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MicroRNA 10b

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https://www.readbyqxmd.com/read/28188594/extracellular-micrornas-in-follicular-fluid-and-their-potential-association-with-oocyte-fertilization-and-embryo-quality-an-exploratory-study
#1
Ronit Machtinger, Rodosthenis S Rodosthenous, Michal Adir, Abdallah Mansour, Catherine Racowsky, Andrea A Baccarelli, Russ Hauser
PURPOSE: The purpose of this study is to determine the profile of extracellular microRNAs (exmiRNAs) in follicular fluid (FF) and explore their association with fertilization potential and embryo quality. METHODS: We collected FF from single follicles containing mature oocytes from 40 women undergoing IVF and we screened for the expression of 754 exmiRNAs in FF using the TaqMan OpenArray® qPCR platform. To determine the association of exmiRNAs and IVF outcomes, we compared their expression levels in FF samples that differ by fertilization status (normally, abnormally, and failed to fertilize) and embryo quality (top vs...
February 10, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28163933/analysis-of-argonaute-complex-bound-mrnas-in-du145-prostate-carcinoma-cells-reveals-new-mirna-target-genes
#2
Jaroslaw Szczyrba, Volker Jung, Michaela Beitzinger, Elke Nolte, Sven Wach, Martin Hart, Sandra Sapich, Marc Wiesehöfer, Helge Taubert, Gunther Wennemuth, Norbert Eichner, Thomas Stempfl, Bernd Wullich, Gunter Meister, Friedrich A Grässer
Posttranscriptional gene regulation by microRNAs (miRNAs) contributes to the induction and maintenance of prostate carcinoma (PCa). To identify mRNAs enriched or removed from Ago2-containing RISC complexes, these complexes were immunoprecipitated from normal prostate fibroblasts (PNFs) and the PCa line DU145 and the bound mRNAs were quantified by microarray. The analysis of Ago complexes derived from PNFs or DU145 confirmed the enrichment or depletion of a variety of mRNAs already known from the literature to be deregulated...
2017: Prostate Cancer
https://www.readbyqxmd.com/read/28153089/genome-editing-reveals-glioblastoma-addiction-to-microrna-10b
#3
Rachid El Fatimy, Shruthi Subramanian, Erik J Uhlmann, Anna M Krichevsky
Glioblastoma (GBM) brain tumor remains among the most lethal and incurable human diseases. Oncogenic microRNA-10b (miR-10b) is strongly and universally upregulated in GBM, and its inhibition by antisense oligonucleotides (ASOs) reduces the growth of heterogeneous glioma cells; therefore, miR-10b represents a unique therapeutic target for GBM. Here we explored the effects of miR-10b gene editing on GBM. Using the clustered regularly interspaced short palindromic repeats (CRISPR)-Cas9 system, we investigated effects of miR-10b gene editing on the growth of cultured human glioma cells, tumor-initiating stem-like cells, and mouse GBM xenografts, as well as the oncogene-induced transformation of normal astrocytes...
February 1, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28112253/conserved-mir-10-family-represses-proliferation-and-induces-apoptosis-in-ovarian-granulosa-cells
#4
Tu Jiajie, Yang Yanzhou, Albert Cheung Hoi-Hung, Chen Zi-Jiang, Chan Wai-Yee
Granulosa cells (GCs) are essential somatic cells in the ovary and play an important role in folliculogenesis. Brain-derived neurotropic factor (BDNF) and the TGF-β pathway have been identified as a critical hormone and signalling pathway, respectively, in GCs. In this study, we found that a conserved microRNA family that includes miR-10a and miR-10b repressed proliferation and induced apoptosis in human, mouse, and rat GCs (hGCs, mGCs and rGCs, respectively). Moreover, essential hormones and growth factors in the follicle, such as FSH, FGF9 and some ligands in the TGF-β pathway (TGFβ1, Activin A, BMP4 and BMP15), inhibited miR-10a and miR-10b expression in GCs...
January 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101798/mir-10b-mir-26a-mir-146a-and-mir-153-expression-in-triple-negative-vs-non-triple-negative-breast-cancer-potential-biomarkers
#5
Insaf Fkih M'hamed, Maud Privat, Mounir Trimeche, Frédérique Penault-Llorca, Yves-Jean Bignon, Abderraouf Kenani
MicroRNAs (miRNAs) are small non-coding RNAs composed of 18-25 nucleotides that can post-transcriptionally regulate gene expression and have key regulatory roles in cancer, acting as both oncogenes and tumor suppressors. About 1000 genes in humans encode miRNAs, which account for approximately 3% of the human genome, and up to 30% of human protein coding genes may be regulated by miRNAs. The objective of this article is to evaluate the expression profile of four miRNAs previously implicated in triple negative breast cancer: miR-10b, miR-26a, miR-146a and miR-153, and to determine their possible interaction in triple negative and non triple negative breast cancer based on clinical outcome and the expression of BRCA1...
January 18, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28091987/expression-and-prognostic-value-of-micrornas-in-lower-grade-glioma-depends-on-idh1-2-status
#6
Wen Cheng, Xiufang Ren, Chuanbao Zhang, Sheng Han, Anhua Wu
Histological and genomic characteristics are widely used in glioma management and research. This study investigated their relationship to the expression and prognostic value of microRNAs (miRNAs) in lower-grade glioma (LGG). A total of 447 LGG samples with available clinical and genomic information from The Cancer Genome Atlas database were reviewed. Samples with isocitrate dehydrogenase (IDH) 1/2 mutations (n = 366) were randomly divided into training and validation sets to establish and confirm a four-miRNA-based risk classifier...
January 16, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28074869/urinary-exosome-derived-micrornas-reflecting-the-changes-of-renal-function-and-histopathology-in-dogs
#7
Osamu Ichii, Hiroshi Ohta, Taro Horino, Teppei Nakamura, Marina Hosotani, Tatsuya Mizoguchi, Keitaro Morishita, Kensuke Nakamura, Yuki Hoshino, Satoshi Takagi, Noboru Sasaki, Mitsuyoshi Takiguchi, Ryo Sato, Kazuhisa Oyamada, Yasuhiro Kon
MicroRNAs act as post-transcriptional regulators, and urinary exosome (UExo)-derived microRNAs may be used as biomarkers. Herein, we screened for UExo-derived microRNAs reflecting kidney disease (KD) status in dogs. Examined dogs were divided into healthy kidney control (HC) and KD groups according to renal dysfunction. We confirmed the appearance of UExo having irregular globe-shapes in a dog by immunoblot detection of the exosome markers, TSG101 and CD9. Based on our previous data using KD model mice and the data obtained herein by next generation sequencing of UExo-derived microRNAs in dogs, miR-26a, miR-146a, miR-486, miR-21a, and miR-10a/b were selected as candidate microRNAs...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28055956/circulating-exosomal-micrornas-as-prognostic-biomarkers-for-non-small-cell-lung-cancer
#8
Qingyun Liu, Zubin Yu, Shuai Yuan, Weijia Xie, Chengying Li, Zeyao Hu, Ying Xiang, Na Wu, Long Wu, Li Bai, Yafei Li
Exosomal miRNAs are proposed as excellent candidate biomarkers for clinical applications. However, little is known about their potential roles as prognostic biomarkers in lung cancer. In this study, we explored the prognostic value of plasma exosomal microRNAs (miRNAs) for non-small-cell lung cancer (NSCLC). Using a quantitative polymerase chain reaction (qPCR) array panel, we analyzed 84 plasma exosomal miRNAs in 10 lung adenocarcinoma patients and 10 matched healthy controls. The qPCR array showed 30 aberrantly expressed exosomal miRNAs...
December 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/28039186/mir-10b-5p-is-a-novel-th17-regulator-present-in-th17-cells-from-ankylosing-spondylitis
#9
L Chen, M H Al-Mossawi, A Ridley, T Sekine, A Hammitzsch, J de Wit, D Simone, H Shi, F Penkava, M Kurowska-Stolarska, I Pulyakhina, J C Knight, T J Kim, P Bowness
OBJECTIVE: To determine the microRNA (miR) signature in ankylosing spondylitis (AS) T helper (Th)17 cells. METHODS: Interleukin (IL)-17A-producing CD4+ T cells from patients with AS and healthy controls were FACS-sorted for miR sequencing and qPCR validation. miR-10b function was determined by miR mimic expression followed by cytokine measurement, transcriptome analysis, qPCR and luciferase assays. RESULTS: AS Th17 cells exhibited a miR signature characterised by upregulation of miR-155-5p, miR-210-3p and miR-10b...
December 30, 2016: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/27935974/epigallocatechin-3-gallate-upregulates-mir-221-to-inhibit-osteopontin-dependent-hepatic-fibrosis
#10
M L Arffa, M A Zapf, A N Kothari, V Chang, G N Gupta, X Ding, M M Al-Gayyar, W Syn, N M Elsherbiny, P C Kuo, Z Mi
Osteopontin (OPN) promotes hepatic fibrosis, and developing therapies targeting OPN expression in settings of hepatic injury holds promise. The polyphenol epigallocatechin-3-gallate (EGCG), found in high concentrations in green tea, downregulates OPN expression through OPN mRNA degradation, but the mechanism is unknown. Previous work has shown that microRNAs can decrease OPN mRNA levels, and other studies have shown that EGCG modulates the expression of multiple microRNAs. In our study, we first demonstrated that OPN induces hepatic stellate cells to transform into an activated state...
2016: PloS One
https://www.readbyqxmd.com/read/27837403/interplay-of-transcription-factors-and-micrornas-during-embryonic-hematopoiesis
#11
Xueping Gong, Ruihua Chao, Pengxiang Wang, Xiaoli Huang, Jingjing Zhang, Xiaozhou Zhu, Yanyang Zhang, Xue Yang, Chao Hou, Xiangjun Ji, Tieliu Shi, Yuan Wang
Hematopoietic stem cells (HSCs), which are localized in the bone marrow of adult mammals, come from hematopoietic endothelium during embryonic stages. Although the basic processes of HSC generation and differentiation have been described in the past, the epigenetic regulation of embryonic hematopoiesis remains to be fully described. Here, by utilizing an in vitro differentiation system of mouse embryonic stem cells (ESCs), we identified more than 20 microRNAs that were highly enriched in embryonic hematopoietic cells, including some (e...
November 9, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/27834869/micrornas-10a-and-10b-regulate-the-expression-of-human-platelet-glycoprotein-ib%C3%AE-for-normal-megakaryopoiesis
#12
Zuping Zhang, Yali Ran, Tanner S Shaw, Yuandong Peng
MicroRNAs are a class of small non-coding RNAs that bind to the three prime untranslated region (3'-UTR) of target mRNAs. They cause a cleavage or an inhibition of the translation of target mRNAs, thus regulating gene expression. Here, we employed three prediction tools to search for potential miRNA target sites in the 3'-UTR of the human platelet glycoprotein (GP) 1BA gene. A luciferase reporter assay shows that miR-10a and -10b sites are functional. When miR-10a or -10b mimics were transfected into the GP Ibβ/GP IX-expressing cells, along with a DNA construct harboring both the coding and 3'-UTR sequences of the human GP1BA gene, we found that they inhibit the transient expression of GP Ibα on the cell surface...
November 9, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27756776/six-serum-based-mirnas-as-potential-diagnostic-biomarkers-for-gastric-cancer
#13
Zebo Huang, Danxia Zhu, Lirong Wu, Mingfeng He, Xin Zhou, Lan Zhang, Huo Zhang, Weiwei Wang, Jun Zhu, Wenfang Cheng, Yan Chen, Yong Fan, Lianwen Qi, Yin Yin, Wei Zhu, Yongqian Shu, Ping Liu
BACKGROUND: Circulating miRNAs in serum may serve as promising diagnostic biomarkers for patients with gastric cancer. METHODS: Using qRT-PCR-based Exiqon panel, we identified 58 differentially expressed miRNAs from three gastric cancer pool samples and one normal control (NC) pool in the initial screening phase. Identified miRNAs were further validated in the training (49 gastric cancer vs. 47 NCs) and validation phases (154 gastric cancer vs. 120 NCs) using qRT-PCR...
October 18, 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27756250/mir-10b-exerts-oncogenic-activity-in-human-hepatocellular-carcinoma-cells-by-targeting-expression-of-cub-and-sushi-multiple-domains-1-csmd1
#14
Qiao Zhu, Li Gong, Jun Wang, Qian Tu, Li Yao, Jia-Rui Zhang, Xiu-Juan Han, Shao-Jun Zhu, Shu-Mei Wang, Yan-Hong Li, Wei Zhang
BACKGROUND: Hepatocellular carcinoma (HCC) is a lethal disease, while the precise underlying molecular mechanisms of HCC pathogenesis remain to be defined. MicroRNA (miRNA), a class of non-coding small RNAs, can post-transcriptionally regulate gene expression. Altered miRNA expression has been reported in HCCs. This study assessed expression and the oncogenic activity of miRNA-10b (miR-10b) in HCC. METHODS: Forty-five paired human HCC and adjacent non-tumor tissues were collected for qRT-PCR and immunohistochemistry analysis of miR-10b and CUB and Sushi multiple domains 1 (CSMD1), respectively...
October 18, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27682205/impact-of-endurance-exercise-training-on-adipocyte-microrna-expression-in-overweight-men
#15
Thomas Tsiloulis, Joshua Pike, David Powell, Fernando J Rossello, Benedict J Canny, Ruth C R Meex, Matthew J Watt
Adipocytes are major regulators of metabolism, and endurance exercise training improves adipocyte function; however, the molecular mechanisms that regulate chronic adaptive responses remain unresolved. microRNAs (miRNAs) influence adipocyte differentiation and metabolism. Accordingly, we aimed to determine whether adipocyte miRNA expression is responsive to exercise training and to identify exercise-responsive miRNAs that influence adipocyte metabolism. Next-generation sequencing was used to profile miRNA expression of adipocytes that were isolated from abdominal subcutaneous (ABD) and gluteofemoral (GF) adipose tissue of overweight men before and after 6 wk of endurance exercise training...
January 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27624142/potential-role-of-microrna-10b-down-regulation-in-cardiomyocyte-apoptosis-in-aortic-stenosis-patients
#16
Idoia Gallego, Javier Beaumont, Begoña López, Susana Ravassa, Juan José José Gómez-Doblas, María Ujué Ujué Moreno, Félix Valencia, Eduardo de Teresa, Javier Díez, Arantxa González
MicroRNAs have been associated with cardiomyocyte apoptosis, a process involved in myocardial remodelling in aortic valve (Av) stenosis (AS). Our aim was to analyse whether the dysregulation of myocardial microRNAs was related to cardiomyocyte apoptosis in AS patients. Endomyocardial biopsies were obtained from 28 patients with severe AS (based on pressure gradients and Av area) referred to Av replacement and from necropsies of 10 cardiovascular disease-free control subjects. AS patients showed an increased ( P <0...
September 13, 2016: Clinical Science (1979-)
https://www.readbyqxmd.com/read/27623773/profiling-bovine-blastocyst-micrornas-using-deep-sequencing
#17
R Pasquariello, B Fernandez-Fuertes, F Strozzi, F Pizzi, R Mazza, P Lonergan, F Gandolfi, J L Williams
MicroRNAs (miRNAs) are known to control several reproductive functions, including oocyte maturation, implantation and early embryonic development. Recent advances in deep sequencing have allowed the analysis of all miRNAs of a sample. However, when working with embryos, due to the low RNA content, miRNA profiling is challenging because of the relatively large amount of total RNA required for library preparation protocols. In the present study we compared three different procedures for RNA extraction and prepared libraries using pools of 30 bovine blastocysts...
September 13, 2016: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/27611973/profile-of-exosomal-and-intracellular-microrna-in-gamma-herpesvirus-infected-lymphoma-cell-lines
#18
Shiho Hoshina, Tsuyoshi Sekizuka, Michiyo Kataoka, Hideki Hasegawa, Hiromichi Hamada, Makoto Kuroda, Harutaka Katano
Exosomes are small vesicles released from cells, into which microRNAs (miRNA) are specifically sorted and accumulated. Two gamma-herpesviruses, Kaposi sarcoma-associated herpesvirus (KSHV) and Epstein-Barr virus (EBV), encode miRNAs in their genomes and express virus-encoded miRNAs in cells and exosomes. However, there is little information about the detailed distribution of virus-encoded miRNAs in cells and exosomes. In this study, we thus identified virus- and host-encoded miRNAs in exosomes released from KSHV- or EBV-infected lymphoma cell lines and compared them with intracellular miRNAs using a next-generation sequencer...
2016: PloS One
https://www.readbyqxmd.com/read/27611783/differences-in-circulating-micrornas-between-grazing-and-grain-fed-wagyu-cattle-are-associated-with-altered-expression-of-intramuscular-microrna-the-potential-target-pten-and-lipogenic-genes
#19
Susumu Muroya, Masahiro Shibata, Masayuki Hayashi, Mika Oe, Koichi Ojima
We aimed to understand the roles of miRNAs in the muscle tissue maturation and those of circulating microRNAs (c-miRNAs) in beef production of Japanese Black (JB) cattle (Wagyu), a breed with genetically background of superior intermuscular fat depot, by comparing different feeding conditions (indoor grain-feeding vs. grazing on pasture). The cattle at 18 months old were assigned to pasture feeding or conventional indoor grain feeding conditions for 5 months. Microarray analysis of c-miRNAs from the plasma extracellular vesicles led to the detection of a total of 202 bovine miRNAs in the plasma, including 15 miRNAs that differed between the feeding conditions...
2016: PloS One
https://www.readbyqxmd.com/read/27592860/up-regulation-of-mir-10b-predicate-advanced-clinicopathological-features-and-liver-metastasis-in-colorectal-cancer
#20
Hong Jiang, Jijun Liu, Yingtao Chen, Chong Ma, Baosong Li, Tao Hao
Given the emerging role of microRNA in tumor disease progression, we investigated the association between miRNA 10b expression, liver metastasis, and clinicopathological of colorectal cancer (CRC). Two hundred and forty-six pairs of samples (including CRC samples and normal adjacent tissues) from CRC patients were collected from May 2004 to May 2009. All samples verified to contain at least 80% tumor cells, and were immediately frozen in liquid nitrogen and stored at -80°C or fixed in 10% formalin for paraffin embedding...
September 4, 2016: Cancer Medicine
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