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https://www.readbyqxmd.com/read/28927144/mir-381-inhibits-migration-and-invasion-in-human-gastric-carcinoma-through-downregulatedting-sox4
#1
Mingming Zhang, Shishu Huang, Dan Long
Aberrant expression of microRNAs (miRs) serves essential roles in the generation and progression of various types of human cancer. In the present study, the expression and biological functions of miR-381 in human gastric carcinoma (GC) were focused upon. The results of reverse transcription-quantitative polymerase chain reaction analysis revealed that the expression of miR-381 was significantly downregulated in GC tissue samples. Furthermore, low expression of miR-381 was identified to be associated with lymphatic metastasis and advanced tumor-node-metastasis stage (III+IV)...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926115/long-non-coding-rna-malat1-promotes-oral-squamous-cell-carcinoma-development-via-microrna-125b-stat3-axis
#2
Shi-Min Chang, Wei-Wei Hu
Oral squamous cell carcinoma (OSCC), as the most common type of oral cancer, is responsible for almost 3% of all malignant tumors worldwide. Non-coding RNAs such as lncRNAs and microRNAs have been involved in many cancers including OSCC. Recently, lncRNA metastasis-associated lung adenocarcinoma transcript-1 (MALAT1) has been reported to play an oncogenic role in OSCC metastasis. However, the underlying mechanism of MALAT1 in regulating OSCC progression remains unclear. The aim of this study was to investigate the specific role of MALAT1 in OSCC development...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28915706/the-role-of-autophagy-in-hepatocellular-carcinoma-friend-or-foe
#3
REVIEW
Lian Liu, Jia-Zhi Liao, Xing-Xing He, Pei-Yuan Li
Autophagy is an evolutionarily conserved lysosome-dependent catabolic process which degrades cell's components in order to recycle substrates to exert optimally and adapt to tough circumstances. It is a critical cellular homeostatic mechanism with stress resistance, immunity, antiaging, and pro-tumor or anti-tumor effects. Among these, the role of autophagy in cancer is the most eye-catching that is not immutable but dynamic and highly complex. Basal autophagy acts as a tumor suppressor by maintaining genomic stability in normal cells...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915561/differentially-expressed-lncrnas-and-mirnas-with-associated-cerna-networks-in-aged-mice-with-postoperative-cognitive-dysfunction
#4
Changwei Wei, Ting Luo, Shanshan Zou, Xiaobin Zhou, Wenzhen Shen, Xiaolin Ji, Qi Li, Anshi Wu
Postoperative cognitive dysfunction (POCD) is a common postoperative complication observed in elderly patients. Using microarray analyses, we comprehensively compared long non-coding RNA (lncRNA), messenger RNA (mRNA), and microRNA (miRNA) expression profiles in hippocampal tissues from a mouse model of POCD and control mice. A total of 175 lncRNAs, 117 mRNAs, and 26 miRNAs were differentially expressed between POCD and control mice. Gene ontology (GO) and KEGG pathway enrichment analyses were performed to explore the principal functions of dysregulated genes...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28910376/long-non-coding-rna-set-and-mir-155-regulate-the-tnf%C3%AE-gene-allelic-expression-profile
#5
Chrysoula Stathopoulou, Manouela Kapsetaki, Kalliopi Stratigi, Charalampos Spilianakis
It is becoming increasingly appreciated that the non-coding genome may have a great impact on the regulation of chromatin structure and gene expression. The innate immune response can be mediated upon lipopolysaccharide stimulation of macrophages which leads to immediate transcriptional activation of early responsive genes including tumor necrosis factor alpha (Tnfα). The functional role of non-coding RNAs, such as lncRNAs and microRNAs, on the transcriptional activation of proinflammatory genes and the subsequent regulation of the innate immune response is still lacking mechanistic insights...
2017: PloS One
https://www.readbyqxmd.com/read/28900284/mir-503-modulates-epithelial-mesenchymal-transition-in-silica-induced-pulmonary-fibrosis-by-targeting-pi3k-p85-and-is-sponged-by-lncrna-malat1
#6
Weiwen Yan, Qiuyun Wu, Wenxi Yao, Yan Li, Yi Liu, Jiali Yuan, Ruhui Han, Jingjin Yang, Xiaoming Ji, Chunhui Ni
Silicosis is a kind of chronic, progressive and incurable lung fibrotic diseases with largely unknown and complex pathogenesis and molecular mechanisms. Mounting evidence suggests that microRNAs (miRNAs, miRs) are involved in the pathogenesis of silicosis. Our previous study based on miRNA microarray had shown that the expression levels of miR-503 were down-regulated in mouse lung tissues of silica-induced pulmonary fibrosis. Here, we validated the decreased expression of miR-503 in the fibrotic mouse lung tissues, human bronchial epithelial cells (HBE) and human lung adenocarcinoma A549 cells which were exposed to silica...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28899360/biological-networks-in-parkinson-s-disease-an-insight-into-the-epigenetic-mechanisms-associated-with-this-disease
#7
Paulami Chatterjee, Debjani Roy, Malay Bhattacharyya, Sanghamitra Bandyopadhyay
BACKGROUND: Parkinson's disease (PD) is the second most prevalent neurodegenerative disorders in the world. Studying PD from systems biology perspective involving genes and their regulators might provide deeper insights into the complex molecular interactions associated with this disease. RESULT: We have studied gene co-expression network obtained from a PD-specific microarray data. The co-expression network identified 11 hub genes, of which eight genes are not previously known to be associated with PD...
September 12, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28887321/lncrna-pagbc-acts-as-a-microrna-sponge-and-promotes-gallbladder-tumorigenesis
#8
Xiang-Song Wu, Fang Wang, Huai-Feng Li, Yun-Ping Hu, Lin Jiang, Fei Zhang, Mao-Lan Li, Xu-An Wang, Yun-Peng Jin, Yi-Jian Zhang, Wei Lu, Wen-Guang Wu, Yi-Jun Shu, Hao Weng, Yang Cao, Run-Fa Bao, Hai-Bin Liang, Zheng Wang, Yi-Chi Zhang, Wei Gong, Lei Zheng, Shu-Han Sun, Ying-Bin Liu
Long noncoding RNAs (lncRNAs) play roles in the development and progression of many cancers; however, the contributions of lncRNAs to human gallbladder cancer (GBC) remain largely unknown. In this study, we identify a group of differentially expressed lncRNAs in human GBC tissues, including prognosis-associated gallbladder cancer lncRNA (lncRNA-PAGBC), which we find to be an independent prognostic marker in GBC Functional analysis indicates that lncRNA-PAGBC promotes tumour growth and metastasis of GBC cells...
September 8, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28887306/the-long-noncoding-rna-pcat-1-links-the-microrna-mir-215-to-oncogene-crkl-mediated-signaling-in-hepatocellular-carcinoma
#9
Yanli Ren, Jinhua Shang, Jinliang Li, Wenjuan Liu, Zhao Zhang, Jupeng Yuan, Ming Yang
The long non-coding RNA (lncRNA) PCAT-1 resides in chromosome 8q24 cancer-risk locus and acts as a vital oncogene during tumorigenesis and progression. However, how PCAT-1 is posttranscriptionally regulated, for example, by small ncRNAs, such as microRNAs (miRNAs) is largely unknown. Here, we report how miRNAs regulate PCAT-1 expression and also investigate the biological significance of this regulation in hepatocellular carcinoma (HCC). We found that miR-215, a P53-inducible miRNA, is a key regulator of PCAT-1 expression in HCC and identified an interaction between miR-215 and PCAT-1 in dual luciferase reporter gene assays...
September 8, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28881680/identification-of-dysregulated-long-non-coding-rnas-micrornas-mrnas-in-tnm-i-stage-lung-adenocarcinoma
#10
Ziqiang Tian, Shiwang Wen, Yuefeng Zhang, Xinqiang Shi, Yonggang Zhu, Yanzhao Xu, Huilai Lv, Guiying Wang
Lung adenocarcinoma (LUAD) is the primary subtype in lung cancer, which is the leading cause of cancer-related death worldwide. This study aimed to investigate the aberrant expression profiling of long non-coding RNA (lncRNA) in TNM I stage (stage I) LUAD. The lncRNA/mRNA/miRNA expression profiling of stage I LUAD and adjacent non-tumor tissues from 4 patients were measured by RNA-sequencing. Total of 175 differentially expressed lncRNAs (DELs), 1321 differentially expressed mRNAs (DEMs) and 94 differentially expressed microRNAs (DEMIs) were identified in stage I LUAD...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28878329/rna-sequencing-and-co-expressed-long-non-coding-rna-in-modern-and-wild-wheats
#11
Halise Busra Cagirici, Burcu Alptekin, Hikmet Budak
There is an urgent need for the improvement of drought-tolerant bread and durum wheat. The huge and complex genome of bread wheat (BBAADD genome) stands as a vital obstruction for understanding the molecular mechanism underlying drought tolerance. However, tetraploid wheat (Triticum turgidum ssp., BBAA genome) is an ancestor of modern bread wheat and offers an important model for studying the drought response due to its less complex genome. Additionally, several wild relatives of tetraploid wheat have already shown a significant drought tolerance...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28864835/neat1-accelerates-the-progression-of-liver-fibrosis-via-regulation-of-microrna-122-and-kruppel-like-factor-6
#12
Fujun Yu, Zhe Jiang, Bicheng Chen, Peihong Dong, Jianjian Zheng
Long non-coding RNAs (lncRNAs) have been reported to be involved in many important biological processes including proliferation, apoptosis, differentiation, and survival. Recently, nuclear paraspeckle assembly transcript 1 (NEAT1), a novel lncRNA, serves as a crucial regulator in tumors. However, the biological role of NEAT1 in liver fibrosis is largely unknown. In this study, the role of NEAT1 was explored in primary mouse hepatic stellate cells (HSCs) and carbon tetrachloride (CCl4)-induced mouse liver fibrosis models...
September 1, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28846091/neat1-scaffolds-rna-binding-proteins-and-the-microprocessor-to-globally-enhance-pri-mirna-processing
#13
Li Jiang, Changwei Shao, Qi-Jia Wu, Geng Chen, Jie Zhou, Bo Yang, Hairi Li, Lan-Tao Gou, Yi Zhang, Yangming Wang, Gene W Yeo, Yu Zhou, Xiang-Dong Fu
MicroRNA (miRNA) biogenesis is known to be modulated by a variety of RNA-binding proteins (RBPs), but in most cases, individual RBPs appear to influence the processing of a small subset of target miRNAs. Here, we report that the RNA-binding NONO-PSF heterodimer binds a large number of expressed pri-miRNAs in HeLa cells to globally enhance pri-miRNA processing by the Drosha-DGCR8 Microprocessor. NONO and PSF are key components of paraspeckles organized by the long noncoding RNA (lncRNA) NEAT1. We further demonstrate that NEAT1 also has a profound effect on global pri-miRNA processing...
August 28, 2017: Nature Structural & Molecular Biology
https://www.readbyqxmd.com/read/28845767/role-of-lncrnas-as-novel-biomarkers-and-therapeutic-targets-in-ovarian-cancer
#14
REVIEW
Lu-Lu Fu, Chun-Jin Li, Ying Xu, Ling-Yun Li, Xu Zhou, Dan-Dan Li, Shu-Xiong Chen, Feng-Ge Wang, Xue-Ying Zhang, Lian-Wen Zheng
Ovarian cancer (OC) is the leading cause of death among all gynecological malignancies in the world and its underlying mechanism is still unclear. Compared with research on microRNAs, research on long non-coding RNAs (lncRNAs) is still in its infancy. Studies in recent years have demonstrated that lncRNAs exhibit multiple biological functions in various stages of OC development. In this review, we conclude that lncRNAs are closely involved in the pathogenesis of OC. The expression of lncRNAs indicates the early diagnosis, prognosis, and response to chemotherapy of OC...
2017: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/28843521/curcumin-suppresses-proliferation-and-in-vitro-invasion-of-human-prostate-cancer-stem-cells-by-cerna-effect-of-mir-145-and-lncrna-ror
#15
Te Liu, Huiying Chi, Jiulin Chen, Chuan Chen, Yongyi Huang, Hao Xi, Jun Xue, Yibing Si
Many studies have demonstrated that curcumin can effectively inhibit the proliferation, invasion, and tumorigenesis of prostate cancer cells in vitro and in vivo. In this study, CD44(+)/CD133(+) human prostate cancer stem cells (HuPCaSCs) were isolated from the prostate cancer cell lines Du145 and 22RV1. Curcumin treatment of these cells resulted in the inhibition of in vitro proliferation and invasion, and cell cycle arrest. The expression levels of cell cycle proteins (Ccnd1 and Cdk4) and stem cell markers (Oct4, CD44, and CD133) were decreased in curcumin-treated HuPCaSCs...
October 5, 2017: Gene
https://www.readbyqxmd.com/read/28843520/the-long-non-coding-rna-miat-regulates-zinc-finger-e-box-binding-homeobox-1-expression-by-sponging-mir-150-and-promoteing-cell-invasion-in-non-small-cell-lung-cancer
#16
Hong-Yan Zhang, Fu-Shuang Zheng, Wei Yang, Ji-Bin Lu
The myocardial infarction associated transcript (MIAT), a long non-coding RNA (lncRNA), was originally identified as a candidate gene for myocardial infarction, and was recently shown to participate in the progression of cancer and the process of metastasis. However, the biological role of MIAT and the underlying mechanisms that mediate its role in non-small-cell lung cancer (NSCLC) remain unclear. Here, we have shown that the expression of MIAT in NSCLC tissues was upregulated. Knockdown of MIAT substantially inhibited the invasive ability of NSCLC cells...
August 23, 2017: Gene
https://www.readbyqxmd.com/read/28837144/long-noncoding-rna-xist-expedites-metastasis-and-modulates-epithelial-mesenchymal-transition-in-colorectal-cancer
#17
Dong-Liang Chen, Le-Zong Chen, Yun-Xin Lu, Dong-Sheng Zhang, Zhao-Lei Zeng, Zhi-Zhong Pan, Peng Huang, Feng-Hua Wang, Yu-Hong Li, Huai-Qiang Ju, Rui-Hua Xu
Tumor progression and metastasis is the main cause of death in colorectal cancer (CRC). Long noncoding RNAs (lncRNAs) are critical regulators in various diseases including human cancer. In this study, we found that lncRNA XIST was overexpressed in CRC cell lines and tissues. High expression of lncRNA XIST was associated with adverse overall survival in CRC patients. Knockdown of lncRNA XIST remarkably inhibited CRC cell proliferation, invasion, epithelial-mesenchymal transition (EMT) and CRC stem cell formation in vitro as well as tumor growth and metastasis in vivo...
August 24, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28820723/a-lncrna-fine-tunes-the-dynamics-of-a-cell-state-transition-involving-lin28-let-7-and-de-novo-dna-methylation
#18
Meng Amy Li, Paulo P Amaral, Priscilla Cheung, Jan H Bergmann, Masaki Kinoshita, Tüzer Kalkan, Meryem Ralser, Sam Robson, Ferdinand von Meyenn, Maike Paramor, Fengtang Yang, Caifu Chen, Jennifer Nichols, David L Spector, Tony Kouzarides, Lin He, Austin Smith
Execution of pluripotency requires progression from the naïve status represented by mouse embryonic stem cells (ESCs) to a state capacitated for lineage specification. This transition is coordinated at multiple levels. Non-coding RNAs may contribute to this regulatory orchestra. We identified a rodent-specific long non-coding RNA (lncRNA) linc1281, hereafter Ephemeron (Eprn), that modulates the dynamics of exit from naïve pluripotency. Eprn deletion delays the extinction of ESC identity, an effect associated with perduring Nanog expression...
August 18, 2017: ELife
https://www.readbyqxmd.com/read/28808264/knockdown-of-lncrna-mir31hg-inhibits-adipocyte-differentiation-of-human-adipose-derived-stem-cells-via-histone-modification-of-fabp4
#19
Yiping Huang, Chanyuan Jin, Yunfei Zheng, Xiaobei Li, Shan Zhang, Yixin Zhang, Lingfei Jia, Weiran Li
Adipogenesis plays an important role in the regulation of whole-body energy homeostasis and is inextricably related to obesity. Several studies have highlighted the relevance of microRNAs in adipocyte differentiation, but the contributions of long non-coding RNAs (lncRNAs) are still largely uncharacterized. Here, we determined that lncRNA MIR31HG is related to adipocyte lineage commitment. We demonstrated that knockdown of MIR31HG inhibited adipocyte differentiation, whereas overexpression of MIR31HG promoted adipogenesis in vitro and in vivo...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28799568/association-of-long-non-coding-rna-h19-and-microrna-21-expression-with-the-biological-features-and-prognosis-of-non-small-cell-lung-cancer
#20
Y Zhou, B Sheng, Q Xia, X Guan, Y Zhang
In recent years, long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) have been shown to play important roles in tumor biological function. The aim of this study was to investigate the diagnostic and prognostic value of lncRNA H19 and miR-21 expression in non-small-cell lung cancer (NSCLC). H19 and miR-21 expression was measured in tumor tissues and corresponding non-tumor lung tissues from 200 patients by quantitative reverse transcription polymerase chain reaction. Moreover, the in vitro and in vivo effects of H19 knock out in A549 cells were investigated...
August 2017: Cancer Gene Therapy
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