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miR 155

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https://www.readbyqxmd.com/read/29228427/mir-155-regulates-lymphoma-cell-proliferation-and-apoptosis-through-targeting-socs3-jak-stat3-signaling-pathway
#1
X-D Li, X-M Li, J-W Gu, X-C Sun
OBJECTIVE: Janus kinase (JAK)- signal transducer and activator of transcription (STAT) signaling pathway participates in regulating cell proliferation, differentiation, and apoptosis, and related to lymphoma. Suppressors of cytokine signaling 3 (SOCS3) is a negative regulator of the JAK-STAT signaling pathway. SOCS3 reduction and miR-155 up-regulation are associated with lymphoma pathogenesis. Bioinformatics analysis showed the complementary binding site between miR-155 and SOCS3. This study aimed to investigate the role of miR-155 in regulating SOCS3/JAK-STAT signaling pathway and affecting diffuse large B cell lymphoma (DLBCL) cell proliferation and apoptosis...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228417/mir-155-affects-renal-carcinoma-cell-proliferation-invasion-and-apoptosis-through-regulating-gsk-3%C3%AE-%C3%AE-catenin-signaling-pathway
#2
R-J Wei, C-H Zhang, W-Z Yang
OBJECTIVE: Glycogen Synthase Kinase-3β (GSK-3β) negatively regulates Wnt/β-catenin signaling pathway through degrading β-catenin protein. It plays an inhibitory role in various tumors, while the influence in the pathogenesis of renal carcinoma has not been elucidated. MicroRNA-155 (MiR-155) was found to be upregulated in renal carcinoma tissue. Bioinformatics analysis revealed the complementary binding site between miR-155 and 3'-UTR of GSK-3β. This study investigated the influence of miR-155 in regulating GSK-3β expression, Wnt/β-catenin signaling pathway activity, and renal carcinoma cell proliferation, invasion, and apoptosis...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29224731/highly-specific-real-time-quantification-of-diverse-micrornas-in-human-samples-using-universal-primer-set-frame
#3
Wancun Zhang, Jiaqi Zhang, Qi Zhang, Fang Hu, Yueqing Gu
In this study, one group of universal primer set frame, composed by one reverse transcription (RT) primer frame and a pair of quantitative real-time polymerase chain reaction (qRT-PCR) primer frames, was elaborately screened and designed by homebuilt software for sensitive and specific quantification of diverse miRNAs. The universal primer set frame can be applied for multiplex miRNAs detection by simply changing the RT-X part of RT primer frame and RP-Y part of qRT-PCR reverse primer frame based on target sequence...
December 7, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/29219113/diagnostic-role-of-microrna-expression-profile-in-the-prenatal-amniotic-fluid-samples-of-pregnant-women-with-down-syndrome
#4
Emin Karaca, Ayça Aykut, Biray Ertürk, Burak Durmaz, Ahmet Güler, Barış Büke, Ahmet Özgür Yeniel, Ahmet Mete Ergenoğlu, Ferda Özkınay, Mehmet Özeren, Mert Kazandı, Fuat Akercan, Sermet Sağol, Cumhur Gündüz, Özgür Çoğulu
BACKGROUND: Down syndrome is the most common chromosomal anomaly in humans. Down syndrome is the most common chromosomal anomaly in humans affecting people from every race and age. Most of the cases are can be diagnosed by prenatal diagnostic methods in pregnancy. Due to the longtime of culture method applied for prenatal diagnosis, genetic analysis has been developed and developing for rapid diagnosis. For this reason, the effective use of miRNAs was investigated in the rapid analysis of prenatal samples with Down syndrome...
December 8, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/29217774/microrna-155-is-a-direct-target-of-meis1-but-not-a-driver-in-acute-myeloid-leukemia
#5
Edith Schneider, Anna Staffas, Linda Röhner, Erik D Malmberg, Arghavan Ashouri, Kathrin Krowiorz, Nicole Pochert, Christina Miller, Stella Yuan Wei, Laleh Arabanian, Christian Buske, Hartmut Döhner, Lars Bullinger, Linda Fogelstrand, Michael Heuser, Konstanze Döhner, Ping Xiang, Jens Ruschmann, Oleh I Petriv, Alireza Heravi-Moussavi, Carl L Hansen, Martin Hirst, R Keith Humphries, Arefeh Rouhi, Lars Palmqvist, Florian Kuchenbauer
MicroRNA-155 (miR-155) is one of the first described oncogenic miRNAs. Although multiple direct targets of miR-155 have been identified, it is not clear how it contributes to the pathogenesis of acute myeloid leukemia. We found miR-155 to be a direct target of Meis1 in murine Hoxa9/Meis1 induced acute myeloid leukemia. The additional overexpression of miR 155 accelerated the formation of acute myeloid leukemia in Hoxa9 as well as in Hoxa9/Meis1 cells in vivo. However, in the absence or after the removal of miR-155, leukemia onset and progression were unaffected...
December 7, 2017: Haematologica
https://www.readbyqxmd.com/read/29214365/profiling-differential-microrna-expression-between-in-situ-infiltrative-and-lympho-vascular-space-invasive-breast-cancer-a-pilot-study
#6
Patsy S Soon, Pamela J Provan, Edward Kim, Nirmala Pathmanathan, Dinny Graham, Christine L Clarke, Rosemary L Balleine
Ductal carcinoma in situ (DCIS), invasive breast cancer (IBC) and lympho-vascular invasion (LVI) represent distinct stages in breast cancer progression with different clinical implications. Altered microRNA (miRNA) expression may play a role in mediating the progression of DCIS to IBC and LVI. The aim of this pilot study was to investigate whether differential miRNA expression could play a role in breast cancer progression. Cancer cells from DCIS, IBC and LVI were microdissected from formalin fixed paraffin embedded (FFPE) tissue of five breast cancer samples...
December 6, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29208766/mir-146a-c-g-polymorphism-increased-the-risk-of-head-and-neck-cancer-but-overall-cancer-risk-a-analyses-of-89-studies
#7
Dezhong Sun, Xiaoyan Zhang, Xiaolei Zhang
Several studies have evaluated the association of miR-146a C/G with head and neck cancer (HNC) susceptibility, and overall cancer risk, but inconclusive outcomes. To drive a more precise estimation, we carried out this meta-analysis. The literature searched from Medline (Mainly PubMed), Embase, the Cochrane Library and Google Scholar databases to identify eligible studies. A total of 89 studies were included. The results showed that miR-146a C/G was significantly associated with increased head and neck cancer risk in dominant model ( I2 = 15...
December 5, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29200854/oligosaccharide-nanomedicine-of-alginate-sodium-improves-therapeutic-results-of-posterior-lumbar-interbody-fusion-with-cages-for-degenerative-lumbar-disease-in-osteoporosis-patients-by-downregulating-serum-mir-155
#8
Yang Qu, Zhengming Wang, Haohan Zhou, Mingyang Kang, Rongpeng Dong, Jianwu Zhao
Degenerative lumbar disease (DLD) is a significant issue for public health. Posterior lumbar intervertebral fusion with cages (PLIFC) has high-level fusion rate and realignment on DLD. However, there are some complications following the surgery. Alginate oligosaccharides (AOS) have antioxidant and anti-inflammatory activities and may be suitable for infection therapy. MiR-155 is a biomarker associated with inflammatory and oxidative stress. AOS may promote PLIFC therapy by regulating miR-155. Pluronic nanoparticles and oligosaccharide nanomedicine of alginate sodium (ONAS) were prepared with ampicillin at size <200 nm...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29194612/nanocurcumin-restores-aberrant-mirna-expression-profile-in-multiple-sclerosis-randomized-double-blind-placebo-controlled-trial
#9
Sanam Dolati, Leili Aghebati Maleki, Majid Ahmadi, Faroogh Marofi, Zohreh Babaloo, Hormoz Ayramloo, Zahra Jafarisavari, Hamid Oskouei, Amir Afkham, Vahid Younesi, Mohammad Nouri, Mehdi Yousefi
OBJECTIVE: In the current study, we aimed to identify nanocurcumin effects on microRNAs (miRNAs) in the peripheral blood of patients with relapsing-remitting multiple sclerosis (RRMS). We intended to investigate the expression pattern of these miRNAs in experimental settings in vivo. METHODS: The expression levels of the selected 27 miRNAs known to be involved in the regulation of immune responses were analyzed in 50 RRMS patients and 35 healthy controls. The miRNA expression profiles were investigated by quantitative PCR (qPCR) at baseline and after 6 months of nanocurcumin therapy...
December 1, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29191771/silencing-rno-mir-155-5p-in-rat-temporal-lobe-epilepsy-model-reduces-pathophysiological-features-and-cell-apoptosis-by-activating-sestrin-3
#10
Li-Gang Huang, Jing Zou, Qin-Chi Lu
Temporal lobe epilepsy (TLE) is a chronic neurological disease characterized by recurrent spontaneous seizures. MicroRNAs are dysregulated in various pathological conditions including epilepsy. Therefore, we hypothesized that the dysregulation of these microRNAs might also be associated with the pathogenesis of TLE. In this study, we found that a microRNA, hsa-miR-155-5p, was upregulated in patients with TLE post-surgery, and hence associated with clinical and pathological manifestations and seizure outcomes...
November 27, 2017: Brain Research
https://www.readbyqxmd.com/read/29186297/non-coding-rnas-in-cardiovascular-disease-pathological-relevance-and-emerging-role-as-biomarkers-and-therapeutics
#11
Roopesh S Gangwar, Sanjay Rajagopalan, Rama Natarajan, Jeffrey A Deiuliis
Non-coding RNAs (ncRNA) include a diverse range of functional RNA species-microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) being most studied in pathophysiology. Cardiovascular morbidity is associated with differential expression of myriad miRNAs; miR-21, miR-155, miR-126, miR-146a/b, miR-143/145, miR-223, and miR-221 are the top nine most reported miRNAs in hypertension and atherosclerotic disease. A single miRNA may have hundreds of messenger RNA targets, which makes a full appreciation of the physiologic ramifications of such broad-ranging effects a challenge...
November 22, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/29172404/small-rna-sequencing-profiles-of-mir-181-and-mir-221-the-most-relevant-micrornas-in-acute-myeloid-leukemia
#12
Yun-Gyoo Lee, Inho Kim, Somi Oh, Dong-Yeop Shin, Youngil Koh, Keun-Wook Lee
Background/Aims: To evaluate and select microRNAs relevant to acute myeloid leukemia (AML) pathogenesis, we analyzed differential microRNA expression by quantitative small RNA next-generation sequencing using duplicate marrow samples from individual AML patients. Methods: For this study, we obtained paired marrow samples at two different time points (initial diagnosis and first complete remission status) in patients with AML. Bone marrow microRNAs were profiled by next-generation small RNA sequencing...
November 27, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29170479/carbon-monoxide-prevents-tnf-%C3%AE-induced-enos-downregulation-by-inhibiting-nf-%C3%AE%C2%BAb-responsive-mir-155-5p-biogenesis
#13
Seunghwan Choi, Joohwan Kim, Ji-Hee Kim, Dong-Keon Lee, Wonjin Park, Minsik Park, Suji Kim, Jong Yun Hwang, Moo-Ho Won, Yoon Kyung Choi, Sungwoo Ryoo, Kwon-Soo Ha, Young-Guen Kwon, Young-Myeong Kim
Heme oxygenase-1-derived carbon monoxide prevents inflammatory vascular disorders. To date, there is no clear evidence that HO-1/CO prevents endothelial dysfunction associated with the downregulation of endothelial NO synthesis in human endothelial cells stimulated with TNF-α. Here, we found that the CO-releasing compound CORM-2 prevented TNF-α-mediated decreases in eNOS expression and NO/cGMP production, without affecting eNOS promoter activity, by maintaining the functional activity of the eNOS mRNA 3'-untranslated region...
November 24, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29163821/the-clinical-use-of-circulating-micrornas-as-non-invasive-diagnostic-biomarkers-for-lung-cancers
#14
Yanlong Yang, Zaoxiu Hu, Yongchun Zhou, Guangqiang Zhao, Yujie Lei, Guangjian Li, Shuai Chen, Kai Chen, Zhenghai Shen, Xiao Chen, Peilin Dai, Yunchao Huang
Many studies have investigated the diagnostic role of circulating microRNAs (miRNAs) in patients with lung cancer; however, the results still remain inconclusive. An updated system review and meta-analysis was necessary to give a comprehensive evaluation of diagnostic role of circulating miRNAs in lung cancer. Eligible studies were searched in electronical databases. The sensitivity and specificity were used to plot the summary receiver operator characteristic (SROC) curve and calculate the area under the curve (AUC)...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163801/long-non-coding-rna-ccat1-modulates-neuropathic-pain-progression-through-sponging-mir-155
#15
Lidong Dou, Hongqi Lin, Kaiwei Wang, Guosong Zhu, Xuli Zou, Enqiang Chang, Yongfeng Zhu
Neuropathic pain is caused by dysfunction or primary injury of the somatosensory nervous system. Long noncoding RNAs (lncRNAs) play important roles in the development of neuropathic pain. However, the effects of lncRNA colon cancer associated transcript-1 (CCAT1) in neuropathic pain have not been reported. The model of bilateral sciatic nerve chronic constriction injuries (bCCI) is regarded as long-lasting mechanical hypersensitivity and cold allodynia, which is the representative symptom in the human subjects suffering from the neuropathic pain...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163428/hhv-6a-6b-infection-of-nk-cells-modulates-the-expression-of-mirnas-and-transcription-factors-potentially-associated-to-impaired-nk-activity
#16
Roberta Rizzo, Irene Soffritti, Maria D'Accolti, Daria Bortolotti, Dario Di Luca, Elisabetta Caselli
Natural killer (NK) cells have a critical role in controlling virus infections, and viruses have evolved several mechanisms to escape NK cell functions. In particular, Human herpesvirus 6 (HHV-6) is associated with diseases characterized by immune dysregulation and has been reported to infect NK cells. We recently found that HHV-6 in vitro infection of human thyroid follicular epithelial cells and T-lymphocytes modulates several miRNAs associated with alterations in immune response. Since miRNAs are key regulators of many immune pathways, including NK cell functions, we aimed to study the impact of HHV-6A and -6B in vitro infection on the intracellular mediators correlated to NK cell function...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29162878/comparative-analysis-of-cytokine-chemokine-regulatory-networks-in-patients-with-hippocampal-sclerosis-hs-and-focal-cortical-dysplasia-fcd
#17
Arpna Srivastava, Aparna Banerjee Dixit, Debasmita Paul, Manjari Tripathi, Chitra Sarkar, P Sarat Chandra, Jyotirmoy Banerjee
Experimental and clinical evidence have demonstrated aberrant expression of cytokines/chemokines and their receptors in patients with hippocampal sclerosis (HS) and focal cortical dysplasia (FCD). However, there is limited information regarding the modulation of cytokine/chemokine-regulatory networks, suggesting contribution of miRNAs and downstream transcription factors/receptors in these pathologies. Hence, we studied the levels of multiple inflammatory mediators (IL1β, IL1Ra, IL6, IL10, CCL3, CCL4, TNFα and VEGF) along with transcriptional changes of nine related miRNAs and mRNA levels of downstream effectors of significantly altered cytokines/chemokines in brain tissues obtained from patients with HS (n = 26) and FCD (n = 26)...
November 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29161332/osteoglycin-inhibition-by-microrna-mir-155-impairs-myogenesis
#18
Paula Paccielli Freire, Sarah Santiloni Cury, Grasieli de Oliveira, Geysson Javier Fernandez, Leonardo Nazario Moraes, Bruno Oliveira da Silva Duran, Juarez Henrique Ferreira, César Seigi Fuziwara, Edna Teruko Kimura, Maeli Dal-Pai-Silva, Robson Francisco Carvalho
Skeletal myogenesis is a regulated process in which mononucleated cells, the myoblasts, undergo proliferation and differentiation. Upon differentiation, the cells align with each other, and subsequently fuse to form terminally differentiated multinucleated myotubes. Previous reports have identified the protein osteoglycin (Ogn) as an important component of the skeletal muscle secretome, which is expressed differentially during muscle development. However, the posttranscriptional regulation of Ogn by microRNAs during myogenesis is unknown...
2017: PloS One
https://www.readbyqxmd.com/read/29150993/overexpression-of-mir-31-in-peripheral-blood-mononuclear-cells-pbmc-from-patients-with-ankylosing-spondylitis
#19
Mengmeng Wang, Li Wang, Xu Zhang, Xiao Yang, Xiaona Li, Qing Xia, Mengya Chen, Renfang Han, Rui Liu, Shengqian Xu, Faming Pan
BACKGROUND miRNAs play vital roles in regulating immunologic functions and autoimmunity. However, the levels of miR-31, miR-155, miR-16, and miR-181a have not been explored in AS, but were verified to play vital roles in other immunological diseases. The aim of our study was to examine whether the expressions of miR-31, miR-155, miR-16, and miR-181a are abnormal in AS. MATERIAL AND METHODS Real-time transcription-polymerase chain reaction analysis (RT-PCR) was used to determine the expression of miR-31, miR-155, miR-16, and miR-181a in peripheral blood mononuclear cells (PBMC) from 40 patients with AS and 40 healthy controls...
November 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29150345/hydrostatic-pressure-as-epigenetic-modulator-in-chondrocyte-cultures-a-study-on-mirna-155-mirna-181a-and-mirna-223-expression-levels
#20
Anna De Palma, Sara Cheleschi, Nicola Antonio Pascarelli, Stefano Giannotti, Mauro Galeazzi, Antonella Fioravanti
Mechanical stimuli and hydrostatic pressure (HP) play an important role in the regulation of chondrocytes metabolism. Growing evidence demonstrated the ability of mechanical loading to modulate the expression of microRNA (miRNA) involved in chondrocytes homeostasis and in the pathogenesis of osteoarthritis (OA). The expression of miR-155, miR-181a and miR-223 in normal and OA chondrocyte cultures, and their potential modifications following exposure to three hours of a cyclic HP (1-5 MPa, frequency 0.25 Hz) were investigated...
November 7, 2017: Journal of Biomechanics
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