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microRNA 19

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https://www.readbyqxmd.com/read/29215815/plasma-microrna-21-26a-and-29a-3p-as-predictive-markers-for-treatment-response-following-transarterial-chemoembolization-in-patients-with-hepatocellular-carcinoma
#1
Soon Sun Kim, Hyo Jung Cho, Ji Sun Nam, Hyun Ji Kim, Dae Ryong Kang, Je Hwan Won, Jinoo Kim, Jai Keun Kim, Jei Hee Lee, Bo Hyun Kim, Mi Young Lee, Sung Won Cho, Jae Youn Cheong
BACKGROUND: We investigated an association between the levels of plasma microRNA (miRNA)-21, -26a, and -29a-3p and treatment outcomes following transarterial chemoembolization (TACE) in patients with hepatocellular carcinoma (HCC). METHODS: A total of 198 patients with TACE-treated HCC were followed up for TACE refractoriness and liver transplantation (LT)-free survival. Pretreatment plasma miRNA-21, -26a, and -29a-3p levels were measured using quantitative real-time polymerase chain reaction...
January 1, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29207015/human-amniotic-epithelial-cells-regulate-osteoblast-differentiation-through-the-secretion-of-tgf%C3%AE-1-and-microrna-34a-5p
#2
Guiling Wang, Feng Zhao, Di Yang, Jing Wang, Lihong Qiu, Xining Pang
Since the beginning of the use of stem cells in tissue regenerative medicine, there has been a search for optimal sources of stem cells. Human amniotic epithelial cells (hAECs) are derived from human amnions, which are typically discarded as medical waste, but were recently found to include cells with trilineage differentiation potential in vitro. Previous study has focused on the osteogenic differentiation ability of hAECs as seed cells in bone regeneration; however, their paracrine effects on osteoblasts (OBs) are yet to be elucidated...
November 17, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29197999/remote-ischemic-preconditioning-upregulates-microrna-21-to-protect-the-kidney-in-children-with-congenital-heart-disease-undergoing-cardiopulmonary-bypass
#3
Zhijuan Kang, Zhihui Li, Peng Huang, Jinwen Luo, Pingbo Liu, Ying Wang, Tuanhong Xia, Yuhang Zhou
BACKGROUND: Acute kidney injury (AKI) is one of the most common emergencies and severe diseases in the clinic. We sought to verify whether remote ischemic preconditioning (RIPC) has a protective effect on the kidney of child with congenital heart disease undergoing cardiopulmonary bypass (CPB) surgery. We hypothesized it may be related to the up-regulation of microRNA-21 (miR-21). METHODS: We performed a prospective randomized clinical study among children with congenital heart disease undergoing CPB surgery between January and December 2016...
December 2, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29196869/circulating-levels-of-specific-members-of-chromosome-19-microrna-cluster-are-associated-with-preeclampsia-development
#4
Margarita L Martinez-Fierro, Idalia Garza-Veloz, Cristina Gutierrez-Arteaga, Ivan Delgado-Enciso, Olga Y Barbosa-Cisneros, Virginia Flores-Morales, Gloria P Hernandez-Delgadillo, Maria R Rocha-Pizaña, Iram P Rodriguez-Sanchez, Jose I Badillo-Almaraz, Jose M Ortiz-Rodriguez, Rodrigo Castañeda-Miranda, Luis O Solis-Sanchez, Yolanda Ortiz-Castro
PURPOSE: To perform serum microRNA expression profiling to identify members of chromosome 19 miRNA cluster involved in preeclampsia development. METHODS: Serum chromosome 19 miRNA cluster microRNA expression profiling was evaluated at 12, 16, and 20 gestational weeks and at the time of preeclampsia diagnosis, in women who developed preeclampsia (WWD-PE; n = 16) and controls (n = 18) using TaqMan low density array plates. RESULTS: A total of 51 chromosome 19 microRNA cluster members were evaluated...
December 1, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29192413/dysregulation-of-micrornas-in-triple-negative-breast-cancer
#5
Sylwia Paszek, Natalia Gabło, Edyta Barnaś, Małgorzata Szybka, Jan Morawiec, Agnieszka Kołacińska, Izabela Zawlik
OBJECTIVES: Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer with limited treatment options and poor prognosis. TNBC is usually diagnosed at a relatively young age and is characterized by high risk of developing metastases. Some epigenetic regulation of gene expression is associated with TNBC. Expression of microRNAs (miRNAs) can serve as a potential tool for identifying critical biomarkers in TNBC. The aim of our study is to examine expression of selected miRNAs in TNBC and to assess the relationship between miRNA expression and clinicopathological factors...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/29188800/chip-based-digital-pcr-as-a-novel-detection-method-for-quantifying-micrornas-in-acute-myocardial-infarction-patients
#6
Samuel Robinson, Marie Follo, David Haenel, Maximilian Mauler, Daniela Stallmann, Lukas Andreas Heger, Thomas Helbing, Daniel Duerschmied, Karlheinz Peter, Christoph Bode, Ingo Ahrens, Marcus Hortmann
miRNAs have shown promise as potential biomarkers for acute myocardial infarction (AMI). However, the current used quantitative real-time PCR (qRT-PCR) allows solely for relative expression of nucleic acids and it is susceptible to day-to-day variability, which has limited the validity of using the miRNAs as biomarkers. In this study we explored the technical qualities and diagnostic potential of a new technique, chip-based digital PCR, in quantifying the miRNAs in patients with AMI and ischaemia-reperfusion injury (I/R)...
November 30, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29182561/analysis-of-microrna-expression-in-newborns-with-differential-birth-weight-using-newborn-screening-cards
#7
Patricia Rodil-Garcia, Elvira Del Carmen Arellanes-Licea, Angélica Montoya-Contreras, Luis A Salazar-Olivo
Birth weight is an early predictor for metabolic diseases and microRNAs (miRNAs) are proposed as fetal programming participants. To evaluate the use of dried blood spots (DBS) on newborn screening cards (NSC) as a source of analyzable miRNAs, we optimized a commercial protocol to recover total miRNA from normal birth weight (NBW, n = 17-20), low birth weight (LBW, n = 17-20) and high birth weight (macrosomia, n = 17-20) newborns and analyzed the relative expression of selected miRNAs by stem-loop RT-qPCR. The possible role of miRNAs on the fetal programming of metabolic diseases was explored by bioinformatic tools...
November 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29158814/dna-methylation-of-mir-7-is-a-mechanism-involved-in-platinum-response-through-mafg-overexpression-in-cancer-cells
#8
Olga Vera, Julia Jimenez, Olga Pernia, Carlos Rodriguez-Antolin, Carmen Rodriguez, Fatima Sanchez Cabo, Javier Soto, Rocio Rosas, Sara Lopez-Magallon, Isabel Esteban Rodriguez, Ana Dopazo, Federico Rojo, Cristobal Belda, Rafael Alvarez, Jaime Valentin, Javier Benitez, Rosario Perona, Javier De Castro, Inmaculada Ibanez de Caceres
One of the major limitations associated with platinum use is the resistance that almost invariably develops in different tumor types. In the current study, we sought to identify epigenetically regulated microRNAs as novel biomarkers of platinum resistance in lung and ovarian cancers, the ones with highest ratios of associated chemo-resistance. Methods: We combined transcriptomic data from microRNA and mRNA under the influence of an epigenetic reactivation treatment in a panel of four paired cisplatin -sensitive and -resistant cell lines, followed by real-time expression and epigenetic validations for accurate candidate selection in 19 human cancer cell lines...
2017: Theranostics
https://www.readbyqxmd.com/read/29157225/identification-of-drought-responsive-mirnas-and-physiological-characterization-of-tea-plant-camellia-sinensis-l-under-drought-stress
#9
Yuqiong Guo, Shanshan Zhao, Chen Zhu, Xiaojun Chang, Chuan Yue, Zhong Wang, Yuling Lin, Zhongxiong Lai
BACKGROUND: Drought stress is one of the major natural challenges in the main tea-producing regions of China. The tea plant (Camellia sinensis) is a traditional beverage plant whose growth status directly affects tea quality. Recent studies have revealed that microRNAs (miRNAs) play key functions in plant growth and development. Although some miRNAs have been identified in C. sinensis, little is known about their roles in the drought stress response of tea plants. RESULTS: Physiological characterization of Camellia sinensis 'Tieguanyin' under drought stress showed that the malondialdehyde concentration and electrical conductivity of leaves of drought-stressed plants increased when the chlorophyll concentration decreased under severe drought stress...
November 21, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29151691/parallel-mrna-proteomics-and-mirna-expression-analysis-in-cell-line-models-of-the-intestine
#10
Finbarr O'Sullivan, Joanne Keenan, Sinead Aherne, Fiona O'Neill, Colin Clarke, Michael Henry, Paula Meleady, Laura Breen, Niall Barron, Martin Clynes, Karina Horgan, Padraig Doolan, Richard Murphy
AIM: To identify miRNA-regulated proteins differentially expressed between Caco2 and HT-29: two principal cell line models of the intestine. METHODS: Exponentially growing Caco-2 and HT-29 cells were harvested and prepared for mRNA, miRNA and proteomic profiling. mRNA microarray profiling analysis was carried out using the Affymetrix GeneChip Human Gene 1.0 ST array. miRNA microarray profiling analysis was carried out using the Affymetrix Genechip miRNA 3.0 array...
November 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29142594/micrornas-a-subpopulation-of-regulators-are-involved-in-breast-cancer-progression-through-regulating-breast-cancer-stem-cells
#11
Xuemei Fan, Wei Chen, Ziyi Fu, Lihua Zeng, Yongmei Yin, Hongyan Yuan
Cancer stem cells (CSCs; also known as tumor-initiating cells) are essential effectors of tumor progression due to their self-renewal capacity, differentiation potential, tumorigenic ability and resistance to chemotherapy, all of which contribute to cancer relapse, metastasis and a poor prognosis. Breast cancer stem cells (BCSCs) have been identified to be involved in the processes of BC initiation, growth and recurrence. MicroRNAs (miRNAs) are a class of non-coding small RNAs of 19-23 nucleotides in length that regulate gene expression at the post-transcriptional level through various mechanisms, and serve critical roles in cancer progression...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29141233/mirnome-profiling-of-purified-endoderm-and-mesoderm-differentiated-from-hescs-reveals-functions-of-mir-483-3p-and-mir-1263-for-cell-fate-decisions
#12
Daichi Ishikawa, Ulf Diekmann, Jan Fiedler, Annette Just, Thomas Thum, Sigurd Lenzen, Ortwin Naujok
Pluripotent stem cells hold great promise for regenerative medicine since they can differentiate into all somatic cells. MicroRNAs (miRNAs) could be important for the regulation of these cell-fate decisions. Profiling of miRNAs revealed 19 differentially expressed miRNAs in the endoderm and 29 in the mesoderm when analyzing FACS-purified cells derived from human embryonic stem cells. The mesodermal-enriched miR-483-3p was identified as an important regulator for the generation of mesodermal PDGFRA(+) paraxial cells...
November 14, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/29128636/identification-of-key-micrornas-associated-with-diffuse-large-b-cell-lymphoma-by-analyzing-serum-microrna-expressions
#13
Yuanyuan Meng, Lina Quan, Aichun Liu
PURPOSE: This study aimed to investigate the molecular mechanism underlying diffuse large B-cell lymphoma (DLBCL). METHODS: Serum miRNA expression analysis for the serum samples of patients with DLBCL and those of controls was performed using the Illumina sequencing technology. Differentially expressed miRNAs (DEMs) were identified on the basis of the sequencing data. The Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses and protein-protein interaction (PPI) network construction for the target genes of DEMs were also conducted...
November 8, 2017: Gene
https://www.readbyqxmd.com/read/29122948/microrna-regulation-of-type-2-innate-lymphoid-cell-homeostasis-and-function-in-allergic-inflammation
#14
Priti B Singh, Heather H Pua, Hannah C Happ, Christoph Schneider, Jakob von Moltke, Richard M Locksley, Dirk Baumjohann, K Mark Ansel
MicroRNAs (miRNAs) exert powerful effects on immunity through coordinate regulation of multiple target genes in a wide variety of cells. Type 2 innate lymphoid cells (ILC2s) are tissue sentinel mediators of allergic inflammation. We established the physiological requirements for miRNAs in ILC2 homeostasis and immune function and compared the global miRNA repertoire of resting and activated ILC2s and T helper type 2 (TH2) cells. After exposure to the natural allergen papain, mice selectively lacking the miR-17∼92 cluster in ILC2s displayed reduced lung inflammation...
November 9, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29118269/genetic-architecture-and-regulatory-impact-on-hepatic-microrna-expression-linked-to-immune-and-metabolic-traits
#15
Siriluck Ponsuksili, Nares Trakooljul, Frieder Hadlich, Fiete Haack, Eduard Murani, Klaus Wimmers
Regulation of microRNA (miRNA) expression contributes to a wide range of target gene expression and phenotypes. The miRNA expression in the liver, the central metabolic organ, was examined in 209 pigs, and integrated with haematological and clinical biomarkers of metabolic and overall health, mRNA-target expression levels and single-nucleotide polymorphism (SNP) genotypes. The expression levels of 426 miRNA species correlated with plasma haematological or biochemical traits (r² = |0.19-0.45|, false discovery rate < 5%)...
November 2017: Open Biology
https://www.readbyqxmd.com/read/29117550/microrna-regulation-of-nachr-expression-and-nicotine-dependent-behavior-in-c-%C3%A2-elegans
#16
Manish Rauthan, Jianke Gong, Jinzhi Liu, Zhaoyu Li, Seth A Wescott, Jianfeng Liu, X Z Shawn Xu
Chronic exposure to nicotine upregulates nicotinic acetylcholine receptors (nAChRs), and such upregulation is critical for the development of nicotine dependence in humans and animal models. However, how nicotine upregulates nAChRs is not well understood. Here, we identify a key role for microRNA in regulating nicotine-dependent behavior by modulating nAChR expression in C. elegans. We show that the nAChR gene acr-19 and alg-1, a key Argonaute-family member in the microRNA machinery, are specifically required for nicotine withdrawal response following chronic nicotine treatment...
November 7, 2017: Cell Reports
https://www.readbyqxmd.com/read/29115490/microrna%C3%A2-206-contributes-to-the-progression-of-steroid%C3%A2-induced-avascular-necrosis-of-the-femoral-head-by-inducing-osteoblast-apoptosis-by-suppressing-programmed-cell-death-4
#17
Zaiheng Zhang, Anmin Jin, Denglu Yan
The expression of microRNA‑206 (miR‑206) is aberrantly induced in steroid‑induced avascular necrosis of femoral head (SANFH). Therefore, investigating the function of miR‑206 in SANFH and uncovering the functional mechanism associated with the condition will promote the understanding and treatment of the disease. The purpose of the present study was to investigate the pro‑osteoclasteogenic effect of miR‑206 that occurs through regulation of programmed cell death 4 (PDCD4). The expression of miR‑206 and PDCD4 was analyzed in the clinical SANFH specimens...
November 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29112225/global-and-targeted-circulating-microrna-profiling-of-colorectal-adenoma-and-colorectal-cancer
#18
Jinhua Zhang, Gottumakkala S Raju, David W Chang, Shu-Hong Lin, Zhinan Chen, Xifeng Wu
BACKGROUND: Circulating microRNAs (miRNAs) are emerging as promising biomarkers for cancer. The objective of the current study was to investigate the potential of circulating cell-free miRNAs as biomarkers for colorectal cancer (CRC) and its precursor lesion, colorectal adenoma. METHODS: The serum levels of 800 miRNAs were assessed in a discovery set of 21 patients with CRC, 19 patients with adenoma, and 21 healthy controls using the NanoString miRNA analysis platform...
November 7, 2017: Cancer
https://www.readbyqxmd.com/read/29107290/an-unbiased-silencing-screen-in-muscle-cells-identifies-mir-320a-mir-150-mir-196b-and-mir-34c-as-regulators-of-skeletal-muscle-mitochondrial-metabolism
#19
Dennis Dahlmans, Alexandre Houzelle, Pénélope Andreux, Johanna A Jörgensen, Xu Wang, Leon J de Windt, Patrick Schrauwen, Johan Auwerx, Joris Hoeks
OBJECTIVE: Strategies improving skeletal muscle mitochondrial capacity are commonly paralleled by improvements in (metabolic) health. We and others previously identified microRNAs regulating mitochondrial oxidative capacity, but data in skeletal muscle are limited. Therefore, the present study aimed to identify novel microRNAs regulating skeletal muscle mitochondrial metabolism. METHODS AND RESULTS: We conducted an unbiased, hypothesis-free microRNA silencing screen in C2C12 myoblasts, using >700 specific microRNA inhibitors, and investigated a broad panel of mitochondrial markers...
November 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29093367/-novel-anticancer-strategy-targeting-switch-mechanisms-in-two-types-of-cell-death-necrosis-and-apoptosis
#20
Akira Sato
 Two types of cell death, necrosis and apoptosis, are defined in terms of cell death morphological features. We have been studying the mechanisms by which cell death processes are switched during the treatment of mouse tumor FM3A with anticancer, 5-fluoro-2'-deoxyuridine (FUdR): it induces original clone F28-7 to necrosis, but its sub-clone F28-7-A to apoptosis. We identified several such switch regulators of cell death: heat shock protein 90 (HSP90), lamin-B1, cytokeratin-19, and activating transcription factor 3 (ATF3), by using transcriptomic, proteomic analyses and siRNA screening...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
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