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MicroRNA 10b

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https://www.readbyqxmd.com/read/28542740/plasma-micrornas-as-biomarkers-of-pancreatic-cancer-risk-in-a-prospective-cohort-study
#1
Eric J Duell, Leila Lujan-Barroso, Núria Sala, Samantha Deitz McElyea, Kim Overvad, Anne Tjonneland, Anja Olsen, Elisabete Weiderpass, Lill-Tove Busund, Line Moi, David Muller, Paolo Vineis, Dagfinn Aune, Giuseppe Matullo, Alessio Naccarati, Salvatore Panico, Giovanna Tagliabue, Rosario Tumino, Domenico Palli, Rudolf Kaaks, Verena A Katzke, Heiner Boeing, H B As Bueno-de-Mesquita, Petra H Peeters, Antonia Trichopoulou, Pagona Lagiou, Anastasia Kotanidou, Ruth C Travis, Nick Wareham, Kay-Tee Khaw, Jose Ramon Quiros, Miguel Rodríguez-Barranco, Miren Dorronsoro, María-Dolores Chirlaque, Eva Ardanaz, Gianluca Severi, Marie-Christine Boutron-Ruault, Vinciane Rebours, Paul Brennan, Marc Gunter, Ghislaine Scelo, Greg Cote, Stuart Sherman, Murray Korc
Non-invasive biomarkers for early pancreatic ductal adenocarcinoma (PDAC) diagnosis and disease risk stratification are greatly needed. We conducted a nested case-control study within the Prospective Investigation into Cancer and Nutrition (EPIC) cohort to evaluate pre-diagnostic microRNAs (miRs) as biomarkers of subsequent PDAC risk. A panel of eight miRs (miR-10a, -10b, -21-3p, -21-5p, -30c, -106b, -155, and -212) based on previous evidence from our group was evaluated in 225 microscopically confirmed PDAC cases and 225 controls matched on center, sex, fasting status, and age/date/time of blood collection...
May 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28524648/instantaneous-ph-boosted-functionalization-of-stellate-gold-nanoparticles-for-intracellular-imaging-of-mirna
#2
Jisun Ki, Eunji Jang, Seungmin Han, Moo-Kwang Shin, Byunghoon Kang, Yong-Min Huh, Seungjoo Haam
Various types of nanoprobes have recently been utilized to monitor living organisms by detecting and imaging intracellular biomarkers, such as microRNAs (miRs). We here present a simple one-pot method to prepare stellate gold nanoparticles functionalized with miR-detecting molecular beacons (SGNP-MBs); low pH conditions permitted the rapid-high loading of MBs on the surface of SGNPs. Compared to the conventional gold nanoparticle-based MBs, SGNPs carried a 4.5-fold higher load of MBs and exhibited a 6.4-fold higher cellular uptake...
May 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28514744/characterization-of-mouse-serum-exosomal-small-rna-content-the-origins-and-their-roles-in-modulating-inflammatory-response
#3
Xin Zhou, Zinan Jiao, Juling Ji, Shuyuan Li, Xiaodi Huang, Xiaoshuang Lu, Heng Zhao, Jingwen Peng, Xinya Chen, Qiuhong Ji, Yuhua Ji
In the last decade, although studies on exosomal microRNAs (miRNAs) derived from serum and other body fluids have increased dramatically; the contents and biological significance of serum exosomes under normal conditions remain unclear. In the present study, we profiled the small RNA content of mouse serum exosomes (mSEs) using small RNAseq and found that fragments of transfer RNAs (tRNAs) and miRNAs were the two predominant exosomal RNA species, accounting for approximately 60% and 10% of mapped reads, respectively...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28495058/mirna-profiling-of-primary-lung-and-head-and-neck-squamous-cell-carcinomas-addressing-a-diagnostic-dilemma
#4
Juan A Muñoz-Largacha, Adam C Gower, Praveen Sridhar, Anita Deshpande, Carl J O'Hara, Emiko Yamada, Tony E Godfrey, Hiran C Fernando, Virginia R Litle
OBJECTIVE: To determine whether microRNA (miRNA) profiling of primary lung and head and neck squamous cell carcinomas could be useful to identify a specific miRNA signature that can be used to further discriminate between primary lung squamous carcinomas and metastatic lesions in patients with a history of head and neck squamous cell cancer. METHODS: Specimens of resected primary head and neck and lung squamous cell carcinomas were obtained from formalin-fixed, paraffin-embedded blocks...
April 12, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28463968/differential-microrna-expression-in-human-placentas-of-term-intra-uterine-growth-restriction-that-regulates-target-genes-mediating-angiogenesis-and-amino-acid-transport
#5
Shanthie Thamotharan, Alison Chu, Katie Kempf, Carla Janzen, Tristan Grogan, David A Elashoff, Sherin U Devaskar
Placental insufficiency leading to intrauterine growth restriction (IUGR) demonstrates perturbed gene expression affecting placental angiogenesis and nutrient transfer from mother to fetus. To understand the post-transcriptional mechanisms underlying such placental gene expression changes, our objective was to identify key non-coding microRNAs that express biological function. To this end, we initially undertook microarrays targeting microRNAs in a small sub-set of placentas of appropriate (AGA) versus small for gestational age (SGA) weight infants, and observed up-regulation of 97 miRs and down-regulation of 44 miRs in SGA versus AGA...
2017: PloS One
https://www.readbyqxmd.com/read/28440396/downregulation-of-mir-10b-promotes-osteoblast-differentiation-through-targeting-bcl6
#6
Jizhou Yang, Shaojie Wang, Fengxian Wang, Xiaohong Mu, Yi Qu, Ziyi Zhao, Xing Yu
MicroRNAs (miRNAs or miRs) have been shown to play a critical role in osteoblast differentiation. miR-10b has been found to be downregulated during osteoblast differentiation; however, its precise effect on osteoblast differentiation remains unknown. In this study, we aimed to investigate the potential role of miR-10b and the potential underlying mechanism in regulating osteoblast differentiation. We found that miR-10b was downregulated during osteoblast differentiation. Overexpression of miR-10b inhibited osteoblast differentiation, whereas the suppression of miR-10b promoted osteoblast differentiation...
April 20, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28436141/microrna-10b-regulates-the-renewal-of-spermatogonial-stem-cells-through-kruppel-like-factor-4
#7
Jiang Li, Xiang Liu, Xiaopeng Hu, Geng G Tian, Wenzhi Ma, Xiuying Pei, Yanrong Wang, Ji Wu
MicroRNAs (miRs) are functionally important in spermatogenesis, which is the self-renewal or differentiation of spermatogonial stem cells (SSCs). Here, we report a novel role for miR-10b in regulating the self-renewal of mouse SSCs. We showed that miR-10b was highly expressed in mouse SSCs in vitro and enhanced SSC proliferation. Knockdown of miR-10b significantly increased the apoptosis of SSCs compared with controls. Kruppel-like factor 4 was found to be a target gene of miR-10b in the enhancement of SSC proliferation...
April 2017: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/28432832/profiling-microrna-from-nephrectomy-and-biopsy-specimens-predictors-of-progression-and-survival-in-clear-cell-renal-cell-carcinoma
#8
Casey G Kowalik, Drew A Palmer, Travis B Sullivan, Patrick A Teebagy, John M Dugan, John A Libertino, Eric J Burks, David Canes, Kimberly M Rieger-Christ
OBJECTIVE: To identify miRNA characteristic of metastatic clear cell renal cell carcinoma (ccRCC) and those indicative of cancer specific survival in nephrectomy and biopsy specimens. We also sought to determine if a miRNA panel could differentiate benign from ccRCC tissue. MATERIALS AND METHODS: RNA was isolated from nephrectomy and kidney biopsy specimens (n=156; n=46 respectively). Samples were grouped: benign, non-progressive and progressive ccRCC. MiRNA were profiled by microarray and validated by qRT-PCR...
April 22, 2017: BJU International
https://www.readbyqxmd.com/read/28393237/microrna-10b-mediates-tgf-%C3%AE-1-regulated-glioblastoma-proliferation-migration-and-epithelial-mesenchymal-transition
#9
Chengyuan Ma, Feng Wei, Huan Xia, Haiyu Liu, Xuechao Dong, Yandong Zhang, Qinghua Luo, Yan Liu, Yang Li
Although it is well known that exaggerated proliferation, metastasis and the mesenchymal subtype is related with worst prognoses in glioblastoma (GBM) and that transforming growth factor-β1 (TGF-β1) is a potent factor in regulating the proliferation, migration and epithelial-mesenchymal transition (EMT) phenotype of GBM, the detailed mechanisms are still far from elucidated. MicroRNAs (miRNAs) are small non-coding RNAs which play critical roles in various diseases by regulating target gene expression. We report that miR-10b, a molecule downstream of TGF-β1, is involved in TGF-β1-regulated GBM cell proliferation, migration and EMT...
April 4, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28345456/overexpression-of-mir-10b-in-colorectal-cancer-patients-correlation-with-twist-1-and-e-cadherin-expression
#10
Rania Abdelmaksoud-Dammak, Nour Chamtouri, Mouna Triki, Amena Saadallah-Kallel, Wajdi Ayadi, Slim Charfi, Abdelmajid Khabir, Lobna Ayadi, Tahia Sallemi-Boudawara, Raja Mokdad-Gargouri
MicroRNAs are emergent players of epigenetics that function as oncogenes or tumor suppressors and that have been implicated in regulating diverse cellular pathways. MiR-10b is an oncogenic microRNA involved in tumor invasion and metastasis in various cancers. Our data have shown that miR-10b is overexpressed in colorectal cancer samples in comparison with non-tumorous adjacent mucosa (p = 0.0025) and that it is associated with severe features such as tumor size >5 cm (p = 0.023), distant metastasis (p = 0...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28272349/the-influence-of-spirulina-platensis-filtrates-on-caco-2-proliferative-activity-and-expression-of-apoptosis-related-micrornas-and-mrna
#11
Agnieszka Śmieszek, Ewa Giezek, Martyna Chrapiec, Martyna Murat, Aleksandra Mucha, Izabela Michalak, Krzysztof Marycz
Spirulina platensis (SP) is a blue-green microalga that has recently raised attention not only as a nutritional component, but also as a source of bioactivities that have therapeutic effects and may find application in medicine, including cancer treatment. In the present study we determined the cytotoxic effect of S. platensis filtrates (SPF) on human colon cancer cell line Caco-2. Three concentrations of SPF were tested-1.25%, 2.5%, and 5% (v/v). We have found that the highest concentration of SPF exerts the strongest anti-proliferative and pro-apoptotic effect on Caco-2 cultures...
March 7, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28188594/extracellular-micrornas-in-follicular-fluid-and-their-potential-association-with-oocyte-fertilization-and-embryo-quality-an-exploratory-study
#12
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...
April 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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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...
February 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28039186/mir-10b-5p-is-a-novel-th17-regulator-present-in-th17-cells-from-ankylosing-spondylitis
#20
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
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