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miRNA Lung cancer

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https://www.readbyqxmd.com/read/28431267/mir-19-targeting-of-gsk3%C3%AE-mediates-sulforaphane-suppression-of-lung-cancer-stem-cells
#1
Jianyun Zhu, Shijia Wang, Yue Chen, Xiaoting Li, Ye Jiang, Xue Yang, Yuan Li, Xiaoqian Wang, Yu Meng, Mingming Zhu, Xiao Ma, Cong Huang, Rui Wu, Chunfeng Xie, Shanshan Geng, Jieshu Wu, Caiyun Zhong, Hongyu Han
Cancer stem cells (CSCs) play a central role in the development of cancer. The canonical Wnt/β-catenin pathway is critical for maintaining stemness of CSCs. Phytochemicals from dietary compounds possess anti-CSCs properties and have been characterized as promising therapeutic agents for the prevention and treatment of many cancers. To date, the involvement and function of miR-19, a key oncogenic miRNA, in regulating Wnt/β-catenin pathway and lung CSCs has not been defined. Meanwhile, the effect of sulforaphane (SFN) on lung CSCs also remains to be elucidated...
April 5, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28415380/mir-98-inhibits-expression-of-twist-to-prevent-progression-of-non-small-cell-lung-cancers
#2
Haiyu Zhou, Zhizhou Huang, Xuemei Chen, Size Chen
Evidence is mounting that micro RNAs (miRNAs) play a critical role in tumor development. However, the role of miRNAs in lung cancer progression remains largely unknown. Herein, we found that miR-98 significantly impaired in patients with non-small cell lung cancers (NSCLC) and was a novel regulator of NSCLC progression. Patients with high miR-98 expression had a longer overall survival than with low miR-98 expression (p=0.0495). miR-98 expression level inversely correlated with TWIST mRNA level in 71 clinical tissue specimens of NSCLC (p<0...
April 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28410417/genetic-variant-of-mir-4293-rs12220909-is-associated-with-susceptibility-to-non-small-cell-lung-cancer-in-a-chinese-han-population
#3
Lixia Fan, Linqi Chen, Xiaoling Ni, Shicheng Guo, Yinghui Zhou, Chenji Wang, Yabiao Zheng, Fangyuan Shen, Vijay Kumar Kolluri, Merlin Muktiali, Zhenhong Zhao, Junjie Wu, Dunmei Zhao, Zhenglei He, Xulong Feng, Ziyu Yuan, Juan Zhang, Li Jin, Jiucun Wang, Minghua Wang
Non-small cell lung cancer is one of the most common cancers and the leading cause of cancer death worldwide. Genetic variants in regulatory regions of some miRNAs might be involved in non-small cell lung cancer susceptibility and survival. rs12220909 (G/C) genetic polymorphism in miR-4293 has been shown to be associated with decreased risk of esophageal squamous cell carcinoma. However, the influence of rs12220909 genetic variation on non-small cell lung cancer susceptibility has not been reported. In order to evaluate the potential association between miR-4293 rs12220909 and non-small cell lung cancer risk in a Chinese population, we performed a case-control study among 998 non-small cell lung cancer cases and 1471 controls...
2017: PloS One
https://www.readbyqxmd.com/read/28401709/the-role-of-microrna-93-regulating-angiopoietin2-in-the-formation-of-malignant-pleural-effusion
#4
Qian Qian, Wenkui Sun, Wen Zhu, Yanan Liu, Ai Ge, Yuan Ma, Yu Zhang, Xiaoning Zeng, Mao Huang
The biological roles of miRNAs in the development of malignant pleural effusion (MPE) are unclear. In this study, the miRNA microarray analysis was performed in two different prognosis groups of lung adenocarcinoma patients. Expression profiles of miRNAs in MPEs were identified. With the help of quantification PCR, we confirmed the expression differences of miRNAs and further analyzed their biological functions and relative target genes in vitro. The target gene of miR-93 was estimated by online database, and also, the protein was tested...
April 11, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28401017/mir-495-promotes-the-chemoresistance-of-sclc-through-the-epithelial-mesenchymal-transition-via-etk-bmx
#5
Ting Wei, Weiliang Zhu, Shun Fang, Xiangpin Zeng, Jie Huang, Jie Yang, Jian Zhang, Linlang Guo
miR-495 serves as an oncogenic miRNA or a tumor suppressor in different types of cancer. However, its role in the drug resistance of small cell lung cancer (SCLC) remains unidentified. In this study, we investigated whether miR-495 regulates the chemoresistance of SCLC through the epithelial-mesenchymal transition (EMT) via Epithelial and endothelial tyrosine kinase (Etk/BMX) using two drug-resistant cell lines. Loss- and gain-of-function experiments showed miR-495 regulated cell proliferation, tumor growth and drug resistance...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28393200/microrna-187-modulates-epithelial-mesenchymal-transition-by-targeting-ptrf-in-non-small-cell-lung-cancer
#6
Yanjun Cai, Jian Ruan, Xueqing Yao, Liang Zhao, Baocheng Wang
MicroRNAs (miRNAs) that negatively regulate gene expression play a key role in the development and progression of cancer. Aberrant expression of hsa-miR-187 (miR-187) has been reported in various malignancies. However, the function of miR-187 in tumor progression remains controversial and its role in non-small cell lung cancer (NSCLC) is poorly understood. In the present study, the role of miR-187 in the progression of NSCLC was investigated. Our results revealed that miR-187 was frequently upregulated in NSCLC tissues and cells...
April 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28363780/mir-199a-5p-and-mir-495-target-grp78-within-upr-pathway-of-lung-cancer
#7
Azam Ahmadi, Behzad Khansarinejad, Saman Hosseinkhani, Mostafa Ghanei, Seyed Javad Mowla
INTRODUCTION: Non-small cell lung cancer (NSCLC) is the most common subtype of lung cancer. One of the signal transduction pathways related to NSCLC is Unfolded Protein Response (UPR), which is mainly regulated by GRP78 (HSPA5, Gene ID: 3309). The aim of this study was to employ bioinformatics tools to predict microRNAs (miRNAs) affecting GRP78 expression, experimentally validate interaction of these miRNAs with GRP78 and also evaluating the expression correlation of GRP78 and its predicted miRNAs in clinical samples...
March 28, 2017: Gene
https://www.readbyqxmd.com/read/28356944/plasma-mir-145-mir-20a-mir-21-and-mir-223-as-novel-biomarkers-for-screening-early-stage-non-small-cell-lung-cancer
#8
Hui Zhang, Feng Mao, Tuyang Shen, Qingquan Luo, Zhengping Ding, Liqiang Qian, Jia Huang
Non-small cell lung cancer (NSCLC) is the leading cause of cancer-related mortality in the world. Late diagnosis is one of the most significant reasons for the high mortality rate of lung cancer. The identification of microRNAs (miRNAs) has opened a new field for molecular diagnosis of cancer. The purpose of the present study was to investigate whether plasma miRNAs may be used as biomarkers for early-stage NSCLC. A total of 232 participants, including 149 NSCLC patients and 83 healthy controls, were recruited between July 2012 and May 2014...
February 2017: Oncology Letters
https://www.readbyqxmd.com/read/28356006/body-fluids-derived-exosomes-paving-the-novel-road-to-lung-cancer-diagnosis-and-therapy
#9
Yu Sun, Lin Li, Jing Liu, Liang Wang
Lung cancer is a major human malignancy. Nowadays, the lack of specific diagnostic marker of lung cancer restricts the early diagnosis and therapy of patients. Exosomes, as spherical 30-100 nm microvesicles, are released by normal and cancer cells in both physiological and pathological circumstances. Exosomes carry various molecular cargos such as miRNA, proteins, mRNA, DNA and lipids. Therefore, analysis the molecular profiles of exosomes may provide beneficial biomarkers for disease diagnosis. Exosomes can be transported by body fluids...
March 27, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28350100/overexpression-of-mir-203-increases-the-sensitivity-of-nsclc-a549-h460-cell-lines-to-cisplatin-by-targeting-dickkopf-1
#10
Ruirui Cheng, Chunya Lu, Guojun Zhang, Guowei Zhang, Guoqiang Zhao
The number of new lung cancer cases diagnosed yearly is high, and the mortality rate has not substantially declined. Non-small cell lung cancer (NSCLC) is the most common type of lung cancer, and adenocarcinoma accounts for the largest proportion of NSCLC. Currently, platinum-based combined chemotherapy, particularly cisplatin (DDP) is still the main form of treatment for advanced NSCLC. However, cisplatin resistance often occurs in patients who receive chemotherapy. Previous studies offer various explanations for how miRNAs affect cisplatin resistance, but the underlying mechanism remains largely unknown...
April 2017: Oncology Reports
https://www.readbyqxmd.com/read/28349893/expression-of-mirna-21-mirna-107-mirna-137-and-mirna-29b-in-meningioma
#11
Salim Katar, Oguz Baran, Sevket Evran, Serdar Cevik, Enes Akkaya, Gozde Baran, Veysel Antar, Hakan Hanimoglu, Mehmet Yasar Kaynar
OBJECTIVE: Meningiomas are among the most common intracranial tumors, accounting for 30% of all tumors of the central nervous system. Recent studies analyzing microRNA (miRNA) profiles and functions in cancer have provided valuable information about the molecular pathogenesis of several tumor types, including glioblastoma multiforme (GBM), hepatocellular carcinoma, and breast, lung, colon, and prostate cancer. miRNAs are a family of small, endogenous, noncoding RNAs of 18-25 nucleotides...
March 20, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28349433/targeting-promoter-associated-noncoding-rna-in-vivo
#12
Gianluca Civenni
There are many classes of noncoding RNAs (ncRNAs), with wide-ranging functionalities (e.g., RNA editing, mediation of mRNA splicing, ribosomal function). MicroRNAs (miRNAs) and long ncRNAs (lncRNAs) are implicated in a wide variety of cellular processes, including the regulation of gene expression. Incorrect expression or mutation of lncRNAs has been reported to be associated with several disease conditions, such a malignant transformation in humans. Importantly, pivotal players in tumorigenesis and cancer progression, such as c-Myc, may be regulated by lncRNA at promoter level...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28346474/the-microrna-205-5p-is-correlated-to-metastatic-potential-of-21t-series-a-breast-cancer-progression-model
#13
L Stankevicins, A Barat, P Dessen, Y Vassetzky, C V de Moura Gallo
MicroRNA is a class of noncoding RNAs able to base pair with complementary messenger RNA sequences, inhibiting their expression. These regulatory molecules play important roles in key cellular processes including cell proliferation, differentiation and response to DNA damage; changes in miRNA expression are a common feature of human cancers. To gain insights into the mechanisms involved in breast cancer progression we conducted a microRNA global expression analysis on a 21T series of cell lines obtained from the same patient during different stages of breast cancer progression...
2017: PloS One
https://www.readbyqxmd.com/read/28341621/cancer-cachexia-induced-muscle-atrophy-evidence-for-alterations-in-micrornas-important-for-muscle-size
#14
David Edward Lee, Jacob L Brown, Megan E Rosa-Caldwell, Thomas A Blackwell, Richard A Perry, Lemuel A Brown, Bhuwan Khatri, Dongwon Seo, Walter Gay Bottje, Tyrone Anthony Washington, Michael P Wiggs, Byung-Whi Kong, Nicholas Perry Greene
Muscle atrophy is a hallmark of cancer cachexia resulting in impaired function and quality of life and cachexia is the immediate cause of death for 20-40% of cancer patients. Multiple microRNAs (miRNAs) have been identified as being involved in muscle development and atrophy, however less is known specifically on miRNAs in cancer cachexia. PURPOSE: The purpose of this investigation was to examine the miRNA profile of skeletal muscle atrophy induced by cancer cachexia to uncover potential miRNAs involved with this catabolic condition...
March 24, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28337746/thymidylate-synthase-is-functionally-associated-with-zeb1-and-contributes-to-the-epithelial-to-mesenchymal-transition-of-cancer-cells
#15
Aarif Siddiqui, Maria Eleni Vazakidou, Annemarie Schwab, Francesca Napoli, Cristina Fernandez-Molina, Ida Rapa, Marc P Stemmler, Marco Volante, Thomas Brabletz, Paolo Ceppi
Thymidylate synthase (TS) is a fundamental enzyme of nucleotide metabolism and one of the oldest anti-cancer targets. Beginning from the analysis of gene array data from the NCI-60 panel of cancer cell lines, we identified a significant correlation at both gene and protein level between TS and the markers of epithelial-to-mesenchymal transition (EMT), a developmental process that allows cancer cells to acquire features of aggressiveness, like motility and chemoresistance. TS levels were found to be significantly augmented in mesenchymal-like compared to epithelial-like cancer cells, to be regulated by EMT induction, and to negatively correlate with micro-RNAs (miRNAs) usually expressed in epithelial-like cells and known to actively suppress EMT...
March 24, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28337276/microrna-9-regulates-non-small-cell-lung-cancer-cell-invasion-and-migration-by-targeting-eukaryotic-translation-initiation-factor-5a2
#16
Guodong Xu, Guofeng Shao, Qiaoling Pan, Lebo Sun, Dawei Zheng, Minghui Li, Ni Li, Huoshun Shi, Yiming Ni
MicroRNAs (miRNAs) play a critical role in cancer development and progression. Bioinformatics analyses has identified eukaryotic translation initiation factor 5A2 (eIF5A2) as a target of miR-9. In this study, we attempted to determine whether miR-9 regulates non-small cell lung cancer (NSCLC) cell invasion and migration by targeting eIF5A2 We examined eIF5A2 expression using reverse transcription-quantitative PCR (RT-qPCR) and subsequently transfected A549 and NCI-H1299 NSCLC cells with a miR-9 mimic or miR-9 inhibitor to determine the migration and invasive capability of the cells via wound healing assay and Transwell invasion assay, respectively...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28334118/individualized-analysis-of-differentially-expressed-mirnas-with-application-to-the-identification-of-mirnas-deregulated-commonly-in-lung-cancer-tissues
#17
Haidan Yan, Hao Cai, Qingzhou Guan, Jun He, Juan Zhang, You Guo, Haiyan Huang, Xiangyu Li, Yawei Li, Yunyan Gu, Lishuang Qi, Zheng Guo
Identifying differentially expressed microRNAs (DE miRNAs) between cancer samples and normal controls is a common way to investigate carcinogenesis mechanisms. However, for a DE miRNA detected at the population-level, we do not know whether it is DE in a particular cancer sample. Here, based on the finding that the within-sample relative expression orderings of miRNA pairs are highly stable in a particular type of normal tissues but widely disrupted in the corresponding cancer tissues, we proposed a method, called RankMiRNA, to identify DE miRNAs in each cancer tissue compared with its own normal state...
February 23, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28325285/targeted-expression-of-mir-7-operated-by-ttf-1-promoter-inhibited-the-growth-of-human-lung-cancer-through-the-ndufa4-pathway
#18
Liangyu Lei, Chao Chen, Juanjuan Zhao, HaiRong Wang, Mengmeng Guo, Ya Zhou, Junming Luo, Jidong Zhang, Lin Xu
Targeted expression of gene technique is an important therapeutic strategy for lung cancer. MicroRNA-7 has been well documented as a promising tumor suppressor but never been test in specific gene-promoter-targeted expression in cancer gene therapy. Here, we first evaluated the efficacy of miR-7 expression operated by the promoter of TTF-1, a lineage-specific oncogene in lung cancer, in vitro using an eukaryotic vector of TTF-1-promoter-operated expression of miR-7 (termed as p-T-miR-7). Interestingly, using a nude mice model, the growth and metastasis of human lung cancer cells in vivo were significantly reduced in remote hypodermic injection of the p-T-miR-7 group, accompanied by increased expression of miR-7 and reduced transduction of the Akt and Erk pathway in situ...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28325280/mir-134-a-human-cancer-suppressor
#19
REVIEW
Jing-Yu Pan, Feng Zhang, Cheng-Cao Sun, Shu-Jun Li, Guang Li, Feng-Yun Gong, Tao Bo, Jing He, Rui-Xi Hua, Wei-Dong Hu, Zhan-Peng Yuan, Xin Wang, Qi-Qiang He, De-Jia Li
MicroRNAs (miRNAs) are small noncoding RNAs approximately 20-25 nt in length, which play crucial roles through directly binding to corresponding 3' UTR of targeted mRNAs. It has been reported that miRNAs are involved in numerous of diseases, including cancers. Recently, miR-134 has been identified to dysregulate in handles of human cancers, such as lung cancer, glioma, breast cancer, colorectal cancer, and so on. Increasing evidence indicates that miR-134 is essential for human carcinoma and participates in tumor cell proliferation, apoptosis, invasion and metastasis, drug resistance, as well as cancer diagnosis, treatment, and prognosis...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28322342/therapy-targeted-to-the-metastatic-niche-is-effective-in-a-model-of-stage-iv-breast-cancer
#20
Byunghee Yoo, Amol Kavishwar, Ping Wang, Alana Ross, Pamela Pantazopoulos, Michael Dudley, Anna Moore, Zdravka Medarova
Treatment of stage IV metastatic breast cancer patients is limited to palliative options and represents an unmet clinical need. Here, we demonstrate that pharmacological inhibition of miRNA-10b - a master regulator of metastatic cell viability - leads to elimination of distant metastases in a mouse model of metastatic breast cancer. This was achieved using the miRNA-10b inhibitory nanodrug, MN-anti-miR10b, which consists of magnetic nanoparticles, conjugated to LNA-based miR-10b antagomirs. Intravenous injection of MN-anti-miR10b into mice bearing lung, bone, and brain metastases from breast cancer resulted in selective accumulation of the nanodrug in metastatic tumor cells...
March 21, 2017: Scientific Reports
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