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https://www.readbyqxmd.com/read/29223853/role-of-mir-195-in-cigarette-smoke-induced-chronic-obstructive-pulmonary-disease
#1
Wenchao Gu, Yaping Yuan, Hua Yang, Hao Wu, Linxuan Wang, Zhijun Tang, Qiang Li
Chronic obstructive pulmonary disease (COPD) is regarded as a persistent respiratory symptom, mainly caused by cigarette smoking. Recent data have suggested that some miRNAs are involved in the pathogenesis of COPD. Here, we found that miR-195 was significantly upregulated in the lung tissues of patients with COPD compared to in never smokers. miR-195 expression was also upregulated in cigarette smoke (CS)-exposed mice. Lentivirus-mediated knockdown of miR-195 alleviated CS-induced lung pathological changes and reduced inflammatory cell infiltration as well as production of interleukin-6 and tumor necrosis factor-α in bronchoalveolar lavage fluid...
December 7, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29221754/up-regulation-of-ypel1-and-ypel5-and-down-regulation-of-itga2-in-erlotinib-treated-egfr-mutant-non-small-cell-lung-cancer-a-bioinformatic-analysis
#2
Xiaoli Wu
PURPOSE: This study aimed to identify genes with significant alteration following treatment of epidermal growth factor receptor (EGFR)-mutant non-small cell lung cancer (NSCLC) with tyrosine kinase inhibitors (TKIs). METHODS: We downloaded microarray data of GSE67051 from the Gene Expression Omnibus (GEO) database. Genes with differential expression were identified in two groups: erlotinib-treated versus DMSO-treated PC9 cells and erlotinib-treated versus DMSO-treated HCC827 cells...
December 5, 2017: Gene
https://www.readbyqxmd.com/read/29219949/a-micrna-200c-cathepsin-l-feedback-loop-determines-paclitaxel-resistance-in-human-lung-cancer-a549-cells-in-vitro-through-regulating-epithelial-mesenchymal-transition
#3
Yi-Fan Zhao, Mei-Ling Han, Ya-Jie Xiong, Long Wang, Yao Fei, Xiao Shen, Ying Zhu, Zhong-Qin Liang
Cathepsin L (CTSL), a cysteine protease, is closely related to tumor occurrence, development, and metastasis, and possibly regulates cancer cell resistance to chemotherapy. miRNAs, especially the miR-200 family, have been implicated in drug-resistant tumors. In this study we explored the relationship of CTSL, micRNA-200c and drug resistance, and the potential regulatory mechanisms in human lung cancer A549 cells and A549/TAX cells in vitro. A549/TAX cells were paclitaxel-resistant A549 cells overexpressing CTSL and characterized by epithelial-mesenchymal transition (EMT)...
December 7, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29218237/increased-mir-21a-provides-metabolic-advantages-through-suppression-of-fbp1-expression-in-non-small-cell-lung-cancer-cells
#4
Qingchun Dai, Na Li, Xiaohong Zhou
Lung cancer is the most common solid tumor and the leading cause of cancer-related mortality worldwide. miR-21 is one of the most commonly observed aberrant miRNAs in human cancers. However, the biological roles of miR-21 in glucose metabolism of non-small cell lung cancer (NSCLC) cells remain unknown. In the present study, our findings demonstrated that miR-21 promoted glucose uptake and increased TXNIP expression. miR-21 increased lactate generation and decreased oxygen consumption in NSCLC cells. Moreover, we found that miR-21 promoted glycolysis and decreased OXPHOS...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29212284/systematic-review-and-critique-of-circulating-mirnas-as-biomarkers-of-stage-i-ii-non-small-cell-lung-cancer
#5
REVIEW
Francesca Moretti, Paola D'Antona, Emanuele Finardi, Marco Barbetta, Lorenzo Dominioni, Albino Poli, Elisabetta Gini, Douglas M Noonan, Andrea Imperatori, Nicola Rotolo, Maria Cattoni, Paola Campomenosi
Selected circulating microRNAs (miRNAs) have been suggested for non-invasive screening of non-small cell lung cancer (NSCLC), however the numerous proposed miRNA signatures are inconsistent. Aiming to identify miRNAs suitable specifically for stage I-II NSCLC screening in serum/plasma samples, we searched the databases "Pubmed", "Medline", "Scopus", "Embase" and "WOS" and systematically reviewed the publications reporting quantitative data on the efficacy [sensitivity, specificity and/or area under the curve (AUC)] of circulating miRNAs as biomarkers of NSCLC stage I and/or II...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29208177/human-haematological-and-epithelial-tumor-derived-cell-lines-express-distinct-patterns-of-onco-micrornas
#6
Flavia Biamonte, Fabiana Zolea, Gianluca Santamaria, Anna M Battaglia, Giovanni Cuda, Francesco Costanzo
MicroRNAs post-transcriptionally regulate gene expression thus playing a critical role in a wide range of physiological and pathological processes, including cancer initiation and progression. Moreover, a growing number of evidences highlights that miRNAs themselves are differentially expressed between normal and malignant tissues. In this study, we analysed differences in miRNA expression profile between haematological and epithelial tumor-derived cell lines and explored their role in definying different cancer cells phenotypes...
November 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29207642/crosstalk-in-competing-endogenous-rna-network-reveals-the-complex-molecular-mechanism-underlying-lung-cancer
#7
Xiang Jin, Yinghui Guan, Hui Sheng, Yang Liu
We investigated the transcriptional mechanism underlying lung cancer development. RNA sequencing analysis was performed on blood samples from lung cancer cases and healthy controls. Differentially expressed microRNAs (miRNAs), circular RNAs (circRNAs), mRNAs (genes), and long non-coding RNAs (lncRNA) were identified, followed by pathway enrichment analysis. Based on miRNA target interactions, a competing endogenous network was established and significant nodes were screened. Differentially expressed transcriptional factors were retrieved from the TRRUST database and the transcriptional factor regulatory network was constructed...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29204322/diagnosis-value-of-aberrantly-expressed-microrna-profiles-in-lung-squamous-cell-carcinoma-a-study-based-on-the-cancer-genome-atlas
#8
Sheng Yang, Jing Sui, Geyu Liang
Background: Lung cancer is considered as one of the most frequent and deadly cancers with high mortality all around the world. It is critical to find new biomarkers for early diagnosis of lung cancer, especially lung squamous cell carcinoma (LUSC). The Cancer Genome Atlas (TCGA) is a database which provides both cancer and clinical information. This study is a comprehensive analysis of a novel diagnostic biomarker for LUSC, based on TCGA. Methods and Results: The present study investigated LUSC-specific key microRNAs (miRNAs) from large-scale samples in TCGA...
2017: PeerJ
https://www.readbyqxmd.com/read/29200203/mir-200b-c-attenuates-lipopolysaccharide-induced-early-pulmonary-fibrosis-by-targeting-zeb1-2-via-p38-mapk-and-tgf-%C3%AE-smad3-signaling-pathways
#9
Yongmei Cao, Yujing Liu, Feng Ping, Lyu Yi, Zhen Zeng, Yingchuan Li
Pulmonary fibrosis triggered during the early stage of acute respiratory distress syndrome (ARDS) contributes to poor prognosis in patients. However, whether microRNAs (miRNAs) can serve as therapeutic targets for early pulmonary fibrosis during ARDS is still largely unknown. In this study, we evaluated the effects and mechanisms of miR-200s and its targets ZEB1/2 in lung tissue. An early pulmonary fibrosis mouse model caused by ARDS was established via a lipopolysaccharide (LPS) three-hit regimen. Lentiviral packaged miR-200b/c cDNA or ZEB1/2 shRNA was intratracheally administered into the lungs of C57BL/6 mice 1 day before an LPS injection was administered...
December 4, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29198020/identification-of-a-novel-intergenic-mirna-located-between-the-human-ddc-and-cobl-genes-with-a-potential-function-in-cell-cycle-arrest
#10
Mohamad Hussein Hoballa, Bahram M Soltani, Seyed Javad Mowla, Mojgan Sheikhpour, Maryam Kay
Frequent abnormalities in 7p12 locus in different tumors like lung cancer candidate this region for novel regulatory elements. MiRNAs as novel regulatory elements encoded within the human genome are potentially oncomiRs or miR suppressors. Here, we have used bioinformatics tools to search for the novel miRNAs embedded within human chromosome 7p12. A bona fide stem loop (named mirZa precursor) had the features of producing a real miRNA (named miRZa) which was detected through RT-qPCR following the overexpression of its precursor...
December 2, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29196495/comparative-transcriptome-profiling-reveals-coding-and-noncoding-rna-differences-in-nsclc-from-african-americans-and-european-americans
#11
Khadijah A Mitchell, Adriana Zingone, Leila Toulabi, Jacob Boeckelman, Bríd M Ryan
Purpose: To determine whether racial differences in gene and miRNA expression translates to differences in lung tumor biology with clinical relevance in African Americans (AAs) and European Americans (EAs).Experimental Design: The NCI-Maryland Case Control Study includes seven Baltimore City hospitals and is overrepresented with AA patients (∼40%). Patients that underwent curative NSCLC surgery between 1998 and 2014 were enrolled. Comparative molecular profiling used mRNA (n = 22 AAs and 19 EAs) and miRNA (n = 42 AAs and 55 EAs) expression arrays to track differences in paired fresh frozen normal tissues and lung tumor specimens from AAs and EAs...
December 1, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29196257/the-mir-875-5p-inhibits-satb2-to-promote-the-invasion-of-lung-cancer-cells
#12
Jun Wang, Yadong Lu, Hao Ding, Tao Gu, Chenhu Gong, Jianfei Sun, Zhihong Zhang, Yucai Zhao, Chunping Ma
The pathogenesis of non-small cell lung cancer (NSCLC) is regulated by various miRNAs. In this study, we identified that miR-875-5pis up-regulated in NSCLC patients, and inhibited SATB Homeobox 2(SATB2) to promote proliferation and invasion of NSCLCcells.CCK-8assay revealed thatmiR-875-5p mimics promoted proliferation of NSCLC cells. Transwell assay showed that miR-875-5pmimicspromoted the invasion and migration of NSCLC cells. Luciferase assays confirmed that miR-875-5pdirectly binds to the 3'untranslated region of SATB2, and western blotting showed that miR-875-5psuppresses the expression of SATB2 at the protein level...
November 28, 2017: Gene
https://www.readbyqxmd.com/read/29191361/comparing-the-effects-of-fluticasone-anti-ige-and-anti-tnf-treatments-in-a-chronic-asthma-model
#13
M Y Ozkars, O Keskin, M Tokur, M Ulasli, B Gogebakan, H Ciralik, E Kucukosmanoglu, C Demirel, S Oztuzcu, H Kahraman
BACKGROUND: Corticosteroids are used in the treatment of asthma. The aim of this study was to determine the efficacy of anti-IgE and anti-TNF alpha as asthma treatments. METHODS: A mouse model of chronic asthma was developed. The fluticasone group was exposed to fluticasone and the anti-IgE and anti-TNF groups were administered anti-IgE or anti-TNF. IL-4, and IgE levels were measured, and histological analysis, pathological analysis and miRNA-126, miRNA-133a analyses were applied...
November 27, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29190828/retraction-exploration-of-inhibitory-mechanisms-of-curcumin-in-lung-cancer-metastasis-using-a-mirna-transcription-factor-target-gene-network
#14
De-Min Jiao, Li Yan, Li-Shan Wang, Hui-Zhen Hu, Xia-Li Tang, Jun Chen, Jian Wang, You Li, Qing-Yong Chen
No abstract text is available yet for this article.
2017: PloS One
https://www.readbyqxmd.com/read/29186897/non-coding-rnas-in-pediatric-airway-diseases
#15
REVIEW
Beata Narożna, Wojciech Langwiński, Aleksandra Szczepankiewicz
Non-coding RNAs (ncRNAs) are involved in the regulation of numerous biological processes and pathways and therefore have been extensively studied in human diseases. Previous reports have shown that non-coding RNAs play a crucial role in the pathogenesis and aberrant regulation of respiratory diseases. The altered expression of microRNAs (miRNAs) and long noncoding RNAs in blood and also locally in sputum or exhaled breath condensate influences lung function, immune response, and disease phenotype and may be used for the development of biomarkers specific for airway disease...
November 27, 2017: Genes
https://www.readbyqxmd.com/read/29186838/role-of-micrornas-in-tgf-%C3%AE-signaling-pathway-mediated-pulmonary-fibrosis
#16
REVIEW
Hara Kang
Pulmonary fibrosis is the most common form of interstitial lung disease. The transforming growth factor-β (TGF-β) signaling pathway is extensively involved in the development of pulmonary fibrosis by inducing cell differentiation, migration, invasion, or hyperplastic changes. Accumulating evidence indicates that microRNAs (miRNAs) are dysregulated during the initiation of pulmonary fibrosis. miRNAs are small noncoding RNAs functioning as negative regulators of gene expression at the post-transcriptional level...
November 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29184676/exosomes-as-diagnostic-and-predictive-biomarkers-in-lung-cancer
#17
REVIEW
Pablo Reclusa, Simona Taverna, Marzia Pucci, Elena Durendez, Silvia Calabuig, Paolo Manca, María José Serrano, Laure Sober, Patrick Pauwels, Antonio Russo, Christian Rolfo
The concept of exosomes has evolved from be considered garbage bags to the demonstration that exosomes could play very interesting roles and functions, from biomarkers detection to the potential of work as drug delivery systems. It has been widely proved that exosomes can contain key molecules important for the tumour development. The current review summarizes the latest investigations developed in the field of predictive exosomal biomarkers. The microRNAs (miRNAs) are the more known molecules due to their amount inside the exosomes and the sensitivity of the techniques available for their study...
October 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29183007/mir-193a-3p-is-an-important-tumour-suppressor-in-lung-cancer-and-directly-targets-kras
#18
Qian Fan, Xiuting Hu, Haiyang Zhang, Shengguang Wang, Huilai Zhang, Chaoying You, Chen-Yu Zhang, Hongwei Liang, Xi Chen, Yi Ba
BACKGROUND/AIMS: MicroRNAs (miRNAs) have emerged as major regulators of tumour development and progression in non-small cell lung cancer (NSCLC). However, the role of miR-193a-3p in NSCLC is still unclear. METHODS: Quantitative RT-PCR was used to detect miR-193a-3p expression levels in NSCLC tumour tissues. CCK8, EdU and cell migration assays were performed to analyse the biological functions of miR-193a-3p in NSCLC cells. Luciferase reporter assays were used to validate the bioinformatics-predicted target genes of miR-193a-3p...
November 29, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29179454/plasma-microrna-alterations-between-egfr-activating-mutational-nsclc-patients-with-and-without-primary-resistance-to-tki
#19
Yihan Ma, Xiaoyan Pan, Peiqi Xu, Yanjun Mi, Wenyi Wang, Xiaoting Wu, Qi He, Xinli Liu, Weiwei Tang, Han-Xiang An
Epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) have obtained excellent therapeutic effects against non-small cell lung cancer (NSCLC) harboring activating EGFR mutations. However, some patients have exhibited primary resistance which becomes a major obstacle in effective treatment of NSCLC. The mechanisms of EGFR-TKIs resistance involved are still poorly understood. Many studies suggest that miRNAs play an important role in regulating drug sensitivity of EGFR-TKIs. The aim of the present study was to examine differentially expressed miRNAs in plasma between EGFR-TKIs sensitive and EGFR-TKIs primary resistance patients...
October 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/29179210/enacs-as-both-effectors-and-regulators-of-mirnas-in-lung-epithelial-development-and-regeneration
#20
Yan Ding, Runzhen Zhao, Xiaoli Zhao, Michael A Matthay, Hong-Guang Nie, Hong-Long Ji
Epithelial sodium channels (ENaC) play an important role in re-absorbing excessive luminal fluid by building up an osmotic Na+ gradient across the tight epithelium in the airway, the lung, the kidney, and the colon. The ENaC is a major pathway for retention of salt in kidney too. MicroRNAs (miRs), a group of non-coding RNAs that regulate gene expression at the post-transcriptional level, have emerged as a novel class of regulators for ENaC. Given the ENaC pathway is crucial for maintaining fluid homeostasis in the lung and the kidney and other cavities, we summarized the cross-talk between ENaC and miRs and recapitulated the underlying regulatory factors, including aldosterone, transforming growth factor-β1, and vascular endothelial growth factor-A in the lung and other epithelial tissues/organs...
November 27, 2017: Cellular Physiology and Biochemistry
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