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https://www.readbyqxmd.com/read/28110479/epigallocatechin-3-o-gallate-modulates-global-microrna-expression-in-interleukin-1%C3%AE-stimulated-human-osteoarthritis-chondrocytes-potential-role-of-egcg-on-negative-co-regulation-of-microrna-140-3p-and-adamts5
#1
Zafar Rasheed, Naila Rasheed, Osama Al-Shaya
PURPOSE: MicroRNAs (miRNAs) are short, non-coding RNAs involved in almost all cellular processes. Epigallocatechin-3-O-gallate (EGCG) is a green tea polyphenol and is known to exert anti-arthritic effects by inhibiting genes associated with osteoarthritis (OA). This study was undertaken to investigate the global effect of EGCG on interleukin-1β (IL-1β)-induced expression of miRNAs in human chondrocytes. METHODS: Human chondrocytes were derived from OA cartilage and then treated with EGCG and IL-1β...
January 21, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28110404/microrna-150-targets-elk1-and-modulates-the-apoptosis-induced-by-ox-ldl-in-endothelial-cells
#2
Bing Qin, Yaqing Shu, Li Xiao, Tingting Lu, Yinyao Lin, Huan Yang, Zhengqi Lu
Atherosclerosis, a chronic inflammatory disease, is the major cause of life-threatening complications such as myocardial infarction and stroke. Endothelial cells (ECs) apoptosis plays a vital role in the initiation and progression of atherosclerosis. Although a subset of microRNAs (miRNAs) have been identified as critical regulators of atherosclerosis, studies on their participation in endothelial apoptosis in atherosclerosis have been limited. In the current study, we show that miRNA-150 (miR-150) expression was substantially up-regulated during the oxidized low-density lipoprotein (ox-LDL)-induced apoptosis in human umbilical cord vein endothelial cells (HUVECs)...
January 21, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28109960/rna-nanoparticle-based-targeted-therapy-for-glioblastoma-through-inhibition-of-oncogenic-mir-21
#3
Tae Jin Lee, Ji Young Yoo, Dan Shu, Hui Li, Jianying Zhang, Jun-Ge Yu, Alena Cristina Jaime-Ramirez, Mario Acunzo, Giulia Romano, Ri Cui, Hui-Lung Sun, Zhenghua Luo, Matthew Old, Balveen Kaur, Peixuan Guo, Carlo M Croce
Targeted inhibition of oncogenic miRNA-21 has been proposed to treat glioblastoma by rescuing tumor suppressors, PTEN and PDCD4. However, systemic delivery of anti-miR-21 sequences requires a robust and efficient delivery platform to successfully inhibit this druggable target. Three-way-junction (3WJ)-based RNA nanoparticles (RNP), artificially derived from pRNA of bacteriophage phi29 DNA packaging motor, was recently shown to target glioblastoma. Here, we report that multi-valent folate (FA)-conjugated 3WJ RNP constructed to harbor anti-miR-21 LNA sequences (FA-3WJ-LNA-miR21) specifically targeted and delivered anti-miR-21 LNA and knocked down miR-21 expression in glioblastoma cells in vitro and in vivo with favorable biodistribution...
January 18, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28109717/dicer-1-regulates-proliferative-potential-of-drosophila-larval-neural-stem-cells-through-bantam-mirna-based-down-regulation-of-the-g1-s-inhibitor-dacapo
#4
Animesh Banerjee, Jagat Kumar Roy
The present work elucidates the role of miRNA in cell cycle regulation during brain development in Drosophila. Here we report that lineage specific depletion of dicer-1, a classically acknowledged miRNA biogenesis protein in neuroblasts leads to a reduction in their numbers and size in the third instar larval central brain. These brains also showed lower number of mitotically active cells and when homozygous mitotic clones were generated in an otherwise heterozygous dicer-1 mutant background via MARCM technique, they showed reduced number of progeny cells in individual clones, substantiating the adverse effect of the loss of dicer-1 on the proliferative potential of neuroblasts...
January 18, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28109198/mir-143-induces-the-apoptosis-of-prostate-cancer-lncap-cells-by-suppressing-bcl-2-expression
#5
Zhiwei Ma, Yizhao Luo, Mingxing Qiu
BACKGROUND Prostate cancer has become a serious threat to the life of patients. microRNAs are small non-coding RNA molecules that regulate the growth and apoptosis of cells. We aimed to investigate the regulation and mechanism of microRNA (miR-143) in the proliferation and apoptosis of prostate cancer LNCap cells. MATERIAL AND METHODS miR-143 and control scramble miRNA were synthesized and respectively transfected into LNCap cells. The proliferation and apoptosis were detected by MTT assay, flow cytometry, and caspase-3 activity assay...
January 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28109133/the-prognostic-and-therapeutic-application-of-micrornas-in-breast-cancer-tissue-and-circulating-micrornas
#6
REVIEW
Afsane Bahrami, Seyed Amir Aledavoud, Kazem Anvari, Seyed Mahdi Hassanian, Mina Maftouh, Ali Yaghobzade, Omid Salarzaee, Soodabeh ShahidSales, Amir Avan
Breast cancer is the second most common malignancy diagnosed in women, supporting the need for identification of novel prognostic and diagnostic biomarkers. Recently, microRNAs have emerged as molecular regulators that can have key roles in pathogenesis and progression of different malignancies, including breast cancer. Micro-RNAs can be circulated in body fluid, suggesting their values as non-invasive marker. There is growing body of evidence showing the aberrant activation of some known circulating miRNAs, e...
January 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28109115/-research-progress-of-mirnas-targeting-gsk-3%C3%AE-in-regulation-of-hepatocellular-carcinoma-invasion-and-metastasis
#7
Song-Qi He, Bin Wen, Guan-Xin Chen, Hai-Tao Sun, Jia-Ling Sun, Xue-Mei Yang
Invasion and metastasis are key factors contributing to the high mortality rate of patients with hepatocellular carcinoma (HCC) involving a complex mechanism. In the invasion and metastasis of HCC, miRNAs can serve as either oncogenes or tumor suppressor genes to regulate the differentiation and proliferation of tumor cells being and play important roles in tumorigenesis, angiogenesis, invasion and metastasis. This review summarizes the recent progress in research of the molecular mechanisms by which miRNAs targeting GSK-3β regulate HCC invasion and metastasis and examines the roles of miRNAs in hepatocellular carcinoma cell proliferation, apoptosis, invasion, metastasis, and GSK-3β regulation...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28109084/mir-5195-3p-inhibits-proliferation-and-invasion-of-human-bladder-cancer-cells-by-directly-targeting-oncogene-klf5
#8
Zhangjie Jiang, Yida Zhang, Runfu Cao, Li Li, Kezhao Zhong, Qingsheng Chen, Jianjun Xiao
MiRNAs played key roles in carcinogenesis of many cancers including bladder cancer. In current study, the role of miR-5195-3p, a quite recently discovered and poorly studied miRNA, in the proliferation and invasion of human bladder cancer cells was investigated. Our data displayed that, compared with the healthy volunteers (control) and SU-HUC-1 human normal bladder epithelial cells, miR-5195-3p was sharply down-regulated in the bladder cancer patients and 5 human bladder cancer cell lines. Then, the oligo miR-5195-3p mimic or miR-5195-3p antagomir was respectively transfected into both T24 and BIU-87 bladder cancer cell lines...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28109080/microrna-21-inhibits-the-apoptosis-of-osteosarcoma-cell-line-saos-2-via-targeting-caspase-8
#9
Bin Xu, Hehuan Xia, Junming Cao, Zhihong Wang, Yipeng Yang, Yongsheng Lin
Currently, multiple microRNAs (miRNAs) have been found play vital roles in the pathogenesis of osteosarcoma. This studywas aimed to investigate the role of miR-21 in osteosarcoma. The level of miR-21 in 20 pairs of osteosarcoma and correspondingly adjacent tissues were monitored by qPCR. Human osteosarcoma cells line SAOS-2 was transfected with either miR-21 mimic or miR-21 inhibitor, and then cell viability, survival and apoptosis were respectively measured by MTT, colony formation assay, and flow cytometry...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28109076/microrna-409-3p-represses-glioma-cell-invasion-and-proliferation-by-targeting-high-mobility-group-nucleosome-binding-domain-5
#10
Yidong Cao, Liang Zhang, Minghao Wei, Xue Jiang, Dong Jia
Emerging evidence has suggested that aberrantly expressed microRNAs (miRNAs) are associated with glioma development andprogression. The aberrant expression of miR-409-3p has been reported in several human cancers. However, little is known about the function of miR-409-3p in gliomas. The aim of this study was to investigate the specific role and molecular mechanism of miR-409-3p in gliomas. In the present study, we found that miR-409-3p was downregulated in glioma tissue and cell lines. Overexpression of miR-409-3p inhibited glioma cell invasion and proliferation, whereas suppression of miR-409-3p promoted glioma cell invasion and proliferation...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28108660/from-benchmarking-hits-clip-peak-detection-programs-to-a-new-method-for-identification-of-mirna-binding-sites-from-ago2-clip-data
#11
Silvia Bottini, Nedra Hamouda-Tekaya, Bogdan Tanasa, Laure-Emmanuelle Zaragosi, Valerie Grandjean, Emanuela Repetto, Michele Trabucchi
Experimental evidence indicates that about 60% of miRNA-binding activity does not follow the canonical rule about the seed matching between miRNA and target mRNAs, but rather a non-canonical miRNA targeting activity outside the seed or with a seed-like motifs. Here, we propose a new unbiased method to identify canonical and non-canonical miRNA-binding sites from peaks identified by Ago2 Cross-Linked ImmunoPrecipitation associated to high-throughput sequencing (CLIP-seq). Since the quality of peaks is of pivotal importance for the final output of the proposed method, we provide a comprehensive benchmarking of four peak detection programs, namely CIMS, PIPE-CLIP, Piranha and Pyicoclip, on four publicly available Ago2-HITS-CLIP datasets and one unpublished in-house Ago2-dataset in stem cells...
January 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28108447/mirmine-a-database-of-human-mirna-expression-profiles
#12
Bharat Panwar, Gilbert S Omenn, Yuanfang Guan
MOTIVATION: MicroRNAs (miRNAs) are small non-coding RNAs that are involved in post-transcriptional regulation of gene expression. In this high-throughput sequencing era, a tremendous amount of RNA-seq data is accumulating, and full utilization of publicly available miRNA data is an important challenge. These data are useful to determine expression values for each miRNA, but quantification pipelines are in a primitive stage and still evolving; there are many factors that affect expression values significantly...
January 19, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28108314/mirna-638-promotes-autophagy-and-malignant-phenotypes-of-cancer-cells-via-directly-suppressing-dact3
#13
Yanli Ren, Yujie Chen, Xue Liang, Yan Lu, Wenting Pan, Ming Yang
Dyregulation of autophagy is implicated in human cancers and the mechanism details remains largely unclear. Herein we report the regulatory role of miR-638 in autophagy of esophageal squamous cell carcinoma (ESCC) and breast cancer cells. We found that miR-638 overexpression promotes starvation- and rapamycin-induced autophagy. In ESCC and breast cancer cells, miR-638 acts as an oncogene and promote cell proliferation, migration, as well as invasion in vitro and in vivo. In accordance with this, we observed significantly higher miR-638 expression in ESCC and breast cancer tissues compared to normal tissues...
January 17, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28107753/role-of-central-opioid-on-the-antinociceptive-effect-of-sulfated-polysaccharide-from-the-red-seaweed-solieria-filiformis-in-induced-temporomandibular-joint-pain
#14
Ianna Wivianne Fernandes Araújo, Hellíada Vasconcelos Chaves, José Mário Pachêco, Danielle Rocha Val, Lorena Vasconcelos Vieira, Rodrigo Santos, Raul Sousa Freitas, Renata Line Rivanor, Valdécio Silvano Monteiro, Juliana Trindade Clemente-Napimoga, Mirna Marques Bezerra, Norma Maria Barros Benevides
This study aimed to investigate the effect of sulfated polysaccharide from red seaweed Solieria filiformis (Fraction F II) in the inflammatory hypernociception in the temporomandibular joint (TMJ) of rats. Male Wistar rats were pretreated (30min) with a subcutaneous injection (s.c.) of vehicle or FII (0.03, 0.3 or 3.0mg/kg) followed by intra-TMJ injection of 1.5% Formalin or 5-hydroxytryptamine (5-HT, 225μg/TMJ). In other set of experiments rats were pretreated (15min) with an intrathecal injection of the non-selective opioid receptors Naloxone, or μ-opioid receptor antagonist CTOP, or δ-opioid receptor Naltridole hydrochloride, or κ-opioid receptor antagonist Nor-Binaltorphimine (Nor-BNI) followed by injection of FII (s...
January 17, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28107707/uremia-modulates-the-phenotype-of-aortic-smooth-muscle-cells
#15
Marie Madsen, Annemarie Aarup, Sebastian Albinsson, Karsten Hartvigsen, Charlotte M Sørensen, Karolina Turczynska, Lars B Nielsen, Tanja Xenia Pedersen
BACKGROUND AND AIMS: Chronic kidney disease leads to uremia and markedly accelerates atherosclerosis. Phenotypic modulation of smooth muscle cells (SMCs) in the arterial media plays a key role in accelerating atherogenesis. The aim of this study was to investigate whether uremia per se modulates the phenotype of aortic SMCs in vivo. METHODS: Moderate uremia was induced by 5/6 nephrectomy in apolipoprotein E knockout (ApoE(-/-)) and wildtype C57Bl/6 mice. Plasma analysis, gene expression, histology, and myography were used to determine uremia-mediated changes in the arterial wall...
December 23, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/28107581/mir-9-plays-a-role-in-il-10-mediated-expression-of-e-cadherin-in-acute-myelogenous-leukemia-cells
#16
Chie Nishioka, Takayuki Ikezoe, Bin Pan, Kailin Xu, Akihito Yokoyama
We previously showed that the CD82/STAT5/IL-10 axis is activated in CD34(+) /CD38(-) acute myelogenous leukemia (AML) cells which favor bone marrow microenvironment. The present study explored the novel biological function of IL-10 in regulation of expression of adhesion molecules in AML cells and found that exposing AML cells to IL-10 induced expression of E-cadherin, but not other adhesion molecules including VLA4, CD29, and LFA1. Downregulation of E-cadherin with a small interfering RNA (siRNA) suppressed the adhesion of leukemia cells to bone marrow-derived mesenchymal stem cells and enhanced the anti-leukemia effect of cytarabine (AraC)...
January 20, 2017: Cancer Science
https://www.readbyqxmd.com/read/28107482/a-circulating-microrna-signature-predicts-age-based-development-of-lymphoma
#17
Afshin Beheshti, Charles Vanderburg, J Tyson McDonald, Charusheila Ramkumar, Tatenda Kadungure, Hong Zhang, Ronald B Gartenhaus, Andrew M Evens
Extensive epidemiological data have demonstrated an exponential rise in the incidence of non-Hodgkin lymphoma (NHL) that is associated with increasing age. The molecular etiology of this remains largely unknown, which impacts the effectiveness of treatment for patients. We proposed that age-dependent circulating microRNA (miRNA) signatures in the host influence diffuse large B cell lymphoma (DLBCL) development. Our objective was to examine tumor development in an age-based DLBCL system using an inventive systems biology approach...
2017: PloS One
https://www.readbyqxmd.com/read/28107426/identification-of-micrornas-in-response-to-drought-in-common-wild-rice-oryza-rufipogon-griff-shoots-and-roots
#18
Jing-Wen Zhang, Yan Long, Man-de Xue, Xing-Guo Xiao, Xin-Wu Pei
BACKGROUND: Drought is the most important factor that limits rice production in drought-prone environments. Plant microRNAs (miRNAs) are involved in biotic and abiotic stress responses. Common wild rice (Oryza rufipogon Griff.) contains abundant drought-resistant genes, which provide an opportunity to explore these excellent resources as contributors to improve rice resistance, productivity, and quality. RESULTS: In this study, we constructed four small RNA libraries, called CL and CR from PEG6000-free samples and DL and DR from PEG6000-treated samples, where 'R' indicates the root tissue and 'L' indicates the shoot tissue...
2017: PloS One
https://www.readbyqxmd.com/read/28107197/mtdh-promotes-glioma-invasion-through-regulating-mir-130b-cernas
#19
Liping Tong, Ming Chu, Bingqing Yan, Weiyi Zhao, Shuang Liu, Wei Wei, Huihuang Lou, Shengkun Zhang, Shuai Ma, Juan Xu, Lanlan Wei
Cell invasion is crucial for high mortality and recurrence rate in glioma. Epithelial-mesenchymal transition (EMT) is an important step in cancer invasion. Metadherin (MTDH) contributes to EMT in several cancers, but the role and mechanism of MTDH in EMT-like process of glioma remain unknown. Here we demonstrate that MTDH was overexpressed in glioma tissues and cells and induced EMT-like change and invasion of glioma cells. Interestingly, MTDH could modulate the expression of a group of glioma-related miRNAs...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28107180/identification-of-micrornas-implicated-in-the-late-differentiation-stages-of-normal-b-cells-suggests-a-central-role-for-mirna-targets-zeb1-and-tp53
#20
Giorgio Malpeli, Stefano Barbi, Simonetta Zupo, Gabriele Tosadori, Giovanni Scardoni, Anna Bertolaso, Silvia Sartoris, Stefano Ugel, Caterina Vicentini, Matteo Fassan, Annalisa Adamo, Mauro Krampera, Maria Teresa Scupoli, Carlo Maria Croce, Aldo Scarpa
In the late B cell differentiation stages, miRNAs expression modifications promoting or inhibiting key pathways are only partially defined. We isolated 29 CD19+ human B cell samples at different stages of differentiation: B cells from peripheral blood; naïve, germinal center (GC) and subepithelial (SE) B cells from tonsils. SE cells were further split in activated and resting B cell. The miRNA expression profile of these B cells was assessed by microarray analysis and selected miRNAs were validated by quantitative RT-PCR and in situ hybridization on normal tonsils...
January 17, 2017: Oncotarget
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