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https://www.readbyqxmd.com/read/28440732/expression-of-microrna-let-7a-positively-correlates-with-hepatitis-b-virus-replication-in-hepatocellular-carcinoma-tissues
#1
Dongni Qiu, Jian Chen, Jie Liu, Zhongguang Luo, Weiru Jiang, Jianping Huang, Zhibing Qiu, Wenjie Yue, Lijun Wu
Let-7a miRNA is downregulated in various cancers. However, in hepatocellular carcinoma (HCC) patients infected with hepatitis B virus (HBV), the relationship between let-7a and HBV replication has not been fully elucidated. Liver specimens were collected from 23 HCC patients with chronically active HBV. The serum levels of the HBV antigens hepatitis B surface antigen (HBsAg) and hepatitis B virus e antigen (HBeAg), and the HBV antibodies, anti-HBs, anti-HBe and anti-hepatitis B core antigen (anti-HBc) were measured using the microparticle enzyme immunoassay...
May 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28437884/regulatory-role-of-mir-211-5p-in-hepatocellular-carcinoma-metastasis-by-targeting-zeb2
#2
Guangbin Jiang, Li Wen, Weiping Deng, Zhiyuan Jian, Hongmei Zheng
Hepatocellular carcinoma (HCC) is the most common type of cancer and the rapid tumor growth, drug resistance and metastasis are the major problems for HCC therapy. MicroRNAs (miRNAs) involve in various cell biological processes in HCC. ZEB2 plays crucial roles in HCC progression. ZEB2 is regulated by some identified miRNAs, but there needs to find new miRNAs regulating ZEB2 expression for better understanding the molecular mechanism of HCC. In the present study, ZEB2 was identified as a direct target of miR-211-5p, which was a potential oncogene in cancer...
April 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28430660/screening-differential-circular-rna-expression-profiles-reveals-hsa_circ_0004018-is-associated-with-hepatocellular-carcinoma
#3
Liyun Fu, Ting Yao, Qingqing Chen, Xiaoyan Mo, Yaoren Hu, Junming Guo
Circular RNAs (circRNAs) have been emerged as an indispensable part of endogenous RNA network. However, the expression significance of circRNAs in hepatocellular carcinoma (HCC) is rarely revealed. The aim of this study was to determine the circRNA expression profile in HCC, and to investigate their clinical significances and relevant mechanisms for cancer progression. The global circRNA expression profile in HCC was measured by circRNA microarray. Levels of one representative circRNAs, hsa_circ_0004018, were confirmed by real-time reverse transcription-polymerase chain reaction...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430373/a-five-mirna-expression-signature-predicts-survival-in-hepatocellular-carcinoma
#4
Gang Liu, Hui Wang, Jin-Dong Fu, Jing-Ying Liu, Ai-Guo Yan, Yan-Yan Guan
The aim of this study was to identify a microRNA (miRNA) expression signature for predicting HCC (hepatocellular carcinoma) survival. A total of 322 HCC patients in The Cancer Genome Atlas (TCGA) database were randomly divided into training and testing set. miRNAs, associated with survival time in the training set, were identified by using univariate Cox regression analysis. The risk score was formulated based on the expression levels of these miRNAs. Then the miRNA signature was validated in testing set through Kaplan-Meier analysis and log-rank test...
April 21, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28428278/oncogenic-role-of-snd1-in-development-and-progression-of-hepatocellular-carcinoma
#5
Nidhi Jariwala, Devaraja Rajasekaran, Rachel G Mendoza, Xue-Ning Shen, Ayesha Siddiq, Maaged Akiel, Chadia L Robertson, Mark A Subler, Jolene Windle, Paul B Fisher, Arun J Sanyal, Devanand Sarkar
SND1, a subunit of the miRNA regulatory complex RISC, has been implicated as an oncogene in hepatocellular carcinoma (HCC). In this study, we show that hepatocyte-specific SND1 transgenic mice (Alb/SND1 mice) develop spontaneous HCC with partial penetrance and exhibit more highly aggressive HCC induced by chemical carcinogenesis. Livers from Alb/SND1 mice exhibited a relative increase in inflammatory markers and spheroid-generating tumor initiating cells (TIC). Mechanistic investigations defined roles for Akt and NF-kappaB signaling pathways in promoting TIC formation in Alb/SND1 mice...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28423650/mir-425-5p-promotes-invasion-and-metastasis-of-hepatocellular-carcinoma-cells-through-scai-mediated-dysregulation-of-multiple-signaling-pathways
#6
Feng Fang, Tianqiang Song, Ti Zhang, Yunlong Cui, Gewen Zhang, Qingqing Xiong
MicroRNAs (miRNAs) play critical roles in hepatocellular carcinoma (HCC) progression and are key determinants of prognosis. In this study, we found that miR-425-5p was elevated in HCC and correlated with poor prognostic clinicopathological features and low post-operative long-term survival. Multivariate survival analysis indicated that miR-425-5p expression was an independent risk factor for overall and disease-free survival. Interestingly, miR-425-5p promoted invasion and metastasis by HCC cells, but not HCC cell proliferation or apoptosis in vitro...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28419971/mir-493-5p-suppresses-hepatocellular-carcinoma-cell-proliferation-through-targeting-gp73
#7
Jinli Zhao, Tongsheng Xu, Feng Wang, Weihua Cai, Lin Chen
Aberrant expression of miRNAs has been documented to play critical roles in the development and progression of hepatocellular carcinoma (HCC). However, the expression pattern, functional roles and regulatory mechanism of miR-493-5p in HCC have not been addressed. Herein, we found that miR-493-5p was significantly downregulated in HCC tissues and was tightly associated with tumor size, tumor differentiation grade and TNM stage of HCC patients. Overexpression of miR-493-5p inhibited HCC cell proliferation, arrested cell cycle in G0/G1 phase and induced cell apoptosis...
April 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28410209/mir-106b-inhibitors-sensitize-trail-induced-apoptosis-in-hepatocellular-carcinoma-through-increase-of-death-receptor-4
#8
Changlong Xu, Liang Shi, Weilai Chen, Peipei Fang, Jie Li, Lingxiang Jin, Zhenzhen Pan, Chenwei Pan
TNF-related apoptosis-inducing ligand (TRAIL), which is a member of the TNF superfamily, can induce tumor cell apoptosis. However, multiple types of tumor, including hepatocellular carcinoma, show tolerance to TRAIL. Previous studies have demonstrated that tumor cells usually change their expression profile of microRNA (miRNA) to obtain the ability of tolerance to drugs. However, whether such change of miRNA on TRAIL sensitivity is seen in hepatocellular carcinoma still needs to be explored. In this study, we observed overexpression of miR-106b in both HCC patients' tumor tissues and cell lines...
March 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28403886/the-long-non-coding-rna-tp73-as1-modulates-hcc-cell-proliferation-through-mir-200a-dependent-hmgb1-rage-regulation
#9
Shaling Li, Yan Huang, Yun Huang, Yongming Fu, Daolin Tang, Rui Kang, Rongrong Zhou, Xue-Gong Fan
BACKGROUND: P73 antisense RNA 1 T (non-protein coding), also known as TP73-AS1, is a long non-coding RNA (lncRNA) which is involved in cell proliferation and the development of tumors. However, the exact effects and molecular mechanisms of TP73-AS1 in hepatocellular carcinoma (HCC) progression are still unknown. The present study is aimed to investigate the detailed functions and the mechanism of TP73-AS1 in regulation of HCC cell proliferation. METHODS: TP73-AS1 expression in HCC tissues and cell lines was determined using real-time PCR assays; the correlation of TP73-AS1 expression with clinicopathological features of HCC was analyzed...
April 12, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28394882/mir-4417-targets-tripartite-motif-containing-35-trim35-and-regulates-pyruvate-kinase-muscle-2-pkm2-phosphorylation-to-promote-proliferation-and-suppress-apoptosis-in-hepatocellular-carcinoma-cells
#10
Lijie Song, Weijie Zhang, Zhiwei Chang, Yanfeng Pan, Hong Zong, Qingxia Fan, Liuxing Wang
BACKGROUND MicroRNAs (miRNAs) are a class of small non-coding RNAs that are strongly involved in various types of carcinogenesis, including hepatocellular carcinoma (HCC). This study aimed to clarify whether miR-4417 promotes HCC growth by targeting TRIM35 and regulating PKM2 phosphorylation. MATERIAL AND METHODS Online software, including TargetScan and miRanda, was used to predict the potential target of miR-4417. Real-Time PCR (qRT-PCR) and Western blot assays were performed to detect the expression levels of mRNA and protein, respectively...
April 10, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28393215/mir-539-inhibits-fscn1-expression-and-suppresses-hepatocellular-carcinoma-migration-and-invasion
#11
Yanping Liu, Wei Hong, Cancan Zhou, Zhengdong Jiang, Guanghui Wang, Guangbing Wei, Xuqi Li
Increasing evidence indicates that the dysregulation of miRNAs that act as tumor suppressors or oncogenes is involved in tumorigenesis. However, the role of miR-539 in hepatocellular carcinoma (HCC) has not been well investigated. Quantitative RT-PCR (qRT-PCR), proliferation assay, colony formation assay, migration and invasion assays, western blotting, and xenograft tumor growth models were performed to assess the expression levels and functions of miR-539 in HCC. Luciferase reporter assays, qRT-PCR, western blotting, and immunohistochemistry were used to identify and verify the targets of miR-539...
April 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393113/evaluating-normalization-approaches-for-the-better-identification-of-aberrant-micrornas-associated-with-hepatocellular-carcinoma
#12
Jing Shen, Qiao Wang, Irina Gurvich, Helen Remotti, Regina M Santella
AIM: Dysregulated microRNAs (miRNAs) have been identified in hepatocellular carcinoma (HCC), but only a small proportion have been confirmed. An appropriate normalizer is crucial to determining the accuracy and reliability of data from miRNA studies. METHODS: Different normalization strategies were used to validate genome-wide miRNA profiles in HCC tumor and non-tumor tissues, and to determine the consistency and discrepancy of data on dysregulated miRNAs. RESULTS: Two sets of stable miRNAs (miR-30c/miR-30b and miR-30c/miR-126) were identified in HCC tissues by geNorm and NormFinder tools, respectively...
November 2016: Hepatoma Research
https://www.readbyqxmd.com/read/28389526/regulation-of-ugt2b4-and-ugt2b7-by-mirnas-in-liver-cancer-cells
#13
Dhilushi Wijayakumara, Peter Ian Mackenzie, Ross A McKinnon, Dong Gui Hu, Robyn Meech
The transcriptional regulation of UGT2B4 and UGT2B7 has been well studied using liver cancer cell lines and recently post-transcriptional regulation of these two UGTs by miR-216b-5p was reported. The present study describes novel miRNA-mediated regulation of UGT2B4 and UGT2B7 in liver cancer cells. Bioinformatic analyses identified a putative miR-3664-3p binding site in the UGT2B7 3'-UTR, and binding sites for both miR-135a-5p and miR-410-3p in the UGT2B4 3'-UTR. These sites were functionally characterized using miRNA mimics and reporter constructs...
April 7, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28387905/mirna-370-acts-as-a-tumor-suppressor-via-the-downregulation-of-pim1-in-hepatocellular-carcinoma
#14
X-P Pan, H-X Wang, D-M Tong, Y Li, L-H Huang, C Wang
OBJECTIVE: Hepatocellular carcinoma (HCC) is a primary malignancy of liver. Nowadays HCC is one of the most common and aggressive malignancies worldwide. This study shows the aberrant up-regulation or down-regulation of miR-370correlates with the development and prognosis of different human malignancies including HCC. MATERIALS AND METHODS: The HCC cell lines were used as model cell lines and the anti-tumor effect of miR-370 in vitro were examined. The level of miR-370 in HCC cells was determined by qRT-PCR and restored in GC cells by using miR-370 mimic...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28387375/plga-based-dual-targeted-nanoparticles-enhance-mirna-transfection-efficiency-in-hepatic-carcinoma
#15
Chenlei Cai, Yuexia Xie, Liangliang Wu, Xiaojing Chen, Hongmei Liu, Yan Zhou, Hanbing Zou, Dejun Liu, Yanan Zhao, Xianming Kong, Peifeng Liu
Hepatic carcinoma (HCC) is a lethal disease associated with high morbidity and poor prognosis. Recently years, gene therapies have offered novel modalities to improve the prognosis of HCC patients. MicroRNA-99a (miR-99a) is frequently down-regulated in HCC, where it acts as a tumor suppressor. Therefore, we constructed monomethoxy (polyethylene glycol)-poly(D,L-lactide-co-glycolide)-poly(L-lysine)-lactobionic acid- anti-vascular endothelial growth factor antibody (mPEG-PLGA-PLL-LA/VEGFab or PEAL-LA/VEGFab) nanoparticles (NPs) with highly specific targeting properties as carriers to restore the expression of miR-99a both in vitro and in vivo, to inhibit HCC progression...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28383568/microrna-140-5p-inhibits-hepatocellular-carcinoma-by-directly-targeting-the-unique-isomerase-pin1-to-block-multiple-cancer-driving-pathways
#16
Xingxue Yan, Zhendong Zhu, Shenmin Xu, Li-Nan Yang, Xin-Hua Liao, Min Zheng, Dayun Yang, Jichuang Wang, Dongmei Chen, Long Wang, Xiaolong Liu, Jingfeng Liu, Ruey-Hwa Chen, Xiao Zhen Zhou, Kun Ping Lu, Hekun Liu
Hepatocellular carcinoma (HCC) is the second leading cause of cancer related-death. As a major common regulator of numerous cancer-driving pathways and a unique therapeutic target, the prolyl isomerase Pin1 is overexpressed in a majority of HCCs, whereas the mechanism underlying Pin1 overexpression remains elusive. Here we find that miR-140-5p inhibits HCC by directly targeting Pin1 to block multiple cancer-driving pathways. Bioinformatics analysis, miRNA binding and functional assays identify that miR-140-5p directly interacts with the 3'UTR of Pin1 and inhibits Pin1 translation...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28378640/bioinformatics-prediction-and-experimental-validation-of-microrna-20a-targeting-cyclin-d1-in-hepatocellular-carcinoma
#17
Hamzeh Karimkhanloo, Samira Mohammadi-Yeganeh, Zeinab Ahsani, Mahdi Paryan
Hepatocellular carcinoma is the major form of primary liver cancer, which is the second and sixth leading cause of cancer-related death in men and women, respectively. Extensive research indicates that Wnt/β-catenin signaling pathway, which plays a pivotal role in growth, development, and differentiation of hepatocellular carcinoma, is one of the major signaling pathways that is dysregulated in hepatocellular carcinoma. Cyclin D1 is a proto-oncogene and is one of the major regulators of Wnt signaling pathway, and its overexpression has been detected in various types of cancers including hepatocellular carcinoma...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28374914/overexpression-of-long-non-coding-rna-meg3-inhibits-proliferation-of-hepatocellular-carcinoma-huh7-cells-via-negative-modulation-of-mirna-664
#18
Jin-Hua He, Ze-Ping Han, Ji-Ming Liu, Jia-Bin Zhou, Mao-Xian Zou, Yu Bing Lv, Yu-Guang Li, Ming-Rong Cao
Evidence is accumulating that long non-coding RNAs (lncRNAs) are involved in human tumorigenesis and dysregulated in many cancers, including hepatocellular carcinoma (HCC). Because lncRNAs can regulate essential pathways that contribute to tumor initiation and progression with their tissue specificity, lncRNAs are valuable biomarkers and therapeutic targets. Maternally-expressed gene 3 (MEG3) is a lncRNA overexpressed in HCC cells that inhibits HCC progression, however, the mechanism remains largely unknown...
April 4, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28374902/impact-of-microrna-375-and-its-target-gene-smad-7-polymorphism-on-susceptibility-of-colorectal-cancer
#19
Olfat Gamil Shaker, Shereen Rashad Mohammed, Asmaa Mohammed Mohammed, Zeinab Mahmoud
BACKGROUND: Colorectal cancer (CRC) has a high morbidity and mortality. Many studies reported that mir-375 is frequently down-regulated in many cancers including esophageal cancer, hepatocellular carcinoma, breast cancer and leukemias. AIM: Our aim was to study the expression of microRNA-375 and its target gene SMAD-7 polymorphisms (rs4939827) in CRC patients in comparison to control subjects and to correlate these results with clinical data of patients to elucidate their role in pathogenesis and early diagnosis of CRC...
April 4, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28367241/microrna-200a-inhibits-cell-growth-and-metastasis-by-targeting-foxa2-in-hepatocellular-carcinoma
#20
Shu-Ying Chen, De-Ning Ma, Qiu-Dan Chen, Jing-Jun Zhang, Yue-Ru Tian, Zhi-Cheng Wang, Hao Cai, Yong Lin, Hui-Chuan Sun
Background: MicroRNAs (miRNAs) are a class of endogenous, small non-coding RNAs which function as essential posttranscriptional modulators of gene expression tightly involved in a wide range of diseases, including the hepatocellular carcinoma (HCC). Here, the present study was designed to investigate the expression levels and cellular roles of miR-200a in HCC. Methods: Quantitative reverse-transcription polymerase chain reaction (qRT-PCR) was used to detect the expression levels of miR-200a in serums and cell lines...
2017: Journal of Cancer
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