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https://www.readbyqxmd.com/read/29228420/knockdown-of-long-noncoding-rna-linc-itgb1-suppresses-migration-invasion-of-hepatocellular-carcinoma-via-regulating-zeb1
#1
W-W Yu, K Wang, G-J Liao
OBJECTIVE: This research focuses on the influence of linc-ITGB1 on the metastasis of hepatocellular carcinoma and further explores its underlying mechanism. PATIENTS AND METHODS: A total of 70 hepatocellular carcinoma patients were chosen for our study. RT-qPCR was used for detecting the expression level of linc-ITGB1 in their cancer tissues. Moreover, the expression level of linc-ITGB1 was also detected in hepatocellular carcinoma cell lines. Furthermore, whether linc-ITGB1 could affect the migrated and invaded ability of hepatocellular carcinoma cells was determined by wound healing assay and transwell assay...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228217/p19arf-inhibits-aggressive-progression-of-h-ras-driven-hepatocellular-carcinoma
#2
Dragana Kopanja, Akshay Pandey, Shuo Huang, Mohamed Rizwan Haroon Al Raheed, Grace Guzman, Pradip Raychaudhuri
Arf, a well-established tumor suppressor, is either mutated or downregulated in a wide array of cancers. However, its role in hepatocellular carcinoma (HCC) progression is controversial. Conflicting observations have been published regarding its expression in HCC. In this study, we provide clear genetic evidence demonstrating a protective role of p19Arf in hepatocarcinogenesis. Using Ras-induced mouse model, we show that p19Arf deficiency accelerates progression of aggressive HCC in vivo. To investigate the role of p14ARF in human liver cancers, we analyzed its expression in human HCC using immunohistochemistry...
December 8, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29227538/abberent-expression-of-nor1-protein-in-tumor-associated-macrophages-contributes-to-the-development-of-den-induced-hepatocellular-carcinoma
#3
Shengnan Chen, Pan Zheng, Wei Wang, Mei Yi, Pan Chen, Jing Cai, Junjun Li, Qian Peng, Yuanyuan Ban, Ying Zhou, Zhaoyang Zeng, Xiaoling Li, Wei Xiong, Guiyuan Li, Bo Xiang
Hepatocellular carcinoma (HCC) is the most common primary tumor of the liver and the sixth most common lethal cancer worldwide. Recent evidences demonstrated that oxidored nitro domain containing protein 1(NOR1), a putative tumor suppressor gene, is overexpressed in human HCC tissues. However, the role of NOR1 in HCC development remains unclear. Here, we described that NOR1 protein level is elevated in HCC and is associated with poorer clinical outcome. However, ecotopic overexpression of NOR1 protein in human HCC cell line HepG2 cells had no effect on cells proliferation, migration and clonality...
December 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29227532/lncrna-xist-functions-as-a-molecular-sponge-of-mir-194-5p-to-regulate-mapk1-expression-in-hepatocellular-carcinoma-cell
#4
Qinglei Kong, Shaoquan Zhang, Caiqian Liang, Ying Zhang, Qingcong Kong, Shuxian Chen, Jie Qin, Yi Jin
Increasing evidence highlights the important role of XIST, a long non-coding RNA (lncRNA), in the regulation of multiple cancers. However, the underlying mechanism of XIST in human hepatocellular carcinoma (HCC) still remains to be explored. Herein, intended to investigate the functional role of XIST in HCC initiation and progression. We first detected that XIST was significantly upregulated in HCC tissues and associated with tumor size and vascular invasion. Gain- and loss-of-function of XIST further presented that XIST promoted the progression of HCC cells, including proliferation, migration, and invasion...
December 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29225771/methylation-mediated-gadd45%C3%AE-enhanced-the-chemosensitivity-of-hepatocellular-carcinoma-by-inhibiting-the-stemness-of-liver-cancer-cells
#5
Xiao-Juan Hou, Qiu-Dong Zhao, Ying-Ying Jing, Zhi-Peng Han, Xue Yang, Li-Xin Wei, Yu-Ting Zheng, Feng Xie, Bai-He Zhang
Background: Defects of the growth arrest DNA damage-inducible gene 45β (Gadd45β) play an important role in the progression of tumor and confer resistance to chemotherapy. However, the role of Gadd45β in the apoptosis of hepatocellular carcinoma is still not clear. Purpose of this study was to explore the effect of Gadd45β on the apoptosis of liver cancer cells, and the possible mechanism was examined. Result: In this study, we first confirmed the decreased expression of Gadd45β in human liver cancer tissues and human liver cancer cell lines, when compared to the peri-tumor liver tissue and normal liver cells...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/29225478/the-utility-of-biomarkers-in-hepatocellular-carcinoma-review-of-urine-based-1h-nmr-studies-what-the-clinician-needs-to-know
#6
REVIEW
Caroline R Cartlidge, M R Abellona U, Alzhraa M A Alkhatib, Simon D Taylor-Robinson
Hepatocellular carcinoma (HCC) is the fifth most common malignancy, the third most common cause of cancer death, and the most common primary liver cancer. Overall, there is a need for more reliable biomarkers for HCC, as those currently available lack sensitivity and specificity. For example, the current gold-standard biomarker, serum alpha-fetoprotein, has a sensitivity of roughly only 70%. Cancer cells have different characteristic metabolic signatures in biofluids, compared to healthy cells; therefore, metabolite analysis in blood or urine should lead to the detection of suitable candidates for the detection of HCC...
2017: International Journal of General Medicine
https://www.readbyqxmd.com/read/29225033/mutant-p53-gains-its-function-via-c-myc-activation-upon-cdk4-phosphorylation-at-serine-249-and-consequent-pin1-binding
#7
Peng Liao, Shelya X Zeng, Xiang Zhou, Tianjian Chen, Fen Zhou, Bo Cao, Ji Hoon Jung, Giannino Del Sal, Shiwen Luo, Hua Lu
TP53 missense mutations significantly influence the development and progression of various human cancers via their gain of new functions (GOF) through different mechanisms. Here we report a unique mechanism underlying the GOF of p53-R249S (p53-RS), a p53 mutant frequently detected in human hepatocellular carcinoma (HCC) that is highly related to hepatitis B infection and aflatoxin B1. A CDK inhibitor blocks p53-RS's nuclear translocation in HCC, whereas CDK4 interacts with p53-RS in the G1/S phase of the cells, phosphorylates it, and enhances its nuclear localization...
November 23, 2017: Molecular Cell
https://www.readbyqxmd.com/read/29223570/regulation-and-role-of-nuclear-factor-e2-related-factor2-nrf2-in-multidrug-resistance-of-hepatocellular-carcinoma
#8
REVIEW
Bing Tian, Zhen-Ning Lu, Xiu-Li Guo
Hepatocellular carcinoma (HCC) chemoresistance, which is regarded as a kind of stress management reaction to chemotherapy drugs, severely hinders the therapy outcomes of HCC treatment. Stress management is generally achieved by activating certain signal pathways and chemical factors, among which, nuclear factor-E2-related factor2 (Nrf2) is a key factor in HCC chemoresistance formation. Nrf2 is a nuclear factor that coordinates the induction and expression of a battery of genes encoding cytoprotective proteins when participating in the Nrf2antioxidant response element (Nrf2/ARE) pathway, which is one of the most important intracellular antioxidant stress pathways...
December 6, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29223361/evidence-suggests-sphingosine-1-phosphate-might-be-actively-generated-degraded-and-transported-to-extracellular-spaces-with-increased-s1p2-and-s1p3-expression-in-colon%C3%A2-cancer
#9
Baasanjav Uranbileg, Takeshi Nishikawa, Hitoshi Ikeda, Makoto Kurano, Masaya Sato, Daisuke Saigusa, Junken Aoki, Toshiaki Watanabe, Yutaka Yatomi
BACKGROUND: A pivotal role of sphingosine 1-phosphate (S1P) in cancer has been suggested based on the ceramide-S1P rheostat theory that the intracellular balance between prosurvival S1P and proapoptotic ceramide determines cell fate. Upregulation of S1P-generating sphingosine kinases (SKs) and downregulation of S1P-degrading S1P lyase (SPL) might increase intracellular S1P levels to exert a prosurvival effect in cancer in general, such as colon cancer. However, we recently observed a distinct S1P metabolism in hepatocellular carcinoma tissues that increased SPL mRNA levels with reduced S1P levels...
November 21, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29221196/identification-of-cellular-genes-and-pathways-important-for-tumorigenicity-of-hepatocellular-carcinoma-cell-lines-by-proteomic-profiling
#10
Ali Zamani, Huahao Fan, Guangxiang Luo
Hepatocellular carcinoma (HCC) is the most commonly diagnosed malignancy of the liver. A more thorough understanding of HCC pathogenesis will provide novel targets for development of cancer drugs to effectively treat HCC. To further this goal, we carried out a proteomic profiling of HCC cell lines Huh-7.4 and Huh-7.5. These two cell lines were derived from subgenomic HCV RNA-replicating Huh-7 cells upon clearance of HCV RNA by antiviral drug treatment. Initially, the tumorigenicity of each cell line was determined and compared in parallel in the same immunedeficient mice...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221172/the-prognostic-value-of-inflammation-based-scores-in-advanced-hepatocellular-carcinoma-patients-prior-to-treatment-with-sorafenib
#11
Guillaume Conroy, Julia Salleron, Arthur Belle, Mouni Bensenane, Abdelbasset Nani, Ahmet Ayav, Didier Peiffert, Anthony Lopez, Cédric Baumann, Hélène Barraud, Jean-Pierre Bronowicki
Background and Aims: The multikinase inhibitor sorafenib is the only currently approved drug for the indication of advanced hepatocellular carcinoma (HCC). It provides a limited gain in survival time but is frequently associated with adverse events. We currently lack simple prognostic factors in sorafenib-treated HCC patients. Various inflammation-based scores (IBSs) have been evaluated as predictors of tumor recurrence and survival in various malignancies (including HCC). The objective of the present study was to determine the prognostic value of IBSs for overall survival (OS) in advanced HCC patients prior to the initiation of sorafenib therapy...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221168/diagnosis-prognosis-and-bioinformatics-analysis-of-lncrnas-in-hepatocellular-carcinoma
#12
Meiyu Dai, Siyuan Chen, Xiaomou Wei, Xuan Zhu, Fang Lan, Shengming Dai, Xue Qin
This study aims to comprehensively analyze the diagnosis and prognosis of lncRNAs in hepatocellular carcinoma (HCC). From the Gene Expression Omnibus database, we screened out and analyzed the differently expressed lncRNAs and related mRNAs using bioinformatics methods. The expressions of lncRNAs were validated in tumor tissues, cell lines and the Cancer Genome Atlas database. At the same time, we also conducted an exploratory analysis on the diagnostic and prognostic ability of lncRNAs in HCC. In this study, we found that most of the targeted mRNAs promote the biological process of cell division, cellular component of nucleoplasm, molecular function of protein binding, which were significantly associated with 12 KEGG pathways...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221140/missing-in-metastasis-b-mim-b-combined-with-caveolin-1-promotes-metastasis-of-hepatocellular-carcinoma
#13
Xiu-Yan Huang, Zi-Li Huang, Tao Niu, Zhen-Qian Wu, Bin Xu, Yong-Hua Xu, Xin-Yu Huang, Qi Zheng, Jian Zhou, Zi Chen, Zhao-You Tang
Background: Increasing amounts of evidence indicate that Missing in metastasis B (MIM-B) promotes cancer metastasis. Here, we sought to better understand the mechanism through which MIM-B promotes tumor metastasis in hepatocellular carcinoma (HCC). Methods: We performed confocal microscopy analysis to determine the distributions of MIM-B and caveolin-1 and conducted co-immunoprecipitation assays to detect the interactions between MIM-B and caveolin-1 in vitro. We performed transwell assays to analyze the invasive ability of HCC cells...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220583/elevated-serum-vitamin-b12-levels-as-a-prognostic-factor-for-survival-time-in-metastatic-cancer-patients-a-retrospective-study
#14
Hye Kyung Oh, Jee Young Lee, Wan Kyu Eo, Seong Woo Yoon, Sung Nim Han
BACKGROUND: Serum vitamin B12 levels have been proposed as one of the survival prediction factors, although no survival analysis in metastatic cancer patients has been conducted yet. This study examined whether serum vitamin B12 levels could be a prognostic factor in metastatic cancer patients. METHODS: Data from a retrospective chart review were used to perform Kaplan-Meier and multivariate analyses of the Cox proportional hazards. Subgroup analysis was performed on patients without a liver lesion (hepatocellular carcinoma or liver metastasis)...
December 8, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/29220539/significance-and-mechanism-of-androgen-receptor-ar-overexpression-and-ar-mtor-crosstalk-in-hepatocellular-carcinoma
#15
Hong Zhang, Xiaoxing Li, Yang Yang, Yanjie Zhang, Hui-Yun Wang, X F Steven Zheng
Hepatocellular carcinoma (HCC) is a male-dominant cancer and androgen receptor (AR) has been linked to the pathogenesis of HCC. However, AR expression and its precise role in HCC remain controversial. Moreover, previous anti-androgen and -AR clinical trials in HCC failed to demonstrate clinical benefits. In this study, we found that AR is overexpressed in the nucleus of approximately 37% HCC tumors, which is significantly associated with advanced disease stage and poor survival. AR overexpression in HCC cells markedly alters AR-dependent transcriptome, stimulates oncogenic growth and determines therapeutic response to enzalutamide, a second generation of AR antagonist...
December 8, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29218242/long-noncoding-rna-lncbrm-facilitates-the-proliferation-migration-and-invasion-of-ovarian-cancer-cells-via-upregulation-of-sox4
#16
Jie Xi, Jing Feng, Saitian Zeng
Ovarian cancer (OC) is one of the most fatal gynecological cancer in women worldwide. Long noncoding RNA (lncRNA) lncBRM was found to be associated with the progression and prognosis of hepatocellular carcinoma (HCC). However, the expression level, clinical significance and functions in OC tumorigenesis and progression remain unclear. Our present research demonstrated that lncBRM expression was significantly increased in OC tissues. Upregulation of lncBRM expression was correlated with histological grade, FIGO stages, lymph node metastasis and poor prognosis of patients with OC...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29217762/sirt6-is-a-target-of-regulation-by-ube3a-that-contributes-to-liver-tumorigenesis-in-an-anxa2-dependent-manner
#17
Saishruti Kohli, Abhishek Bhardwaj, Richa Kumari, Sanjeev Das
UBE3A is an E3 ubiquitin ligase well known for its role in the proteasomal degradation of p53 in human papillomavirus (HPV)-associated cancers. Here we report that UBE3A ubiquitylates and triggers degradation of the tumor suppressive sirtuin SIRT6 in hepatocellular carcinoma. UBE3A ubiquitylated the highly conserved Lys160 residue on SIRT6. FOXO1-mediated transcriptional repression of UBE3A was sufficient to stabilize SIRT6 and epigenetically repress ANXA2, a key mediator of UBE3A oncogenic function. Thus, UBE3A-mediated SIRT6 degradation promoted the proliferative capacity, migration potential and invasiveness of cells...
December 7, 2017: Cancer Research
https://www.readbyqxmd.com/read/29216833/non-alcoholic-fatty-liver-disease-as-a-risk-factor-for-cholangiocarcinoma-a-systematic-review-and-meta-analysis
#18
Nicha Wongjarupong, Buravej Assavapongpaiboon, Paweena Susantitaphong, Wisit Cheungpasitporn, Sombat Treeprasertsuk, Rungsun Rerknimitr, Roongruedee Chaiteerakij
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) has been recently identified as a risk factor of gastrointestinal tract cancers, especially hepatocellular carcinoma, and colorectal cancer. Whether NAFLD is a risk factor for cholangiocarcinoma (CCA) remains inconclusive. The aim of this study is to determine a potential association between NAFLD and CCA, stratifying by its subtypes; intrahepatic CCA (iCCA), and extrahepatic CCA (eCCA). METHODS: A search was conducted for relevant studies published up to April 2017 using MEDLINE, EMBASE, Scopus and Cochrane databases...
December 8, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/29214989/long-non-coding-rna-spry4-it1-promotes-development-of-hepatic-cellular-carcinoma-by-interacting-with-err%C3%AE-and-predicts-poor-prognosis
#19
Guifang Yu, Jieheng Lin, Chengcheng Liu, Kailian Hou, Min Liang, Boyun Shi
Hepatocellular carcinoma (HCC) has become one of the most common leading causes of cancer-related deaths worldwide. This study investigates the role of lncRNA, SPRY4-IT1 in the development of HCC. Quantitative real-time PCR (qRT-PCR) was performed and the results showed that SPRY4-IT1 expression was up-regulated in HCC tissues and high expression of SPRY4-IT1 was associated with poor 5-year overall survival in the HCC patient cohort. Clinicopathological analysis showed that the expression of SPRY4-IT1 was significantly correlated with TNM stage in HCC patients...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29214213/therapeutic-potential-of-arsenic-trioxide-ato-in-treatment-of-hepatocellular-carcinoma-role-of-oxidative-stress-in-ato-induced-apoptosis
#20
Erika B Dugo, Clement G Yedjou, Jacqueline J Stevens, Paul B Tchounwou
Hepatocellular carcinoma (HCC), the dominant form of primary liver cancer, is the sixth most common cancer in the world with more than 700,000 people diagnosed annually. Arsenic trioxide (ATO) has been shown to be a potent anticancer agent in various carcinomas, proving particularly effective in the clinical treatment of relapsed and refractory acute promyelocytic leukemia. However, its bioactivity and molecular mechanisms against HCC has not been fully studied. Using human HCC (HepG2) cells as a test model, we studied the effects of ATO and examined the role of oxidative stress (OS) and apoptosis in cytotoxicity...
2017: Annals of Clinical Pathology
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