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https://www.readbyqxmd.com/read/29347945/microrna-transcriptome-analysis-of-porcine-vital-organ-responses-to-immunosuppressive-porcine-cytomegalovirus-infection
#1
Xiao Liu, Haoche Wei, Shan Liao, Jianheng Ye, Ling Zhu, Zhiwen Xu
BACKGROUND: Porcine cytomegalovirus (PCMV) is an immunosuppressive virus that mainly inhibits T-lymphocyte and macrophage immune functions; it has significantly damaged the farming industry. Although recent studies have shown that miRNAs play important roles in immune responses, the regulatory mechanisms of miRNAs during immunosuppressive virus infection remain unclear. METHODS: In this study, porcine small-RNA transcriptomes of PCMV-infected and uninfected vital organs were first characterised by high-throughput sequencing...
January 18, 2018: Virology Journal
https://www.readbyqxmd.com/read/29344506/micrornas-in-renal-diseases-a-potential-novel-therapeutic-target
#2
Federica Petrillo, Anna Iervolino, Miriam Zacchia, Adelina Simeoni, Cristina Masella, Giovanna Capolongo, Alessandra Perna, Giovambattista Capasso, Francesco Trepiccione
Background: MicroRNAs (miRNAs) are a family of short noncoding RNAs that play important roles in posttranscriptional gene regulation. miRNAs inhibit target gene expression by blocking protein translation or by inducing mRNA degradation and therefore have the potential to modulate physiological and pathological processes. Summary: In the kidney, miRNAs play a role in the organogenesis and in the pathogenesis of several diseases, including renal carcinoma, diabetic nephropathy, cystogenesis, and glomerulopathies...
December 2017: Kidney Diseases
https://www.readbyqxmd.com/read/29343574/novel-human-polyomavirus-non-coding-control-regions-differ-in-bi-directional-gene-expression-according-to-host-cell-large-t-antigen-expression-and-clinically-occurring-rearrangements
#3
Elvis T Ajuh, Zongsong Wu, Emma Kraus, Fabian H Weissbach, Tobias Bethge, Rainer Gosert, Nicole Fischer, Hans H Hirsch
Human polyomavirus (HPyV) DNA genomes contain three regions denoted early viral gene region (EVGR) encoding the regulatory T-antigens and one microRNA, late viral gene region (LVGR) encoding the structural Vp capsid proteins, and non-coding control region (NCCR). The NCCR harbours the origin of viral genome replication and bi-directional promoter/enhancer functions governing EVGR- and LVGR-expression on opposite DNA strands. Despite principle similarities, HPyV-NCCRs differ in length, sequence, and architecture...
January 17, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29331391/microrna-mediated-regulation-of-splicing-factors-srsf1-srsf2-and-hnrnp-a1-in-context-of-their-alternatively-spliced-3-utrs
#4
Elżbieta Sokół, Hanna Kędzierska, Alicja Czubaty, Beata Rybicka, Katarzyna Rodzik, Zbigniew Tański, Joanna Bogusławska, Agnieszka Piekiełko-Witkowska
SRSF1, SRSF2 and hnRNP A1 are splicing factors that regulate the expression of oncogenes and tumor suppressors. SRSF1 and SRSF2 contribute to the carcinogenesis in the kidney. Despite their importance, the mechanisms regulating their expression in cancer are not entirely understood. Here, we investigated the microRNA-mediated regulation of SRSF1, SRSF2 and hnRNP A1 in renal cancer. The expression of microRNAs predicted to target SRSF1, SRSF2 and hnRNP A1 was disturbed in renal tumors compared with controls...
January 10, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29328400/microrna%C3%A2-146a-napdh-oxidase4-decreases-reactive-oxygen-species-generation-and-inflammation-in-a-diabetic-nephropathy-model
#5
Rong Jun Wan, Yue Hong Li
The present study investigated the role of microRNA (miR)‑146a in a diabetic nephropathy (DN) model, and its molecular mechanism. DN mice were given intraperitoneal injections of streptozotocin (55 mg/kg/day) for 5 consecutive days as an in vivo DN model. The HK‑2 human kidney cell line were exposed to 45% D‑glucose as an in vitro DN model. Firstly, it was demonstrated that miR‑146a expression was inhibited and NAPDH oxidase 4 (Nox4) was increased in DN mice. In HK‑2 cells, overexpression of miR‑146a inhibited Nox4 protein expression and decreased reactive oxygen species (ROS) generation, oxidative stress and inflammation, and suppressed vascular cell adhesion molecule‑1 (VCAM‑1) and intracellular adhesion molecule‑1 (ICAM‑1) protein expression...
January 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29323708/microrna501-5p-induces-p53-proteasome-degradation-through-the-activation-of-the-mtor-mdm2-pathway-in-adpkd-cells
#6
Lucia de Stephanis, Alessandra Mangolini, Miriam Servello, Peter C Harris, Lucio Dell'Atti, Paolo Pinton, Gianluca Aguiari
Cell proliferation and apoptosis are typical hallmarks of autosomal dominant polycystic kidney disease (ADPKD) and cause the development of kidney cysts that lead to end-stage renal disease (ESRD). Many factors, impaired by polycystin complex loss of function, may promote these biological processes, including cAMP, mTOR and EGFR signalling pathways. In addition, microRNAs (miRs) may also regulate the ADPKD related signalling network and their dysregulation contributes to disease progression. However, the role of miRs in ADPKD pathogenesis has not been fully understood, but also the function of p53 is quite obscure, especially its regulatory contribution on cell proliferation and apoptosis...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29317697/physiological-response-and-microrna-expression-profiles-in-head-kidney-of-genetically-improved-farmed-tilapia-gift-oreochromis-niloticus-exposed-to-acute-cold-stress
#7
Jun Qiang, Yan T Cui, Fan Y Tao, Wen J Bao, Jie He, Xia H Li, Pao Xu, Lan Y Sun
Cold stress has a serious impact on the overwintering survival and yield of genetically improved farmed tilapia (GIFT, Oreochromis niloticus). Understanding the physiological and molecular regulation mechanisms of low-temperature adaptation is necessary to help breed new tolerant strains. The semi-lethal low temperature of juvenile GIFT at 96 h was determined as 9.4 °C. We constructed and sequenced two small RNA libraries from head kidney tissues, one for the control (CO) group and one for the 9.4 °C-stressed (LTS) group, and identified 1736 and 1481 known microRNAs (miRNAs), and 164 and 152 novel miRNAs in the CO and LTS libraries, respectively...
January 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29305165/differential-expression-of-mirna-in-carassius-auratus-gibelio-in-response-to-cyprinid-herpesvirus-2-infection
#8
Jianfei Lu, Dan Xu, Zhaoyuan Shen, Liqun Lu
miRNAs (microRNAs), a small endogenous non-coding RNAs, play crucial roles in post-transcriptional regulator of genes expression in various biological processes. Cyprinid Herpesvirus-2 (CyHV-2) is a highly pathogenic member of the alloherpesviridae that causes acute mass mortalities in populations of Carassius auratus gibelio and Carassius auratus auratus. However, the molecular mechanisms underlying the pathogenicity of CyHV-2 have not been fully determined. Here, miRNA expression profiles were identified via high-throughput sequencing in the kidney of Carassius auratus gibelio infected or uninfected with CyHV-2...
January 2, 2018: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29279420/deregulated-profiles-of-urinary-micrornas-may-explain-podocyte-injury-and-proximal-tubule-dysfunction-in-normoalbuminuric-patients-with-type-2-diabetes-mellitus
#9
Oana Milas, Florica Gadalean, Adrian Vlad, Victor Dumitrascu, Cristina Gluhovschi, Gheorghe Gluhovschi, Silvia Velciov, Roxana Popescu, Flaviu Bob, Petru Matusz, Agneta-Maria Pusztai, Octavian M Cretu, Alina Secara, Anca Simulescu, Sorin Ursoniu, Daliborca Vlad, Ligia Petrica
MicroRNAs (miRNAs) are short non-coding RNA species that are important post-transcriptional regulators of gene expression. The aim of the study was to establish a potential explanation of podocyte damage and proximal tubule (PT) dysfunction induced by deregulated miRNAs expression in the course of type 2 diabetes mellitus (DM). A total of 68 patients with type 2 DM and 11 healthy subjects were enrolled in a cross-sectional study and assessed concerning urinary albumin:creatinine ratio (UACR), urinary N-acetyl-β-D-glucosamininidase (NAG), urinary kidney injury molecule-1, urinary nephrin, podocalyxin, synaptopodin, estimated glomerular filtration rate (eGFR), urinary miRNA21, miRNA124, and miRNA192...
December 25, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/29278451/mir-128-regulates-genes-associated-with-inflammation-and-fibrosis-of-rat-kidney-cells-in-vitro
#10
Sukanya Shyamasundar, Cynthia Ong, Lin-Yue Lanry Yung, S Thameem Dheen, Boon Huat Bay
microRNAs (miRNAs) regulate diverse cellular functions and signaling pathways via inhibiting the expression of their target genes. Given that miR-128 mediates Mitogen-Activated Protein Kinase signaling and production of reactive oxygen species and pro-inflammatory chemokines in various types of cells and tissues, and that miR-128 is differentially expressed in aged and diseased kidneys, we hypothesized that miR-128 may play key roles in kidney inflammation. Hence, in this study, we evaluated the biological effects of miR-128 in normal rat kidney (NRK) cells in vitro...
December 26, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29245971/systematic-analysis-of-the-expression-profile-of-non-coding-rnas-involved-in-ischemia-reperfusion-induced-acute-kidney-injury-in-mice-using-rna-sequencing
#11
Jun Zhou, Hongtao Chen, Youling Fan
Acute kidney injury (AKI) is a common and serious disease characterized by a rapid decline in renal function and has an unacceptably high mortality rate with no effective treatment beyond supportive care. AKI can be induced by many factors such as ischemia/reperfusion (IR), sepsis, and drug-induced nephrotoxicity. However, the molecular mechanisms of AKI are poorly understood. A non-coding RNA (ncRNA) is a RNA molecule that is not translated into a protein. NcRNAs play multiple roles in cellular processes, and mutations or imbalances of these molecules within the body can cause a variety of diseases...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29227974/mir302a-3p-may-modulate-renal-epithelial-mesenchymal-transition-in-diabetic-kidney-disease-by-targeting-zeb1
#12
Wen-Bin Tang, Linfeng Zheng, Renheng Yan, Jiayi Yang, Jianping Ning, Linlin Peng, Qiaoling Zhou, Liping Chen
BACKGROUND: Recent study found that microRNA (miRNA) are involved in diabetic kidney disease (DKD). The objective of this study is to determine the role of miR302a-3p in the process of renal epithelial-mesenchymal transition (EMT) in DKD. METHODS: The miRNA expression profiling of the cell line stimulated by high glucose was performed by a microarray analysis. Then real-time polymerase chain reaction (PCR) were used to determine the expression of one of the miRNAs significantly upregulated in cell line stimulated by high glucose, miR302a-3p...
December 8, 2017: Nephron
https://www.readbyqxmd.com/read/29217619/microrna-4331-promotes-tgev-induced-mitochondrial-damage-via-targeting-rb1-up-regulating-il1rap-and-activating-p38-mapk-pathway-in-vitro
#13
Xiaomin Zhao, Xiaoyuan Bai, Lijuan Guan, Juejun Li, Xiangjun Song, Xuelian Ma, Jianxiong Guo, Zhichao Zhang, Qian Du, Yong Huang, Dewen Tong
Transmissible gastroenteritis virus (TGEV), a member of the coronaviridae family, could cause fatal diarrhea of piglets and result in numerous economic losses. Previous studies demonstrated that TGEV infection could lead to mitochondrial damage and up-regulate miR-4331 level. So miR-4331 may play an important regulatory role in the control of mitochondrial function. To explore the potential role of miR-4331 in mitochondrial damage, we adopted a strategy consisting of quantitative proteomic analysis of porcine kidney (PK-15) cells in response to miR-4331 and TGEV infection...
December 7, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/29207157/microarray-analysis-reveals-gene-and-microrna-signatures-in-diabetic-kidney-disease
#14
Chengji Cui, Yabin Cui, Yanyan Fu, Sichao Ma, Shoulin Zhang
The current study aimed to identify therapeutic gene and microRNA (miRNA) biomarkers for diabetic kidney disease (DKD). The public expression profile GSE30122 was used. Following data preprocessing, the limma package was used to select differentially-expressed genes (DEGs) in DKD glomeruli samples and tubuli samples and they were compared with corresponding controls. Then overlapping DEGs in glomeruli and tubuli were identified and enriched analysis was performed. In addition, protein‑protein interaction (PPI) network analysis as well as sub‑network analysis was conducted...
November 28, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29205500/a-functional-snp-in-the-3-utr-of-tap2-gene-interacts-with-microrna-hsa-mir-1270-to-suppress-the-gene-expression
#15
Bridgett Knox, Yong Wang, Lora J Rogers, Jiekun Xuan, Dianke Yu, Huaijin Guan, Jiwei Chen, Tieliu Shi, Baitang Ning, Susan A Kadlubar
The transporter associated with antigen processing 2 (TAP2) is involved in the development of multidrug resistance and the etiology of immunological diseases. In this study, we investigated whether the expression of TAP2 can be perturbed by single nucleotide polymorphisms (SNPs) located in 3'-untranslated region (3'-UTR) of the gene via interactions with microRNAs. Using a series of in silico assays, we selected the candidate microRNAs (miRNAs) with the potential to interact with functional SNPs of TAP2. The SNP rs241456-located in the 3'-UTR of TAP2-resides in a potential binding site for hsa-miR-1270 and hsa-miR-620...
December 5, 2017: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/29198131/early-detection-of-cardiac-surgery%C3%A2-associated-acute-kidney-injury-by-microrna-21
#16
P Arvin, H R Samimagham, H Montazerghaem, M Khayatian, H Mahboobi, F Ghadiri Soufi
We tested the hypothesis whether microRNA-21 (miR-21) can detect CSA-AKI earlier than serum creatinine (sCr). A total of 103 patients scheduled to undergo cardiac surgery. CSA-AKI was defined as sCr > 0.3 mg/dl 24 h after surgery. The patients were divided into two groups according to whether or not developing AKI after surgery. Serum and urinary miR-21 were measured prior to, and 6, 12 and 24 h after surgery. Baseline serum and urinary levels of miR-21 in AKI group were lower than in non-AKI group. Moreover, the levels of miR-21 were significantly lower 6 h after surgery for serum, and 6 and 12 h after surgery for urine samples than those before surgery in AKI group...
2017: Bratislavské Lekárske Listy
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
#17
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/29195902/indoxyl-sulfate-accelerates-vascular-smooth-muscle-cell-calcification-via-microrna-29b-dependent-regulation-of-wnt-%C3%AE-catenin-signaling
#18
Han Zhang, Jing Chen, Ziyan Shen, Yulu Gu, Linghan Xu, Jiachang Hu, Xiaoyan Zhang, Xiaoqiang Ding
Vascular calcification (VC) is a very common phenomenon in patients with chronic kidney disease(CKD) and it increases the incidence of cardiovascular disease and leads to high mortality in CKD patients. It has been reported that some microRNAs (miRs) play roles in vascular calcification as an epigenetic regulator. Indoxyl sulfate (IS) is a protein-bound uremic toxin which has been proven as one of the major risk factors of cardiovascular disease in CKD. Here we investigated whether microRNA-29b (miR-29b) is involved in IS-induced vascular calcification...
November 28, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29192325/downregulation-of-microrna-1274a-induces-cell-apoptosis-through-regulation-of-bmpr1b-in-clear-cell-renal-cell-carcinoma
#19
Hirofumi Yoshino, Tomokazu Yonezawa, Masaya Yonemori, Kazutaka Miyamoto, Takashi Sakaguchi, Satoru Sugita, Youichi Osako, Shuichi Tatarano, Masayuki Nakagawa, Hideki Enokida
Our previous studies of the microRNA (miRNA) expression signature in clear cell renal cell carcinoma (ccRCC) indicated that miRNA-1274a (miR-1274a) was significantly upregulated in clinical specimens, suggesting that miR-1274a may act as an oncogenic miRNA in ccRCC. The aim of this study was to investigate the functional roles of miR-1274a and identify downstream tumor-suppressive targets regulated by miR‑1274a in ccRCC cells. Functional studies of miR-1274a were carried out by anti-miRNA to investigate cell proliferation and apoptosis using the A498, ACHN and Caki1 ccRCC cell lines...
January 2018: Oncology Reports
https://www.readbyqxmd.com/read/29186842/cfa-mir-143-promotes-apoptosis-via-the-p53-pathway-in-canine-influenza-virus-h3n2-infected-cells
#20
Pei Zhou, Liqing Tu, Xi Lin, Xiangqi Hao, Qingxu Zheng, Weijie Zeng, Xin Zhang, Yun Zheng, Lifang Wang, Shoujun Li
MicroRNAs regulate multiple aspects of the host response to viral infection. This study verified that the expression of cfa-miR-143 was upregulated in vivo and in vitro by canine influenza virus (CIV) H3N2 infection. To understand the role of cfa-miR-143 in CIV-infected cells, the target gene of cfa-miR-143 was identified and assessed for correlations with proteins involved in the apoptosis pathway. A dual luciferase reporter assay showed that cfa-miR-143 targets insulin-like growth factor binding protein 5 (Igfbp5)...
November 25, 2017: Viruses
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