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https://www.readbyqxmd.com/read/28197171/genome-wide-microrna-binding-site-variation-between-extinct-wild-aurochs-and-modern-cattle-identifies-candidate-microrna-regulated-domestication-genes
#1
Martin Braud, David A Magee, Stephen D E Park, Tad S Sonstegard, Sinead M Waters, David E MacHugh, Charles Spillane
The domestication of cattle from the now-extinct wild aurochs (Bos primigenius) involved selection for physiological and behavioral traits, with underlying genetic factors that remain largely unknown. Non-coding microRNAs have emerged as key regulators of the spatio-temporal expression of target genes controlling mammalian growth and development, including in livestock species. During the domestication process, selection of mutational changes in miRNAs and/or miRNA binding sites could have provided a mechanism to generate some of the traits that differentiate domesticated cattle from wild aurochs...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28192093/the-roles-of-hippocampal-micrornas-in-response-to-acute-postnatal-exposure-to-di-2-ethylhexyl-phthalate-in-female-and-male-rats
#2
Bryan E Luu, Stuart R Green, Christine L Childers, Matthew R Holahan, Kenneth B Storey
Previous studies have shown that di(2-ethylhexyl) phthalate (DEHP) exposure impairs the normal development of pre- and post-synaptic elements of the male, but not female, rat hippocampus. While males seem to be vulnerable to the neurodevelopmental deficits resulting from DEHP exposure, females appear to show a protective response. The purpose of the present study was to characterize hippocampal microRNAs in female and male rats exposed to DEHP to assess whether any patterns emerged that would be consistent with vulnerability in males and resilience in females...
February 9, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28168424/characterization-of-dysregulated-mirna-in-peripheral-blood-mononuclear-cells-from-ischemic-stroke-patients
#3
Marpe Bam, Xiaoming Yang, Souvik Sen, Elizabeth E Zumbrun, Lauren Dennis, Jiajia Zhang, Prakash S Nagarkatti, Mitzi Nagarkatti
Epigenetic modification may play an important role in pathophysiology of ischemic stroke (IS) risk. MicroRNAs (miRNAs), which constitute one of the modes of epigenetic regulation, have been shown to be associated with a number of clinical disorders including IS. The purpose of this study was to investigate the miRNA profile in the peripheral blood mononuclear cells (PBMCs) of IS patients and compare it with stroke-free controls. Blood samples were obtained from 19 healthy age-gender-race matched individuals who served as controls to 20 IS patients...
February 6, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28164670/prognostic-value-of-expression-of-micrornas-in-non-small-cell-lung-cancer-a-systematic-review-and-meta-analysis
#4
Bingxiang Zhan, Dapeng Lu, Peng Luo, Baolong Wang
BACKGROUND: microRNAs are widely involved in a variety of life processes and considered as potential biomarkers of tumor prognosis. A growing number of studies have documented that miRNAs were associated with outcome in NSCLC patients and can act as a prognostic marker. However, existing studies concerning the relationship between miRNAs and outcome in NSCLC patients were contentious and dispersive. Therefore, a systematic metaanalysis to explore the prognostic value of miRNAs on NSCLC patients is urgently needed...
November 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28164567/the-prognostic-value-of-plasma-microrna-155-and-microrna-146a-level-in-severe-sepsis-and-sepsis-induced-acute-lung-injury-patients
#5
Yan Han, Yong Li, Ying Jiang
BACKGROUND: Sepsis induced acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are lifethreatening disorders. Acute Physiology and Chronic Health Evaluation (APACHE) scores and several plasma biological markers have been identified to predict the death or treatment outcome of sepsis induced ALI. Immune related microRNAs also have the potential as biomarkers to monitor this kind of disease. METHODS: A total of 44 patients with severe sepsis, 102 patients with sepsis, and 19 healthy volunteers were enrolled in this study...
December 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28159920/tgfbeta-and-mirna-regulation-in-familial-and-sporadic-breast-cancer
#6
Katia Danza, Simona De Summa, Rosamaria Pinto, Brunella Pilato, Orazio Palumbo, Massimo Carella, Ondina Popescu, Maria Digennaro, Rosanna Lacalamita, Stefania Tommasi
The term 'BRCAness' was introduced to identify sporadic malignant tumors sharing characteristics similar to those germline BRCA-related. Among all mechanisms attributable to BRCA1 expression silencing, a major role has been assigned to microRNAs. MicroRNAs role in familial and sporadic breast cancer has been explored but few data are available about microRNAs involvement in homologous recombination repair control in these breast cancer subgroups. Our aim was to seek microRNAs associated to pathways underlying DNA repair dysfunction in breast cancer according to a family history of the disease...
January 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28158925/mirnas-in-human-subcutaneous-adipose-tissue-effects-of-weight-loss-induced-by-hypocaloric-diet-and-exercise
#7
Malene M Kristensen, Peter K Davidsen, Andreas Vigelsø, Christina N Hansen, Lars J Jensen, Niels Jessen, Jens M Bruun, Flemming Dela, Jørn W Helge
OBJECTIVE: Obesity is central in the development of insulin resistance. However, the underlying mechanisms still need elucidation. Dysregulated microRNAs (miRNAs; post-transcriptional regulators) in adipose tissue may present an important link. METHODS: The miRNA expression in subcutaneous adipose tissue from 19 individuals with severe obesity (10 women and 9 men) before and after a 15-week weight loss intervention was studied using genome-wide microarray analysis...
February 3, 2017: Obesity
https://www.readbyqxmd.com/read/28146445/risk-of-cholangiocarcinoma-in-patients-with-primary-sclerosing-cholangitis-diagnosis-and-surveillance
#8
Hanno Ehlken, Roman Zenouzi, Christoph Schramm
PURPOSE OF REVIEW: Primary sclerosing cholangitis (PSC) is associated with an increased risk of hepatobiliary and extrahepatic malignancy. Particularly the risk of cholangiocarcinoma (CCA) is greatly increased. To provide potentially curative treatments for affected patients an early diagnosis of CCA is crucial. We here review the current advances with respect to CCA diagnosis and surveillance and discuss a rational approach on how to perform surveillance of CCA in PSC patients. RECENT FINDINGS: Given the shortcomings of the current modalities for the surveillance and diagnosis of CCA in PSC, recent studies have focused on novel biomarkers for CCA...
March 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28138089/significance-of-3-utr-and-pathogenic-haplotype-in-glucose-6-phosphate-deficiency
#9
Mallika Chaowanathikhom, Pornlada Nuchnoi, Duangdao Palasuwan
OBJECTIVE: To determine the polymorphisms in the 3' untranslated region (3'UTR) of the G6PD gene and analyze the specific SNPs or haplotypes that may affect messenger RNA (mRNA) secondary structure by in silico analysis. METHODS: We studied the 3'UTR polymorphisms in 107 healthy subjects living in Thailand (ethnicities unknown). The haplotype was analyzed using Haploview software. mRNA secondary structure and microRNA binding of the G6PD gene were predicted by use of the CLC Main Workbench 6...
February 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28127557/mir-222-in-cardiovascular-diseases-physiology-and-pathology
#10
REVIEW
Shengguang Ding, Haitao Huang, Yiming Xu, Hao Zhu, Chongjun Zhong
MicroRNAs (miRNAs and miRs) are endogenous 19-22 nucleotide, small noncoding RNAs with highly conservative and tissue specific expression. They can negatively modulate target gene expressions through decreasing transcription or posttranscriptional inducing mRNA decay. Increasing evidence suggests that deregulated miRNAs play an important role in the genesis of cardiovascular diseases. Additionally, circulating miRNAs can be biomarkers for cardiovascular diseases. MiR-222 has been reported to play important roles in a variety of physiological and pathological processes in the heart...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28125614/micrornas-mir-23a-3p-and-mir-151-3p-are-regulated-in-dentate-gyrus-neuropil-following-induction-of-long-term-potentiation-in-vivo
#11
Brigid Ryan, Barbara J Logan, Wickliffe C Abraham, Joanna M Williams
Translation of synaptic mRNA contributes to alterations in the proteome necessary to consolidate long-term potentiation (LTP), a model of memory processes. Yet, how this process is controlled is not fully resolved. MicroRNAs are non-coding RNAs that negatively regulate gene expression by suppressing translation or promoting mRNA degradation. As specific microRNAs are synaptically located, we hypothesized that they are ideally suited to couple synaptic activation, translational regulation, and LTP persistence...
2017: PloS One
https://www.readbyqxmd.com/read/28124096/defective-germinal-center-b-cell-response-and-reduced-arthritic-pathology-in-microrna-29a-deficient-mice
#12
Annemarie van Nieuwenhuijze, James Dooley, Stéphanie Humblet-Baron, Jayasree Sreenivasan, Marije Koenders, Susan M Schlenner, Michelle Linterman, Adrian Liston
MicroRNA (miR) are short non-coding RNA sequences of 19-24 nucleotides that regulate gene expression by binding to mRNA target sequences. The miR-29 family of miR (miR-29a, b-1, b-2 and c) is a key player in T-cell differentiation and effector function, with deficiency causing thymic involution and a more inflammatory T-cell profile. However, the relative roles of different miR-29 family members in these processes have not been dissected. We studied the immunological role of the individual members of the miR-29 family using mice deficient for miR-29a/b-1 or miR-29b-2/c in homeostasis and during collagen-induced arthritis...
January 25, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28123850/microrna-101-inhibits-proliferation-migration-and-invasion-in-osteosarcoma-cells-by-targeting-rock1
#13
Rui Jiang, Chao Zhang, Guangyao Liu, Rui Gu, Han Wu
Osteosarcoma is a rare malignant bone tumor in adolescents, with high degree of malignancy, and highly incidence of recurrence and metastasis. Our study aimed to explore the role of miR-101 in osteosarcoma cells by targeting ROCK1. In the present study, reverse transcription-quantitative polymerase chain reaction data revealed that miR-101 was down-regulated in the tissue samples of 20 patients with osteosarcoma compared with their matched adjacent non-tumor tissues (P < 0.01). Furthermore, miR-101 was significantly down-regulated in three common OS cell lines, MG63, U2OS, and OS732 compared with the human osteoblast cell line, hFOB1...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28122634/integrated-genome-wide-analysis-of-expression-quantitative-trait-loci-aids-interpretation-of-genomic-association-studies
#14
Roby Joehanes, Xiaoling Zhang, Tianxiao Huan, Chen Yao, Sai-Xia Ying, Quang Tri Nguyen, Cumhur Yusuf Demirkale, Michael L Feolo, Nataliya R Sharopova, Anne Sturcke, Alejandro A Schäffer, Nancy Heard-Costa, Han Chen, Po-Ching Liu, Richard Wang, Kimberly A Woodhouse, Kahraman Tanriverdi, Jane E Freedman, Nalini Raghavachari, Josée Dupuis, Andrew D Johnson, Christopher J O'Donnell, Daniel Levy, Peter J Munson
BACKGROUND: Identification of single nucleotide polymorphisms (SNPs) associated with gene expression levels, known as expression quantitative trait loci (eQTLs), may improve understanding of the functional role of phenotype-associated SNPs in genome-wide association studies (GWAS). The small sample sizes of some previous eQTL studies have limited their statistical power. We conducted an eQTL investigation of microarray-based gene and exon expression levels in whole blood in a cohort of 5257 individuals, exceeding the single cohort size of previous studies by more than a factor of 2...
January 25, 2017: Genome Biology
https://www.readbyqxmd.com/read/28121346/the-diagnostic-and-prognostic-values-of-microrna-21-in-patients-with-gastric-cancer-a-meta-analysis
#15
J Ren, T-H Kuang, J Chen, J-W Yang, Y-X Liu
OBJECTIVE: Previous studies demonstrated the pivotal role of miR-21 in the pathogenesis and progression of gastric cancer. This meta-analysis was designed to confirm the diagnostic and prognostic value of microRNA-21 (miR-21) in gastric cancer and to investigate the influence of samples on the results of miR-21 detection. MATERIALS AND METHODS: A literature search was conducted in PubMed and Embase databases up to August 2016. The pooled sensitivity, specificity, positive likelihood ratio (PLR), negative likelihood ratio (NLR), diagnostic odds ratio (DOR), and area under the summary receiver-operating characteristic (AUC) were calculated by Meta-Disc (version 14...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28119530/decreased-lipid-metabolism-but-increased-fa-biosynthesis-are-coupled-with-changes-in-liver-micrornas-in-obese-subjects-with-nafld
#16
J Latorre, J M Moreno-Navarrete, J M Mercader, M Sabater, Ò Rovira, J Gironès, W Ricart, J M Fernández-Real, F J Ortega
BACKGROUND/OBJECTIVE: Many controversies regarding the association of liver miRNAs with obesity and nonalcoholic fatty liver diseases (NAFLD) call for additional validations. This study sought to investigate variations in genes and hepatic miRNAs in a sample of obese patients with or without NAFLD and human hepatocytes. SUBJECTS/METHODS: Sixty non-consecutive obese women following bariatric surgery were recruited. Subjects were classified as NAFLD (n=17), borderline (n=24), and controls (n=19) with normal enzymatic profile, liver histology, and ultrasound assessments...
January 25, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28110479/epigallocatechin-3-o-gallate-modulates-global-microrna-expression-in-interleukin-1%C3%AE-stimulated-human-osteoarthritis-chondrocytes-potential-role-of-egcg-on-negative-co-regulation-of-microrna-140-3p-and-adamts5
#17
Zafar Rasheed, Naila Rasheed, Osama Al-Shaya
PURPOSE: MicroRNAs (miRNAs) are short, non-coding RNAs involved in almost all cellular processes. Epigallocatechin-3-O-gallate (EGCG) is a green tea polyphenol and is known to exert anti-arthritic effects by inhibiting genes associated with osteoarthritis (OA). This study was undertaken to investigate the global effect of EGCG on interleukin-1β (IL-1β)-induced expression of miRNAs in human chondrocytes. METHODS: Human chondrocytes were derived from OA cartilage and then treated with EGCG and IL-1β...
January 21, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28109866/microrna-214-inhibits-the-osteogenic-differentiation-of-human-osteoblasts-through-the-direct-regulation-of-baculoviral-iap-repeat-containing-7
#18
Jianmin Liu, Yan Li, Ming Luo, Zhi Yuan, Jian Liu
Osteoblasts and osteoclasts coordinate to monitor the dynamic osteogenic balance between bone formation and bone resorption. Hence, an investigation of the regulatory mechanisms underlying osteogenic osteoblast differentiation will provide more methods for bone repair and bone regeneration. In the present study, human osteoblast hFOB 1.19 cells were cultured. MicroRNA-214 (miR-214) expression significantly down-regulated during the osteogenic differentiation of hFOB 1.19 cells. In addition, miR-214 overexpression by miR-214 precursor transfection markedly inhibited the expression of alkaline phosphatase (ALP), collagen type I α1 (col1α1) and runt-related transcription factor 2 (Runx2), which concomitantly decreased ALP activity and the number of mineralized nodules but promoted the expression of signal transducer and activator of transcription 1 (STAT1), an osteogenesis blocker...
February 15, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28103994/-analysis-of-microrna-expression-profile-in-serum-of-patients-with-electrical-burn-or-thermal-burn
#19
Q F Ruan, M J Jiang, Z Q Ye, C L Zhao, W G Xie
Objective: To explore the differential expression of microRNAs in the serum among patients with electrical burn or thermal burn and healthy persons and to explore the significance. Methods: In this study we included three patients with electrical burn and three patients with thermal burn, conforming to the inclusion criteria and hospitalized in our burn ward from June to August 2015, and three healthy adult volunteers. Their serum samples were separated from whole blood and divided into electrical burn group, thermal burn group, and normal control group...
January 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28103790/microrna-146a-rs2910164-is-associated-with-severe-preeclampsia-in-black-south-african-women-on-haart
#20
Niren Ray Maharaj, Prithiksha Ramkaran, Siddharthiya Pillay, Anil Amichund Chuturgoon
BACKGROUND: South African (SA) Black women have a high prevalence of preeclampsia and HIV, both conditions associated with increased inflammation. miR-146a is an inflammatory-associated miR and a common single nucleotide polymorphism (rs2910164) has been associated with several disease conditions. To date, this SNP has not been investigated in SA Black women. We therefore aimed to investigate the miR-146a G > C SNP in SA Blacks with preeclampsia, and further examine possible association among preeclamptic (PE) women with HIV infection on HAART...
January 19, 2017: BMC Genetics
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