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miRNA expression profiling

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https://www.readbyqxmd.com/read/29677166/in-vitro-identification-of-new-transcriptomic-and-mirnomic-profiles-associated-with-pulmonary-fibrosis-induced-by-high-doses-everolimus-looking-for-new-pathogenetic-markers-and-therapeutic-targets
#1
Simona Granata, Gloria Santoro, Valentina Masola, Paola Tomei, Fabio Sallustio, Paola Pontrelli, Matteo Accetturo, Nadia Antonucci, Pierluigi Carratù, Antonio Lupo, Gianluigi Zaza
The administration of Everolimus (EVE), a mTOR inhibitor used in transplantation and cancer, is often associated with adverse effects including pulmonary fibrosis. Although the underlying mechanism is not fully clarified, this condition could be in part caused by epithelial to mesenchymal transition (EMT) of airway cells. To improve our knowledge, primary bronchial epithelial cells (BE63/3) were treated with EVE (5 and 100 nM) for 24 h. EMT markers (α-SMA, vimentin, fibronectin) were measured by RT-PCR. Transepithelial resistance was measured by Millicell-ERS ohmmeter...
April 20, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29676832/circulating-mirnas-in-acute-new-onset-atrial-fibrillation-and-their-target-mrna-network
#2
Ananília Medeiros Gomes da Silva, Jéssica Nayara Góes de Araújo, Katiene Macêdo de Oliveira, Ana Eloísa Melo Novaes, Mariana Borges Lopes, Júlio César Vieira de Sousa, Antônio Amorim de Araújo Filho, André Ducati Luchessi, Adriana Augusto de Rezende, Mário Hiroyuki Hirata, Vivian Nogueira Silbiger
BACKGROUND: MicroRNAs (miRNAs) are involved in the pathogenesis of atrial fibrillation (AF), acting on development and progression. Our pilot study investigated the expression of six miRNAs and their miRNA-mRNA interactions in patients with acute new-onset AF, well-controlled AF, and normal sinus rhythm (controls). METHODS AND RESULTS: Plasma of acute new-onset AF patients (n = 5) was collected in the emergency room when patients presented with irregular and fast-atrial fibrillation rhythm...
April 20, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29676203/-5p-and-3p-strands-of-mir-145-and-mir-140-during-mesenchymal-stem-cell-chondrogenic-differentiation
#3
Jonathan D Kenyon, Olga Sergeeva, Rodrigo A Somoza, Ming Li, Arnold I Caplan, Ahmad M Khalil, Zhenghong Lee
The chondrogenic differentiation of mesenchymal stem cells (MSCs) is mediated by transcription factors and small non-coding RNAs such as micro-RNAs (miRNAs). Each miRNA is initially transcribed as a long transcript, which matures to produce -5p and -3p strands. It is widely believed that the mature and functional miRNA from any given pre-miRNA, usually the -5p strand, is functional, while the opposing -3p strand is degraded. However, recent cartilage literature started to show functional -3p stands for a few miRNAs...
April 20, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29674518/interrogating-the-functions-of-prdm9-domains-in-meiosis
#4
Sarah Thibault-Sennett, Qi Yu, Fatima Smagulova, Jeff Cloutier, Kevin Brick, R Daniel Camerini-Otero, Galina V Petukhova
Homologous recombination is required for proper segregation of homologous chromosomes during meiosis. It predominantly occurs at recombination hotspots that are defined by the DNA binding specificity of the PRDM9 protein. PRDM9 contains three conserved domains typically involved in regulation of transcription, yet, the role of PRDM9 in gene expression control is not clear. Here we analyze the germline transcriptome of Prdm9-/- male mice in comparison to Prdm9+/+ males and find no apparent differences in the mRNA and miRNA profiles...
April 19, 2018: Genetics
https://www.readbyqxmd.com/read/29673952/expression-of-c19mc-mirnas-in-hcc-associates-with-stem-cell-features-and-the-cancer-testis-genes-signature
#5
Claudia Augello, Federico Colombo, Andrea Terrasi, Elena Trombetta, Marco Maggioni, Laura Porretti, Giorgio Rossi, Silvana Guerneri, Rosamaria Silipigni, Silvano Bosari, Valentina Vaira
BACKGROUND: Intratumor heterogeneity of hepatocellular carcinoma (HCC) and, among HCC cell subsets, the cancer stem cell population (hCSC), is responsible for therapeutic resistance and disease relapse. AIMS: To characterize hCSC-enriched HCCs at the molecular level. METHODS: Side population (SP) was used to identify the hCSCs in multiple tumor sampling from different patients and primary HCCs cultures. FACS was used to immunoprofile cultures...
March 30, 2018: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29670361/identification-of-molecular-target-genes-and-key-pathways-in-hepatocellular-carcinoma-by-bioinformatics-analysis
#6
Lei Zhou, Yanyan Du, Lingqun Kong, Xingyuan Zhang, Qiangpu Chen
Background and aim: Hepatocellular carcinoma (HCC) is a major cause of cancer mortality and is increasing incidence worldwide. The aim of this study was to identify the key genes and microRNAs in HCC and explore their potential mechanisms. Methods: The gene expression profiles of GSE76427, GSE64041, GSE57957, and the microRNA dataset GSE67882 were downloaded from the Gene Expression Omnibus database. The online tool GEO2R was used to obtain differentially expressed genes (DEGs) and miRNAs (DEMs)...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29670053/testosterone-dependent-mir-26a-5p-and-let-7g-5p-act-as-signaling-mediators-to-regulate-sperm-apoptosis-via-targeting-pten-and-pmaip1
#7
Jideng Ma, Yu Fan, Jinwei Zhang, Siyuan Feng, Zihui Hu, Wanling Qiu, Keren Long, Long Jin, Qianzi Tang, Xun Wang, Qi Zhou, Yiren Gu, Weihang Xiao, Lingyan Liu, Xuewei Li, Mingzhou Li
Recent evidence suggests that testosterone deficiency can dramatically decrease the quality of sperm. MicroRNAs (miRNAs) are conserved mediators of post-transcriptional gene regulation in eukaryotes. However, the systemic regulation and function of miRNAs in sperm quality decline induced by testosterone deficiency has not been investigated. Here, we found that the sperm apoptosis was significantly enhanced and the sperm motility was dramatically decreased in hemicastrated pigs. We then used small RNA sequencing to detect miRNA profiles of sperm from pigs with prepubertal hemicastration (HC) and compared them with control libraries...
April 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29669761/enhancer-remodeling-and-microrna-alterations-are-associated-with-acquired-resistance-to-alk-inhibitors
#8
Mi Ran Yun, Sun Min Lim, Seon-Kyu Kim, Hun Mi Choi, Kyoung Ho Pyo, Seong Keun Kim, Ji Min Lee, You Won Lee, Jae Woo Choi, Hye Ryun Kim, Min Hee Hong, Keeok Haam, Nanhyung Huh, Jong Hwan Kim, Yong Sung Kim, Hyo Sup Shim, Ross Andrew Soo, Jin-Yuan Shih, James Chih-Hsin Yang, Mirang Kim, Byoung Chul Cho
Anaplastic lymphoma kinase (ALK) inhibitors are highly effective in ALK fusion-positive lung cancer patients, but acquired resistance invariably emerges. Identification of secondary mutations has received considerable attention, but most cases cannot be explained by genetic causes alone, raising the possibility of epigenetic mechanisms in acquired drug resistance. Here we investigated the dynamic changes in the transcriptome and enhancer landscape during development of acquired resistance to ALK inhibitors...
April 18, 2018: Cancer Research
https://www.readbyqxmd.com/read/29669321/lncrna-expression-profile-of-human-thoracic-aortic-dissection-by-high-throughput-sequencing
#9
Jie Sun, Guojun Chen, Yuanwen Jing, Xiang He, Jianting Dong, Junmeng Zheng, Meisheng Zou, Hairui Li, Shifei Wang, Yili Sun, Wangjun Liao, Yulin Liao, Li Feng, Jianping Bin
BACKGROUND/AIMS: In this study, the long non-coding RNA (lncRNA) expression profile in human thoracic aortic dissection (TAD), a highly lethal cardiovascular disease, was investigated. METHODS: Human TAD (n=3) and normal aortic tissues (NA) (n=3) were examined by high-throughput sequencing. Bioinformatics analyses were performed to predict the roles of aberrantly expressed lncRNAs. Quantitative real-time polymerase chain reaction (qRT-PCR) was applied to validate the results...
April 13, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29666766/mirnaome-expression-profiles-in-the-gonads-of-adult-melopsittacus-undulatus
#10
Lan Jiang, Qingqing Wang, Jue Yu, Vinita Gowda, Gabriel Johnson, Jianke Yang, Xianzhao Kan, Xiaojun Yang
The budgerigar ( Melopsittacus undulatus ) is one of the most widely studied parrot species, serving as an excellent animal model for behavior and neuroscience research. Until recently, it was unknown how sexual differences in the behavior, physiology, and development of organisms are regulated by differential gene expression. MicroRNAs (miRNAs) are endogenous short non-coding RNA molecules that can post-transcriptionally regulate gene expression and play a critical role in gonadal differentiation as well as early development of animals...
2018: PeerJ
https://www.readbyqxmd.com/read/29665451/tgf-%C3%AE-1-resulting-in-differential-microrna-expression-in-bovine-granulosa-cells
#11
Yefen Xu, Jiaqiang Niu, Guangying Xi, Xuezhi Niu, Yuheng Wang, Ming Guo, Qiangba Yangzong, Yilong Yao, Suolang Sizhu, Jianhui Tian
To explore the expression profile of the cellular miRNAs in bovine ovarian granulosa cells responding to transforming growth factor-β1 (TGF-β1), the effect of TGF-β1 on cell proliferation was firstly investigated by CCK-8 method and the results showed that there was a significant inhibitory effect on bovine granulosa cell proliferation treated with 5/10 ng/mL human recombinant TGF-β1 for 24 h compared to the control (P < 0.05). Then, we performed high-throughput sequencing of two small RNA libraries prepared from cultured bovine granulosa cells stimulated with or without 10 ng/mL human recombinant TGF-β1...
April 14, 2018: Gene
https://www.readbyqxmd.com/read/29665143/identification-of-potential-tumor-educated-platelets-rna-biomarkers-in-non-small-cell-lung-cancer-by-integrated-bioinformatical-analysis
#12
Linlin Xue, Li Xie, Xingguo Song, Xianrang Song
BACKGROUND: Platelets have emerged as key players in tumorigenesis and tumor progression. Tumor-educated platelet (TEP) RNA profile has the potential to diagnose non-small-cell lung cancer (NSCLC). The objective of this study was to identify potential TEP RNA biomarkers for the diagnosis of NSCLC and to explore the mechanisms in alternations of TEP RNA profile. METHODS: The RNA-seq datasets GSE68086 and GSE89843 were downloaded from Gene Expression Omnibus DataSets (GEO DataSets)...
April 17, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29663566/mir-27a-3p-and-mir-124-3p-upregulated-in-endometrium-and-serum-from-women-affected-by-chronic-endometritis-are-new-potential-molecular-markers-of-endometrial-receptivity
#13
Cinzia Di Pietro, Salvatore Caruso, Rosalia Battaglia, Marco Iraci Sareri, Alessandro La Ferlita, Fabrizio Strino, Gabriele Bonaventura, Maurizio Di Mauro, Maria Luisa Barcellona, Vincenzo Perciavalle, Michele Purrello, Antonio Cianci
PROBLEM: Chronic endometritis (CE) is usually asymptomatic and different studies demonstrated the relation with infertility and recurrent pregnancy loss. Altered regulation of protein-encoding genes in CE has been demonstrated, but no evidence about the involvement of microRNAs in the pathology is present in literature. METHOD OF STUDY: In the endometrium from 15 women with CE and 15 healthy women, by RT-qPCR single assays, we investigated some microRNAs targeting IL11, CCL4, IGF1, and IGFBP1, which mRNAs had been found differentially expressed in endometrium of women affected by CE...
April 16, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29663357/hpv16-increases-the-number-of-migratory-cancer-stem-cells-and-modulates-their-mirna-expression-profile-in-oropharyngeal-cancer
#14
Martin Hufbauer, Margaret Maltseva, Jeannine Meinrath, Axel Lechner, Dirk Beutner, Christian U Huebbers, Baki Akgül
Human papillomavirus type 16 (HPV16) is a major risk for development of oropharyngeal squamous-cell-carcinoma (OPSCC). Although HPV+ OPSCC metastasize faster than HPV- tumors, they have a better prognosis. The molecular and cellular alterations underlying this pathobiology of HPV+ OPSCC remain elusive. In this study we examined whether expression of HPV16-E6E7 targets the number of migratory and stationary cancer-stem-cells (CSC). Furthermore, we wanted to elucidate if aberrantly expressed miRNAs in migratory CSC may be responsible for progression of OPSCCs and whether they may serve as potential novel biomarkers for increased potential of metastasis...
April 16, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29662654/extracellular-vesicle-encapsulated-mir-30e-suppresses-cholangiocarcinoma-cell-invasion-and-migration-via-inhibiting-epithelial-mesenchymal-transition
#15
Yu Ota, Kenji Takahashi, Shin Otake, Yosui Tamaki, Mitsuyoshi Okada, Kazunobu Aso, Yuichi Makino, Satoshi Fujii, Tsuguhito Ota, Masakazu Haneda
Early-staged cholangiocarcinoma (CCA) is difficult to diagnose due to its high potential for invasion and metastasis. Epithelial-mesenchymal transition (EMT) is induced by transforming growth factor-β (TGF-β) in a process thought to be important for invasion and metastasis in several cancers, including CCA. Although microRNAs (miRNAs) have been implicated in the pathogenesis of several malignancies, their roles to CCA are not clearly understood. Some miRNAs were reported to be included in extracellular vesicles (EVs) and transferred from their donor cells to other cells, modulating recipient cell behaviors...
March 27, 2018: Oncotarget
https://www.readbyqxmd.com/read/29662554/effect-of-%C3%AE-hydroxy-%C3%AE-methylbutyrate-on-mirna-expression-in-differentiating-equine-satellite-cells-exposed-to-hydrogen-peroxide
#16
Karolina A Chodkowska, Anna Ciecierska, Kinga Majchrzak, Piotr Ostaszewski, Tomasz Sadkowski
Background: Skeletal muscle injury activates satellite cells to initiate processes of proliferation, differentiation, and hypertrophy in order to regenerate muscle fibers. The number of microRNAs and their target genes are engaged in satellite cell activation. β-Hydroxy-β-methylbutyrate (HMB) is known to prevent exercise-induced muscle damage. The purpose of this study was to evaluate the effect of HMB on miRNA and relevant target gene expression in differentiating equine satellite cells exposed to H2 O2 ...
2018: Genes & Nutrition
https://www.readbyqxmd.com/read/29661252/mir-148b-3p-functions-as-a-tumor-suppressor-in-gists-by-directly-targeting-kit
#17
Yu Wang, Jun Li, Dong Kuang, Xiaoyan Wang, Yuanli Zhu, Sanpeng Xu, Yaobing Chen, Henghui Cheng, Qiu Zhao, Yaqi Duan, Guoping Wang
BACKGROUND: Gain-of-function mutations and overexpression of KIT are characteristic features of gastrointestinal stromal tumor (GIST). Dysregulation in miRNA expression may lead to KIT overexpression and tumorigenesis. METHODS: miRNA microarray analysis and real-time PCR were used to determine the miRNA expression profiles in a cohort of 69 clinical samples including 50 CD117IHC+ /KITmutation GISTs and 19 CD117IHC- /wild-type GISTs. GO enrichment and KEGG pathway analyses were performed to reveal the predicted targets of the dysregulated miRNAs...
April 16, 2018: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/29659518/examining-the-genetic-background-of-porcine-muscle-growth-and-development-based-on-transcriptome-and-mirnaome-data
#18
Katarzyna Ropka-Molik, Klaudia Pawlina-Tyszko, Kacper Żukowski, Katarzyna Piórkowska, Grzegorz Żak, Artur Gurgul, Natalia Derebecka, Joanna Wesoły
Recently, selection in pigs has been focused on improving the lean meat content in carcasses; this focus has been most evident in breeds constituting a paternal component in breeding. Such sire-breeds are used to improve the meat quantity of cross-breed pig lines. However, even in one breed, a significant variation in the meatiness level can be observed. In the present study, the comprehensive analysis of genes and microRNA expression profiles in porcine muscle tissue was applied to identify the genetic background of meat content...
April 16, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29658599/screening-potential-biomarkers-for-colorectal-cancer-based-on-circular-rna-chips
#19
Shuo Chen, Lin Zhang, Yinan Su, Xipeng Zhang
The aim of the present study was to screen colorectal cancer (CRC) tissue and adjacent tissue for differences in circular RNA (circRNA) expression, to analyze the related miRNAs and messenger RNAs (mRNAs), and to investigate the circRNA expression in CRC and its function. The circRNA expression profile was generated using CapitalBio microarray technology. The differentially expressed circRNAs were identified with GeneSpring 12.5 software. Subsequently, the related mRNAs of the differentially expressed circRNAs were annotated with the molecule annotation system (MAS) 3...
April 16, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29658571/upregulation-of-hoxa1-promotes-tumorigenesis-and-development-of-non%C3%A2-small-cell-lung-cancer-a-comprehensive-investigation-based-on-reverse-transcription-quantitative-polymerase-chain-reaction-and-bioinformatics-analysis
#20
Yu Zhang, Xiao-Jiao Li, Rong-Quan He, Xiao Wang, Tong-Tong Zhang, Yuan Qin, Rui Zhang, Yun Deng, Han-Lin Wang, Dian-Zhong Luo, Gang Chen
Homeobox A1 (HOXA1) serves an oncogenic role in multiple cancer types. However, the role of HOXA1 in non‑small cell lung cancer (NSCLC) remains unclear. In the present study, use of reverse transcription-quantitative polymerase chain reaction and the databases of The Cancer Genome Atlas (TCGA), Oncomine, Gene Expression Profiling Interactive Analysis and the Multi Experiment Matrix were combined to assess the expression of HOXA1 and its co-expressed genes in NSCLC. Bioinformatic analyses, such as Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), and network and protein-protein interaction analyses, were used to investigate the underlying molecular mechanism effected by the co-expressed genes...
April 16, 2018: International Journal of Oncology
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