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https://www.readbyqxmd.com/read/28231299/exploration-of-inhibitory-mechanisms-of-curcumin-in-lung-cancer-metastasis-using-a-mirna-transcription-factor-target-gene-network
#1
De-Min Jiao, Li Yan, Li-Shan Wang, Hui-Zhen Hu, Xia-Li Tang, Jun Chen, Jian Wang, You Li, Qing-Yong Chen
The present study was aimed to unravel the inhibitory mechanisms of curcumin for lung cancer metastasis via constructing a miRNA-transcription factor (TF)-target gene network. Differentially expressed miRNAs between human high-metastatic non-small cell lung cancer 95D cells treated with and without curcumin were identified using a TaqMan human miRNA array followed by real-time PCR, out of which, the top 6 miRNAs (miR-302b-3p, miR-335-5p, miR-338-3p, miR-34c-5p, miR-29c-3p and miR-34a-35p) with more verified target genes and TFs than other miRNAs as confirmed by a literature review were selected for further analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28228659/mir-99a-suppresses-cell-invasion-and-metastasis-in-nasopharyngeal-carcinoma-through-targeting-hoxa1
#2
Jian-Gang Wang, Wu-Ping Tang, Ming-Chu Liao, Yan-Ping Liu, Xiao-Hong Ai
BACKGROUND: Recent studies reported that miRNAs play important roles in the carcinogenesis and progression of nasopharyngeal carcinoma (NPC). Therefore, further studies are warranted to better elucidate the function and mechanism of miRNAs in NPC. METHODS: Quantitative reverse transcription-polymerase chain reaction (RT-PCR) was used to detect the miR-99a expression in NPC cell lines and tissue samples. Wound healing, transwell migration and invasion, and lung metastatic colonization assays were performed to determine NPC cell migratory, invasive and metastatic abilities of NPC cells...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28225782/chronic-treatment-of-non-small-cell-lung-cancer-cells-with-gefitinib-leads-to-an-epigenetic-loss-of-epithelial-properties-associated-with-reductions-in-microrna-155-and-200c
#3
Michiko Narita, Eri Shimura, Atsumi Nagasawa, Toshiki Aiuchi, Yukari Suda, Yusuke Hamada, Daigo Ikegami, Chizuru Iwasawa, Kazuhiko Arakawa, Katsuhide Igarashi, Naoko Kuzumaki, Yusuke Yoshioka, Takahiro Ochiya, Hideyuki Takeshima, Toshikazu Ushijima, Minoru Narita
BACKGROUND: The EGFR tyrosine kinase inhibitor gefitinib is used in therapy for non-small-cell lung cancer (NSCLC). However, its application is limited by resistance-accelerated disease progression, which is accompanied by the epithelial-to-mesenchymal transition (EMT). In the present study, we performed multiple expression analyses of microRNAs (miRNAs) and quantified the expression of several related EMT players in gefitinib-resistant NSCLC cells. METHODS AND RESULTS: To establish gefitinib-resistant NSCLC cells, gefitinib-sensitive HCC827 cells, which exhibit an in-frame deletion [E746-A750] in EGFR exon 19, were exposed to gefitinib for at least 1...
2017: PloS One
https://www.readbyqxmd.com/read/28218277/mir-203-enhances-let-7-biogenesis-by-targeting-lin28b-to-suppress-tumor-growth-in-lung-cancer
#4
Yong Zhou, Hongwei Liang, Zhicong Liao, Yanbo Wang, Xiuting Hu, Xi Chen, Lin Xu, Zhibin Hu
Human cancers often exhibit increased microRNA (miRNA) biogenesis and global aberrant expression of miRNAs; thus, targeting the miRNA biogenesis pathway represents a novel strategy for cancer therapy. Here, we report that miR-203 enhances the biogenesis of tumor suppressor let-7 in lung cancer by directly targeting LIN28B. Specially, we found that the LIN28B protein levels were dramatically increased in lung cancer tissues, but its mRNA levels did not differ significantly, suggesting that a post-transcriptional mechanism is involved in LIN28B regulation...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28214904/rs10719-polymorphism-located-within-drosha-3-untranslated-region-is-responsible-for-development-of-primary-hypertension-by-disrupting-binding-with-microrna-27b
#5
Yabing Zhang, Ai-Lin Cao, Chun Dong
BACKGROUND MiR-27b is reportedly involved with many diseases (e.g., gastric cancer) by acting on different signaling pathways. In this study, we aimed at understanding the relationship between miR-27b and hypertension and its underlying molecular mechanism. MATERIAL AND METHODS Peripheral blood was collected from patients with hypertension, and statistical analysis was performed to study the association between rs10719 and risk of hypertension. Tissue samples were collected from patients with lung cancer, and the expression of miR-27b and DROSHA was determined using Western blot analysis and real-time PCR...
February 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28214878/mirna-26a-contributes-to-the-acquisition-of-malignant-behaviors-of-doctaxel-resistant-lung-adenocarcinoma-cells-through-targeting-ezh2
#6
Jing Chen, Yuejuan Xu, Leilei Tao, Yan Pan, Kai Zhang, Rui Wang, Long-Bang Chen, Xiaoyuan Chu
BACKGROUND/AIMS: Accumulating evidence revealed that microRNAs (miRNAs) have been demonstrated as critical molecules in tumor development and progression. MiR-26a, located in a fragile chromosomal region associated with various human cancer, has been reported to be involved in regulating various cellular process, such as proliferation, apoptosis and invasion through targeting multiple oncogene. Docetaxel-mediated chemotherapy has been applied in improving the survival and prognosis of patients with advanced lung adenocarcinoma (LAD)...
February 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28202053/up-regulation-of-mir-146a-increases-the-sensitivity-of-non-small-cell-lung-cancer-to-ddp-by-downregulating-cyclin-j
#7
Lin Shi, Zhaozhong Xu, Gang Wu, Xiaoting Chen, Yuanyuan Huang, Yanjing Wang, Weiqiang Jiang, Bin Ke
BACKGROUND: Cisplatin (DDP)-based chemotherapy is the common first-line therapy for lung cancer. However, their efficacy is often limited by primary drug resistance and/or acquired drug resistance. The aim of this study was to investigate the function of miRNA-146a (miR-146a) in DDP-resistant non-small cell lung cancer (NSCLC), as well as the underlying mechanisms. METHODS: The effect of overexpression of miR-146a and/or knockdown of cyclin J (CCNJ) in A549/DDP and SPC-A1/DDP cells were investigated as follows...
February 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28199399/mirna-148a-serves-as-a-prognostic-factor-and-suppresses-migration-and-invasion-through-wnt1-in-non-small-cell-lung-cancer
#8
Yong Chen, Lingfeng Min, Chuanli Ren, Xingxiang Xu, Jianqi Yang, Xinchen Sun, Tao Wang, Fang Wang, Changjiang Sun, Xizhi Zhang
Lung cancer is the leading cause of cancer death in the world, and aberrant expression of miRNA is a common feature during the cancer initiation and development. Our previous study showed that levels of miRNA-148a assessed by quantitative real-time polymerase chain reaction (qRT-PCR) were a good prognosis factor for non-small cell lung cancer (NSCLC) patients. In this study, we used high-throughput formalin-fixed and paraffin-embedded (FFPE) lung cancer tissue arrays and in situ hybridization (ISH) to determine the clinical significances of miRNA-148a and aimed to find novel target of miRNA-148a in lung cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28197369/the-transcriptome-of-lung-tumor-infiltrating-dendritic-cells-reveals-a-tumor-supporting-phenotype-and-a-microrna-signature-with-negative-impact-on-clinical-outcome
#9
Lotte Pyfferoen, Elisabeth Brabants, Celine Everaert, Nancy De Cabooter, Kelly Heyns, Kim Deswarte, Manon Vanheerswynghels, Sofie De Prijck, Glenn Waegemans, Melissa Dullaers, Hamida Hammad, Olivier De Wever, Pieter Mestdagh, Jo Vandesompele, Bart N Lambrecht, Karim Y Vermaelen
Targeting immunomodulatory pathways has ushered a new era in lung cancer therapy. Further progress requires deeper insights into the biology of immune cells in the lung cancer micro-environment. Dendritic cells (DCs) represent a heterogeneous and highly plastic immune cell system with a central role in controlling immune responses. The intratumoral infiltration and activation status of DCs are emerging as clinically relevant parameters in lung cancer. In this study, we used an orthotopic preclinical model of lung cancer to dissect how the lung tumor micro-environment affects tissue-resident DCs and extract novel biologically and clinically relevant information...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28194229/circulating-and-tissue-biomarkers-in-early-stage-non-small-cell-lung-cancer
#10
Caterina Fumagalli, Fabrizio Bianchi, Paola Rafaniello Raviele, Davide Vacirca, Giovanni Bertalot, Cristiano Rampinelli, Matteo Lazzeroni, Bernardo Bonanni, Giulia Veronesi, Nicola Fusco, Massimo Barberis, Elena Guerini-Rocco
OBJECTIVE: We sought to characterise circulating and tissue tumour biomarkers of patients who developed early-stage non-small cell lung cancer (NSCLC) during long-term follow-up of a chemoprevention trial (NCT00321893). MATERIALS AND METHODS: Blood and sputum samples were collected from 202 high-risk asymptomatic individuals with CT-detected stable lung nodules. Real-time PCR was performed on plasma to quantify free circulating DNA. Baseline serum was investigated with a previously validated test based on 13 circulating miRNAs (miR-Test)...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28193507/identification-of-organ-tissue-types-and-skin-from-forensic-samples-by-microrna-expression-analysis
#11
Eva Sauer, Antje Extra, Philipp Cachée, Cornelius Courts
The identification of organ tissues in traces recovered from scenes and objects with regard to violent crimes involving serious injuries can be of considerable relevance in forensic investigations. Molecular genetic approaches are provably superior to histological and immunological assays in characterizing organ tissues, and micro-RNAs (miRNAs), due to their cell type specific expression patterns and stability against degradation, emerged as a promising molecular species for forensic analyses, with a range of tried and tested indicative markers...
February 5, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28193481/epigenetic-and-transcriptomic-regulation-of-lung-repair-during-recovery-from-influenza-infection
#12
Derek A Pociask, Keven M Robinson, Kong Chen, Kevin J McHugh, Michelle E Clay, Grace T Huang, Panayiotis V Benos, Yvonne M W Janssen-Heininger, Jay K Kolls, Vikas Anathy, John F Alcorn
Seasonal and pandemic influenza is a cause of morbidity and mortality worldwide. Most people infected with influenza virus display mild-to-moderate disease phenotypes and recover within a few weeks. Influenza is known to cause persistent alveolitis in animal models; however, little is known about the molecular pathways involved in this phenotype. We challenged C57BL/6 mice with influenza A/PR/8/34 and examined lung pathologic processes and inflammation, as well as transcriptomic and epigenetic changes at 21 to 60 days after infection...
February 9, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28192937/amplification-and-quantification-of-an-antisense-oligonucleotide-from-target-microrna-using-programmable-dna-and-a-biological-nanopore
#13
Moe Hiratani, Masayuki Ohara, Ryuji Kawano
This paper describes a strategy for autonomous diagnoses of cancers using microRNA (miRNA) and therapy for tumor cells by DNA computing techniques and nanopore measurement. Theranostics, which involves the combination of diagnosis and therapy, has emerged as an approach for personalized medicine or point-of-care cancer diagnostics. DNA computing will become a potent tool for theranostics because it functions completely autonomously without the need for external regulations. However, conventional theranostics using DNA computing involves a one-to-one reaction in which a single input molecule generates a single output molecule; the concentration of the antisense drug is insufficient for the therapy in this type of reaction...
February 9, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28192397/downregulation-of-mir-218-contributes-to-epithelial-mesenchymal-transition-and-tumor-metastasis-in-lung-cancer-by-targeting-slug-zeb2-signaling
#14
Z-M Shi, L Wang, H Shen, C-F Jiang, X Ge, D-M Li, Y-Y Wen, H-R Sun, M-H Pan, W Li, Y-Q Shu, L-Z Liu, S C Peiper, J He, B-H Jiang
Epithelial-mesenchymal transition (EMT) has been recognized as a key element of cell migration and invasion in lung cancer; however, the underlying mechanisms are not fully elucidated. Recently, emerging evidence suggest that miRNAs have crucial roles in control of EMT and EMT-associated traits such as migration, invasion and chemoresistance. Here, we found that miR-218 expression levels were significantly downregulated in lung cancer tissues compared with adjacent non-cancerous tissues, and the levels of miR-218 were significantly associated with histological grades and lymph node metastasis...
February 13, 2017: Oncogene
https://www.readbyqxmd.com/read/28189067/microrna-489-plays-an-anti-metastatic-role-in-human-hepatocellular-carcinoma-by-targeting-matrix-metalloproteinase-7
#15
Yixiong Lin, Jianjun Liu, Yuqi Huang, Dingli Liu, Guowei Zhang, Heping Kan
Dysregulation of microRNAs (miRNAs) is actively involved in the pathogenesis and tumorigenicity of hepatocellular carcinoma (HCC). miR-489 was found to play either oncogenic or tumor suppressive roles in human cancers. Recent study reported that the levels of miR-489 in late recurrent HCC patients were evidently higher than that in early recurrent cases, suggesting that miR-489 may function as a tumor suppressive miRNA in HCC. Yet, the clinical value and biological function of miR-489 remain rarely known in HCC...
February 8, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28186469/blood-based-nucleic-acid-biomarkers-as-a-potential-tool-to-determine-radiation-therapy-response-in-non-small-cell-lung-cancer
#16
Christopher R Deig, Marc S Mendonca, Tim Lautenschlaeger
Lung cancer is the leading cause of cancer deaths worldwide, with smoking as the main risk factor. The use of low-dose computed tomography (LDCT) as a screening method has shown a 20% lung cancer specific mortality benefit; however, widespread implementation is estimated to add $1.3-$2.0 billion in annual national health care expenditures. Blood-based microRNAs (miRNAs), have been investigated in detail and found to be potentially useful biomarkers indicating the presence of lung cancer, especially when used as a companion test to LDCT...
February 10, 2017: Radiation Research
https://www.readbyqxmd.com/read/28178679/circulating-microrna-422a-is-associated-with-lymphatic-metastasis-in-lung-cancer
#17
Lina Wu, Bo Hu, Bingtian Zhao, Yinan Liu, Yue Yang, Lijian Zhang, Jinfeng Chen
To identify specific circulating microRNAs that were associated with the lymphatic metastasis in lung cancer, we performed miRNA microarray analysis of lymph node with and without metastasis from five lung cancer patients. Top six differentially expressed miRNAs were selected for further validation. A training cohort of 26 patients with lung cancer was firstly recruited and the selected miRNAs in the plasma samples were investigated. miRNA-422a, with highest diagnostic accuracy in lymphatic metastasis was identified (AUC, area under the receiver operating characteristic curve, 0...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28167280/the-mir-599-promotes-non-small-cell-lung-cancer-cell-invasion-via-satb2
#18
Wenjun Tian, Guanghai Wang, Yiqing Liu, Zhenglan Huang, Caiqing Zhang, Kang Ning, Cuixiang Yu, Yajuan Shen, Minghui Wang, Yuantang Li, Yong Wang, Bingchang Zhang, Yaoran Zhao
MicroRNAs (miRNAs) play important roles in the pathogenesis of many types of cancers by negatively regulating gene expression at posttranscriptional level. Here, we identified that miR-599 is up-regulated in non-small cell lung cancer (NSCLC) patients. It promoted NSCLC cell proliferation by negatively regulating SATB2. In NSCLC cell lines, CCK-8 proliferation assay indicated that the cell proliferation is promoted by miR-599 mimics. Transwell assay showed that miR-599 mimics promoted the invasion and migration of NSCLC cells...
February 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28164670/prognostic-value-of-expression-of-micrornas-in-non-small-cell-lung-cancer-a-systematic-review-and-meta-analysis
#19
Bingxiang Zhan, Dapeng Lu, Peng Luo, Baolong Wang
BACKGROUND: microRNAs are widely involved in a variety of life processes and considered as potential biomarkers of tumor prognosis. A growing number of studies have documented that miRNAs were associated with outcome in NSCLC patients and can act as a prognostic marker. However, existing studies concerning the relationship between miRNAs and outcome in NSCLC patients were contentious and dispersive. Therefore, a systematic metaanalysis to explore the prognostic value of miRNAs on NSCLC patients is urgently needed...
November 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28164492/significance-of-serum-micrornas-in-the-auxiliary-diagnosis-of-non-small-cell-lung-cancer
#20
Guang-Li Shi, Yan Chen, Yong Sun, Yan-Jun Yin, Chang-Xing Song
BACKGROUND: The lack of effective means for the early diagnosis of non-small cell lung cancer (NSCLC) is the leading cause of the high mortality associated with this form of lung cancer. This study aims to explore the potential significance of serum miRNA in the auxiliary diagnosis of NSCLC. METHODS: The relative serum levels of 10 miRNAs in 120 patients with NSCLC, 45 patients with benign lung diseases, and 45 healthy controls were detected using real-time quantitative polymerase chain reaction (PCR)...
January 1, 2017: Clinical Laboratory
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