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miRNA liver

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https://www.readbyqxmd.com/read/29328362/microrna-493-5p-promotes-apoptosis-and-suppresses-proliferation-and-invasion-in-liver-cancer-cells-by-targeting-vamp2
#1
Guannan Wang, Xiaosan Fang, Meng Han, Xiaoming Wang, Qiang Huang
The aim of the present study was to explore the role of miR‑493-5p in liver cancer tissues and cell lines, and its effect on cell behavioral characteristics. The expression of miR-493-5p was detected by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) in liver cancer tissues and cell lines (hepatic cell line HL-7702 and the liver cancer cell lines HCCC-9810, HuH-7 and HepG2). In addition, the mechanism by which miR-493-5p mediates its effects was analyzed via the transfection of miR-493-5p mimic and negative control miRNA into HepG2 cells...
January 2, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29323718/effect-of-mir-182-on-hepatic-fibrosis-induced-by-schistosomiasis-japonica-by-targeting-foxo1-through-pi3k-akt-signaling-pathway
#2
Yu Huang, Xiangxue Fan, Ran Tao, Qiqing Song, Likui Wang, Hongyue Zhang, Hongyan Kong, Jiaquan Huang
OBJECTIVE: The study aimed to investigate the impact of miR-182 and FOXO1 on S. japonica-induced hepatic fibrosis. METHODS: Microarray analysis was performed to screen out differential expressed miRNAs and mRNAs. Rat hepatic fibrosis model and human hepatocellular cell line LX-2 were used to study the effect of miR-182 and FOXO1. qRT-PCR and western blot were used to detect the expression of miR-182, FOXO1 or other fibrosis markers. The targeting relationship between FOXO1 and miR-182 was verified by luciferase reporter assay...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29322794/integrated-analysis-of-the-rna-seq-data-of-liver-hepatocellular-carcinoma
#3
H Xue, L Luo, Y T Yao, L L Wei, S P Deng, X L Huang
The present study aimed to explore the genetic changes involved in the liver hepatocellular carcinoma (HCC) development. The RNA-Seq data of 212 HCC tissue samples and 50 normal tissue samples were downloaded using TCGA-Assembler. A total of 4 subgroups were obtained, and 4167, 6279, 5379, and 2548 DEGs were screened in group 1, group 2, group 3, and group 4, respectively. Enrichment analysis found that cell cycle, metabolism, and translation related terms were the most significantly changed functions and pathways...
2018: Neoplasma
https://www.readbyqxmd.com/read/29322790/integrated-network-analysis-to-identify-the-key-genes-transcription-factors-and-micrornas-involved-in-hepatocellular-carcinoma
#4
S Q Shi, J-J Ke, Q S Xu, W Q Wu, Y Y Wan
HCC (hepatocellular carcinoma), which can be induced by cirrhosis and viral hepatitis infection, is the most frequent form of liver cancer. This study is performed to investigate the mechanisms of HCC. GSE57957 was obtained from Gene Expression Omnibus database, including 39 HCC samples and 39 adjacent non-tumorous samples. The DEGs (differentially expressed genes) were screened using the limma package in R, and then were conducted with enrichment analysis using "BioCloud" platform. Using STRING database, WebGestalt tool, as well as ITFP and TRANSFAC databases, PPI (protein-protein interaction) pairs, miRNA (microRNA)-target pairs, and TF (transcription factor)-target pairs separately were predicted...
2018: Neoplasma
https://www.readbyqxmd.com/read/29321595/microrna-7-mediates-cross-talk-between-metabolic-signaling-pathways-in-the-liver
#5
Ragunath Singaravelu, Curtis Quan, Megan H Powdrill, Tyler A Shaw, Prashanth Srinivasan, Rodney K Lyn, Rhea C Alonzi, Daniel M Jones, Roxana Filip, Rodney S Russell, John P Pezacki
MicroRNAs (miRNAs) have emerged as critical regulators of cellular metabolism. To characterise miRNAs crucial to the maintenance of hepatic lipid homeostasis, we examined the overlap between the miRNA signature associated with inhibition of peroxisome proliferator activated receptor-α (PPAR-α) signaling, a pathway regulating fatty acid metabolism, and the miRNA profile associated with 25-hydroxycholesterol treatment, an oxysterol regulator of sterol regulatory element binding protein (SREBP) and liver X receptor (LXR) signaling...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29321333/microrna-130a-regulates-both-hcv-and-hbv-replication-through-a-central-metabolic-pathway
#6
Xiaoqiong Duan, Shilin Li, Jacinta A Holmes, Zeng Tu, Yujia Li, Dachuan Cai, Xiao Liu, Wenting Li, Chunhui Yang, Baihai Jiao, Esperance A Schaefer, Dahlene N Fusco, Shadi Salloum, Limin Chen, Wenyu Lin, Raymond T Chung
BACKGROUND: HCV infection has been shown to regulate miR-130a in patient biopsies and in cultured cells. We sought to identify miR-130a target genes and to explore the mechanisms by which miR-130a regulates HCV and HBV replication.METHODS: We used bioinformatics software including miRanda, TargetScan, PITA and RNAhybrid to predict potential miR-130a target genes. miR-130a and its target genes were overexpressed, or knocked down by siRNA or by CRISPR/Cas9 gRNA, respectively. Selected gene mRNAs and their proteins, together with HCV replication in OR6 cells, JFH1 HCV-infected Huh7...
January 10, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29321083/microrna-338-3p-suppresses-proliferation-of-human-liver-cancer-cells-by-targeting-sphk2
#7
Geqiong Xiao, Qiong Wang, Bo Li, Xiaohui Wu, Hui Liao, Yili Ren, Ning Ai
It has been recently revealed that there is abnormal expression of miRNA in various tumors. Despite the fact that microRNA-338-3p (miR-338-3p) can play an important role in many kinds of tumors, whether it has an influence on liver cancer (LC) is undetermined. In this study, we found that the expression of miR-338-3p was decreased in LC cells as well as tissues. Clone formation and cell proliferation are suppressed by enhanced expression of miR-338-3p in LC cells. Moreover, we found that miR-338-3p targeted Sphingosine Kinase 2 (SphK2)...
January 10, 2018: Oncology Research
https://www.readbyqxmd.com/read/29314711/mir-492-regulates-metastatic-properties-of-hepatoblastoma-via-cd44
#8
Julia von Frowein, Stefanie M Hauck, Roland Kappler, Philipp Pagel, Katrin K Fleischmann, Thomas Magg, Stefano Cairo, Adelbert Roscher, Dietrich von Schweinitz, Irene Schmid
BACKGROUND & AIMS: MicroRNAs are important genetic regulators of physiological and pathophysiological processes including cancer initiation and progression of hepatoblastoma, the most common liver tumor in childhood. We aimed to identify malignant and metastasis promoting effects of miR-492, a miRNA we previously reported to be overexpressed in metastatic hepatoblastoma. Further, we intended to evaluate its diagnostic and prognostic potential. METHODS: Stable and transient overexpression of miR-492 in two liver tumor cell lines HepT1 and HUH7 was used to analyze features of metastatic tumor progression like proliferation, anchorage independent growth, migration and invasion...
January 3, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29312628/mir-520f-promotes-cell-aggressiveness-by-regulating-fibroblast-growth-factor-16-in-hepatocellular-carcinoma
#9
Feng Feng Xu, Wen Feng Xie, Guo Qing Zha, Hong Wu Chen, Liang Deng
Cancer metastasis is a multistep cellular process, which has be confirmed one of mainly causes of cancer associated-death in hepatocellular carcinoma (HCC). MicroRNAs (miRNAs) participate in tumorigenesis function as either tumor suppressor genes or oncogenes. In order to elaborate the critical miRNAs and their targets in HCC, we compared the differential expression of miRNA between HCC tissues and normal tissues. Microarray analysis revealed there were several significantly up-expression miRNAs in HCC, compared to normal solid tissue...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29311718/systematic-analysis-of-the-regulatory-roles-of-micrornas-in-postnatal-maturation-and-metergasis-of-liver-of-breeder-cocks
#10
Shengru Wu, Wei Guo, Saisai Liang, Hong Lu, Wenqiang Sun, Xiaochun Ren, Qingzhu Sun, Xiaojun Yang
The liver function of chickens is intensively remodeled from birth to adult, which was validated by metabolomics research in the present study. In order to understand the roles of microRNAs (miRNA) in liver maturation and metergasis, miRNA expression profiles in livers of 20 male chicks aged one day and five adult cocks aged 35 weeks were determined. A total of 191 differentially expressed miRNAs with the criteria of P < 0.05 and fold changes either >1.5 or <0.67 and 32 differentially expressed miRNAs with the criteria of false discovery value (FDR) < 0...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29310731/formula-derived-maillard-reaction-products-in-post-weaning-intrauterine-growth-restricted-piglets-induce-developmental-programming-of-hepatic-oxidative-stress-independently-of-microrna-21-and-microrna-155
#11
S Firmin, G Elmhiri, D Crepin, M Souidi, M Taouis, L Abdennebi-Najar
We recently reported augmentation of lipid peroxidation products in the liver of intrauterine growth-restricted (IUGR) piglets fed a high load of Maillard reaction products (MRPs) during suckling period. The underlying mechanisms of MRPs effects remain unknown. Here, we studied the long-term impact of MRPs exposure on liver oxidative status of IUGR juvenile pigs. Livers of 54-day-old pigs suckled with formula containing either a high (HHF, n=8) or a low (LHF: n=8) load of MRPs were analyzed for protein carbonylation levels , activities and messenger RNA (mRNA) expression of glutathione (GSH) and main antioxidant regulators of redox homeostasis [Superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) were measured...
January 9, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29303765/circulating-mir-21-mir-210-and-mir-146a-as-potential-biomarkers-to-differentiate-acute-tubular-necrosis-from-hepatorenal-syndrome-in-patients-with-liver-cirrhosis-a-pilot-study
#12
Mona Mohamed Watany, Rasha Youssef Hagag, Hanaa Ibrahim Okda
BACKGROUND: Acute kidney injury (AKI) in cirrhotic patients may be functional (hepatorenal syndrome [HRS]) or structural (acute tubular necrosis [ATN]). The differentiation between these two conditions remains challenging; no definite biomarker with a clear cutoff value had been declared. miRNAs seem to be attractive innovative biomarkers to identify the nature of kidney injury in cirrhotic patients. This study aimed to investigate the possibility of using miR-21, miR-210 and miR-146a as differentiating markers between HRS and ATN...
January 5, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29291244/unveiling-massive-numbers-of-cancer-related-urinary-microrna-candidates-via-nanowires
#13
Takao Yasui, Takeshi Yanagida, Satoru Ito, Yuki Konakade, Daiki Takeshita, Tsuyoshi Naganawa, Kazuki Nagashima, Taisuke Shimada, Noritada Kaji, Yuta Nakamura, Ivan Adiyasa Thiodorus, Yong He, Sakon Rahong, Masaki Kanai, Hiroshi Yukawa, Takahiro Ochiya, Tomoji Kawai, Yoshinobu Baba
Analyzing microRNAs (miRNAs) within urine extracellular vesicles (EVs) is important for realizing miRNA-based, simple, and noninvasive early disease diagnoses and timely medical checkups. However, the inherent difficulty in collecting dilute concentrations of EVs (<0.01 volume %) from urine has hindered the development of these diagnoses and medical checkups. We propose a device composed of nanowires anchored into a microfluidic substrate. This device enables EV collections at high efficiency and in situ extractions of various miRNAs of different sequences (around 1000 types) that significantly exceed the number of species being extracted by the conventional ultracentrifugation method...
December 2017: Science Advances
https://www.readbyqxmd.com/read/29288400/anti-inflammatory-and-antiresorptive-effects-of-calendula-officinalis-on-inflammatory-bone-loss-in-rats
#14
Joanna Trycia M Alexandre, Luzia Hermínia Teixeira Sousa, Mario Roberto Pontes Lisboa, Flávia A C Furlaneto, Danielle Rocha do Val, Mirna Marques, Hellíada C Vasconcelos, Iracema Matos de Melo, Renata Leitão, Gerly Anne Castro Brito, Paula Goes
OBJECTIVE: The aim of this work was to evaluate the anti-inflammatory and antiresorptive effects of Calendula officinalis (CLO) on alveolar bone loss (ABL) in rats. MATERIAL AND METHODS: Male Wistar rats were subjected to ABL by ligature with nylon thread around the second upper left molar. The contralateral hemimaxillae were used as control. Rats received saline solution (SAL) or CLO (10, 30, or 90 mg/kg) 30 min before ligature and daily until the 11th day. The maxillae were removed and prepared for macroscopic, radiographic, micro-tomographic, histopathologic, histometric analysis, and immunohistochemical localization of receptor activator of nuclear factor kappa-B ligand (RANKL) and osteoprotegerin (OPG)...
December 29, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29286159/maternal-chromium-restriction-induces-insulin-resistance-in-adult-mice-offspring-through-mirna
#15
Qian Zhang, Xiaofang Sun, Xinhua Xiao, Jia Zheng, Ming Li, Miao Yu, Fan Ping, Zhixin Wang, Cuijuan Qi, Tong Wang, Xiaojing Wang
Increasing evidence suggests that undernutrition during the fetal period may lead to glucose intolerance, impair the insulin response and induce insulin resistance (IR). Considering the importance of chromium (Cr) in maintaining carbohydrate metabolism, the present study aimed to determine the effects of maternal low Cr (LC) on glucose metabolism in C57BL mice offspring, and the involved mechanisms. Weaned C57BL mice were born from mothers fed a control diet or LC diet, and were then fed a control or LC diet for 13 weeks...
December 18, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29286137/microrna-124a-inhibits-cell-proliferation-and-migration-in-liver-cancer-by-regulating-interleukin-11
#16
Liedao Yu, Shuo Wang, Xiangjin Lin, Yang Lu, Pengcheng Gu
Liver cancer is the sixth most common malignant tumour and ranks in the top three cancers with regard to mortality due to metastasis and postsurgical recurrence. It is significant to understand the mechanisms underlying liver cancer for diagnosis and treatment. Cumulative evidence suggests that the abnormal regulation of microRNAs (miRNAs/miRs) may contribute to the development and metastasis of cancer. miR‑124a acts as a tumour suppressor in osteosarcoma, endometrial carcinoma, prostate cancer, and glioblastoma...
December 27, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29282162/integrated-regulatory-network-reveals-novel-candidate-regulators-in-the-development-of-negative-energy-balance-in-cattle
#17
Z Mozduri, M R Bakhtiarizadeh, A Salehi
Negative energy balance (NEB) is an altered metabolic state in modern high-yielding dairy cows. This metabolic state occurs in the early postpartum period when energy demands for milk production and maintenance exceed that of energy intake. Negative energy balance or poor adaptation to this metabolic state has important effects on the liver and can lead to metabolic disorders and reduced fertility. The roles of regulatory factors, including transcription factors (TFs) and micro RNAs (miRNAs) have often been separately studied for evaluating of NEB...
December 28, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29282036/circulating-microrna-s-as-a-diagnostic-tool-for-hepatocellular-carcinoma-in-a-hyper-endemic-hiv-setting-kwazulu-natal-south-africa-a-case-control-study-protocol-focusing-on-viral-etiology
#18
K Sartorius, B Sartorius, A Kramvis, E Singh, A Turchinovich, B Burwinkel, T Madiba, C A Winkler
BACKGROUND: A wide range of studies has investigated the diagnostic proficiency of extracellular microRNAs (miRNAs) in hepatocellular cancer (HCC). HCC is expected to increase in Sub-Saharan Africa (SSA), due to endemic levels of viral infection (HBV/HIV), ageing and changing lifestyles. This unique aetiological background provides an opportunity for investigating potentially novel circulating miRNAs as biomarkers for HCC in a prospective study in South Africa. METHODS: This study will recruit HCC patients from two South African cancer hospitals, situated in Durban and Pietermaritzburg in the province of KwaZulu-Natal...
December 28, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29278451/mir-128-regulates-genes-associated-with-inflammation-and-fibrosis-of-rat-kidney-cells-in-vitro
#19
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/29262398/characteristic-microrna-expression-induced-by-%C3%AE-opioid-receptor-activation-in-the-rat-liver-under-prolonged-hypoxia
#20
Feng Zhi, Naiyuan Shao, Lian Xue, Yuan Xu, Xuezhi Kang, Yilin Yang, Ying Xia
BACKGROUND/AIMS: Hypoxic/ischemic injury to the liver is a frequently encountered clinical problem with limited therapeutic options. Since microRNAs (miRNAs) are involved in hypoxic/ ischemic events, and δ-opioid receptor (DOR) is protective against hypoxic/ischemic injury, we asked if pharmacological activation of DOR can alter hypoxic events by regulating miRNA expression in the liver. As the first step, the present work aimed at testing the effect of DOR activation on hepatic miRNA expression in hypoxia...
December 14, 2017: Cellular Physiology and Biochemistry
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