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hepatocellular carcinoma HCC

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https://www.readbyqxmd.com/read/28432618/the-identification-of-key-genes-and-pathways-in-hepatocellular-carcinoma-by-bioinformatics-analysis-of-high-throughput-data
#1
Chaoyang Zhang, Li Peng, Yaqin Zhang, Zhaoyang Liu, Wenling Li, Shilian Chen, Guancheng Li
Liver cancer is a serious threat to public health and has fairly complicated pathogenesis. Therefore, the identification of key genes and pathways is of much importance for clarifying molecular mechanism of hepatocellular carcinoma (HCC) initiation and progression. HCC-associated gene expression dataset was downloaded from Gene Expression Omnibus database. Statistical software R was used for significance analysis of differentially expressed genes (DEGs) between liver cancer samples and normal samples. Gene Ontology (GO) term enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis, based on R software, were applied for the identification of pathways in which DEGs significantly enriched...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28432125/sequential-adaptive-changes-in-a-c-myc-driven-model-of-hepatocellular-carcinoma
#2
James M Dolezal, Huabo Wang, Sucheta Kulkarni, Laura Jackson, Jie Lu, Sarangarajan Ranganathan, Eric S Goetzman, Sivakama Bharathi, Kevin Beezhold, Craig A Byersdorfer, Edward V Prochownik
Hepatocellular carcinoma (HCC) is a common cancer that frequently over-expresses the c-Myc (Myc) oncoprotein. Using a mouse model of Myc-induced HCC, we studied the metabolic, biochemical and molecular changes accompanying HCC progression, regression and recurrence. These involved altered rates of pyruvate and fatty acid β-oxidation and the likely re-directing of glutamine into biosynthetic rather than energy-generating pathways. Initial tumors also showed reduced mitochondrial mass and differential contributions of electron transport chain Complexes I and II to respiration...
April 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28431572/hepatitis-c-virus-ns4b-protein-induces-epithelial-mesenchymal-transition-by-upregulation-of-snail
#3
Bicheng Hu, Shenggao Xie, Yuqian Hu, Wen Chen, Xiaofan Chen, Yi Zheng, Xinxing Wu
BACKGROUND: Chronic hepatitis C virus (HCV) infection is an important cause of hepatocellular carcinoma (HCC). Epithelial to mesenchymal transition (EMT) is a key process associated with tumor metastasis and poor prognosis. HCV infection, HCV core and NS5A protein could induce EMT process, but the role of NS4B on EMT remains poorly understood. METHODS: We overexpressed HCV NS4B protein in HepG2 cells or Huh7.5.1 cells infected by HCVcc, the E-cadherin expression, N-cadherin expression and the EMT-associated transcriptional factor Snail were determined...
April 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28431405/usp5-functions-as-an-oncogene-for-stimulating-tumorigenesis-in-hepatocellular-carcinoma
#4
Yi Liu, Wei-Mao Wang, Ying-Fei Lu, Lu Feng, Li Li, Ming-Zhu Pan, Yu Sun, Chun-Wai Suen, Wei Guo, Jian-Xin Pang, Jin-Fang Zhang, Wei-Ming Fu
As deubiquitinases, several ubiquitin specific protease members have been reported to mediate tumorigenesis. Although ubiquitin specific protease 5 (Usp5) was previously demonstrated to suppress p53 transcriptional activity and DNA repair, its role in carcinogenesis remains elusive. In this study, we sought to define a novel role of Usp5 in tumorigenesis. It was found that Usp5 was significantly upregulated in hepatocellular carcinoma (HCC) cells and most clinical specimens. Further functional investigation also showed that Usp5 knockdown suppressed cell proliferation, migration, drug resistance and induced apoptosis; on the other hand, Usp5 overexpression promoted colony formation, migration, drug resistance and tumorigenesis...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430663/co-expression-network-analysis-identified-six-hub-genes-in-association-with-metastasis-risk-and-prognosis-in-hepatocellular-carcinoma
#5
Pengfei Chen, Fan Wang, Juerong Feng, Rui Zhou, Ying Chang, Jing Liu, Qiu Zhao
Hepatocellular carcinoma (HCC) has a high incidence and mortality worldwide, and its carcinogenesis and progression are influenced by a complex network of gene interactions. A weighted gene co-expression network was constructed to identify gene modules associated with the clinical traits in HCC (n = 214). Among the 13 modules, high correlation was only found between the red module and metastasis risk (classified by the HCC metastasis gene signature) (R2 = -0.74). Moreover, in the red module, 34 network hub genes for metastasis risk were identified, six of which (ABAT, AGXT, ALDH6A1, CYP4A11, DAO and EHHADH) were also hub nodes in the protein-protein interaction network of the module genes...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430660/screening-differential-circular-rna-expression-profiles-reveals-hsa_circ_0004018-is-associated-with-hepatocellular-carcinoma
#6
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/28430645/midkine-promotes-hepatocellular-carcinoma-metastasis-by-elevating-anoikis-resistance-of-circulating-tumor-cells
#7
Bin Sun, Congli Hu, Zhibin Yang, Xiaofeng Zhang, Linlin Zhao, Junye Xiong, Junyong Ma, Lei Chen, Haihua Qian, Xiangji Luo, Lehua Shi, Jun Li, Xianshuo Cheng, Zhengfeng Yin
Midkine is overexpressed in hepatocellular carcinoma (HCC) and plays a role in tumor progression, but less is known about its role in resistance of circulating tumor cells (CTCs) to anoikis which leading to recurrence and metastasis. The aim of the present study was to analyze whether midkine was associated with HCC progression with anoikis resistance. We found that cultured HCC cells were more resistant to anoikis, which paralleled midkine expression, and midkine treatment significantly inhibited anoikis in a dose-dependent manner...
March 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430638/adjuvant-celecoxib-and-lanreotide-following-transarterial-chemoembolisation-for-unresectable-hepatocellular-carcinoma-a-randomized-pilot-study
#8
Huan Tong, Bo Wei, Shuang Chen, Yong-Mei Xie, Ming-Guang Zhang, Lin-Hao Zhang, Zhi-Yin Huang, Cheng-Wei Tang
Recurrence of hepatocellular carcinoma (HCC) after transarterial chemoembolisation (TACE) is common due to neoangiogenesis. Cyclooxygenase-2 inhibitors and somatostatin analogues were reported to inhibit tumour angiogenesis. The pilot randomized controlled trial was aimed to prospectively evaluate the protocol of TACE combined with celecoxib and lanreotide (TACE+C+L) in patients with unresectable and advanced HCC. A total of 71 patients with HCC were enrolled and randomly assigned to either TACE (n=35) or TACE+C+L (n=36) group...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430634/outcomes-of-microwave-ablation-for-hepatocellular-carcinoma-adjacent-to-large-vessels-a-propensity-score-analysis
#9
Jian-Ping Dou, Jie Yu, Xiao-Huan Yang, Zhi-Gang Cheng, Zhi-Yu Han, Fang-Yi Liu, Xiao-Ling Yu, Ping Liang
The aim of this study was to retrospectively compare the long-term efficacy of MW ablation as a curative therapy for hepatocellular carcinoma(HCC) adjacent to large vessels(≥3 mm) with that in safe location. Between 2010 and 2016, 406 patients diagnosed with early-stage HCC at Chinese PLA general hospital were enrolled. One-to-one matched pairs between the vessel group and the safe group were generated using propensity score matching. The associations of treatment strategy with overall survival and local tumor progression were determined by Cox regression...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430597/systemic-inflammation-response-index-siri-predicts-prognosis-in-hepatocellular-carcinoma-patients
#10
Litao Xu, Shulin Yu, Liping Zhuang, Peng Wang, Yehua Shen, Junhua Lin, Zhiqiang Meng
The systemic inflammation response index (SIRI) is a useful tool for predicting prognosis in some types of cancer. In this retrospective study, we evaluated the efficacy of SIRI in predicting overall survival in hepatocellular carcinoma (HCC) patients following local or systemic therapy. A cutoff value of 1.05 was identified for SIRI using ROC analysis in a training patient cohort. In the validation cohort, survival analysis revealed that median overall survival was longer in HCC patients with SIRI scores < 1...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430373/a-five-mirna-expression-signature-predicts-survival-in-hepatocellular-carcinoma
#11
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/28430371/evaluation-of-circulating-zonulin-as-a-potential-marker-in-the-pathogenesis-of-nonalcoholic-fatty-liver-disease
#12
Olfat M Hendy, Maha M Elsabaawy, Mona M Aref, Fatma M Khalaf, Abdel Moaty A Oda, Helmy M El Shazly
Nonalcoholic fatty liver disease (NAFLD) is a spectrum of liver disorders ranging from simple hepatic steatosis up to nonalcoholic steatohepatitis (NASH) evolving to cirrhosis and hepatocellular carcinoma (HCC). Liver biopsy is still the gold standard modality for diagnosing and staging NAFLD. The linkage between intestinal microbiota and NAFLD, might suggest a potential role of serum zonulin in NAFLD diagnosis. To appraise the role of circulating zonulin in NAFLD pathogenesis, 56 subjects with proved NAFLD by ultrasonography and liver biopsy, as well as 20 healthy controls were tested...
April 21, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28429652/atypical-regulators-of-wnt-%C3%AE-catenin-signaling-as-potential-therapeutic-targets-in-hepatocellular-carcinoma
#13
Jianxiang Chen, Muthukumar Rajasekaran, Kam M Hui
Hepatocellular carcinoma is one of the most common causes of cancer-related death worldwide. Hepatocellular carcinoma development depends on the inhibition and activation of multiple vital pathways, including the Wnt signaling pathway. The Wnt/β-catenin pathway lies at the center of various signaling pathways that regulate embryonic development, tissue homeostasis and cancers. Activation of the Wnt/β-catenin pathway has been observed frequently in hepatocellular carcinoma. However, activating mutations in β-catenin, Axin and Adenomatous Polyposis Coli only contribute to a portion of the Wnt signaling hyper-activation observed in hepatocellular carcinoma...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28429395/shrna-knock-down-of-cxcr7-inhibits-tumour-invasion-and-metastasis-in-hepatocellular-carcinoma-after-transcatheter-arterial-chemoembolization
#14
Zhong-Wei Zhao, Xiao-Xi Fan, Jing-Jing Song, Min Xu, Min-Jiang Chen, Jian-Fei Tu, Fa-Zong Wu, Deng-Ke Zhang, Lu Liu, Li Chen, Xi-Hui Ying, Jian-Song Ji
To investigate the effects of lentiviral vector-mediated shRNA suppressing CXCR7 on tumour invasion and metastasis in hepatocellular carcinoma (HCC) after transcatheter arterial chemoembolization (TACE). HCCLM3 cell lines were cultured and assigned into the CXCR7-shRNA, negative control (NC) and blank groups. The qRT-PCR and Western blotting were applied to detect the mRNA and protein expressions of CXCR7, CXCR4 and MMP-2 in HCCLM3 cells. Cell proliferation and invasion were evaluated by MTT and Transwell assays...
April 21, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28429188/18f-fluorodeoxyglucose-uptake-on-positron-emission-tomography-computed-tomography-is-associated-with-metastasis-and-epithelial-mesenchymal-transition-in-hepatocellular-carcinoma
#15
Misu Lee, Jeong Yong Jeon, Micheal L Neugent, Jung-Whan Kim, Mijin Yun
Hepatocellular carcinoma (HCC) is the fifth leading cause of cancer mortality worldwide. Several studies have investigated the relationship between (18)F-fluorodeoxyglucose ((18)F-FDG) uptake on positron emission tomography and the prognosis of patients with HCC, although the relationship between (18)F-FDG uptake and expression of EMT-related proteins in these patients remains unclear. We retrospectively enrolled 116 patients with HCC treated by curative surgical resection and who underwent (18)F-FDG positron emission tomography/computed tomography (PET/CT) for preoperative staging...
April 20, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28429175/development-of-a-time-resolved-fluorescence-immunoassay-for-the-diagnosis-of-hepatocellular-carcinoma-based-on-the-detection-of-glypican-3
#16
Juan-Juan Chen, Chun-Mei Xie, Cong-Rong Wang, Yong Wan, Zhi-Ning Dong, Ming Li, Wei-Wen Xu
Glypican-3(GPC3), an oncofetal protein, is a potential novel marker for hepatocellular carcinoma (HCC). In this study, we attempted to establish a new method to detect serum GPC3 using the antibodies identified in our previous research, and then evaluated its clinical application for the diagnosis of HCC. Herein, a sandwich time-resolved fluorescence immunoassay (TRFIA) for detecting serum GPC3 was developed. The detection limit, analytical recovery, specificity and precision of the proposed TRFIA assay were satisfactory...
April 20, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28428725/tumor-biopsy-and-patient-enrollment-in-clinical-trials-for-advanced-hepatocellular-carcinoma
#17
Lorenza Rimassa, Maria Reig, Giovanni Abbadessa, Markus Peck-Radosavljevic, William Harris, Vittorina Zagonel, Davide Pastorelli, Elena Rota Caremoli, Camillo Porta, Nevena Damjanov, Hitendra Patel, Bruno Daniele, Maria Lamar, Brian Schwartz, Terri Goldberg, Armando Santoro, Jordi Bruix
Tumor biopsies may help to reliably distinguish hepatocellular carcinoma (HCC) from other tumors, mostly cholangiocarcinoma as well as to identify the patient populations who most benefit from target-driven HCC treatments, in order to improve the success rate of experimental therapies. Clarifying tumor biology may also lead to identify biomarkers with prognostic role and/or enabling to predict response or resistance to therapies. Recently, clinical trials have more efficiently included biomarker endpoints and increasingly collected tumor tissue from enrolled patients...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28428710/cma-down-regulates-p53-expression-through-degradation-of-hmgb1-protein-to-inhibit-irradiation-triggered-apoptosis-in-hepatocellular-carcinoma
#18
Jing-Hua Wu, Jia-Pei Guo, Jun Shi, Hui Wang, Lei-Lei Li, Bin Guo, Dian-Xing Liu, Qing Cao, Zhi-Yong Yuan
AIM: To investigate the mechanism of chaperone-mediated autophagy (CMA)-induced resistance to irradiation-triggered apoptosis through regulation of the p53 protein in hepatocellular carcinoma (HCC). METHODS: Firstly, we detected expression of lysosome-associated membrane protein 2a (Lamp-2a), which is the key protein of CMA, by western blot in HepG2 and SMMC7721 cells after irradiation. We further used shRNA Lamp-2a HCC cells to verify the radioresistance induced by CMA...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28428708/indoleamine-2-3-dioxygenase-as-a-potential-prognostic-marker-and-immunotherapeutic-target-for-hepatocellular-carcinoma
#19
REVIEW
Kashif Asghar, Asim Farooq, Bilal Zulfiqar, Muhammad Usman Rashid
Tumor cells induce an immunosuppressive microenvironment which leads towards tumor immune escape. Understanding the intricacy of immunomodulation by tumor cells is essential for immunotherapy. Indoleamine 2,3-dioxygenase (IDO) is an immunosuppressive enzyme which mediates tumor immune escape in various cancers including hepatocellular carcinoma (HCC). IDO up-regulation in HCC may lead to recruitment of regulatory T-cells into tumor microenvironment and therefore inhibit local immune responses and promote metastasis...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28428655/magnetic-resonance-imaging-of-the-cirrhotic-liver-diagnosis-of-hepatocellular-carcinoma-and-evaluation-of-response-to-treatment-part-2
#20
REVIEW
Miguel Ramalho, António P Matos, Mamdoh AlObaidy, Fernanda Velloni, Ersan Altun, Richard C Semelka
In the second part of this review, we will describe the ancillary imaging features of hepatocellular carcinoma (HCC) that can be seen on standard magnetic resonance imaging (MRI) protocol, and on novel and emerging protocols such as diffusion weighted imaging and utilization of hepatocyte-specific/hepatobiliary contrast agent. We will also describe the morphologic sub-types of HCC, and give a simplified non-invasive diagnostic algorithm for HCC, followed by a brief description of the liver imaging reporting and data system (LI-RADS), and MRI assessment of tumor response following locoregional therapy...
March 2017: Radiologia Brasileira
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