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miR-181a

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https://www.readbyqxmd.com/read/28730334/mir-181a-2-downregulates-the-e3-ubiquitin-ligase-cul4a-transcript-and-promotes-cell-proliferation
#1
Venkateshwarlu Bandi, Sudhakar Baluchamy
MiR-181a-2 plays a major role in cell proliferation both positively and negatively depending on tissue type by targeting several regulators 3'UTR regions. We have predicted several targets for miR-181a-2 through computational approaches and characterized one its interesting target, CUL4A, an E3 ubiquitin ligase. CUL4A regulates diverse functions in the cells including DNA repair, DNA replication, cell cycle, genomic stability through polyubiquitination of target proteins. Deregulation of both miR-181a-2 and CUL4A are reported in many cancerous cells, but the functional link between them is unknown...
August 2017: Medical Oncology
https://www.readbyqxmd.com/read/28717596/phenotypic-and-microrna-transcriptomic-profiling-of-the-mda-mb-231-spheroid-enriched-cscs-with-comparison-of-mcf-7-microrna-profiling-dataset
#2
Lily Boo, Wan Yong Ho, Norlaily Mohd Ali, Swee Keong Yeap, Huynh Ky, Kok Gan Chan, Wai Fong Yin, Dilan Amila Satharasinghe, Woan Charn Liew, Sheau Wei Tan, Soon Keng Cheong, Han Kiat Ong
Breast cancer spheroids have been widely used as in vitro models of cancer stem cells (CSCs), yet little is known about their phenotypic characteristics and microRNAs (miRNAs) expression profiles. The objectives of this research were to evaluate the phenotypic characteristics of MDA-MB-231 spheroid-enriched cells for their CSCs properties and also to determine their miRNAs expression profile. Similar to our previously published MCF-7 spheroid, MDA-MB-231 spheroid also showed typical CSCs characteristics namely self-renewability, expression of putative CSCs-related surface markers and enhancement of drug resistance...
2017: PeerJ
https://www.readbyqxmd.com/read/28711463/modulation-of-atlantic-salmon-mirnome-response-to-sea-louse-infestation
#3
REVIEW
Valentina Valenzuela-Muñoz, Beatriz Novoa, Antonio Figueras, Cristian Gallardo-Escárate
MicroRNAs are non-coding RNA that plays a crucial role in post-transcriptional regulation and immune system regulation. On other hand, sea lice are prevalent parasites that affect salmon farming, generating different degrees of immune suppression depending on the salmon and sea louse species. Caligus rogercresseyi for example, which affects the salmon industry in Chile, decreases Th1 response, macrophage activation, TLR-mediated response and iron regulation in infected fish. In this study, we explore Atlantic salmon miRNome during infestation by C...
July 12, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28689512/circulating-mir-23b-3p-mir-145-5p-and-mir-200b-3p-are-potential-biomarkers-to-monitor-acute-pain-associated-with-laminitis-in-horses
#4
C Lecchi, E Dalla Costa, D Lebelt, V Ferrante, E Canali, F Ceciliani, D Stucke, M Minero
Circulating microRNAs (miRNAs) are emerging as promising biomarkers for several disorders and related pain. In equine practice, acute laminitis is a common disease characterised by intense pain that severely compromises horse welfare. Recently, the Horse Grimace Scale (HGS), a facial expression-based pain coding system, was shown to be a valid welfare indicator to identify pain linked to acute laminitis. The present study aimed to: determine whether miRNAs can be used as biomarkers for acute pain in horses (Equus caballus) affected by laminitis; integrate miRNAs to their target genes and to categorise target genes for biological processes; gather additional evidence on concurrent validity of HGS by investigating how it correlates to miRNAs...
July 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28683530/quantitative-analysis-of-milk-derived-micrornas-and-microbiota-during-the-manufacturing-and-ripening-of-soft-cheese
#5
Sangnam Oh, Mi Ri Park, Sangdon Ryu, Brighton E Maburutse, Ji-Uk Kim, Younghoon Kim
MicroRNAs (miRNAs) are abundant in bovine milk and milk derived from other livestock, and they have functional roles in infants and in the secretion process of mammary glands. However, few studies have evaluated miRNAs in dairy processes, such as during cheese making and ripening. Thus, we investigated the characteristics of milk-derived miRNAs during the manufacturing and ripening of Camembert cheese as well as the microbiota present using quantitative reverse transcription polymer chain reaction (RT-qPCR) and 16S rRNA pyrosequencing, respectively...
July 7, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28681200/microrna-expression-signature-of-methamphetamine-use-and-addiction-in-the-rat-nucleus-accumbens
#6
Maw Shin Sim, Tomoko Soga, Vijayapandi Pandy, Yuan Seng Wu, Ishwar S Parhar, Zahurin Mohamed
Methamphetamine (METH) is a highly addictive psycho-stimulant that induces behavioral changes due to high level of METH-induced dopamine in the brain. Nucleus accumbens (NAc) plays an important role in these changes, especially in drug addiction. However, little is known about the underlying molecular mechanisms of METH-induced addiction. The objective of this study was to establish a behavioral model of METH use and addiction using escalating doses of METH over 15 days and to determine the global miRNA expression profiling in NAc of METH-addicted rats...
July 5, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28675011/-characterization-of-micrornas-profiles-of-induced-pluripotent-stem-cells-reprogrammed-from-human-dental-pulp-stem-cells-and-stem-cells-from-apical-papilla
#7
Tan Xiaobing, Dai Qingyuan
OBJECTIVE: To compare characterization of microRNAs (miRNAs) expression profiles of induced pluripotent stem cells (iPSCs) reprogrammed from human dental pulp stem cells (DPSCs) and stem cells from apical papilla (SCAP) and screen-specific microRNA. METHODS: Human DPSCs and SCAP were reprogrammed into iPSCs using a Sendai virus vector. Total RNA of human DPSCs-iPSCs and SCAP-iPSCs were extracted. miRNAs were labeled and hybridized. Slides were scanned, and images were imported into GenePix Pro 6...
June 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28658612/senescence-associated-micrornas-target-cell-cycle-regulatory-genes-in-normal-human-lung-fibroblasts
#8
Georgios S Markopoulos, Eugenia Roupakia, Maria Tokamani, George Vartholomatos, Theodore Tzavaras, Maria Hatziapostolou, Frank O Fackelmayer, Raphael Sandaltzopoulos, Christos Polytarchou, Evangelos Kolettas
Senescence recapitulates the ageing process at the cell level. A senescent cell stops dividing and exits the cell cycle. MicroRNAs (miRNAs) acting as master regulators of transcription, have been implicated in senescence. In the current study we investigated and compared the expression of miRNAs in young versus senescent human fibroblasts (HDFs), and analysed the role of mRNAs expressed in replicative senescent HFL-1 HDFs. Cell cycle analysis confirmed that HDFs accumulated in G1/S cell cycle phase. Nanostring analysis of isolated miRNAs from young and senescent HFL-1 showed that a distinct set of 15 miRNAs were significantly up-regulated in senescent cells including hsa-let-7d-5p, hsa-let-7e-5p, hsa-miR-23a-3p, hsa-miR-34a-5p, hsa-miR-122-5p, hsa-miR-125a-3p, hsa-miR-125a-5p, hsa-miR-125b-5p, hsa-miR-181a-5p, hsa-miR-221-3p, hsa-miR-222-3p, hsa-miR-503-5p, hsa-miR-574-3p, hsa-miR-574-5p and hsa-miR-4454...
June 27, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28653606/mir-181a-5p-promotes-proliferation-and-invasion-and-inhibits-apoptosis-of-cervical-cancer-cells-via-regulating-inositol-polyphosphate-5-phosphatase-a-inpp5a
#9
Meng Yang, Xu Zhai, Tingting Ge, Chang Yang, Ge Lou
Expression of miR-181a-5p associates with the proliferation and progression of cancer cells via its targets. This studywas designed to investigate the effect of miR-181a-5p and its target inositol polyphosphate-5-phosphatase A (INPP5A) on progression of cervical cancers. Upregulation of miR-181a-5p was revealed in cervical cancer cell lines HeLa and SiHa in comparison with End1/E6E7 (p < 0.001). The inhibition and upregulation of miR-181a-5p in cervical cancer cell lines significantly reduced or increased cell proliferation and invasion capacity, accompanied with enhanced or reduced apoptosis (p < 0...
June 23, 2017: Oncology Research
https://www.readbyqxmd.com/read/28597963/mir-181a-and-mir-150-regulate-dendritic-cell-immune-inflammatory-responses-and-cardiomyocyte-apoptosis-via-targeting-jak1-stat1-c-fos-pathway
#10
Jianbing Zhu, Kang Yao, Junjie Guo, Hongtao Shi, Leilei Ma, Qian Wang, Haibo Liu, Wei Gao, Aijun Sun, Yunzeng Zou, Junbo Ge
The immune inflammatory response plays a crucial role in many cardiac pathophysiological processes, including ischaemic cardiac injury and the post-infarction repair process. MicroRNAs (miRNAs) regulate the development and function of dendritic cells (DCs), which are key players in the initiation and regulation of immune responses; however, the underlying regulatory mechanisms remain unclear. Here, we used the supernatants of necrotic primary cardiomyocytes (Necrotic-S) to mimic the myocardial infarction (MI) microenvironment to investigate the role of miRNAs in the regulation of DC-mediated inflammatory responses...
June 9, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28590924/analysis-of-mirna-expression-profile-induced-by-short-term-starvation-in-breast-cancer-cells-treated-with-doxorubicin
#11
Sergio Rizzo, Antonina Cangemi, Antonio Galvano, Daniele Fanale, Silvio Buscemi, Marcello Ciaccio, Antonio Russo, Sergio Castorina, Viviana Bazan
Recent studies showed that dietary approaches restricting food intake can be helpful to hinder tumor progression. To date, the molecular mechanisms are unclear and a key role seems to be exerted by nutrient-related signaling pathways. Since several evidences showed that non-coding small RNAs, including microRNAs, are correlated to cancer progression and antiblastic treatment response, our work aims to study their involvement in a triple negative breast cancer (TNBC) cell line treated with doxorubicin under Short Term Starvation (STS) condition...
May 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28543721/long-non-coding-rna-malat1-regulates-zeb1-expression-by-sponging-mir-143-3p-and-promotes-hepatocellular-carcinoma-progression
#12
Lisha Chen, Hongbing Yao, Kai Wang, Xiangfeng Liu
BACKGROUND: Hepatocellular carcinoma (HCC) is one of the most common malignancies. Long non-coding RNAs (lncRNAs) are involved in HCC. This study aimed to explore the effects of lncRNA MALAT1 on HCC development. METHODS: MALAT1, ZEB1 and miR-143-3p in HCC tissues was detected by qRT-PCR. Effect of MALAT1 on the proliferation and metastasis of HCC cells was estimated by cell-counting, wound-healing and transwell assays. Luciferase reporter assays were used to explore miR-143-3p's target, ZEB1...
May 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28535543/microrna-181a-5p-impedes-il-17-induced-nonsmall-cell-lung-cancer-proliferation-and-migration-through-targeting-vcam-1
#13
Yang Cao, Dan Zhao, Ping Li, Lanrong Wang, Bingli Qiao, Xiaoyan Qin, Lei Li, Yang Wang
AIM: The contribution of the inflammatory mediator interleukin-17 (IL-17) in nonsmall cell lung cancer (NSCLC) malignancy has been reported in the literature. MicroRNA-181a-5p (miR-181a-5p) acts as a tumor suppressor which can regulate target gene at the posttranscriptional level. Our study aimed to investigate the interaction between IL-17 and miR-181a-5p in NSCLC. METHODS: 35 patients with NSCLC and 24 COPD controls were selected and examined in our study. In vitro, H226 and H460 cell lines were exposed to different doses (20, 40, 60, and 80 ng/mL) of IL-17 to examine the effect of IL-17 on miR-181a-5p and vascular cell adhesion molecule 1 (VCAM-1) expression...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28526870/time-course-responses-of-circulating-micrornas-to-three-resistance-training-protocols-in-healthy-young-men
#14
Shufang Cui, Biao Sun, Xin Yin, Xia Guo, Dingming Chao, Chunni Zhang, Chen-Yu Zhang, Xi Chen, Jizheng Ma
Circulating microRNAs (c-miRNAs) in human plasma have been described as a potential marker of exercise. The present study investigated the effects of three acute resistance training (RT) protocols on the time-course changes of the c-miRNAs profiles in young males. The subjects (n = 45) were randomly divided into three groups: muscular strength endurance (SE), muscular hypertrophy (MH) and maximum strength (MS). Venous blood samples were obtained before exercise and immediately, 1 h and 24 h after each RT protocol to assess the following biological parameters: c-miRNAs, anabolic and catabolic hormones, inflammatory cytokines and muscle damage markers...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522364/inhibition-of-mir-181a-protects-female-mice-from-transient-focal-cerebral-ischemia-by-targeting-astrocyte-estrogen-receptor-%C3%AE
#15
Creed M Stary, Lijun Xu, Le Li, Xiaoyun Sun, Yi-Bing Ouyang, Xiaoxing Xiong, Jing Zhao, Rona G Giffard
Whether the effect of miR-181a is sexually dimorphic in stroke is unknown. Prior work showed protection of male mice with miR-181a inhibition. Estrogen receptor-α (ERα) is an identified target of miR181 in endometrium. Therefore we investigated the separate and joint effects of miR-181a inhibition and 17β-estradiol (E2) replacement after ovariectomy. Adult female mice were ovariectomized and implanted with an E2- or vehicle-containing capsule for 14d prior to 1h middle cerebral artery occlusion (MCAO). Each group received either miR-181a antagomir or mismatch control by intracerebroventricular injection 24h before MCAO...
July 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/28486694/differential-microrna-expression-in-cultured-palatal-fibroblasts-from-infants-with-cleft-palate-and-controls
#16
Christian Schoen, Jeffrey C Glennon, Shaghayegh Abghari, Marjon Bloemen, Armaz Aschrafi, Carine E L Carels, Johannes W Von den Hoff
Background: The role of microRNAs (miRNAs) in animal models of palatogenesis has been shown, but only limited research has been carried out in humans. To date, no miRNA expression study on tissues or cells from cleft palate patients has been published. We compared miRNA expression in palatal fibroblasts from cleft palate patients and age-matched controls. Material and Methods: Cultured palatal fibroblasts from 10 non-syndromic cleft lip and palate patients (nsCLP; mean age: 18 ± 2 months), 5 non-syndromic cleft palate only patients (nsCPO; mean age: 17 ± 2 months), and 10 controls (mean age: 24 ± 5 months) were analysed with next-generation small RNA sequencing...
May 9, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28485104/microrna-181a-promotes-docetaxel-resistance-in-prostate-cancer-cells
#17
Cameron M Armstrong, Chengfei Liu, Wei Lou, Alan P Lombard, Christopher P Evans, Allen C Gao
BACKGROUND: Docetaxel is one of the primary drugs used for treating castration resistant prostate cancer (CRPC). Unfortunately, over time patients invariably develop resistance to docetaxel therapy and their disease will continue to progress. The mechanisms by which resistance develops are still incompletely understood. This study seeks to determine the involvement of miRNAs, specifically miR-181a, in docetaxel resistance in CRPC. METHODS: Real-time PCR was used to measure miR-181a expression in parental and docetaxel resistant C4-2B and DU145 cells (TaxR and DU145-DTXR)...
June 2017: Prostate
https://www.readbyqxmd.com/read/28483594/differences-in-the-microrna-profiles-of-subcutaneous-adipose-derived-stem-cells-and-omental-adipose-derived-stem-cells
#18
Feihu Hu, Peng Xu, Bo Sun, Zhongdang Xiao
Adipose-derived stem cells (ASCs) isolated from subcutaneous (SC) and omentum (O) share similar characteristics, but the differences in their microRNA profiles are mostly unknown. In this study, besides significant differences in cell morphology and the differentiation ability of the two types of ASCs, the microRNA expression profiles of the cell lines were determined using SOLiD next-generation sequencing. The in-depth analysis found that miR-214, miR-222, miR-181a, miR-26a and miR-23/27/24 clusters and miR-375 act as "markers" to distinguish the different fat deposit-derived ASCs...
August 20, 2017: Gene
https://www.readbyqxmd.com/read/28467969/analysis-of-bos-taurus-and-sus-scrofa-x-and-y-chromosome-transcriptome-highlights-reproductive-driver-genes
#19
Faheem Ahmed Khan, Hui Liu, Hao Zhou, Kai Wang, Muhammad Tahir Ul Qamar, Nuruliarizki Shinta Pandupuspitasari, Zhang Shujun
The biology of sperm, its capability of fertilizing an egg and its role in sex ratio are the major biological questions in reproductive biology. To answer these question we integrated X and Y chromosome transcriptome across different species: Bos taurus and Sus scrofa and identified reproductive driver genes based on Weighted Gene Co-Expression Network Analysis (WGCNA) algorithm. Our strategy resulted in 11007 and 10445 unique genes consisting of 9 and 11 reproductive modules in Bos taurus and Sus scrofa, respectively...
April 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28463034/altered-mirna-expression-in-aniline-mediated-cell-cycle-progression-in-rat-spleen
#20
Gangduo Wang, Jianling Wang, M Firoze Khan
Aniline exposure is associated with toxicity to the spleen, however, early molecular events in aniline-induced cell cycle progression in the spleen remain unknown. MicroRNAs (miRNAs) have been implicated in tumor development by modulating key cell cycle regulators and controlling cell proliferation. This study was, therefore, undertaken on the expression of miRNAs, regulation of cyclins and cyclin-dependent kinases (CDKs) in an experimental condition that precedes a tumorigenic response. Male SD rats were treated with aniline (1 mmol/kg/day by gavage) for 7 days, and expression of miRNAs, cyclins and CDKs in rat spleens were analyzed...
June 6, 2017: Toxicology Mechanisms and Methods
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