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https://www.readbyqxmd.com/read/28724210/dandelion-root-extract-suppressed-gastric-cancer-cells-proliferation-and-migration-through-targeting-lncrna-ccat1
#1
Huanhuan Zhu, Hangyong Zhao, Linjie Zhang, Jianmin Xu, Chunhua Zhu, Hui Zhao, Guoqiang Lv
Gastric cancer (GC) is one of the most common tumors worldwide. Standard treatment after early detection involves surgical excision (recurrence is possible), and metastatic gastric cancer is refractory to immuno-, radio-, and most harmful chemotherapies. Various natural compounds have shown efficacy in killing different cancers, albeit not always specifically. In this study, we show that dandelion root extract (DRE) specifically and effectively suppresses proliferation and migration in human gastric cells without inducing toxicity in noncancerous cells...
July 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28723760/bioinformatics-analysis-to-identify-the-critical-genes-micrornas-and-long-noncoding-rnas-in-melanoma
#2
Qian Zhang, Yang Wang, Jiulong Liang, Yaguang Tian, Yu Zhang, Kai Tao
Melanoma, which is usually induced by ultraviolet light exposure and the following DNA damage, is the most dangerous skin cancer. The purpose of the present study was to screen key molecules involved in melanoma.Microarray data of E-MTAB-1862 were downloaded from the ArrayExpress database, which included 21 primary melanoma samples and 11 benign nevus samples. In addition, the RNASeq version 2 and microRNA (miRNA) sequencing data of cutaneous melanoma were downloaded from The Cancer Genome Atlas database. After identifying the differentially expressed genes (DEGs) using Limma package, enrichment analysis and protein-protein interaction (PPI) network analysis were performed separately for them using DAVID software and Cytoscape software...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28723624/lncrna-ancr-down-regulation-promotes-tgf-%C3%AE-induced-emt-and-metastasis-in-breast-cancer
#3
Zhongwei Li, Meichen Dong, Dongmei Fan, Pingfu Hou, Hongyuan Li, Lingxia Liu, Cong Lin, Jiwei Liu, Liangping Su, Lan Wu, Xiaoxue Li, Baiqu Huang, Jun Lu, Yu Zhang
Epithelial to mesenchymal transition (EMT) is a progression of cellular plasticity critical for development, differentiation, cancer cells migration and tumor metastasis. As a well-studied factor, TGF-β participates in EMT and involves in physiological and pathological functions of tumor progression. Accumulating evidence indicates that long noncoding RNAs(lncRNAs) play crucial roles in EMT and tumor metastasis. Here, we find that lncRNA ANCR participates in TGF-β1-induced EMT. By our ChIP and Real-time PCR assays, we reveal that TGF-β1 down-regulates ANCR expression by increasing HDAC3 enrichment at ANCR promoter region, which decreases both H3 and H4 acetylation of ANCR promoter...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722813/knockdown-of-long-non-coding-rna-malat1-inhibits-growth-and-motility-of-human-hepatoma-cells-via-modulation-of-mir-195
#4
Dingli Liu, Yun Zhu, Jinke Pang, Xie Weng, Xiaorong Feng, Yabing Guo
The metastasis-associated lung adenocarcinoma transcription 1 (Malat1) is a long non-coding RNA (lncRNA), exerts oncogenic role in multiple cancers, including hepatocellular carcinoma (HCC). This study was aimed to investigate its posttranscriptional regulation in HCC cells. RT-PCR was performed to monitor the expression levels of Malat1 in normal liver and HCC cell lines. The expression of Malat1, microRNA (miR)-195 and epidermal growth factor receptor (EGFR) in HepG2 and MHCC97 cells was respectively or synchronously altered by transfection...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722665/mirna-and-lncrna-as-biomarkers-in-cholangiocarcinoma-cca
#5
REVIEW
Bo Zheng, Seogsong Jeong, Yanjing Zhu, Lei Chen, Qiang Xia
The microRNAs are a group of 20 nucleotides-long non-coding RNAs. By binding to the 3'UTR region of target mRNA, microRNAs can perform extensive actions mediating gene expression at post-trancriptional stages. It makes microRNAs serve as very crucial regulators in various biological progress including carcinogenesis. Long non-coding RNAs, however, are a subgroup of RNA with the length of 200 nucleotides. Unlike microRNAs, long non-coding RNAs can form secondary of tertiary domain based on their length. With the ability of directly interacting with DNA, RNA, protein, long non-coding RNAs have promoting or inhibitive functions in gene expression regulation...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28721682/lncrna-zfas1-promotes-cell-migration-and-invasion-of-fibroblast-like-synoviocytes-by-suppression-of-mir-27a-in-rheumatoid-arthritis
#6
Yang Ye, Xiaomei Gao, Nanping Yang
Rheumatoid arthritis (RA) is a systemic and chronic inflammatory disease. Synoviocyte migration and invasion were found to be essential to the pathology of RA. Upregulation of long noncoding RNA ZFAS1 has been observed in cancers and promotes cell migration and invasion. To date, the functions and mechanisms of ZFAS1 in RA have not been revealed. In this study, we analyzed expression pattern of ZFAS1 in RA patients and found that ZFAS1 expression was increased in synovial tissue and fibroblast-like synoviocytes (FLS) from RA patients (RA-FLS) compared with that in healthy donors...
July 18, 2017: Human Cell
https://www.readbyqxmd.com/read/28720546/the-lncrna-neat1-facilitates-cell-growth-and-invasion-via-the-mir-211-hmga2-axis-in-breast-cancer
#7
Xuerui Li, Shuxia Wang, Zhenzhong Li, Xiaoyu Long, Zibai Guo, Guochun Zhang, Jian Zu, Yu Chen, Linzhu Wen
Long non-coding RNAs play a significant role in cancer metastasis. Studies have demonstrated that LncRNA NEAT1 promotes cancer progression. We aimed to explore whether NEAT1 regulated growth and invasion in breast cancer cells. We provided evidence that lncRNA NEAT1 was up-regulated in breast cancer cell lines and tissues. NEAT1 promoted invasion through inducing Epithelial-mesenchymal transition (EMT) and NEAT1 played a role in 5-fluorouracil (5-FU) resistance. In addition, we revealed a reciprocal repression between NEAT1 and miR-211...
July 15, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28720111/lncrna-snhg15-contributes-to-proliferation-invasion-and-autophagy-in-osteosarcoma-cells-by-sponging-mir-141
#8
Ke Liu, Yi Hou, Yunke Liu, Jia Zheng
BACKGROUND: LncRNA small nucleolar RNA host gene 15 (SNHG15) was reported to play an oncogenic role in tumors. However, the role of SNHG15 and its molecular mechanism in osteosarcoma (OS) cells are largely unknown. METHODS: qRT-PCR was performed to evaluate the expression levels of SNHG15 and miR-141 in OS tissues and cells. Cell transfection with different siRNAs, miRNAs or pcDNAs into U2OS and MG63 cells were carried out by Lipofectamine 2000. The effects of SNHG15 and miR-141 on OS cell proliferation, invasion and the levels of autophagy-related proteins were analyzed by MTT assay, Transwell invasion/migration assay and western blot, respectively...
July 18, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28719033/identification-of-driver-copy-number-alterations-in-diverse-cancer-types-and-application-in-drug-repositioning
#9
Wenbin Zhou, Zhangxiang Zhao, Ruiping Wang, Yue Han, Chengyu Wang, Fan Yang, Ya Han, Haihai Liang, Lishuang Qi, Chenguang Wang, Zheng Guo, Yunyan Gu
Results from numerous studies suggest an important role for somatic copy number alterations (SCNAs) in cancer progression. Our work aimed to identify the drivers (oncogenes or tumor suppressor genes) that reside in recurrently aberrant genomic regions, including a large number of genes or non-coding genes, which remain a challenge for decoding the SCNAs involved in carcinogenesis. Here, we propose a new approach to comprehensively identify drivers, using 8740 cancer samples involving 18 cancer types from The Cancer Genome Atlas (TCGA)...
July 18, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28716885/cytokines-and-long-noncoding-rnas
#10
Susan Carpenter, Katherine A Fitzgerald
Cytokines and long noncoding RNAs (lncRNAs) are intertwined in the regulatory circuit controlling immunity. lncRNA expression levels are altered following cytokine stimulation in a cell-type-specific fashion. lncRNAs, in turn, regulate the inducible expression of cytokines following immune activation. These studies position lncRNAs as important regulators of gene expression within the complex pathways of the immune system. Our understanding of the functions of lncRNAs is just beginning. Current methodologies for functionally understanding how these transcripts mediate their effects are unable to keep up with the speed of genomic outputs cataloging thousands of these novel genes...
July 17, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28716731/arid1a-represses-hepatocellular-carcinoma-cell-proliferation-and-migration-through-lncrna-mvih
#11
Sheng Cheng, Lan Wang, Chuan-Huai Deng, Shi-Chun Du, Ze-Guang Han
ARID1A, encoding the BAF250a subunit of SWI/SNF complex, has a high mutation frequency in numerous types of cancer. LncRNAs, a type of non-coding RNAs longer than 200 nucleotides, have been reported to interplay with SWI/SNF complex during cancer progression. However, whether the interaction between ARID1A and lncRNA affects hepatocellular carcinoma (HCC) still needs to be investigated. Here, we reveal that ARID1A interacts with lncRNA MVIH through some region(s) or domain(s) including ARID domain and C-terminal ARID1A protein binding domain...
July 14, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28716020/long-non-coding-rna-casc2-suppresses-epithelial-mesenchymal-transition-of-hepatocellular-carcinoma-cells-through-casc2-mir-367-fbxw7-axis
#12
Yufeng Wang, Zhikui Liu, Bowen Yao, Qing Li, Liang Wang, Cong Wang, Changwei Dou, Meng Xu, Qingguang Liu, Kangsheng Tu
BACKGROUND: Recently, it has been reported that long non-coding RNA (lncRNA) cancer susceptibility candidate 2 (CASC2), a novel tumor suppressor, participates in regulating the carcinogenesis and suppresses tumor progression by sponging microRNAs (miRNAs). However, the expression and function of CASC2 in hepatocellular carcinoma (HCC) remain unclear. METHODS: The expression of CASC2 and miR-367 in HCC specimens and cell lines were detected by real-time PCR. Western blotting and immunohistochemistry were carried out for detection of epithelial-to-mesenchymal transition (EMT) markers in HCC...
July 17, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28715488/microrna-dependent-and-independent-deregulation-of-long-non-coding-rnas-by-an-oncogenic-herpesvirus
#13
Sunantha Sethuraman, Lauren Appleby Gay, Vaibhav Jain, Irina Haecker, Rolf Renne
Kaposi's sarcoma (KS) is a highly prevalent cancer in AIDS patients, especially in sub-Saharan Africa. Kaposi's sarcoma-associated herpesvirus (KSHV) is the etiological agent of KS and other cancers like Primary Effusion Lymphoma (PEL). In KS and PEL, all tumors harbor latent KSHV episomes and express latency-associated viral proteins and microRNAs (miRNAs). The exact molecular mechanisms by which latent KSHV drives tumorigenesis are not completely understood. Recent developments have highlighted the importance of aberrant long non-coding RNA (lncRNA) expression in cancer...
July 17, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28714520/genomic-profiling-of-long-non-coding-rna-and-mrna-expression-associated-with-acquired-temozolomide-resistance-in-glioblastoma-cells
#14
Huijun Zeng, Ningbo Xu, Yanting Liu, Boyang Liu, Zhao Yang, Zhao Fu, Changlin Lian, Hongbo Guo
Temozolomide (TMZ) is an alkylating chemotherapeutic agent widely used in anti-glioma treatment. However, acquired TMZ resistance represents a major clinical challenge that leads to tumor relapse or progress. This study investigated the genomic profiles including long non-coding RNA (lncRNA) and mRNA expression associated with acquired TMZ resistance in glioblastoma (GBM) cells in vitro. The TMZ-resistant (TR) of GBM sub-cell lines were established through repetitive exposure to increasing TMZ concentrations in vitro...
August 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28713971/systematic-analysis-of-lncrnas-mirnas-and-mrnas-for-the-identification-of-biomarkers-for-osteoporosis-in-the-mandible-of-ovariectomized-mice
#15
Lingyu Hao, Jiayao Fu, Yawen Tian, Junhua Wu
Osteoporosis is a complex and multifactorial disease caused by an imbalance between bone formation and resorption. Post‑menopausal women with endogenous estrogen deficiency suffer from systemic bone loss and osteoporosis, and are at high risk of this affecting the jaw bones. MicroRNAs (miRNAs or miRs) have been implicated in the mechanisms of metabolic bone diseases and are expressed at differential levels in alveolar bone following ovariectomy. In the present study, we systematically analyzed the expression profiles of miRNAs, mRNAs and long non‑coding RNA (lncRNAs) in the mandible of ovariectomized (OVX) mice...
July 10, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713968/inhibition-of-proliferation-and-invasion-of-hepatocellular-carcinoma-cells-by-lncrna-aslnc02525-silencing-and-the-mechanism
#16
Zi Chen, Dongwen Xu, Tao Zhang
One of the most differentially expressed long non-coding RNAs (lncRNAs) that we identified by high throughput screening from liver cancer and para-carcinoma tissues, ASLNC02525, was highly expressed in the tissues and cell lines of liver cancer but not in adjacent tissues or normal hepatic cells. Knockdown of ASLNC02525 in hepatocellular carcinoma cells inhibited the proliferation and invasion. In the process, expression level of transcription factor twist1 (twist‑related protein 1) was reduced, but no change at transcription level was observed...
July 7, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28711944/analysis-of-long-non-coding-rna-expression-profiles-identifies-novel-lncrna-biomarkers-in-the-tumorigenesis-and-malignant-progression-of-gliomas
#17
Gang Chen, Yanfei Cao, Lina Zhang, Hongxing Ma, Chao Shen, Jiang Zhao
Long non-coding RNAs have been shown to be associated with cancer development and progression, demonstrating potential applications as novel diagnostic or prognostic molecular markers in clinical management and treatment. However, the functional significance of lncRNAs in the development and malignant progression of gliomas is still unclear and needed to be further explored. we first obtained genome-wide lncRNA expression profiles in a large cohort of patients with gliomas from the Gene Expression Omnibus database using microarray probes repurposing method and investigated the lncRNA expression patterns during the tumorigenesis and malignant progression of gliomas...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28706132/identification-of-a-novel-metastasis-inducing-lncrna-which-suppresses-the-kai1-cd82-metastasis-suppressor-gene-and-is-upregulated-in-triple-negative-breast-cancer
#18
Ronni Aram, Iris Dotan, Agnes Hotz-Wagenblatt, Dan Canaani
Inactivation of tumor/metastasis suppressor genes via epigenetic silencing is a frequent event in human cancers. KAI1/CD82 is a metastasis suppressor gene whose normal protecting activity is deficient in twelve different solid malignancies. Here we have identified and characterized a primarily nuclear non-polyadenylated, antisense (as)-lncRNA, initiating upstream of the KAI1 human metastasis suppressor gene transcription start site; and elongating in the opposite direction to KAI1 mRNA. We show that the KAI1 promoter is bi-directional giving rise to KAI1 mRNA and its as-lncRNA...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28705739/long-noncoding-rna-linc00346-promotes-the-malignant-phenotypes-of-bladder-cancer
#19
Tingyu Ye, Wei Ding, Nanxiong Wang, Hang Huang, Yue Pan, Anyang Wei
BACKGROUND: More and more reports have demonstrated that long noncoding RNAs (lncRNAs) play an important role in the development of a variety of carcinomas, including bladder cancer. However, only a small fraction of them have been characterized. Linc00346 have been found to be upregulated in bladder cancer tissues compared to normal tissues in a microarray-based lncRNA profiling study. In this study, we would like to explore the expression pattern and functional role of linc00346 in bladder cancer...
July 10, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28703801/lncrna-miat-functions-as-a-competing-endogenous-rna-to-upregulate-dapk2-by-sponging-mir-22-3p-in-diabetic-cardiomyopathy
#20
Xiang Zhou, Wei Zhang, Mengchao Jin, Jianchang Chen, Weiting Xu, Xiangqing Kong
We previously established a rat model of diabetic cardiomyopathy (DCM) and found that the expression of long non-coding RNA myocardial infarction-associated transcript (MIAT) was significantly upregulated. The present study was aimed to determine the pathologic role of MIAT in the development of DCM. MIAT knockdown was found to reduce cardiomyocyte apoptosis and improve left ventricular function in diabetic rats. High glucose could increase MIAT expression and induce apoptosis in cultured neonatal cardiomyocytes...
July 13, 2017: Cell Death & Disease
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