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https://www.readbyqxmd.com/read/29026319/current-advances-of-long-non-coding-rna-highly-upregulated-in-liver-cancer-in-human-tumors
#1
REVIEW
Zhonghua Ma, Hesuyuan Huang, Yetao Xu, Xuezhi He, Jirong Wang, Bingqing Hui, Hao Ji, Jing Zhou, Keming Wang
Long non-coding RNAs (lncRNAs) are a group of non-coding RNAs (ncRNAs) >200 nucleotides in length that govern diverse biological processes. Recent evidence suggests that lncRNAs are involved in cancer cell proliferation, apoptosis, invasion, migration, and metastasis. Dysregulation of lncRNAs has been observed in various tumors, and lncRNAs act as oncogenes or tumor suppressors in these malignancies. It has been revealed that lncRNA highly upregulated in liver cancer (HULC) is tightly correlated with a number of cancers such as hepatocellular carcinoma, gastric cancer, colorectal cancer, osteosarcoma, and diffuse large B-cell lymphoma...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29022892/the-lncrna-hulc-functions-as-an-oncogene-by-targeting-atg7-and-itgb1-in-epithelial-ovarian-carcinoma
#2
Shuo Chen, Dan-Dan Wu, Xiu-Bo Sang, Li-Li Wang, Zhi-Hong Zong, Kai-Xuan Sun, Bo-Liang Liu, Yang Zhao
Highly upregulated in liver cancer (HULC) is a long noncoding RNA (lncRNA), which has recently been identified as a key regulator in the progression of hepatocellular carcinoma, gliomas and gastric cancer. However, its role in epithelial ovarian carcinoma (EOC) remains unknown. In this study, HULC expression was examined in EOC, borderline and benign ovarian tumors, and normal ovarian tissues by RT-PCR. Ovarian cancer cell phenotypes, as well as autophagy-associated proteins were examined after HULC overexpression or downregulation by plasmid or small interfering RNA (siRNA) transfection, respectively...
October 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29016307/the-differential-expression-and-possible-function-of-long-noncoding-rnas-in-liver-cells-infected-by-dengue-virus
#3
Xiao-Jun Wang, Shi-Chen Jiang, Hai-Xia Wei, Sheng-Qun Deng, Cheng He, Hong-Juan Peng
The function of long noncoding RNAs (lncRNAs) in liver injury resulted by dengue virus (DENV) infection have not yet been explored. The differential expression profiles of lncRNAs coupled with mRNAs in L-02 liver cells in the DENV1 infected, DENV2 infected, and untreated control group were analyzed after high throughput RNA sequencing, the significantly upregulated and downregulated lncRNAs or mRNAs comparing with the control group were identified with a cutoff value at log2 (ratio) ≥ 1.5 and log2 (ratio) ≤ -1...
October 2, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28993733/lncrna-uc002mbe-2-interacting-with-hnrnpa2b1-mediates-akt-deactivation-and-p21-up-regulation-induced-by-trichostatin-in-liver-cancer-cells
#4
Ting Chen, Chengxin Gu, Cailin Xue, Tao Yang, Yun Zhong, Shiming Liu, Yuqiang Nie, Hui Yang
Long non-coding RNAs (lncRNAs) have been implicated in liver carcinogenesis. We previously showed that the induction of lncRNA-uc002mbe.2 is positively associated with the apoptotic effect of trichostatin A (TSA) in hepatocellular carcinoma (HCC) cells. The current study further analyzed the role of uc002mbe.2 in TSA-induced liver cancer cell death. The level of uc002mbe.2 was markedly increased by TSA in the cytoplasm of HCC cells. Knockdown of uc002mbe.2 prohibited TSA-induced G2/M cell cycle arrest, p21 induction, and apoptosis of Huh7 cells and reversed the TSA-mediated decrease in p-AKT...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28993096/altered-expression-of-malat1-lncrna-in-nonalcoholic-steatohepatitis-fibrosis-regulates-cxcl5-in-hepatic-stellate-cells
#5
Fatjon Leti, Christophe Legendre, Christopher D Still, Xin Chu, Anthony Petrick, Glenn S Gerhard, Johanna K DiStefano
In the present study, we sought to identify long noncoding RNA (lncRNA) expression profiles in nonalcoholic steatohepatitis (NASH) patients with histologic evidence of lobular inflammation and advanced fibrosis. We profiled lncRNA expression using RNA-sequencing of wedge liver biopsies from 24 nonalcoholic fatty liver disease (NAFLD) patients with normal liver histology, 53 NAFLD patients with lobular inflammation, and 65 NAFLD patients with advanced fibrosis. Transcript profiling identified 4432 and 4057 differentially expressed lncRNAs in comparisons of normal tissue with lobular inflammation and fibrosis samples, respectively...
September 19, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28984197/circular-rna-expression-profiles-and-features-in-human-tissues-a-study-using-rna-seq-data
#6
Tianyi Xu, Jing Wu, Ping Han, Zhongming Zhao, Xiaofeng Song
BACKGROUND: Circular RNA (circRNA) is one type of noncoding RNA that forms a covalently closed continuous loop. Similar to long noncoding RNA (lncRNA), circRNA can act as microRNA (miRNA) 'sponges' to regulate gene expression, and its abnormal expression is related to diseases such as atherosclerosis, nervous system disorders and cancer. So far, there have been no systematic studies on circRNA abundance and expression profiles in human adult and fetal tissues. RESULTS: We explored circRNA expression profiles using RNA-seq data for six adult and fetal normal tissues (colon, heart, kidney, liver, lung, and stomach) and four gland normal tissues (adrenal gland, mammary gland, pancreas, and thyroid gland)...
October 3, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28947421/mesenchymal-stem-cells-promote-hepatocarcinogenesis-via-lncrna-muf-interaction-with-anxa2-and-mir-34a
#7
Xinlong Yan, Dongdong Zhang, Wei Wu, Shuheng Wu, Jingfeng Qian, Yajing Hao, Fang Yan, Pingping Zhu, Jiayi Wu, Guanling Huang, Yinghui Huang, Jianjun Luo, Xinhui Liu, Benyu Liu, Xiaomin Chen, Ying Du, Run-Sheng Chen, Zusen Fan
Accumulating evidence suggests that cancer-associated mesenchymal stem cells (MSC) contribute to the development and metastasis of hepatocellular carcinoma (HCC). Aberrant expression of long noncoding RNAs (lncRNA) has been associated with these processes but cellular mechanisms are obscure. In this study, we report that HCC-associated mesenchymal stem cells (HCC-MSC) promote epithelial-mesenchymal transition (EMT) and liver tumorigenesis. We identified a novel lncRNA that we termed lncRNA-MUF (MSC upregulated factor) that is highly expressed in HCC tissues and correlated with poor prognosis...
September 25, 2017: Cancer Research
https://www.readbyqxmd.com/read/28864835/neat1-accelerates-the-progression-of-liver-fibrosis-via-regulation-of-microrna-122-and-kruppel-like-factor-6
#8
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/28857495/identification-of-dysregulated-lncrnas-profiling-and-metastasis-associated-lncrnas-in-colorectal-cancer-by-genome-wide-analysis
#9
Yan Chen, Xiang Yu, Yongcan Xu, Hua Shen
The colorectal cancer (CRC) is one of the leading causes of cancer-related death worldwide, but the pathogenesis of CRC remains not well-known. Increasing studies have highlighted the critical roles of long noncoding RNAs (lncRNAs) in tumorigenesis and cancer cells metastasis, however, the expression pattern, biological roles of lncRNAs, and the mechanisms responsible for their function in CRC remain elusive. In this study, we performed a genome-wide comprehensive analysis of lncRNAs profiling and clinical relevance to identify novel lncRNAs for the further study in CRC...
August 31, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28856933/serum-long-noncoding-rna-urothelial-carcinoma-associated-1-a-novel-biomarker-for-diagnosis-and-prognosis-of-hepatocellular-carcinoma
#10
Zhi-Kun Zheng, Cui Pang, Yang Yang, Qiong Duan, Ju Zhang, Wen-Chao Liu
Objective Long noncoding RNAs (lncRNAs) offer great potential as cancer biomarkers. This study was performed to assess the applicability of serum lncRNA urothelial carcinoma-associated 1 (UCA1) as a diagnostic and/or prognostic biomarker for hepatocellular carcinoma (HCC). Methods We examined UCA1 expression in serum samples from 105 patients with HCC, 105 patients with benign liver disease (BLD), and 105 healthy volunteers using reverse-transcription polymerase chain reaction and analyzed the relationship between serum UCA1 and clinicopathological parameters of HCC as well as survival...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28844995/-expression-profile-of-long-non-coding-rna-in-non-alcoholic-fatty-liver-disease
#11
Chuanzheng Sun, Feizhou Huang, Wenguang Yan, Huaizheng Liu, Changfa Wang
To analyze the characteristics of long non-coding RNA (lncRNA) expression in non-alcoholic fatty liver disease (NAFLD).
 Methods: lncRNA-mRNA microarray was conducted on the liver tissue samples from 10 patients with simple gallbladder stone (5 NAFLD liver samples and 5 normal liver samples), and the differentially expressed lncRNA was analyzed by bioinformatics technology.
 Results: Compared with the normal liver samples, there were abnormal expression of 1 735 lncRNAs and 1 485 mRNAs in NAFLD liver samples...
July 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28814771/rna-sequencing-of-db-db-mice-liver-identifies-lncrna-h19-as-a-key-regulator-of-gluconeogenesis-and-hepatic-glucose-output
#12
Neha Goyal, Ambily Sivadas, K V Shamsudheen, Rijith Jayarajan, Ankit Verma, Sridhar Sivasubbu, Vinod Scaria, Malabika Datta
Liver plays a key role in maintaining glucose homeostasis and impaired hepatic glucose metabolism is associated with type 2 diabetes. In the present study, we used RNA sequencing to profile the transcriptome of the livers of diabetic db/db mice as compared to the normal db/+ mice and identified 218 differentially expressed genes. Amongst these, there were 3 lncRNAs that were significantly downregulated and H19 was the most altered lncRNA in the livers of db/db mice. H19 expression significantly correlated with the expression of genes of the glycolysis and gluconeogenesis pathways, which suggest that altered hepatic H19 levels can directly or indirectly modulate their expression...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810927/stat3-mediated-upregulation-of-lncrna-hoxd-as1-as-a-cerna-facilitates-liver-cancer-metastasis-by-regulating-sox4
#13
Hui Wang, Xisong Huo, Xin-Rong Yang, Jia He, Lijun Cheng, Na Wang, Xuan Deng, Haojie Jin, Ning Wang, Cun Wang, Fangyu Zhao, Jingyuan Fang, Ming Yao, Jia Fan, Wenxin Qin
BACKGROUND: Several of the thousands of human long noncoding RNAs (lncRNAs) have been functionally characterized, yet their potential involvement in hepatocellular carcinoma (HCC) remains poorly understood. METHODS: LncRNA-HOXD-AS1 was identified by microarray and validated by real-time PCR. The clinicopathological significance of HOXD-AS1 was analyzed by Kaplan-Meier method. Chromatin immunoprecipitation was conducted to examine the mechanism of HOXD-AS1 upregulation...
August 14, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28803234/rna-sequencing-and-bioinformatics-analysis-implicate-the-regulatory-role-of-a-long-noncoding-rna-mrna-network-in-hepatic-stellate-cell-activation
#14
Can-Jie Guo, Xiao Xiao, Li Sheng, Lili Chen, Wei Zhong, Hai Li, Jing Hua, Xiong Ma
BACKGROUND/AIMS: To analyze the long noncoding (lncRNA)-mRNA expression network and potential roles in rat hepatic stellate cells (HSCs) during activation. METHODS: LncRNA expression was analyzed in quiescent and culture-activated HSCs by RNA sequencing, and differentially expressed lncRNAs verified by quantitative reverse transcription polymerase chain reaction (qRT-PCR) were subjected to bioinformatics analysis. In vivo analyses of differential lncRNA-mRNA expression were performed on a rat model of liver fibrosis...
August 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28771824/down-regulation-of-lncrna-neat1-alleviated-the-non-alcoholic-fatty-liver-disease-via-mtor-s6k1-signaling-pathway
#15
Xiang Wang
Without effective medical interventions for complete reverse of NAFLD, it needs to urgently explore the underlying molecular mechanisms of non-alcoholic fatty liver disease (NAFLD) to offer a novel therapeutic strategy for people suffering from NAFLD. Sprague-Dawley (SD) rats were used to establish the NAFLD animal model. Lipofectamine 2000 was used to silence or over-express NEAT1. The expression of NEAT1 and the mRNA levels of ACC and FAS were determined by qRT-PCR. Western blot assays were performed to detect the expression of ACC and FAS at protein levels and the related protein levels of mTOR/S6K1 signaling pathway...
August 3, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28747678/the-liver-enriched-lnc-lfar1-promotes-liver-fibrosis-by-activating-tgf%C3%AE-and-notch-pathways
#16
Kun Zhang, Xiaohui Han, Zhen Zhang, Lina Zheng, Zhimei Hu, Qingbin Yao, Hongmei Cui, Guiming Shu, Maojie Si, Chan Li, Zhemin Shi, Ting Chen, Yawei Han, Yanan Chang, Zhi Yao, Tao Han, Wei Hong
Long noncoding RNAs (lncRNAs) play important roles in various biological processes such as proliferation, cell death and differentiation. Here, we show that a liver-enriched lncRNA, named liver fibrosis-associated lncRNA1 (lnc-LFAR1), promotes liver fibrosis. We demonstrate that lnc-LFAR1 silencing impairs hepatic stellate cells (HSCs) activation, reduces TGFβ-induced hepatocytes apoptosis in vitro and attenuates both CCl4- and bile duct ligation-induced liver fibrosis in mice. Lnc-LFAR1 promotes the binding of Smad2/3 to TGFβR1 and its phosphorylation in the cytoplasm...
July 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28743867/using-rna-sequencing-to-identify-putative-competing-endogenous-rnas-cernas-potentially-regulating-fat-metabolism-in-bovine-liver
#17
Ruobing Liang, Bo Han, Qian Li, Yuwei Yuan, Jianguo Li, Dongxiao Sun
RNA sequencing has been extensively used to study specific gene expression patterns to discover potential key genes related to complex traits of interest in animals. Of note, a new regulatory mechanism builds a large-scale regulatory network among transcriptome, where lncRNAs act as competing endogenous RNAs (ceRNAs) to sponge miRNAs to regulate the expression of miRNA target genes post-transcriptionally. In this study, we sequenced the cDNA and sRNA libraries of nine liver samples from three Holstein cows during dry period, early lactation, and peak of lactation with HiSeq platform...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28732670/long-non-coding-rna-neat1-overexpression-is-associated-with-unfavorable-prognosis-in-patients-with-hepatocellular-carcinoma-after-hepatectomy-a-chinese-population-based-study
#18
Z Liu, Q Chang, F Yang, B Liu, H-W Yao, Z-G Bai, C-S Pu, X-M Ma, Y Yang, T-T Wang, W Guo, X-N Zhou, Z-T Zhang
AIM: To identify the association between the expression of lncRNA NEAT1 and clinicopathological characteristics of patients with HCC, and to explore the prognostic significance of lncRNA NEAT1 in predicting prognosis of HCC. METHODS: We retrospectively reviewed 86 patients with HCC (35 female, 51 male) managed in our institution between 2009 and 2014. The expression level of lncRNA NEAT1 was detected by real-time PCR. Prognostic factors were evaluated using Kaplan-Meier curves and Cox proportional hazards models...
September 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28729955/identification-of-four-prognostic-lncrnas-for-survival-prediction-of-patients-with-hepatocellular-carcinoma
#19
Zhonghao Wang, Qian Wu, Shu Feng, Yanhua Zhao, Chuanmin Tao
BACKGROUND: As the fifth most common cancer worldwide, Hepatocellular carcinoma (HCC) is also the third most common cause of cancer-related death in China. Several lncRNAs have been demonstrated to be associated with occurrence and prognosis of HCC. However, identification of prognostic lncRNA signature for HCC with expression profiling data has not been conducted yet. METHODS: With the reuse of public available TCGA data, expression profiles of lncRNA for 371 patients with HCC were obtained and analyzed to find the independent prognostic lncRNA...
2017: PeerJ
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
#20
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
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