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https://www.readbyqxmd.com/read/29164842/tumor-suppressor-role-of-mir-503
#1
Gaurav Gupta, Dinesh K Chellappan, Terezinha de Jesus Andreoli Pinto, Philip M Hansbro, Mary Bebawy, Kamal Dua
MicroRNAs (miRNAs) are noncoding RNAs of around 20-25 nucleotides in length with highly conserved characteristics. They moderate posttranscriptional silencing by precisely combining with 3' untranslated regions (UTRs) of target mRNAs at a complementary site. miR503, an associate of the "canonical" miRNA16 family, is expressed in numerous types of tumors such as breast cancer, prostate cancer, lung cancer, colorectal cancer, hepatocellular carcinoma, glioblastoma and several others. There is convincing evidence to show that miR503 functions as a tumor suppressor gene through its effects on target genes that regulate cell proliferation, migration, and invasion in tumor cells...
November 22, 2017: Panminerva Medica
https://www.readbyqxmd.com/read/29156819/mir-29a-3p-suppresses-cell-proliferation-and-migration-by-downregulating-igf1r-in-hepatocellular-carcinoma
#2
Xiao Wang, Shasha Liu, Ling Cao, Tengfei Zhang, Dongli Yue, Liping Wang, Yu Ping, Qianyi He, Chaoqi Zhang, Meng Wang, Xinfeng Chen, Qun Gao, Dan Wang, Zhen Zhang, Fei Wang, Li Yang, Jieyao Li, Lan Huang, Bin Zhang, Yi Zhang
Hepatocellular carcinoma (HCC), the most common primary tumor of the liver, has a poor prognosis and rapid progression. MicroRNAs (miRNAs) play important roles in carcinogenesis and tumor progression. Insulin-like growth factor 1 receptor (IGF1R) is a transmembrane heterotetrameric protein that has been reported to promote transformation to malignancy and cancer cell proliferation and survival. In this study, we found that the expression of miR-29a-3p was downregulated in HCC patients, resulting in poor survival rates...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29152108/microrna-31-suppresses-the-self-renewal-capability-of-%C3%AE-2%C3%AE-1-liver-tumor-initiating-cells-by-targeting-isl1
#3
Yuan Zhang, Wei Zhao, Haibo Han, Sheng Li, Dongji Chen, Zhiqian Zhang
Accumulating evidence demonstrates that miRNAs, a class of small non-coding RNAs, are involved in the regulation of tumor-initiating cells (TICs) which are considered to be the origin of cancer development according to the cancer stem cell hypothesis. We have previously identified that miR-31 may play suppressive roles in α2δ1(+) hepatocellular carcinoma (HCC) TICs. Here, we confirm that the expression of miR-31 is significantly downregulated in α2δ1(+) HCC TICs. Overexpression of miR-31 in α2δ1(+) HCC TICs results in significant suppression of the self-renewal and tumorigenicity abilities of these cells...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29143999/microrna-27a-3p-inhibits-cell-viability-and-migration-through-down-regulating-dusp16-in-hepatocellular-carcinoma
#4
Jin-Mao Li, Jun Zhou, Zhen Xu, Hai-Jin Huang, Min-Jiang Chen, Jian-Song Ji
MicroRNA (miRNA or miR) has been shown to play an important role in the initiation and development in many different cancers. Here, we demonstrated down-regulated expression of miR-27a-3p in hepatocellular carcinoma (HCC) tissues in comparison with that in adjacent normal liver tissues based on the TCGA database. Cells viability and apoptosis was measured by CCK-8 and flow cytometry assay. Cell invasion and migration was measured by Transwell and wound healing assay. The effect of miR-27a-3p on DUSP16 expression was evaluated by luciferase assays, and western blot assay...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29136911/one-step-detection-for-two-serological-biomarker-species-to-improve-the-diagnostic-accuracy-of-hepatocellular-carcinoma
#5
Tao Gao, Jun Zhi, Chaoli Mu, Shiyu Gu, Jing Xiao, Jie Yang, Zhaoxia Wang, Yang Xiang
At present, the accuracy of clinical hepatocellular carcinoma (HCC) diagnosis needs to be further improved. In this work, two kinds of serological biomarker species, microRNA and protein biomarker, have been detected simultaneously to identify HCC. Herein, a dual-aptamer hairpin DNA oligonucleotide is designed as the electrochemical sensing probe (ESP) to achieve this goal. The hairpin-structured DNA probe consists microRNA-16 (miR-16) complementary sequence and alpha fetoprotein (AFP) aptamer sequence, so it can both capture miR-16 and AFP...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29127520/association-between-mir-146a-rs2910164-polymorphism-and-specific-cancer-susceptibility-an-updated-meta-analysis
#6
REVIEW
Xia Hao, Lingzi Xia, Ruoyi Qu, Xianglin Yang, Min Jiang, Baosen Zhou
The rapidly increasing of cancer risk nationwide and worldwide has threatened human health and caused the changes of disease and death spectrum. MicroRNA (MiRNA) as cancer biomarker on susceptibility has enjoyed a high level of concern. This article will discuss the association between miR-146 rs2910164 polymorphism and cancer susceptibility in 38 independent case-control studies from 34905 individuals. The 38 case-control studies which were searched from PubMed were used for conducting a meta-analysis. There were 14670 cases and 20235 controls...
November 10, 2017: Familial Cancer
https://www.readbyqxmd.com/read/29123978/deep-sequencing-and-comprehensive-expression-analysis-identifies-several-molecules-potentially-related-to-human-poorly-differentiated-hepatocellular-carcinoma
#7
Ping Shao, Deguang Sun, Liming Wang, Rong Fan, Zhenming Gao
Hepatocellular carcinoma (HCC) that is graded histologically as poorly differentiated has a high recurrence, metastasis and poor prognosis. We sought to determine the regulatory mechanisms of HCC tumorigenesis and to identify molecules closely related to poorly differentiated HCC. High-throughput sequencing was used to construct microRNA (miRNA) and mRNA expression profiles for poorly differentiated HCC tissues and adjacent tissues. Network analysis was carried out to study miRNA-target interactions. Integrating the miRNA and mRNA data of HCC with four tumor grades from The Cancer Genome Atlas (TCGA) portal enabled the identification of potential closely related molecules for early diagnosis of poorly differentiated HCC...
November 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/29119055/mir-488-suppresses-cell-proliferation-and-invasion-by-targeting-adam9-and-lncrna-hulc-in-hepatocellular-carcinoma
#8
Dengdi Hu, Dan Shen, Min Zhang, Nengmeng Jiang, Feng Sun, Shibo Yuan, Kaiming Wan
MicroRNAs (miRNAs) have been identified as regulators of tumor proliferation, invasion, and metastasis in hepatocellular carcinoma (HCC). In the current study, we determined the clinical significance and biological role of miR-488 in HCC. Our results demonstrated that the expression of miR-488 was notably downregulated in HCC tissues compared with paired adjacent normal tissues. Lower miR-488 expression was positively associated with tumor size, vascular invasion, and shorter overall survival (OS) in HCC patients...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29113334/exosomal-mir-665-as-a-novel-minimally-invasive-biomarker-for-hepatocellular-carcinoma-diagnosis-and-prognosis
#9
Zhen Qu, Junhua Wu, Junyi Wu, Anlai Ji, Guanghui Qiang, Yong Jiang, Chunping Jiang, Yitao Ding
Recent studies have shown that circulating microRNAs are potential biomarkers for various types of malignancies. The aim of this study was to investigate the feasibility of using serum exosomal microRNAs (miRNAs) as novel serological biomarkers for hepatocellular carcinoma (HCC) diagnosis and prognosis. Exosomes are small membranous vesicles (30-100 nm). Exosomal miR-665 levels in HCC patients were significantly higher than those in healthy subjects (P < 0.05), and exosomal miR-665 levels were significantly upregulated in tumours larger in size (> 5 cm), in tumours with local invasion and in those at an advanced clinical stage (stage III/IV) of HCC (P = 0...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29113231/reduced-mir-125a-levels-associated-with-poor-survival-of-patients-with-hepatocellular-cancer
#10
Gaixia Lu, Yushui Ma, Chengyou Jia, Huiqiong Yang, Ruting Xie, Pei Luo, Li Chai, Haidong Cai, Mingxiang Cai, Zhongwei Lv, Xianling Cong, Da Fu
MicroRNAs (miRNAs) serve an important role in tumorigenesis and development. Although a low expression of miR-125a in hepatocellular carcinoma (HCC) has been reported, the clinical significance remains unknown. In the current study, the data of Gene Expression Omnibus datasets was analyzed and significantly low expression of miR-125a in HCC was verified. Furthermore, the expression and clinical significance of miR-125a was investigated in 27 normal liver and 98 HCC tissue samples using reverse transcription-quantitative polymerase chain reaction analysis...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29108133/targeted-delivery-of-mir-199a-3p-using-self-assembled-dipeptide-nanoparticles-efficiently-reduces-hepatocellular-carcinoma
#11
Aditi Varshney, Jiban J Panda, Avishek K Singh, Nitin Yadav, Chhagan Bihari, Subhrajit Biswas, Shiv K Sarin, Virander S Chauhan
Hepatocellular carcinoma (HCC) is an aggressive tumor with limited systemic and locoregional modalities of treatment. Although microRNA (miRNA) based therapies have significant potential, their targeted delivery remains a major challenge. miR-199a-3p functions as an important tumor suppressor in HCC, which regulates various cellular processes. Recently, peptide-based nanoparticles (NPs) have been developed to deliver oligonucleotides including miRNA. Here, we describe the synthesis and characterization of arginine α,β-dehydrophenylalanine (RΔF) nanoparticles for the selective delivery of miR-199a-3p to restore dysregulated gene expression in HCC...
November 6, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29104512/identification-and-analysis-of-p53-mediated-competing-endogenous-rna-network-in-human-hepatocellular-carcinoma
#12
Yiming Zhang, Ran Kang, Wenrong Liu, Yalan Yang, Ruofan Ding, Qingqing Huang, Junhua Meng, Lili Xiong, Zhiyun Guo
Recent studies have indicated that long non-coding RNAs (lncRNAs) and mRNA function as competing endogenous RNAs (ceRNAs) that compete to bind to shared microRNA (miRNA) recognition elements (MREs) to perform specific biological functions during tumorigenesis. The tumor suppressor p53 is a master regulator of cancer-related biological processes by acting as a transcription factor to regulate target genes including miRNA and lncRNA. However, the mechanism in human hepatocellular carcinoma and whether p53-mediated RNA targets could form ceRNA network remain unclear...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29093516/thyroid-hormone-inhibits-growth-of-hepatoma-cells-through-induction-of-mir-214
#13
Po-Shuan Huang, Yang-Hsiang Lin, Hsiang-Cheng Chi, Pei-Yu Chen, Ya-Hui Huang, Chau-Ting Yeh, Chia-Siu Wang, Kwang-Huei Lin
Thyroid hormone (TH) plays a role in regulating the metabolic rate, heart functions, muscle control and maintenance of bones. 3,3'5-tri-iodo-L-thyronine (T3) displays high affinity to nuclear thyroid hormone receptors (TRs), which mediate most TH actions. Recent studies have shown hypothyroidism in patients with an increased risk of hepatocellular carcinoma (HCC). MicroRNAs (miRNAs), a class of non-protein-coding RNA, are suggested to control tumor growth by interacting with target genes. However, the clinical significance of T3/TR-regulated miRNAs in tumors has yet to be established...
November 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29069716/mir-338-3p-inhibits-epithelial-mesenchymal-transition-and-metastasis-in-hepatocellular-carcinoma-cells
#14
Jing-Song Chen, Li-Li Liang, Hong-Xu Xu, Fan Chen, Shun-Li Shen, Wei Chen, Lian-Zhou Chen, Qiao Su, Long-Juan Zhang, Jiong Bi, Wen-Tao Zeng, Wen Li, Ning Ma, Xiao-Hui Huang
Down-regulation of the miRNA miR-338-3p correlates with the invasive ability of hepatocellular carcinoma (HCC) cells. However, it is currently unclear whether down-regulation of miR-338-3p induces epithelial-mesenchymal transition (EMT), which may be the underlying mechanism governing HCC invasion. Here, we demonstrate that restoration of miR-338-3p expression via transfection of a miR-338-3p mimic reversed EMT and inhibited the motility and invasiveness of HCC cells. Conversely, silencing of endogenous miR-338-3p expression with a miR-338-3p-specific inhibitor induced EMT and enhanced HCC cell motility...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29061507/microrna-30a-suppresses-autophagy-mediated-anoikis-resistance-and-metastasis-in-hepatocellular-carcinoma
#15
Xiu-Tao Fu, Ying-Hong Shi, Jian Zhou, Yuan-Fei Peng, Wei-Ren Liu, Guo-Ming Shi, Qiang Gao, Xiao-Ying Wang, Kang Song, Jia Fan, Zhen-Bin Ding
MiRNA-30a (miR-30a) was previously reported as one of metastatic hepatocellular carcinoma (HCC)-related microRNAs. However, the function of miR-30a on enhancing our biological understanding of HCC metastasis is not clear. This study demonstrated that miR-30a was significantly down-regulated in HCC tissues and cell lines, and was associated with vascular invasion, metastasis potential and recurrent disease in HCC. Functional studies confirmed that miR-30a could inhibit the metastasis of HCC in a well-established nude mouse model of lung metastasis...
October 20, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29055114/sorafenib-response-in-hepatocellular-carcinoma-micrornas-as-tuning-forks-mirnas-as-regulators-of-sorafenib-response-in-hcc
#16
REVIEW
Shruthi Kanthaje, Ankita Makol, Anuradha Chakraborti
Hepatocellular carcinoma (HCC), the primary liver malignancy attributes towards the second foremost cause of cancer related mortality. The targeted chemotherapeutic agent, sorafenib is known to exhibit a statistically significant but limited overall survival advantage in advanced HCC. However, the individual patient response towards sorafenib varies drastically with most of them demonstrating stable disease (SD), few with partial response (PR) and very rare complete response (CR). Progressive disease (PD) despite the treatment has also been demonstrated in many patients indicating drug resistance...
October 20, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29048654/telmisartan-inhibits-hepatocellular-carcinoma-cell-proliferation-in-vitro-by-inducing-cell-cycle-arrest
#17
Kyoko Oura, Tomoko Tadokoro, Shintaro Fujihara, Asahiro Morishita, Taiga Chiyo, Eri Samukawa, Yoshimi Yamana, Koji Fujita, Teppei Sakamoto, Takako Nomura, Hirohito Yoneyama, Hideki Kobara, Hirohito Mori, Hisakazu Iwama, Keiichi Okano, Yasuyuki Suzuki, Tsutomu Masaki
Hepatocellular carcinoma (HCC) is the most common primary malignancy of the liver and the third leading cause of cancer-related death. Telmisartan, a widely used antihypertensive drug, is an angiotensin II type 1 (AT1) receptor blocker (ARB) that might inhibit cancer cell proliferation, but the mechanisms through which telmisartan affects various cancers remain unknown. The aim of the present study was to evaluate the effects of telmisartan on human HCC and to assess the expression of microRNAs (miRNAs). We studied the effects of telmisartan on HCC cells using the HLF, HLE, HepG2, HuH-7 and PLC/PRF/5 cell lines...
September 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29029522/circulating-mirnas-as-novel-diagnostic-biomarkers-in-hepatocellular-carcinoma-detection-a-meta-analysis-based-on-24-articles
#18
Yan Ding, Jia-Lai Yan, An-Ning Fang, Wei-Feng Zhou, Ling Huang
The diagnostic value and suitability of circulating miRNAs for the detection of hepatocellular carcinoma have been inconsistent in the literature. A meta-analysis is used to systematically evaluate the diagnostic value of circulating miRNAs. Eligible studies were selected and the heterogeneity was assessed by subgroup analysis, meta-regression, and publication bias. After strictly and comprehensive screening, the source methods, internal reference and the cut-off values of the included miRNAs were first listed...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029425/mir-346-suppresses-cell-proliferation-through-smyd3-dependent-approach-in-hepatocellular-carcinoma
#19
Weiyou Zhu, Jing Qian, Ling Ma, Pei Ma, Fengming Yang, Yongqian Shu
BACKGROUND & AIMS: The miRNAs are demonstrated to be involved in the carcinogenesis of hepatocellular carcinoma (HCC) and some exhibit potential value for oncotherapy. This study was designed to explore the role of miR-346 in the pathogenesis of hepatocellular carcinoma. METHODS: High throughput screening was employed following with Real time-PCR to investigate the candidate miRNAs. 5-ethynyl-2-deoxyuridine (EdU) assay, CCK-8, transwell assay, cell cycle assay, luciferase reporter assay, western blot and mice xenotransplantation model were performed in the present study...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29027443/-gene-regulatory-network-of-hepatocellular-carcinoma-a-review
#20
Xiangqiong Liu, Baofeng Lian, Yong Lin
Hepatocellular carcinoma (HCC) is one of the common malignant tumors. HCC gene regulatory network (HCC GRN), whose nodes consist of genes, miRNAs or TFs and whose edges consist of interaction relationships of nodes, is one of the important ways to study molecular mechanism of HCC. Based on various experimental data, types of HCC GRNs could be conducted such as TF-miRNA regulatory network. Integrating the studies of HCC GRN, TF-miRNA transcriptional regulatory network performs better in identifying core genes which play important roles in network disturbances...
October 25, 2016: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
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