA
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Yang L, Lin Z, Wang Y, Gao S, Li Q, Li C, Xu W, Chen J, Liu T, Song Z, Liu G. MiR-5100 increases the cisplatin resistance of the lung cancer stem cells by inhibiting the Rab6. Mol Carcinog 2017; 57:419-428. [PMID: 29144562 DOI: 10.1002/mc.22765] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 10/19/2017] [Accepted: 11/14/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Lawei Yang
- Clinical Research Center; Guangdong Medical University; Zhanjiang 524001 China
| | - Ziying Lin
- Clinical Research Center; Guangdong Medical University; Zhanjiang 524001 China
| | - Yahong Wang
- Clinical Research Center; Guangdong Medical University; Zhanjiang 524001 China
| | - Shenglan Gao
- Clinical Research Center; Guangdong Medical University; Zhanjiang 524001 China
| | - Qinglan Li
- Department of Respiratory Medicine; Affiliated Hospital of Guangdong Medical University; Zhanjiang 524001 China
| | - Chunyan Li
- Clinical Research Center; Guangdong Medical University; Zhanjiang 524001 China
| | - Wenya Xu
- Clinical Research Center; Guangdong Medical University; Zhanjiang 524001 China
| | - Jie Chen
- Department of Cardiothoracic Surgery; Affiliated Hospital of Guangdong Medical University; Zhanjiang 524001 China
| | - Tie Liu
- The First Affiliated Hospital; Medical School of Xi'an Jiaotong University; Xi'an Shanxi 710061 China
| | - Zeqing Song
- Department of Respiratory Medicine; Affiliated Hospital of Guangdong Medical University; Zhanjiang 524001 China
| | - Gang Liu
- Clinical Research Center; Guangdong Medical University; Zhanjiang 524001 China
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76
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Lin JJ, Chin TY, Chen CP, Chan HL, Wu TY. Zika virus: An emerging challenge for obstetrics and gynecology. Taiwan J Obstet Gynecol 2017; 56:585-592. [PMID: 29037541 DOI: 10.1016/j.tjog.2017.08.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/20/2017] [Indexed: 10/18/2022] Open
Abstract
Microcephaly is a rare birth defect, however, the re-emerging mosquito and sexual transmitted flavivirus, Zika virus (ZIKV), had changed the situation and caused an urgent challenge for the obstetrics and gynecology. This review will brief summarize the epidemiology and virology of ZIKV. And compared the animal models that had developed for the ZIKV infections. These animal models will be benefit for the development of vaccines and anti-ZIKV drugs. Furthermore, the genes that are involved in the causation of microcephaly were also summarized. Finally, the Wnt signal is critical for the brain development as well as innate immune response. Based on previous literatures, we proposed that ZIKV-induced microcephaly might result from the influence of Wnt/β-catenin signaling pathway through the regulation of miRNA-34.
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Affiliation(s)
- Jhe-Jhih Lin
- Institute of Bioinformatics and Structural Biology, National Tsing Hua University, Hsinchu, Taiwan
| | - Ting-Yu Chin
- Department of Bioscience Technology, Chung Yuan Christian University, Chungli, Taiwan
| | - Chih-Ping Chen
- Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei, Taiwan; Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan; Department of Biotechnology, Asia University, Taichung, Taiwan; School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan; Institute of Clinical and Community Health Nursing, National Yang-Ming University, Taipei, Taiwan; Department of Obstetrics and Gynecology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Hong-Lin Chan
- Institute of Bioinformatics and Structural Biology, National Tsing Hua University, Hsinchu, Taiwan.
| | - Tzong-Yuan Wu
- Department of Bioscience Technology, Chung Yuan Christian University, Chungli, Taiwan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.
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77
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Peng Y, Zhang X, Feng X, Fan X, Jin Z. The crosstalk between microRNAs and the Wnt/β-catenin signaling pathway in cancer. Oncotarget 2017; 8:14089-14106. [PMID: 27793042 PMCID: PMC5355165 DOI: 10.18632/oncotarget.12923] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Accepted: 10/21/2016] [Indexed: 12/16/2022] Open
Abstract
Mounting evidence has indicated microRNA (miR) dysregulation and the Wnt/β-catenin signaling pathway jointly drive carcinogenesis, cancer metastasis, and drug-resistance. The current review will focus on the role of the crosstalk between miRs and the Wnt/β-catenin signaling pathway in cancer development. MiRs were found to activate or inhibit the canonical Wnt pathway at various steps. On the other hand, Wnt activation increases expression of miR by directly binding to its promoter and activating transcription. Moreover, there are mutual feedback loops between some miRs and the Wnt/β-catenin signaling pathway. Clinical trials of miR-based therapeutic agents are investigated for solid and hematological tumors, however, challenges concerning low bioavailability and possible side effects must be overcome before the final clinical application. This review will describe current understanding of miR crosstalk with the Wnt/β-catenin signaling cascade. Better understanding of the regulatory network will provide insight into miR-based therapeutic development.
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Affiliation(s)
- Yin Peng
- Department of Pathology, The Shenzhen University School of Medicine, Shenzhen, Guangdong, People's Republic of China.,Department of Pathology, Wuhan University School of Basic Medical Sciences, Hubei, People's Republic of China
| | - Xiaojing Zhang
- Department of Pathology, The Shenzhen University School of Medicine, Shenzhen, Guangdong, People's Republic of China.,Shenzhen Key Laboratory of Translational Medicine in Tumors, The Shenzhen University School of Medicine, Shenzhen, Guangdong, People's Republic of China
| | - Xianling Feng
- Department of Pathology, The Shenzhen University School of Medicine, Shenzhen, Guangdong, People's Republic of China
| | - Xinmim Fan
- Department of Pathology, The Shenzhen University School of Medicine, Shenzhen, Guangdong, People's Republic of China
| | - Zhe Jin
- Department of Pathology, The Shenzhen University School of Medicine, Shenzhen, Guangdong, People's Republic of China.,Shenzhen Key Laboratory of Micromolecule Innovatal Drugs, The Shenzhen University School of Medicine, Shenzhen, Guangdong, People's Republic of China.,Shenzhen Key Laboratory of Translational Medicine in Tumors, The Shenzhen University School of Medicine, Shenzhen, Guangdong, People's Republic of China
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78
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Riggs CL, Podrabsky JE. Small noncoding RNA expression during extreme anoxia tolerance of annual killifish (Austrofundulus limnaeus) embryos. Physiol Genomics 2017; 49:505-518. [DOI: 10.1152/physiolgenomics.00016.2017] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 07/10/2017] [Accepted: 08/09/2017] [Indexed: 12/11/2022] Open
Abstract
Small noncoding RNAs (sncRNA) have recently emerged as specific and rapid regulators of gene expression, involved in a myriad of cellular and organismal processes. MicroRNAs, a class of sncRNAs, are differentially expressed in diverse taxa in response to environmental stress, including anoxia. In most vertebrates, a brief period of oxygen deprivation results in severe tissue damage or death. Studies on sncRNA and anoxia have focused on these anoxia-sensitive species. Studying sncRNAs in anoxia-tolerant organisms may provide insight into adaptive mechanisms supporting anoxia tolerance. Embryos of the annual killifish Austrofundulus limnaeus are the most anoxia-tolerant vertebrates known, surviving over 100 days at their peak tolerance at 25°C. Their anoxia tolerance and physiology vary over development, such that both anoxia-tolerant and anoxia-sensitive phenotypes comprise the species. This allows for a robust comparison to identify sncRNAs essential to anoxia-tolerance. For this study, RNA sequencing was used to identify and quantify expression of sncRNAs in four embryonic stages of A. limnaeus in response to an exposure to anoxia and subsequent aerobic recovery. Unique stage-specific patterns of expression were identified that correlate with anoxia tolerance. In addition, embryos of A. limnaeus appear to constitutively express stress-responsive miRNAs. Most differentially expressed sncRNAs were expressed at higher levels during recovery. Many novel groups of sncRNAs with expression profiles suggesting a key role in anoxia tolerance were identified, including sncRNAs derived from mitochondrial tRNAs. This global analysis has revealed groups of candidate sncRNAs that we hypothesize support anoxia tolerance.
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Affiliation(s)
- Claire L. Riggs
- Department of Biology, Portland State University, Portland, Oregon
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79
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Chen K, Chen H, Zhang K, Sun S, Mo J, Lu J, Qian Z, Yang H. MicroRNA profiling and bioinformatics analyses reveal the potential roles of microRNAs in chordoma. Oncol Lett 2017; 14:5533-5539. [PMID: 29113181 DOI: 10.3892/ol.2017.6839] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 06/02/2017] [Indexed: 01/10/2023] Open
Abstract
Chordoma is a rare aggressive bone tumor arising from remnants of the notochord, and patients with chordoma have a poor prognosis. However, the unique expression profiles of microRNAs (miRNAs/miRs) and their downstream signaling pathways in chordoma remain incompletely characterized. The aim of the present study was to delineate the global miRNA expression profile and associated signaling networks in chordoma. miRNA profiling was performed on chordoma and fetal notochord tissues. Differentially expressed miRNAs in chordoma were analyzed using microarrays with hierarchical clustering analysis. The target genes of the differentially expressed miRNAs were predicted, and Gene Ontology (GO) and pathway analyses were performed for the intersecting genes. A total of 42 miRNAs were significantly dysregulated in chordoma compared with that in fetal nucleus pulposus tissues. The expression of hsa-miR-21-3p, hsa-miR-150-5p, hsa-miR-1290 and hsa-miR-623 were validated using the reverse transcription-quantitative polymerase chain reaction. On the basis of the intersection predicted by three databases (Targetscan, microRNA.org and PITA), 10,292 potential miRNA targets were identified. Bioinformatic analyses suggested that these dysregulated miRNAs and their predicted targets were functions of signaling pathways in cancer, the mitogen-activated protein kinase signaling pathway, regulation of actin cytoskeleton, focal adhesion and endocytosis. In particular, human (hsa-)miR-185-5p was identified as a crucial miRNA in chordoma development via the Wnt signaling pathway. The results of the present study provide a comprehensive expression and functional profile of differentially expressed miRNAs associated with chordoma. This profile may serve as a potential tool for biomarker and therapeutic target identification in patients with chordoma.
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Affiliation(s)
- Kangwu Chen
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Hao Chen
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Kai Zhang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Siwei Sun
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Jianqiang Mo
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Jian Lu
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Zhonglai Qian
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Huilin Yang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
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80
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TRAIL, Wnt, Sonic Hedgehog, TGFβ, and miRNA Signalings Are Potential Targets for Oral Cancer Therapy. Int J Mol Sci 2017; 18:ijms18071523. [PMID: 28708091 PMCID: PMC5536013 DOI: 10.3390/ijms18071523] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 07/09/2017] [Accepted: 07/13/2017] [Indexed: 02/07/2023] Open
Abstract
Clinical studies and cancer cell models emphasize the importance of targeting therapies for oral cancer. The tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is highly expressed in cancer, and is a selective killing ligand for oral cancer. Signaling proteins in the wingless-type mouse mammary tumor virus (MMTV) integration site family (Wnt), Sonic hedgehog (SHH), and transforming growth factor β (TGFβ) pathways may regulate cell proliferation, migration, and apoptosis. Accordingly, the genes encoding these signaling proteins are potential targets for oral cancer therapy. In this review, we focus on recent advances in targeting therapies for oral cancer and discuss the gene targets within TRAIL, Wnt, SHH, and TGFβ signaling for oral cancer therapies. Oncogenic microRNAs (miRNAs) and tumor suppressor miRNAs targeting the genes encoding these signaling proteins are summarized, and the interactions between Wnt, SHH, TGFβ, and miRNAs are interpreted. With suitable combination treatments, synergistic effects are expected to improve targeting therapies for oral cancer.
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81
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Tuning of major signaling networks (TGF-β, Wnt, Notch and Hedgehog) by miRNAs in human stem cells commitment to different lineages: Possible clinical application. Biomed Pharmacother 2017; 91:849-860. [PMID: 28501774 DOI: 10.1016/j.biopha.2017.05.020] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 04/29/2017] [Accepted: 05/04/2017] [Indexed: 02/07/2023] Open
Abstract
Two distinguishing characteristics of stem cells, their continuous division in the undifferentiated state and growth into any cell types, are orchestrated by a number of cell signaling pathways. These pathways act as a niche factor in controlling variety of stem cells. The core stem cell signaling pathways include Wingless-type (Wnt), Hedgehog (HH), and Notch. Additionally, they critically regulate the self-renewal and survival of cancer stem cells. Conversely, stem cells' main properties, lineage commitment and stemness, are tightly controlled by epigenetic mechanisms such as DNA methylation, histone modifications and non-coding RNA-mediated regulatory events. MicroRNAs (miRNAs) are cellular switches that modulate stem cells outcomes in response to diverse extracellular signals. Numerous scientific evidences implicating miRNAs in major signal transduction pathways highlight new crosstalks of cellular processes. Aberrant signaling pathways and miRNAs levels result in developmental defects and diverse human pathologies. This review discusses the crosstalk between the components of main signaling networks and the miRNA machinery, which plays a role in the context of stem cells development and provides a set of examples to illustrate the extensive relevance of potential novel therapeutic targets.
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82
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Rahmani F, Avan A, Hashemy SI, Hassanian SM. Role of Wnt/β‐catenin signaling regulatory microRNAs in the pathogenesis of colorectal cancer. J Cell Physiol 2017; 233:811-817. [DOI: 10.1002/jcp.25897] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 03/06/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Farzad Rahmani
- Department of Medical BiochemistrySchool of MedicineMashhad University of Medical SciencesMashhadIran
| | - Amir Avan
- Department of Modern Sciences and TechnologiesSchool of MedicineMashhad University of Medical SciencesMashhadIran
- Cancer Research CenterSchool of MedicineMashhad University of Medical SciencesMashhadIran
| | - Seyed Isaac Hashemy
- Surgical Oncology Research CenterMashhad University of Medical SciencesMashhadIran
| | - Seyed Mahdi Hassanian
- Department of Medical BiochemistrySchool of MedicineMashhad University of Medical SciencesMashhadIran
- Metabolic Syndrome Research CenterMashhad University of Medical SciencesMashhadIran
- Microanatomy Research CenterMashhad University of Medical SciencesMashhadIran
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83
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Mu J, Zhu D, Shen Z, Ning S, Liu Y, Chen J, Li Y, Li Z. The repressive effect of miR-148a on Wnt/β-catenin signaling involved in Glabridin-induced anti-angiogenesis in human breast cancer cells. BMC Cancer 2017; 17:307. [PMID: 28464803 PMCID: PMC5414299 DOI: 10.1186/s12885-017-3298-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 04/24/2017] [Indexed: 03/04/2023] Open
Abstract
Background Glabridin (GLA), a major component extracted from licorice root, has anti-inflammatory and antioxidant activities, but few studies report its mechanism of inhibition of angiogenesis. This study was an extension of our previous work, which demonstrated that GLA suppressed angiogenesis in human breast cancer (MDA-MB-231 and Hs-578T) cells. Breast cancer is one of the most common malignant diseases in females worldwide, and the major cause of mortality is metastasis that is primarily attributed to angiogenesis. Thus, anti-angiogenesis has become a strategy for the treatment of breast cancer. Methods Cell viability of different concentration treatment groups were detected by Cell Counting Kit-8 assay. The expression of several related genes in the Wnt1 signaling pathway in MDA-MB-231 and Hs-578T cells treated with GLA were measured at both the transcription and translation levels using quantitative real-time PCR analyses and western blotting. Immunofluorescence assay analyzed the nuclear translocation of β-catenin. The microRNA-inhibitor was used to knockdown microRNA-148a (miR-148a) expression. Angiogenic potentials of breast cancer cells were analyzed by enzyme-linked immunosorbent assay (ELISA) and tube formation in vitro. Results GLA attenuated angiogenesis by the suppression of miR-148a-mediated Wnt/β-catenin signaling pathway in two human breast cancer cell lines (MDA-MB-231 and Hs-578T). GLA also upregulated the expression of miR-148a in a dose-dependent manner, miR-148a, which could directly target Wnt-3′-untranslated regions (UTRs), and decreased the expression of Wnt1, leading to β-catenin accumulation in the membranes from the cytoplasm and nucleus. Downregulation of miR-148a contributed to the reduction of GLA-induced suppression of the Wnt/β-catenin signaling pathway, the angiogenesis and vascular endothelial grow factor (VEGF) secretion. Conclusions Our study identified a molecular mechanism of the GLA inhibition of angiogenesis through the Wnt/β-catenin signaling pathway via miR-148a, suggesting that GLA could serve as an adjuvant chemotherapeutic agent for breast cancer. Electronic supplementary material The online version of this article (doi:10.1186/s12885-017-3298-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Juan Mu
- Department of Nutrition and Food Hygiene, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211100, China
| | - Dongmei Zhu
- Department of Nutrition and Food Hygiene, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211100, China
| | - Zhaoxia Shen
- Department of Nutrition and Food Hygiene, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211100, China
| | - Shilong Ning
- Department of Nutrition and Food Hygiene, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211100, China
| | - Yun Liu
- Department of Nutrition and Food Hygiene, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211100, China
| | - Juan Chen
- Department of Nutrition and Food Hygiene, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211100, China
| | - Yuan Li
- Department of Nutrition and Food Hygiene, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211100, China
| | - Zhong Li
- Department of Nutrition and Food Hygiene, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211100, China.
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Moradi A, Ghasemi F, Anvari K, Hassanian SM, Simab SA, Ebrahimi S, Hesari A, Forghanifard MM, Boroushaki MT, ShahidSales S, Avan A. The cross-regulation between SOX15 and Wnt signaling pathway. J Cell Physiol 2017; 232:3221-3225. [DOI: 10.1002/jcp.25802] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 01/13/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Ali Moradi
- Department of Biology, Damghan Branch; Islamic Azad University; Damghan Iran
| | - Faezeh Ghasemi
- Molecular Medicine Group, Department of Modern Sciences and Technologies, School of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
- Department of Biotechnology; Faculty of Medicine; Arak University of Medical Sciences; Arak Iran
| | - Kazem Anvari
- Cancer Research Center, School of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
| | - Seyed Mahdi Hassanian
- Metabolic syndrome Research center, School of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
- Department of Medical Biochemistry, School of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
| | - Saeideh Ahmadi Simab
- Cancer Research Center, School of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
| | - Safieh Ebrahimi
- Department of Medical Biochemistry, School of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
| | - Amirreza Hesari
- Department of Biology, Damghan Branch; Islamic Azad University; Damghan Iran
- Molecular Medicine Group, Department of Modern Sciences and Technologies, School of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
| | | | - Mohammad Taher Boroushaki
- Department of Pharmacology and Pharmacological Research Center of Medicinal Plants; Faculty of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
| | - Soodabeh ShahidSales
- Cancer Research Center, School of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
| | - Amir Avan
- Metabolic syndrome Research center, School of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
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85
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Laing R, Gillan V, Devaney E. Ivermectin - Old Drug, New Tricks? Trends Parasitol 2017; 33:463-472. [PMID: 28285851 PMCID: PMC5446326 DOI: 10.1016/j.pt.2017.02.004] [Citation(s) in RCA: 215] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 02/14/2017] [Accepted: 02/15/2017] [Indexed: 11/30/2022]
Abstract
Ivermectin is one of the most important drugs in veterinary and human medicine for the control of parasitic infection and was the joint focus of the 2015 Nobel Prize in Physiology or Medicine, some 35 years after its remarkable discovery. Although best described for its activity on glutamate-gated chloride channels in parasitic nematodes, understanding of its mode of action remains incomplete. In the field of veterinary medicine, resistance to ivermectin is now widespread, but the mechanisms underlying resistance are unresolved. Here we discuss the history of this versatile drug and its use in global health. Based on recent studies in a variety of systems, we question whether ivermectin could have additional modes of action on parasitic nematodes. Ligand-gated ion channels, particularly glutamate-gated chloride channels, are well characterised as the targets of IVM in nematodes and insects. Nematode genomes are helping to cast light on the diversity of ion-channel subunits in different parasite species of human and veterinary importance. Resistance to IVM is an increasing problem in the control of parasitic nematodes, and resolving the mechanisms is an important research priority. Recent studies in other biological systems suggest that IVM can affect a number of additional pathways. IVM may have novel applications in the treatment and control of important human diseases.
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Affiliation(s)
- Roz Laing
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Garscube Estate, Glasgow G61 1QH, UK.
| | - Victoria Gillan
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Garscube Estate, Glasgow G61 1QH, UK
| | - Eileen Devaney
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Garscube Estate, Glasgow G61 1QH, UK
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86
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Wang J, Xu W, Zhong T, Song Z, Zou Y, Ding Z, Guo Q, Dong X, Zou W. miR-365 targets β-arrestin 2 to reverse morphine tolerance in rats. Sci Rep 2016; 6:38285. [PMID: 27922111 PMCID: PMC5138852 DOI: 10.1038/srep38285] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 11/07/2016] [Indexed: 01/08/2023] Open
Abstract
Morphine tolerance is a challenging clinical problem that limits its clinical application in pain treatment. Non-coding microRNAs (miRNAs) modulate gene expression in a post transcriptional manner, and their dysregulation causes various diseases. However, the significance of miRNAs in morphine tolerance is still poorly understood. In the present study, we hypothesized that microRNA-365 (miR-365) is a key functional small RNA that reverses morphine tolerance through regulation of β-arrestin 2 in rats. Here, microarray analysis and quantitative real-time PCR showed that miR-365 was robustly decreased in the spinal cord after chronic morphine administration. In situ hybridization and immunochemistry double staining showed that miR-365 was expressed in neurons of the spinal cord. We identified β-arrestin 2 as the target gene of miR-365 by bioinformatics analysis and luciferase reporter assay. The data showed that overexpression of miR-365 prevented and reversed established morphine tolerance, and increased expression of miR-365 caused a decrease in expression of β-arrestin 2 protein. miR-365 downregulation is involved in the development and maintenance of morphine tolerance through regulation of β-arrestin 2, and miR-365 upregulation provides a promising and novel approach for treatment of morphine tolerance.
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Affiliation(s)
- Jian Wang
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Wei Xu
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Tao Zhong
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zongbin Song
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yu Zou
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhuofeng Ding
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Qulian Guo
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Xinzhong Dong
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University, School of Medicine, Baltimore, Maryland 21205, USA
- Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
| | - Wangyuan Zou
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
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Onyido EK, Sweeney E, Nateri AS. Wnt-signalling pathways and microRNAs network in carcinogenesis: experimental and bioinformatics approaches. Mol Cancer 2016; 15:56. [PMID: 27590724 PMCID: PMC5010773 DOI: 10.1186/s12943-016-0541-3] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 08/26/2016] [Indexed: 02/02/2023] Open
Abstract
Over the past few years, microRNAs (miRNAs) have not only emerged as integral regulators of gene expression at the post-transcriptional level but also respond to signalling molecules to affect cell function(s). miRNAs crosstalk with a variety of the key cellular signalling networks such as Wnt, transforming growth factor-β and Notch, control stem cell activity in maintaining tissue homeostasis, while if dysregulated contributes to the initiation and progression of cancer. Herein, we overview the molecular mechanism(s) underlying the crosstalk between Wnt-signalling components (canonical and non-canonical) and miRNAs, as well as changes in the miRNA/Wnt-signalling components observed in the different forms of cancer. Furthermore, the fundamental understanding of miRNA-mediated regulation of Wnt-signalling pathway and vice versa has been significantly improved by high-throughput genomics and bioinformatics technologies. Whilst, these approaches have identified a number of specific miRNA(s) that function as oncogenes or tumour suppressors, additional analyses will be necessary to fully unravel the links among conserved cellular signalling pathways and miRNAs and their potential associated components in cancer, thereby creating therapeutic avenues against tumours. Hence, we also discuss the current challenges associated with Wnt-signalling/miRNAs complex and the analysis using the biomedical experimental and bioinformatics approaches.
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Affiliation(s)
- Emenike K Onyido
- Cancer Genetics & Stem Cell Group, Cancer Biology Unit, Division of Cancer & Stem Cells, School of Medicine, University of Nottingham, Nottingham, NG7 2UH, UK
| | - Eloise Sweeney
- Cancer Genetics & Stem Cell Group, Cancer Biology Unit, Division of Cancer & Stem Cells, School of Medicine, University of Nottingham, Nottingham, NG7 2UH, UK
| | - Abdolrahman Shams Nateri
- Cancer Genetics & Stem Cell Group, Cancer Biology Unit, Division of Cancer & Stem Cells, School of Medicine, University of Nottingham, Nottingham, NG7 2UH, UK.
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STEPICHEVA NADEZDAA, SONG JIAL. Function and regulation of microRNA-31 in development and disease. Mol Reprod Dev 2016; 83:654-74. [PMID: 27405090 PMCID: PMC6040227 DOI: 10.1002/mrd.22678] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Accepted: 06/29/2016] [Indexed: 12/13/2022]
Abstract
MicroRNAs (miRNAs) are small noncoding RNAs that orchestrate numerous cellular processes both under normal physiological conditions as well as in diseases. This review summarizes the functional roles and transcriptional regulation of the highly evolutionarily conserved miRNA, microRNA-31 (miR-31). miR-31 is an important regulator of embryonic implantation, development, bone and muscle homeostasis, and immune system function. Its own regulation is disrupted during the onset and progression of cancer and autoimmune disorders such as psoriasis and systemic lupus erythematosus. Limited studies suggest that miR-31 is transcriptionally regulated by epigenetics, such as methylation and acetylation, as well as by a number of transcription factors. Overall, miR-31 regulates diverse cellular and developmental processes by targeting genes involved in cell proliferation, apoptosis, cell differentiation, and cell motility. Mol. Reprod. Dev. 83: 654-674, 2016 © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
| | - JIA L. SONG
- Department of Biological Sciences, University of Delaware, Newark, Delaware
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Zhang X, Tang W, Chen G, Ren F, Liang H, Dang Y, Rong M. An Encapsulation of Gene Signatures for Hepatocellular Carcinoma, MicroRNA-132 Predicted Target Genes and the Corresponding Overlaps. PLoS One 2016; 11:e0159498. [PMID: 27467251 PMCID: PMC4965135 DOI: 10.1371/journal.pone.0159498] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Accepted: 07/04/2016] [Indexed: 12/26/2022] Open
Abstract
OBJECTIVES Previous studies have demonstrated that microRNA-132 plays a vital part in and is actively associated with several cancers, with its tumor-suppressive role in hepatocellular carcinoma confirmed. The current study employed multiple bioinformatics techniques to establish gene signatures for hepatocellular carcinoma, microRNA-132 predicted target genes and the corresponding overlaps. METHODS Various assays were performed to explore the role and cellular functions of miR-132 in HCC and a successive panel of tasks was completed, including NLP analysis, miR-132 target genes prediction, comprehensive analyses (gene ontology analysis, pathway analysis, network analysis and connectivity analysis), and analytical integration. Later, HCC-related and miR-132-related potential targets, pathways, networks and highlighted hub genes were revealed as well as those of the overlapped section. RESULTS MiR-132 was effective in both impeding cell growth and boosting apoptosis in HCC cell lines. A total of fifty-nine genes were obtained from the analytical integration, which were considered to be both HCC- and miR-132-related. Moreover, four specific pathways were unveiled in the network analysis of the overlaps, i.e. adherens junction, VEGF signaling pathway, neurotrophin signaling pathway, and MAPK signaling pathway. CONCLUSIONS The tumor-suppressive role of miR-132 in HCC has been further confirmed by in vitro experiments. Gene signatures in the study identified the potential molecular mechanisms of HCC, miR-132 and their established associations, which might be effective for diagnosis, individualized treatments and prognosis of HCC patients. However, combined detections of miR-132 with other bio-indicators in clinical practice and further in vitro experiments are needed.
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Affiliation(s)
- Xin Zhang
- Research Department, Affiliated Cancer Hospital, Guangxi Medical University, 71 Hedi Road, Nanning, Guangxi Zhuang Autonomous Region, P. R. China
| | - Wei Tang
- Department of Breast Surgery, Affiliated Cancer Hospital, Guangxi Medical University, 71 Hedi Road, Nanning, Guangxi Zhuang Autonomous Region, P. R. China
| | - Gang Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi Zhuang Autonomous Region, P. R. China
| | - Fanghui Ren
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi Zhuang Autonomous Region, P. R. China
| | - Haiwei Liang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi Zhuang Autonomous Region, P. R. China
| | - Yiwu Dang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi Zhuang Autonomous Region, P. R. China
| | - Minhua Rong
- Research Department, Affiliated Cancer Hospital, Guangxi Medical University, 71 Hedi Road, Nanning, Guangxi Zhuang Autonomous Region, P. R. China
- * E-mail:
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Hepatocellular carcinoma associated microRNA expression signature: integrated bioinformatics analysis, experimental validation and clinical significance. Oncotarget 2016; 6:25093-108. [PMID: 26231037 PMCID: PMC4694817 DOI: 10.18632/oncotarget.4437] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Accepted: 06/19/2015] [Indexed: 12/30/2022] Open
Abstract
microRNA (miRNA) expression profiles varied greatly among current studies due to different technological platforms and small sample size. Systematic and integrative analysis of published datesets that compared the miRNA expression profiles between hepatocellular carcinoma (HCC) tissue and paired adjacent noncancerous liver tissue was performed to determine candidate HCC associated miRNAs. Moreover, we further validated the confirmed miRNAs in a clinical setting using qRT-PCR and Tumor Cancer Genome Atlas (TCGA) dataset. A miRNA integrated-signature of 5 upregulated and 8 downregulated miRNAs was identified from 26 published datesets in HCC using robust rank aggregation method. qRT-PCR demonstrated that miR-93-5p, miR-224-5p, miR-221-3p and miR-21-5p was increased, whereas the expression of miR-214-3p, miR-199a-3p, miR-195-5p, miR-150-5p and miR-145-5p was decreased in the HCC tissues, which was also validated on TCGA dataset. A miRNA based score using LASSO regression model provided a high accuracy for identifying HCC tissue (AUC = 0.982): HCC risk score = 0.180E_miR-221 + 0.0262E_miR-21 - 0.007E_miR-223 - 0.185E_miR-130a. E_miR-n = Log 2 (expression of microRNA n). Furthermore, expression of 5 miRNAs (miR-222, miR-221, miR-21 miR-214 and miR-130a) correlated with pathological tumor grade. Cox regression analysis showed that miR-21 was related with 3-year survival (hazard ratio [HR]: 1.509, 95%CI: 1.079-2.112, P = 0.016) and 5-year survival (HR: 1.416, 95%CI: 1.057-1.897, P = 0.020). However, none of the deregulated miRNAs was related with microscopic vascular invasion. This study provides a basis for further clinical application of miRNAs in HCC.
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Zhou DD, Wang X, Wang Y, Xiang XJ, Liang ZC, Zhou Y, Xu A, Bi CH, Zhang L. MicroRNA-145 inhibits hepatic stellate cell activation and proliferation by targeting ZEB2 through Wnt/β-catenin pathway. Mol Immunol 2016; 75:151-60. [PMID: 27289031 DOI: 10.1016/j.molimm.2016.05.018] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Revised: 05/23/2016] [Accepted: 05/24/2016] [Indexed: 01/06/2023]
Abstract
The activation of hepatic stellates cells (HSCs) is well believed to play a pivotal role in the development of liver fibrosis. MicroRNA-145 (miR-145) is known to suppress the progression of hepatocellular carcinoma, and is previously reported to be associated with Wnt/β-catenin pathway, but its role in the progression of hepatic fibrosis and activation of HSCs remains unknown and is warranted for investigation. In the present study, we found that the expression of miR-145 is significantly down-regulated in vivo in CCl4-induced mice liver fibrosis as well as in transforming growth factor-β1 (TGF-β1) induced HSC-T6 cell lines and human hepatic stellate cell line LX-2 in vitro. Furthermore, over-expression of miR-145 inhibited TGF-β1-induced the activation and proliferation of HSC-T6 cells in vitro. Mechanistically, we identified that zinc finger E-box-binding homeobox 2 (ZEB2), a key mediator of epithelial-to-mesenchymal transition, acted as a functional downstream target for miR-145. Interestingly, ZEB2 was shown to be involved in the TGF-β1-induced HSCs activation by regulating Wnt/β-catenin signaling pathway. Taken together, our results revealed the critical regulatory role of miR-145 in HSCs activation and implied miR-145 as a potential candidate for therapy of hepatic fibrosis by regulation of Wnt/β-catenin through targeting ZEB2.
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Affiliation(s)
- Dan-Dan Zhou
- School of Pharmacy, Anhui Medical University, Hefei 230032, China; Institute for Liver Disease of Anhui Medical University, Anhui Medical University, Hefei 230032, China
| | - Xiao Wang
- Second Clinical Medical College, Anhui Medical University, Hefei, 230032, China
| | - Yang Wang
- School of Pharmacy, Anhui Medical University, Hefei 230032, China; Institute for Liver Disease of Anhui Medical University, Anhui Medical University, Hefei 230032, China
| | - Xin-Jian Xiang
- Second Clinical Medical College, Anhui Medical University, Hefei, 230032, China
| | - Zi-Cong Liang
- Second Clinical Medical College, Anhui Medical University, Hefei, 230032, China
| | - Yi Zhou
- Second Clinical Medical College, Anhui Medical University, Hefei, 230032, China
| | - Ang Xu
- Second Clinical Medical College, Anhui Medical University, Hefei, 230032, China
| | - Cheng-Hao Bi
- Second Clinical Medical College, Anhui Medical University, Hefei, 230032, China
| | - Lei Zhang
- School of Pharmacy, Anhui Medical University, Hefei 230032, China; Institute for Liver Disease of Anhui Medical University, Anhui Medical University, Hefei 230032, China.
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Ulcerative Colitis-Associated Long Noncoding RNA, BC012900, Regulates Intestinal Epithelial Cell Apoptosis. Inflamm Bowel Dis 2016; 22:782-95. [PMID: 26937624 DOI: 10.1097/mib.0000000000000691] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Long noncoding RNAs (lncRNAs) were recently found to be key regulators of biological functions and associated with human diseases. Thus far, the roles of lncRNAs in inflammatory bowel disease (IBD) remain unknown. We aimed to determine whether lncRNAs are associated with IBD and regulate epithelial cell physiology. METHODS lncRNAs microarray and quantitative RT-PCR were performed on 60 sigmoid colon biopsies from patients with active ulcerative colitis (UC) and relevant controls. Localization of lncRNAs was detected by in situ hybridization and on subcellular RNA. The boundaries of BC012900 were assessed by 5' and 3'-rapid amplification of cDNA ends. Apoptosis and proliferation assays were performed on BC012900-expressing construct or siRNA-transfected cells. RESULTS We identified 329 lncRNAs with increased and 126 lncRNAs with decreased expression in active UC tissues compared with normal control tissues, including the most significantly upregulated (BC012900, AK001903, and AK023330) and downregulated (BC029135, CDKN2B-AS1, and BC062296) transcripts. We found that most of the lncRNAs are localized to the nucleus. In particular, BC012900 expression was significantly increased in active UC and stimulated by cytokines and pathogenic molecules. Furthermore, BC012900 overexpression in epithelial cells results in a significant inhibition of cell proliferation and an increased susceptibility to apoptosis, which differ from its adjacent gene DUSP4. CONCLUSIONS Multiple lncRNAs are differentially expressed in IBD and play a role in regulating cellular physiology. Our results indicate that lncRNAs may be integral modulators of intestinal inflammation associated with IBD and represent novel targets for future therapeutics and diagnostic marker development.
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MiR-3162-3p Is a Novel MicroRNA That Exacerbates Asthma by Regulating β-Catenin. PLoS One 2016; 11:e0149257. [PMID: 26959414 PMCID: PMC4784915 DOI: 10.1371/journal.pone.0149257] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 01/29/2016] [Indexed: 12/21/2022] Open
Abstract
Asthma is a common chronic respiratory disease. In a previous study, we found several circulating microRNA signatures associated with childhood asthma and selected miR-3162-3p for subsequent studies. Since the target proteins and underlying molecular mechanisms of miR-3162-3p in asthma etiopathogenesis are not well characterized, we designed this study to clarify its role. We employed bioinformatics and quantitative PCR methods as a first step to determine the target of miR-3162-3p, and we elucidated β-catenin. Luciferase assays and western blot analysis confirmed β-catenin as a direct target of miR-3162-3p as the 3'-untranslated region of β-catenin mRNA possesses a specific miR-3162-3p pairing site. The correlation between the expression levels of miR-3162-3p and β-catenin is confirmed by quantitative PCR and western blot studies in A549, Beas-2B and H1299 cell lines and OVA-induced asthma mouse model. Of note, upregulation of the endogenous miR-3162-3p level is concomitant with the reduction of β-catenin mRNA and protein expression levels. MiR-3162-3p antagomir treatment antagonizes the endogenous miR-3162-3p and effectively rescues the attenuation of endogenous β-catenin in OVA-induced asthmatic mice, which alleviates airway hyperresponsiveness and ameliorates airway inflammation. Collectively, our findings suggest a novel relationship between miR-3162-3p and β-catenin and clarify their mechanistic role in asthma etiopathogenesis.
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Yang J, Chen J, He J, Li J, Shi J, Cho WC, Liu X. Wnt signaling as potential therapeutic target in lung cancer. Expert Opin Ther Targets 2016; 20:999-1015. [PMID: 26882052 DOI: 10.1517/14728222.2016.1154945] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Wingless-type (Wnt) signaling is tightly regulated at multiple cellular levels and is dysregulated in lung cancer. Therefore, it offers therapeutic targets for developing novel agents for lung cancer treatment. AREAS COVERED In this article, we discuss the role of the Wnt signaling pathway in lung cancer, highlighting the aberrant activation of Wnt in lung cancer stem cells and its implication in resistance to radiotherapy, chemotherapy and targeted therapy. We also expound the regulatory roles of microRNAs in Wnt signaling, as well as the potential of the Wnt pathway to provide biomarkers and therapeutic targets in lung cancer. The potential use of small molecule and biological inhibitors targeting the Wnt pathway for lung cancer therapy and prevention is also discussed. EXPERT OPINION Wnt signaling plays an important role in the development and metastasis of lung cancer; the pathway provides targets to develop agents towards for cancer prevention and therapy. A number of clinical trials have shown the effectiveness of Wnt pathway inhibitors in epithelial tumors. However, the side effects should be considered. Nevertheless, the results from clinical studies suggest that inhibitors targeting the Wnt signaling show promise against lung cancer.
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Affiliation(s)
- Jiali Yang
- a Ningxia Key laboratory of Clinical and Pathogenic Microbiology , Center of Laboratory Medicine of General Hospital at Ningxia Medical University , Yinchuan , Ningxia 750004 , China
| | - Juan Chen
- b Department of Pulmonary and Critical Care Medicine , General Hospital, Ningxia Medical University , Yinchuan , Ningxia , China
| | - Jinxi He
- c Department of Thoracic Surgery , General Hospital, Ningxia Medical University , Yinchuan , Ningxia , China
| | - Jing Li
- c Department of Thoracic Surgery , General Hospital, Ningxia Medical University , Yinchuan , Ningxia , China
| | - Juan Shi
- a Ningxia Key laboratory of Clinical and Pathogenic Microbiology , Center of Laboratory Medicine of General Hospital at Ningxia Medical University , Yinchuan , Ningxia 750004 , China
| | - William C Cho
- d Department of Clinical Oncology , Queen Elizabeth Hospital , Kowloon , Hong Kong
| | - Xiaoming Liu
- a Ningxia Key laboratory of Clinical and Pathogenic Microbiology , Center of Laboratory Medicine of General Hospital at Ningxia Medical University , Yinchuan , Ningxia 750004 , China.,e Human Stem Cell Institute, General Hospital, Ningxia Medical University , Yinchuan , Ningxia , China
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Huang Y, Yang Y, He Y, Li J. The emerging role of Nemo-like kinase (NLK) in the regulation of cancers. Tumour Biol 2015; 36:9147-52. [DOI: 10.1007/s13277-015-4159-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2015] [Accepted: 09/24/2015] [Indexed: 02/07/2023] Open
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Miao CG, Xiong YY, Yu H, Zhang XL, Qin MS, Song TW, Du CL. Critical roles of microRNAs in the pathogenesis of systemic sclerosis: New advances, challenges and potential directions. Int Immunopharmacol 2015; 28:626-33. [DOI: 10.1016/j.intimp.2015.07.042] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Revised: 07/12/2015] [Accepted: 07/29/2015] [Indexed: 02/06/2023]
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Wang TY, Zhang QQ, Zhang X, Sun QL, Zhao CP, Wang XY. The effect of recombinant lentiviral vector encoding miR-145 on human esophageal cancer cells. Tumour Biol 2015; 36:9733-8. [PMID: 26156802 DOI: 10.1007/s13277-015-3743-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Accepted: 06/30/2015] [Indexed: 01/23/2023] Open
Abstract
miR-145, a newly identified microRNA molecule, is hypothesized to function as a tumor suppressor, but this activity has not been investigated in esophageal l carcinoma (EC). The aim of this study was to investigate the effect of miR-145 on the biological features of EC cells. miR-145 was obtained using PCR technology and cloned into the lentiviral vector, pLVX-IRES-ZsGreen1, to construct the resulting vector, pLVX-IZ-miR-145. The vector was packaged, the viral titer was tested, and ECA109 cells were infected with the optimal viral titer. Cells that were stably transfected with miR-145 were screened. Flow cytometry was used to analyze enhanced green fluorescence protein gene expression, and to measure cell apoptosis and cell cycle. miR-145 expression was detected by real-time fluorescent quantitative PCR. Furthermore, cell proliferation was assayed using CCK-8 assay. The pLVX-IZ-miR-145 vector was successfully constructed, and the viral titer achieved up to 5.0 × 10(8) TU/mL. The transfection efficiency was 90 %. Compared to the control group, the expression level of miR-145 in the transfected group was significantly higher (185-fold, P < 0.05). miR-145 overexpression significantly inhibited esophageal cancer cell proliferation (P < 0.05). Moreover, the number of cells at the G2/M stage, as well as the cell apoptotic rate, in the miR-145-transfected group was significantly increased (P < 0.05). Our study reveals that overexpression of miR-145 inhibits cell proliferation, increases apoptosis, and influences the cell cycle progression of EC cell.
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Affiliation(s)
- Tian-Yun Wang
- Department of Biochemistry and Molecular Biology, Xinxiang Medical University, Jinsui Road, Xinxiang, 453003, China.
| | - Qing-Qing Zhang
- Department of Psychosomatic Medicine, the Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, 453002, China
| | - Xi Zhang
- Department of Biochemistry and Molecular Biology, Xinxiang Medical University, Jinsui Road, Xinxiang, 453003, China
| | - Qiu-Li Sun
- Department of Biochemistry and Molecular Biology, Xinxiang Medical University, Jinsui Road, Xinxiang, 453003, China
| | - Chun-Peng Zhao
- Department of Biochemistry and Molecular Biology, Xinxiang Medical University, Jinsui Road, Xinxiang, 453003, China
| | - Xiao-Yin Wang
- Department of Biochemistry and Molecular Biology, Xinxiang Medical University, Jinsui Road, Xinxiang, 453003, China
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Introduction to microRNAs: Biogenesis, Action, Relevance of Tissue microRNAs in Disease Pathogenesis, Diagnosis and Therapy-The Concept of Circulating microRNAs. EXPERIENTIA SUPPLEMENTUM (2012) 2015; 106:3-30. [PMID: 26608197 DOI: 10.1007/978-3-0348-0955-9_1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
MicroRNAs as the endogenous mediators of RNA interference have principal roles in gene expression regulation. Since their discovery in the early 1990s, their number has steadily grown to approximately 2500 known microRNAs at present in humans. MicroRNAs encoded by distinct genes regulate the expression of about 30-60 % of human protein coding genes by targeting their messenger RNAs (mRNAs) and induce mostly posttranscriptional inhibition, or in some cases enhancement. MicroRNAs, as fine regulators of the gene expression, have important roles in development, the physiological functioning of the organism, e.g. organogenesis, immune functioning, vascular system, etc. The deregulation of microRNA expression has been observed in many disorders, such as in carcinogenesis. Given their tissue specificity and stability, and specific disease-related alterations, tissue microRNAs can be exploited as excellent biomarkers in the diagnosis. Moreover, microRNAs might also be envisaged as novel therapeutic targets. Beside tissue microRNAs, novel data show that microRNAs are also present in body fluids that could further extend their diagnostic utility as minimally invasive biomarkers of various diseases, but also raises intriguing questions regarding their biological relevance. In this introductory chapter, we summarise the most relevant features of microRNAs including their biogenesis, action, the biological, pathological, diagnostic and potential therapeutical relevance of tissue microRNAs.
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