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https://www.readbyqxmd.com/read/29775159/bioinformatics-functional-analysis-of-let-7a-mir-34a-and-mir-199a-b-reveals-novel-insights-into-immune-system-pathways-and-cancer-hallmarks-for-hepatocellular-carcinoma
#1
Bangly Soliman, Ahmed Salem, Mohamed Ghazy, Nourhan Abu-Shahba, Mahmoud El Hefnawi
Let-7a, miR-34a, and miR-199 a/b have gained a great attention as master regulators for cellular processes. In particular, these three micro-RNAs act as potential onco-suppressors for hepatocellular carcinoma. Bioinformatics can reveal the functionality of these micro-RNAs through target prediction and functional annotation analysis. In the current study, in silico analysis using innovative servers (miRror Suite, DAVID, miRGator V3.0, GeneTrail) has demonstrated the combinatorial and the individual target genes of these micro-RNAs and further explored their roles in hepatocellular carcinoma progression...
May 2018: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29760792/the-emerging-role-of-circular-rnas-in-hepatocellular-carcinoma
#2
REVIEW
Li-Peng Qiu, Yi-Hang Wu, Xiao-Feng Yu, Qi Tang, Liang Chen, Ke-Ping Chen
Hepatocellular carcinoma (HCC) ranks the third leading cause of cancer death in the world and has a notably low survival rate. Circular RNAs (circRNAs) are newly classed non-coding RNA (ncRNA) members that are capable of regulating gene expression at transcription or post-transcription levels. Recent studies demonstrate that some circRNAs are differentially expressed in HCC, and the deregulation of these circRNAs is associated with the clinical pathological and prognostic significance. They also play essential roles in HCC progression, and contribute to cell proliferation, migration, invasion and metastasis by targeting different microRNAs (miRNAs) and protein-coding genes...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29758928/microrna-493-suppresses-cell-proliferation-and-invasion-by-targeting-zfx-in-human-hepatocellular-carcinoma
#3
Wei Ding, Hongbo Tan, Xuemei Li, Yue Zhang, Fang Fang, Yuanyuan Tian, Jin Li, Xinghua Pan
BACKGROUNDS: MicroRNAs (miRNAs) are some RNA molecules that negatively regulate gene expression by binding to the 3'-untranslated region (3'-UTR) of target mRNA molecules. The aim of the study is to investigate the clinical role and functional effects of microRNA-493 (miR-493) in human hepatocellular carcinoma (HCC). METHODS: Expression of miR-493 in 58 cases of HCC tissues and adjacent normal tissues was determined by using quantitative real-time PCR (qRT-PCR) analyses...
May 4, 2018: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29758233/longitudinal-assessment-of-ultrasound-guided-complementary-microrna-therapy-of-hepatocellular-carcinoma
#4
Sayan Mullick Chowdhury, Taehwa Lee, Sunitha V Bachawal, Rammohan Devulapally, Lotfi Abou-Elkacem, Tristan Alan Yeung, Jennifer Wischhusen, Lu Tian, Jeremy Dahl, Ramasamy Paulmurugan, Jürgen Karl Willmann
Hepatocellular carcinoma (HCC) is the second-leading cause of cancer related deaths worldwide and new strategies to efficiently treat HCC are critically needed. The aim of this study was to assess the longitudinal treatment effects of two complementary miRNAs (miRNA-122 and antimiR-21) encapsulated in biodegradable poly lactic-co-glycolic acid (PLGA) - poly ethylene glycol (PEG) nanoparticles (PLGA-PEG-NPs), administered by an ultrasound-guided and microbubble-mediated delivery approach in doxorubicin-resistant and non-resistant human HCC xenografts...
May 11, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29749550/microarray%C3%A2-based-bioinformatics-analysis-of-the-prospective-target-gene-network-of-key-mirnas-influenced-by-long-non%C3%A2-coding-rna-pvt1-in-hcc
#5
Yu Zhang, Wei-Jia Mo, Xiao Wang, Tong-Tong Zhang, Yuan Qin, Han-Lin Wang, Gang Chen, Dan-Ming Wei, Yi-Wu Dang
The long non‑coding RNA (lncRNA) PVT1 plays vital roles in the tumorigenesis and development of various types of cancer. However, the potential expression profiling, functions and pathways of PVT1 in HCC remain unknown. PVT1 was knocked down in SMMC‑7721 cells, and a miRNA microarray analysis was performed to detect the differentially expressed miRNAs. Twelve target prediction algorithms were used to predict the underlying targets of these differentially expressed miRNAs. Bioinformatics analysis was performed to explore the underlying functions, pathways and networks of the targeted genes...
May 2, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29749382/microrna-501-3p-suppresses-metastasis-and-progression-of-hepatocellular-carcinoma-through-targeting-lin7a
#6
Chubin Luo, Dan Yin, Hao Zhan, Uyunbilig Borjigin, Chuanjiang Li, Zhengjun Zhou, Zhiqiang Hu, Pengcheng Wang, Qiman Sun, Jia Fan, Jian Zhou, Xin Wang, Shaolai Zhou, Xiaowu Huang
Increasing numbers of evidences have demonstrated that microRNAs (miRNAs) are implicated in metastasis and progression of hepatocellular carcinoma (HCC). However, their detailed expression levels and actual functions in HCCs have not been fully clarified yet. Results from our recent study revealed that some miRNAs were particularly related to metastasis of HCCs. As one of these newly found miRNAs, miR-501-3p showed to highly involve into metastatic process of HCCs. Here we reported that the expression of miR-501-3p was decreased in both metastatic HCC cell lines and tissue samples from HCC patients with recurrence and metastasis...
May 10, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29749374/microrna-125b-reverses-oxaliplatin-resistance-in-hepatocellular-carcinoma-by-negatively-regulating-eva1a-mediated-autophagy
#7
Wei-Wei Ren, Dan-Dan Li, Xiao-Long Li, Ya-Ping He, Le-Hang Guo, Lin-Na Liu, Hui-Xiong Xu, Li-Ping Sun, Xiao-Ping Zhang
EVA1A (also known as transmembrane protein 166) is a transmembrane protein involved in the regulation of autophagy that acts as an adaptor protein to recruit or bind proteins in the lysosome or endoplasmic reticulum. In the present study, we identified EVA1A as a target of microRNA-125b (miR-125b), a member of a highly conserved family of miRNAs that has been proposed as a biomarker for hepatocellular carcinoma (HCC). Analysis of oxaliplatin-sensitive and oxaliplatin-resistant HCC cell lines showed that miR-125b is downregulated in resistant cells and its overexpression in sensitive cells decreased resistance to oxaliplatin by inhibiting cell proliferation, migration and epithelial-mesenchymal transition (EMT)...
May 10, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29743543/mir-23a-transcriptional-activated-by-runx2-increases-metastatic-potential-of-mouse-hepatoma-cell-via-directly-targeting-mgat3
#8
Huang Huang, Yubo Liu, Peishan Yu, Jianhua Qu, Yanjie Guo, Wenli Li, Shujing Wang, Jianing Zhang
MicroRNAs (miRNAs) and aberrant glycosylation both play important roles in tumor metastasis. In this study, the role of miR-23a in N-glycosylation and the metastasis of mouse hepatocellular carcinoma (HCC) cells was investigated. The miRNA expression array profiles that were confirmed by qPCR and Western blot analyses revealed higher miR-23a expression levels in Hca-P cells (with lymphatic metastasis potential) than in Hepa1-6 cells (with no lymphatic metastasis potential), while the expression of mannoside acetylglucosaminyltransferase 3 (Mgat3) was negatively associated with metastasis potential...
May 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29740493/bioinformatic-analysis-and-prediction-of-the-function-and-regulatory-network-of-long-non-coding-rnas-in-hepatocellular-carcinoma
#9
Ming-Rong Cao, Ze-Ping Han, Ji-Ming Liu, Yu-Guang Li, Yu-Bing Lv, Jia-Bin Zhou, Jin-Hua He
Computational analysis and bioinformatics have significantly advanced the ability of researchers to process and analyze biological data. Molecular data from human and model organisms may facilitate drug target validation and identification of biomarkers with increased predictive accuracy. The aim of the present study was to investigate the function of long non-coding RNAs (lncRNAs) in hepatocellular carcinoma (HCC) using online databases, and to predict their regulatory mechanism. HCC-associated lncRNAs, their downstream transcription factors and microRNAs (miRNAs/miRs), as well as the HCC-associated target genes, were identified using online databases...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29740327/extracellular-vesicles-as-carriers-of-non-coding-rnas-in-liver-diseases
#10
REVIEW
Junfa Yang, Changyao Li, Lei Zhang, Xiao Wang
Extracellular vesicles (EVs) are small membranous vesicles secreted from normal, diseased, and transformed cells in vitro and in vivo . EVs have been found to play a critical role in cell-to-cell communication by transferring non-coding RNAs (ncRNAs) including microRNAs (miRNAs), long ncRNAs (lncRNAs) and so on. Emerging evidence shows that transferring biological information through EVs to neighboring cells in intercellular communication not only keep physiological functions, but also participate in the pathogenesis of liver diseases...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29739059/lncrna-pvt1-a-novel-therapeutic-target-for-cancers
#11
REVIEW
Xuefeng Pan, Guobao Zheng, Chunfang Gao
BACKGROUND: Long non-coding RNA PVT1, as an important carcinogenic lncRNA, is highly expressed in many malignant tumors and suggests a poorer prognosis. It can promote the occurrence and development of cancers by affecting cell proliferation, migration, invasion and apoptosis. This article reviews the progress of lncRNA PVT1 on cancer therapy, in order to facilitate the in-depth study of lncRNA PVT1 acting as a promising target for therapy in cancers. METHODS: We extracted all relevant studies of lncRNA PVT1 on the treatment of cancers by searching electronic databases Pubmed, Embase, Web of Science from inception to November 30, 2017...
May 1, 2018: Clinical Laboratory
https://www.readbyqxmd.com/read/29736311/mir-337-3p-suppresses-the-proliferation-and-invasion-of-hepatocellular-carcinoma-cells-through-targeting-jak2
#12
Xue-Liang Zuo, Zhi-Qiang Chen, Jun-Feng Wang, Jin-Guo Wang, Lin-Hu Liang, Juan Cai
Accumulating evidence has indicated that microRNA (miRNA) dysregulation contributes to hepatocellular carcinoma (HCC) progression. miR-337-3p is downregulated in gastric cancer and neuroblastoma; however, its biological function and underlying mechanism in HCC remain unclear. In this study, we showed that the expression level of miR-337-3p was significantly decreased in HCC, and was associated with several clinicopathological characteristics, including tumor multiplicity, histological differentiation, and Barcelona Clinic Liver Cancer stage...
2018: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29734164/microrna-873-promotes-cell-proliferation-migration-and-invasion-by-directly-targeting-tslc1-in-hepatocellular-carcinoma
#13
Guoyong Han, Long Zhang, Xuhao Ni, Zhiqiang Chen, Xiongxiong Pan, Qin Zhu, Shu Li, Jindao Wu, Xinli Huang, Xuehao Wang
BACKGROUND/AIMS: Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer and has the third highest mortality rate among all cancers. MicroRNAs are a class of endogenous, single-stranded short noncoding RNAs. The purpose of this study was to study the role of microRNA-873 in HCC. METHODS: The expression of miRNA-873 and tumor suppressor in lung cancer 1 (TSLC1) in HCC tissues and cell lines was detected by real-time quantitative RT-PCR (RT-qPCR) or western blot...
May 3, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29728125/matrix-stiffness-upregulated-loxl2-promotes-fibronectin-production-mmp9-and-cxcl12-expression-and-bmdcs-recruitment-to-assist-pre-metastatic-niche-formation
#14
Sifan Wu, Qiongdan Zheng, Xiaoxia Xing, Yinying Dong, Yaohui Wang, Yang You, Rongxin Chen, Chao Hu, Jie Chen, Dongmei Gao, Yan Zhao, Zhiming Wang, Tongchun Xue, Zhenggang Ren, Jiefeng Cui
BACKGROUND: Higher matrix stiffness affects biological behavior of tumor cells, regulates tumor-associated gene/miRNA expression and stemness characteristic, and contributes to tumor invasion and metastasis. However, the linkage between higher matrix stiffness and pre-metastatic niche in hepatocellular carcinoma (HCC) is still largely unknown. METHODS: We comparatively analyzed the expressions of LOX family members in HCC cells grown on different stiffness substrates, and speculated that the secreted LOXL2 may mediate the linkage between higher matrix stiffness and pre-metastatic niche...
May 4, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29724530/mir-876-5p-acts-as-an-inhibitor-in-hepatocellular-carcinoma-progression-by-targeting-dnmt3a
#15
Yizhou Wang, Yanting Xie, Xifeng Li, Jianbo Lin, Shichao Zhang, Zheng Li, Lei Huo, Renyan Gong
Hepatocellular carcinoma (HCC) is one of the biggest challenges that human beings faced with in 21st century. Previous researches have revealed that miRNAs can serve as regulators in various cancers. MiR-876-5p, a member of miRNA family, has been studied in lung cancer for its anti-oncogenic function. However, the exact function of it is not reported in HCC. Our study aims to find out the effects of miR-876-5p expression on HCC progression. Two HCC cells were chosen to do functional assays after miR-876-5p expression was detected in cell lines by qRT-PCR...
April 21, 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29723684/the-role-of-exportin-5-in-microrna-biogenesis-and-cancer
#16
REVIEW
Ke Wu, Juan He, Wenchen Pu, Yong Peng
MicroRNAs (miRNAs) are conserved small non-coding RNAs that play an important role in the regulation of gene expression and participate in a variety of biological processes. The biogenesis of miRNAs is tightly controlled at multiple steps, such as transcription of miRNA genes, processing by Drosha and Dicer, and transportation of precursor miRNAs (pre-miRNAs) from the nucleus to the cytoplasm by exportin-5 (XPO5). Given the critical role of nuclear export of pre-miRNAs in miRNA biogenesis, any alterations of XPO5, resulting from either genetic mutation, epigenetic change, abnormal expression level or posttranslational modification, could affect miRNA expression and thus have profound effects on tumorigenesis...
April 30, 2018: Genomics, Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/29719937/a-novel-rna-sequencing-based-mirna-signature-predicts-with-recurrence-and-outcome-of-hepatocellular-carcinoma
#17
Bai Fumao, Huaibin Zhou, Mengni Ma, Chen Guan, Jianxin Lyu, Qing H Meng
Hepatocellular carcinoma (HCC) is the fifth most common type of cancer and the second leading cause of cancer-related deaths worldwide. Given that the rate of HCC recurrence 5 years after liver resection is as high as 70%, patient with HCC typically have a poor outcome. A biomarker or set of biomarkers that could predict disease recurrence would have a substantial clinical impact, allowing earlier detection of recurrence and more effective treatment. With the aim of identifying a new microRNA (miRNA) signature associated with HCC recurrence, we analyzed data on 306 HCC patients for whom both miRNA expression profiles and complete clinical information were available from The Cancer Genome Atlas (TCGA) database...
May 2, 2018: Molecular Oncology
https://www.readbyqxmd.com/read/29713196/identification-of-potential-prognostic-microrna-biomarkers-for-predicting-survival-in-patients-with-hepatocellular-carcinoma
#18
Xiwen Liao, Guangzhi Zhu, Rui Huang, Chengkun Yang, Xiangkun Wang, Ketuan Huang, Tingdong Yu, Chuangye Han, Hao Su, Tao Peng
Background: The aim of the present study was to identify potential prognostic microRNA (miRNA) biomarkers for hepatocellular carcinoma (HCC) prognosis prediction based on a dataset from The Cancer Genome Atlas (TCGA). Materials and methods: A miRNA sequencing dataset and corresponding clinical parameters of HCC were obtained from TCGA. Genome-wide univariate Cox regression analysis was used to screen prognostic differentially expressed miRNAs (DEMs), and multivariable Cox regression analysis was used for prognostic signature construction...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29713162/mir-221-suppression-through-nanoparticle-based-mirna-delivery-system-for-hepatocellular-carcinoma-therapy-and-its-diagnosis-as-a-potential-biomarker
#19
Feng Li, Feiran Wang, Changlai Zhu, Qun Wei, Tianyi Zhang, You Lang Zhou
Background: MicroRNA-221(miR-221) is frequently dysregulated in cancer. The purpose of this study was to explore whether miR-221 can be used as a potential diagnostic marker or therapeutic target for hepatocellular carcinoma (HCC). Methods: In this study, we investigated whether miR-221 expression was associated with clini-copathological characteristics and prognosis in HCC patients, and we developed a nanoparticle-based miRNA delivery system and detected its therapeutic efficacy in vitro and in vivo...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29713019/imaging-of-angiogenesis-of-human-umbilical-vein-endothelial-cells-by-uptake-of-exosomes-secreted-from-hepatocellular-carcinoma-cells
#20
Hiroshi Yukawa, Kaoru Suzuki, Keita Aoki, Tomoko Arimoto, Takao Yasui, Noritada Kaji, Tetsuya Ishikawa, Takahiro Ochiya, Yoshinobu Baba
Hepatocellular carcinoma (HCC) is a typical hyper-vascular tumor, so the understanding the mechanisms of angiogenesis in HCC is very important for its treatment. However, the influence of the exosomes secreted from HCC cells (HCC-exosomes) on angiogenesis remains poorly understood. We herein examined the effects of the exosomes secreted from HepG2 cells (HepG2-exosomes) on the lumen formation of human umbilical vein endothelial cells (HUVECs) by the imaging of angiogenesis. The degree of lumen formation of HUVECs was dependent on the number of HepG2-exosomes...
April 30, 2018: Scientific Reports
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