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miR-142

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https://www.readbyqxmd.com/read/28100738/mir-142-3p-is-a-key-regulator-of-il-1%C3%AE-dependent-synaptopathy-in-neuroinflammation
#1
Georgia Mandolesi, Francesca De Vito, Alessandra Musella, Antonietta Gentile, Silvia Bullitta, Diego Fresegna, Helena Sepman, Claudio Di Sanza, Nabila Haji, Francesco Mori, Fabio Buttari, Emerald Perlas, Maria Teresa Ciotti, Eran Hornstein, Irene Bozzoni, Carlo Presutti, Diego Centonze
: MicroRNAs (miRNA) play an important role in post-transcriptional gene regulation of several physiological and pathological processes. In multiple sclerosis (MS), a chronic inflammatory and degenerative disease of the CNS, and in its mouse model, the experimental autoimmune encephalomyelitis (EAE), miRNA dysregulation has been mainly related to immune system dysfunction and white matter (WM) pathology. However, little is known about their role in gray matter pathology. Here, we explored miRNA involvement in the inflammation-driven alterations of synaptic structure and function, collectively known as synaptopathy, a neuropathological process contributing to excitotoxic neurodegeneration in MS/EAE...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28076897/microrna-expression-shows-inflammatory-dysregulation-and-tumor-like-proliferative-responses-in-joints-of-patients-with-post-infectious-lyme-arthritis
#2
Robert B Lochhead, Klemen Strle, Nancy D Kim, Minna J Kohler, Sheila L Arvikar, John M Aversa, Allen C Steere
OBJECTIVE: Lyme arthritis (LA) is caused by infection with Borrelia burgdorferi and usually resolves following spirochetal killing with antibiotics. However, in some patients, arthritis persists after antibiotic therapy. To provide insights into underlying pathogenic processes associated with post-infectious LA, we analyzed differences in microRNA expression between LA patients with active infection compared with those with post-infectious LA. METHODS: MicroRNA expression was assayed in synovial fluid (SF) from LA patients before and after oral and IV antibiotic therapy, and from synovial tissue from post-infectious LA patients obtained months after antibiotic therapy...
January 11, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28073833/exosomal-mir-142-3p-is-increased-during-cardiac-allograft-rejection-and-augments-vascular-permeability-through-down-regulation-of-endothelial-rab11fip2-expression
#3
Ihdina Sukma Dewi, Selvi Celik, Anna Karlsson, Zsuzsanna Hollander, Karen Lam, Janet-Wilson McManus, Scott Tebbutt, Raymond Ng, Paul Keown, Robert McMaster, Bruce McManus, Jenny Öhman, Olof Gidlöf
AIMS: Exosome-mediated microRNA transfer is a recently discovered mode of cell-to-cell communication, in which microRNAs act as paracrine molecules, exerting their regulatory effects in recipient cells. T cells and endothelial cells are two main players in the mechanism of acute cellular cardiac rejection. The aim of this study was to investigate the role of exosomal microRNAs in the crosstalk between T cells and endothelial cells and its implications for the molecular mechanisms that drive acute cellular rejection in heart transplantation...
January 10, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28069592/mir-142-modulates-human-pancreatic-cancer-proliferation-and-invasion-by-targeting-hypoxia-inducible-factor-1-hif-1%C3%AE-in-the-tumor-microenvironments
#4
Yebin Lu, Niandong Ji, Wei Wei, Weijia Sun, Xuejun Gong, Xitao Wang
MicroRNAs regulate most protein-coding genes, including genes important in cancer and other diseases. In our study, we demonstrated that the expression of miR-142 could be significantly suppressed in pancreatic cancer specimens and cell lines, comparing to their adjacent tissues and normal pancreatic cells. Growth and invasion of PANC-1 and SW1990 cells were attenuated by overexpression of miR-142 in vitro With the help of bioinformatics analysis, hypoxia-inducible factor 1 (HIF-1α) was identified to be a direct target of miR-142, and luciferase reporter experiment confirmed this discovery...
January 9, 2017: Biology Open
https://www.readbyqxmd.com/read/28050953/mir-142-3p-as-a-biomarker-of-blastocyst-implantation-failure-a-pilot-study
#5
Edson Borges, Amanda Souza Setti, Daniela P A F Braga, Murilo V Geraldo, Rita de Cássia S Figueira, Assumpto Iaconelli
OBJECTIVE: This study aims to find whether microRNAs (miRNAs) detected in the culture medium of embryos produced in vitro could be potential biomarkers of embryo implantation. METHODS: Culture media samples from 36 embryos, derived from patients undergoing intracytoplasmic sperm injection (ICSI) in a private university-affiliated IVF center, were collected between January/2015 and November/2015. Samples were collected on day three and embryo transfers were performed on day five and all embryos reached the blastocyst stage...
December 1, 2016: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28031239/micrornas-142-3p-mir-155-and-mir-203-are-deregulated-in-gastric-malt-lymphomas-compared-to-chronic-gastritis
#6
Concepción Fernández, Beatriz Bellosillo, Mariana Ferraro, Agustín Seoane, Blanca Sánchez-González, Silvia Pairet, Aina Pons, Luis Barranco, María Carmen Vela, Eva Gimeno, Lluís Colomo, Carles Besses, Alfons Navarro, Antonio Salar
BACKGROUND: Over the last years, our knowledge on pathogenesis of gastric MALT lymphoma has greatly improved, but its morphological diagnosis is still hampered by overlapping histological features with advanced chronic gastritis. MicroRNAs are deregulated in lymphomas, but their role and usefulness in gastric MALT lymphoma has not been extensively investigated. MATERIALS AND METHODS: We analyzed the expression of 384 miRNAs using TaqMan microRNA assay in a training series of 10 gastric MALT lymphomas, 3 chronic gastritis and 2 reactive lymph nodes...
2, 2017: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/28026009/transcriptomic-profiling-of-platelet-senescence-and-platelet-extracellular-vesicles
#7
Annika Pienimaeki-Roemer, Tatiana Konovalova, Melina M Musri, Alexander Sigruener, Alfred Boettcher, Gunter Meister, Gerd Schmitz
BACKGROUND: Platelets (PLTs) are derived from megakaryocytes during PLT shedding. Senescent or activated PLTs are expanded in vascular and neurological diseases and release PLT extracellular vesicles (PL-EVs). A systematic analysis of regular messenger RNA (mRNA) and small RNA composition in PLTs and PL-EVs during in vitro PLT senescence has not yet been published. STUDY DESIGN AND METHODS: We isolated PLTs, total PL-EVs, and PL-EV subsets on Days 0 and 5 from human stored donor platelet concentrates...
January 2017: Transfusion
https://www.readbyqxmd.com/read/28025989/microrna-142-3p-inhibits-hypoxia-reoxygenation%C3%A2-induced-apoptosis-and-fibrosis-of-cardiomyocytes-by-targeting-high-mobility-group-box%C3%A2-1
#8
Yi Wang, Min Ouyang, Qiong Wang, Zaijin Jian
Myocardial ischemia/reperfusion (I/R) injury may cause the apoptosis of cardiomyocytes as well as cardiac fibrosis, which is characterized as the transdifferentiation of fibroblasts to myofibroblasts and collagen deposition. MicroRNAs (miRNAs or miRs) have been demonstrated to be involved in myocardial I/R injury. However, the underlying molecular mechanism remains largely unclear. In the present study, mouse cardiomyocyte M6200 cells were treated with hypoxia/reoxygenation (H/R). Our data indicated that H/R treatment led to cell apoptosis, the increased expression of fibrosis‑related proteins, namely collagen I, II, III, and fibronectin, as well as the downregulation of miR-142-3p in M6200 cells...
November 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27943367/analysis-of-mir-146a-and-mir-142-3p-as-potential-markers-of-freshly-isolated-or-in-vitro-expanded-human-treg-cells
#9
Kim Holmstrøm, Anders Elm Pedersen, Monika Gad
Regulatory CD4+ T cells (Tregs) are pivotal for prevention of autoimmunity. The use of Tregs is therefore of increasing interest in in vitro drug screening assays as well as for a cytotherapy per se against autoimmune disorders. For both purposes, in vitro expansion of peripheral blood Tregs is necessary and there is an increasing need to identify novel markers that can discriminate natural thymic derived Tregs (tTregs) from other T cell subsets and ideally, such markers should be stably expressed during in vitro expansion procedures...
December 10, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27941431/role-of-circulating-micrornas-in-the-immunopathogenesis-of-rejection-following-pediatric-lung-transplantation
#10
Zhongping Xu, Wei Yang, Nancy Steward, Stuart C Sweet, Lara Danziger-Isakov, Peter S Heeger, T Mohanakumar
BACKGROUND: Acute rejection (AR) and development of chronic rejection, bronchiolitis obliterans syndrome (BOS), remain major limiting factors for lung transplantation (LTx). This retrospective study is to identify differentially expressed circulating microRNAs (miRNAs) that associate with development of AR and BOS in pediatric lung transplant recipients (LTxR). METHODS: We determined the circulating levels of 7 selected candidate miRNAs in 14 LTxR with AR, 7 with BOS, and compared them against 13 stable pediatric LTxR at 1, 6, and 12 months following LTx...
December 8, 2016: Transplantation
https://www.readbyqxmd.com/read/27920149/mir-142-3p-is-a-key-regulator-of-il-1%C3%AE-dependent-synaptopathy-in-neuroinflammation
#11
Georgia Mandolesi, Francesca De Vito, Alessandra Musella, Antonietta Gentile, Silvia Bullitta, Diego Fresegna, Helena Sepman, Claudio Di Sanza, Nabila Haji, Francesco Mori, Fabio Buttari, Emerald Perlas, Maria Teresa Ciotti, Eran Hornstein, Irene Bozzoni, Carlo Presutti, Diego Centonze
: MicroRNAs (miRNA) play an important role in posttranscriptional gene regulation of several physiological and pathological processes. In multiple sclerosis (MS), a chronic inflammatory and degenerative disease of the CNS, and in its mouse model, the experimental autoimmune encephalomyelitis (EAE), miRNA dysregulation has been mainly related to immune system dysfunction and white matter pathology. However, little is known about their role in grey matter pathology. Here, we explored miRNA involvement in the inflammation-driven alterations of synaptic structure and function, collectively known as synaptopathy, a neuropathological process contributing to excitotoxic neurodegeneration in MS/EAE...
December 5, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27909218/erythrocyte-survival-is-controlled-by-microrna-142
#12
Natalia Rivkin, Elik Chapnik, Alexander Mildner, Gregory Barshtein, Ziv Porat, Elena Kartvelishvily, Tali Dadosh, Yehudit Birger, Gail Amir, Saul Yedgar, Shai Izraeli, Steffen Jung, Eran Hornstein
Hematopoietic-specific miR-142 is critical regulator of various blood cell lineages, but its role in erythrocytes is unexplored. Here, we characterize miR-142 impact on erythrocyte physiology and molecular cell biology, using a mouse loss of function allele. We report that miR-142 is required for maintaining the typical erythrocyte biconcave shape and structural resilience, for normal metabolism of reactive oxygen species (ROS) and for overall lifespan. miR-142 further controls actin filament homeostasis and membrane skeleton organization...
December 1, 2016: Haematologica
https://www.readbyqxmd.com/read/27894934/mir-142-is-required-for-staphylococcus-aureus-clearance-at-skin-wound-sites-via-small-gtpase-mediated-regulation-of-the-neutrophil-actin-cytoskeleton
#13
Katsuya Tanaka, Sang Eun Kim, Hiroki Yano, Gaku Matsumoto, Ryoma Ohuchida, Yuhoko Ishikura, Masatake Araki, Kimi Araki, Seongjoon Park, Toshimitsu Komatsu, Hiroko Hayashi, Kazuya Ikematsu, Katsumi Tanaka, Akiyoshi Hirano, Paul Martin, Isao Shimokawa, Ryoichi Mori
MicroRNAs (miRNAs) are small noncoding RNAs that regulate protein translation by binding to complementary target mRNAs. We previously identified two mature members of the miR-142 family, miR-142-5p and miR-142-3p, as inflammation-related miRNAs with potential roles in wound healing. Here, we demonstrated that these two miRNAs are prominently expressed in wound-infiltrated neutrophils and macrophages and play central roles in wound healing. We generated miR-142(-/-) mice using the exchangeable gene-trap method and showed that healing of Staphylococcus aureus-infected skin wounds was significantly delayed in miR-142(-/-) mice compared with that in wild-type mice...
November 25, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27884048/microrna-142-is-a-multifaceted-regulator-in-organogenesis-homeostasis-and-disease
#14
REVIEW
A Shrestha, R T Mukhametshina, S Taghizadeh, E Vásquez-Pacheco, H Cabrera-Fuentes, A Rizvanov, B Mari, G Carraro, S Bellusci
Over the last decade, microRNA-142 (miR-142) is emerging as a major regulator of cell fate decision in the hematopoietic system. However, miR-142 is expressed in many other tissues and recent evidence suggest that it may play a more pleiotropic role during embryonic development. In addition, miR-142 has been shown to play important functions in disease. miR-142 displays a functional role in cancer, virus infection, inflammation and immune tolerance. Both a guide strand (miR-142-3p) and passenger strand (miR-142-5p) are generated from the miR-142 hairpin...
November 24, 2016: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/27883021/identification-of-aberrant-trna-halves-expression-patterns-in-clear-cell-renal-cell-carcinoma
#15
Malin Nientiedt, Mario Deng, Doris Schmidt, Sven Perner, Stefan C Müller, Jörg Ellinger
Small non-coding RNAs (sncRNA; <200 nt) regulate various cellular processes and modify gene expression. Under nutritional, biological or physiochemical stress some mature sncRNAs (e.g. tRNAs) are cleaved into halves (30-50 nt) and smaller fragments (18-22 nt); the significance and functional role of these tRNA fragments is unknown, but their existence has been linked to carcinogenesis. We used small RNA sequencing to determine the expression of sncRNAs. Subsequently the findings were validated for miR-122-5p, miR-142-3p and 5'tRNA4-Val-AAC using qPCR...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27870736/lidocaine-administration-controls-micrornas-alterations-observed-after-lung-ischemia-reperfusion-injury
#16
Lisa Rancan, Carlos Simón, Emmeline Marchal-Duval, Javier Casanova, Sergio Damian Paredes, Alberto Calvo, Cruz García, David Rincón, Agustín Turrero, Ignacio Garutti, Elena Vara
BACKGROUND: Ischemia-reperfusion injury (IRI) is associated with morbidity and mortality. MicroRNAs (miRNAs) have emerged as regulators of IRI, and they are involved in the pathogenesis of organ rejection. Lidocaine has proven anti-inflammatory activity in several tissues but its modulation of miRNAs has not been investigated. This work aims to investigate the involvement of miRNAs in lung IRI in a lung auto-transplantation model and to investigate the effect of lidocaine. METHODS: Three groups (sham, control, and Lidocaine), each comprising 6 pigs, underwent a lung autotransplantation...
December 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27852285/elevated-expression-of-mir-142-3p-is-related-to-the-pro-inflammatory-function-of-monocyte-derived-dendritic-cells-in-sle
#17
Yilun Wang, Jun Liang, Haihong Qin, Yan Ge, Juan Du, Jinran Lin, Xiaohua Zhu, Jie Wang, Jinhua Xu
BACKGROUND: Recent studies have shown that alterations in the function of dendritic cells (DCs) are involved in the pathogenesis of systemic lupus erythematosus (SLE). However, the mechanism of the alteration remains unclear. METHODS: We cultured monocyte-derived DCs (moDCs) in vitro and examined the cytokines and chemokines in the supernatants of moDCs in negative controls (NC) and SLE patients in active phase. We then profiled microRNAs (miRNAs) of LPS-stimulated moDCs in SLE patients and used real-time PCR to verify the differentially expressed miRNAs...
November 16, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27829233/mir-142-inhibits-the-development-of-cervical-cancer-by-targeting-hmgb1
#18
Daqiong Jiang, Huiyan Wang, Zhuyan Li, Zhen Li, Xin Chen, Hongbing Cai
It has been reported that miRNAs is deregulated in diverse human cancers, involving human cervical cancer. However, the clinical significances and potential mechanisms of miR-142 in the development and progression of cervical cancer were not elucidated completely till now. In this study, we found that the expression of miR- 142 was obviously down-regulated in human cervical cancer tissues and a panel of cell lines. According to statistics, the expression of miR-142 was negatively related to advanced FIGO stage and lymphatic metastasis (p < 0...
November 5, 2016: Oncotarget
https://www.readbyqxmd.com/read/27821865/identification-of-suitable-reference-gene-and-biomarkers-of-serum-mirnas-for-osteoporosis
#19
Jian Chen, Kai Li, Qianqian Pang, Chao Yang, Hongyu Zhang, Feng Wu, Hongqing Cao, Hongju Liu, Yumin Wan, Weibo Xia, Jinfu Wang, Zhongquan Dai, Yinghui Li
Our objective was to identify suitable reference genes in serum miRNA for normalization and screen potential new biomarkers for osteoporosis diagnosis by a systematic study. Two types of osteoporosis models were used like as mechanical unloading and estrogen deficiency. Through a large-scale screening using microarray, qPCR validation and statistical algorithms, we first identified miR-25-3p as a suitable reference gene for both type of osteoporosis, which also showed stability during the differentiation processes of osteoblast and osteoclast...
November 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27802180/the-aberrant-expression-of-micrornas-and-correlations-with-t-cell-subsets-in-patients-with-immune-thrombocytopenia
#20
Lu Liu, Mingqiang Hua, Chuanfang Liu, Na He, Zhao Li, Daoxin Ma
Both microRNAs and T helper (Th) cells involve in autoimmune diseases and their effects and interactions in immune thrombocytopenia (ITP) remain unclear. In the present study, we investigated the expression profiles of seven immune-related microRNAs (miR-155, 146a, 326, 142-3p, 17-5p, 21 and 181a) and the frequencies of four Th cells (Th1, Th2, Th17 and Treg) in peripheral blood mononuclear cell (PBMCs) of ITP patients and healthy controls. Platelet autoantibodies specific for GPIIb/IIIa or GPIb/IX were measured using MAIPA method...
October 27, 2016: Oncotarget
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