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https://www.readbyqxmd.com/read/28214891/up-regulated-atf4-expression-increases-cell-sensitivity-to-apoptosis-in-response-to-radiation
#1
Ying Zong, Shijie Feng, Jinwei Cheng, Chenlin Yu, Guocai Lu
BACKGROUND/AIMS: Activating transcription factor 4 (ATF4) is a member of the activating transcription factor family which regulates the expression of genes involved in amino acid metabolism, redox homeostasis and ER stress responses. ATF4 is also over-expressed in human solid tumors, although its effect on responsiveness to radiation is largely unexplored. METHODS: Real-time PCR was used to detect ATF4 mRNA levels in cells treated with different doses of 60Coγ radiation...
February 13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214839/t-cell-associated-immunotherapy-for-hepatocellular-carcinoma
#2
Weijie Ma, Long Wu, Fuling Zhou, Zhenfei Hong, Yufeng Yuan, Zhisu Liu
Hepatocellular carcinoma (HCC) is one of the most common malignant diseases worldwide with limited therapeutic options. Accumulating evidences suggest that immunotherapy could be a promising option for treating HCC. T cell-associated immunotherapy lights up the hope for the improvement of complementary approach to conventional HCC treatments, which needs further research to consummate the clinical consequences. The present work reviewed several T cells associated cellular immunotherapies for HCC, including immune checkpoint blockade, gene-engineered T cells, bispecific T cell engagers, and so on...
February 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214827/potential-regulators-driving-the-transition-in-nonalcoholic-fatty-liver-disease-a-stage-based-view
#3
Yi Lou, Yi-Dan Chen, Fu-Rong Sun, Jun-Ping Shi, Yu Song, Jin Yang
BACKGROUND AND AIM: The incidence of nonalcoholic fatty liver disease (NAFLD), ranging from mild steatosis to hepatocellular injury and inflammation, increases with the rise of obesity. However, the implications of transcription factors network in progressive NAFLD remain to be determined. METHODS: A co-regulatory network approach by combining gene expression and transcription influence was utilized to dissect transcriptional regulators in different NAFLD stages...
January 30, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214706/influence-of-oxygen-partial-pressure-on-the-characteristics-of-human-hepatocarcinoma-cells
#4
Jenifer Trepiana, Susana Meijide, Rosaura Navarro, M Luisa Hernández, José Ignacio Ruiz-Sanz, M Begoña Ruiz-Larrea
Most of the in vitro studies using liver cell lines have been performed under atmospheric oxygen partial pressure (21% O2). However, the oxygen concentrations in the liver and cancer cells are far from this value. In the present study, we have evaluated the influence of oxygen on 1) the tumor cell lines features (growth, steady-state ROS levels, GSH content, activities of antioxidant enzymes, p66 Shc and SOD expressions, metalloproteinases secretion, migration, invasion, and adhesion) of human hepatocellular carcinoma cell lines, and b) the response of the cells to an oxidant stimulus (aqueous leaf extract of the V...
February 13, 2017: Redox Biology
https://www.readbyqxmd.com/read/28214686/enhanced-anticancer-effect-of-combretastatin-a-4-phosphate-when-combined-with-vincristine-in-the-treatment-of-hepatocellular-carcinoma
#5
Esam M Aboubakr, Ashraf Taye, Omar M Aly, A M Gamal-Eldeen, Mohamed A El-Moselhy
Tubulin targeting agents have received considerable interest as a potential tumor-selective vascular disrupting agents, which represent another avenue for cancer growing therapeutic opportunities. Hence, the present study was conducted to investigate the anti-tumor activity of Combretastatin A-4 phosphate (CA4-P) and vincristine against hepatocellular carcinoma in rats, by individual administration and in combination. In vitro study was conducted using human hepatocellular carcinoma cell lines, showed that CA4-P and vincristine have a potent cell cytotoxic and tubulin inhibitory effect...
February 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28214411/non-transplant-therapies-for-patients-with-hepatocellular-carcinoma-and-child-pugh-turcotte-class-b-cirrhosis
#6
REVIEW
Alessandro Granito, Luigi Bolondi
Underlying liver cirrhosis is present in most patients with hepatocellular carcinoma, and liver transplantation is the only treatment strategy to cure both diseases. All other hepatocellular carcinoma treatment strategies have to take into account residual liver function that concurs with the patient's prognosis and might limit their feasibility. In patients with hepatocellular carcinoma and Child-Pugh-Turcotte class B (CPT-B), owing to borderline liver function, any intervention might be offset by liver function deterioration...
February 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28214240/bridging-locoregional-therapy-longitudinal-trends-and-outcomes-in-patients-with-hepatocellular-carcinoma
#7
REVIEW
Hayley C Oligane, Orrie N Close, Minzhi Xing, Hyun S Kim
The purpose of this article is to analyze longitudinal trends in locoregional therapy (LRT) use and review locoregional therapy's role in the management of hepatocellular carcinoma prior to orthotropic liver transplantation Porrett et al. (2006) . LRT has a role in both bridge to transplantation and downstaging of patients not initially meeting Milan or UCSF Criteria. Due to the lack of randomized controlled trials, no specific bridging LRT modality is recommended over another for treating patients on the waiting list, however each modality has unique and patient-specific advantages...
February 2, 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28214198/tumor-derived-cd4-cd25-regulatory-t-cells-inhibit-dendritic-cells-function-by-ctla-4
#8
Xin Chen, Yong Du, Qingqing Hu, ZhiMing Huang
PURPOSE: CD4+CD25+regulatoryT cells (Tregs) play an important role in anti-tumor immune responses. Poor prognosis and declining survival rates have intimate connection with high Treg expression in cancer patients. Cytotoxic T Lymphocyte-associated protein (CTLA-4) is one of the most prominent molecules on Treg. In our previous research, we have demonstrated that HCC-derived Tregs can interfere with Dendritic cells (DCs) function and down-modulate CD80/CD86 on DCs in vitro in a cell-contact dependent way...
December 21, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214185/characteristics-of-patients-with-liver-cancer-in-the-biobank-japan-project
#9
Shigekazu Ukawa, Emiko Okada, Koshi Nakamura, Makoto Hirata, Akiko Nagai, Koichi Matsuda, Zentaro Yamagata, Yoichiro Kamatani, Toshiharu Ninomiya, Yutaka Kiyohara, Kaori Muto, Michiaki Kubo, Yusuke Nakamura, Akiko Tamakoshi
BACKGROUND: Liver cancer is the fifth cause of cancer-related deaths in Japan. The BioBank Japan (BBJ) project included 200,000 patients with 47 diseases and samples; their clinical information can be used for further studies. METHODS: Patients diagnosed with liver cancer (n = 1733; 1316 men, 417 women) were included. Histology, patient characteristics, clinical characteristics, and causes of death were collected. Cumulative and relative survival rates for liver cancer were calculated...
February 14, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28213273/2-methoxyestradiol-protects-against-ischemia-reperfusion-injury-in-alcoholic-fatty-liver-by-enhancing-sirtuin-1-mediated-autophagy
#10
Hong-Ik Cho, Min-Jong Seo, Sun-Mee Lee
Alcoholic fatty liver (AFL) is susceptible to ischemia/reperfusion (I/R) injury, responding with inflammation and extensive hepatocellular damage. Autophagy maintains cellular homeostasis and regulates inflammation and lipid metabolism. 2-Methoxyestradiol (2-ME2), an endogenous metabolite of estradiol, exhibits antioxidant and anti-inflammatory properties. This study examined the cytoprotective mechanisms of 2-ME2 on hepatic I/R in AFL, focusing on autophagy signaling. C57BL/6 mice were fed an ethanol diet (ED) to induce AFL, or a control diet (CD) for 6 weeks, and then subjected to 60 min of ischemia and 5 h of reperfusion...
February 14, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28213044/hepatocellular-carcinoma-screening-associated-with-early-tumor-detection-and-improved-survival-among-patients-with-cirrhosis-in-the-united-states
#11
Amit G Singal, Sahil Mittal, Olutola A Yerokun, Chul Ahn, Jorge Marrero, Adam Yopp, Neehar D Parikh, Steve J Scaglione
BACKGROUND: Professional societies recommend hepatocellular carcinoma screening in patients with cirrhosis but high-quality data evaluating its effectiveness to improve early tumor detection and survival in "real world" clinical practice are needed. AIMS: Characterize the association between hepatocellular carcinoma screening and early tumor detection, curative treatment, and overall survival among patients with cirrhosis. METHODS: We performed a retrospective cohort study of patients diagnosed with hepatocellular carcinoma between June 2012 and May 2013 at four health systems in the United States...
February 14, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28212581/the-inhibiting-effect-of-the-transcription-factor-p53-on-dengue-virus-infection-by-activating-the-type-i-interferon
#12
Yan-Ling Hu, Xiao-Shan Li, Shu Xiong, Qiang Ma, Dan Liu, Zhong-Quan Shi, Jing Tang, Xian-Cai Rao, Fu-Quan Hu, Guo-Li Li
To investigate the role of the transcription factor p53 in the course of the dengue virus (DV) infection. The human hepatocellular carcinoma cell strain HepG2 with a low expression level of p53 was built by using the retroviral-mediated RNA interference technology, and was detected by Western blot. The wild group and the interference group were respectively infected by the type 2 DV. The viral titration was detected by the Vero plaque assay, the viral multiplication was detected by the immunofluorescence, the cell apoptosis after virus infection was detected by FCM and the level of IFN-β was analyzed by ELISA...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212554/afb1-hepatocarcinogenesis-is-via-lipid-peroxidation-that-inhibits-dna-repair-sensitizes-mutation-susceptibility-and-induces-aldehyde-dna-adducts-at-p53-mutational-hotspot-codon-249
#13
Mao-Wen Weng, Hyun-Wook Lee, Bongkun Choi, Hsiang-Tsui Wang, Yu Hu, Manju Mehta, Dhimant Desai, Shantu Amin, Yi Zheng, Moon-Shong Tang
Aflatoxin B1 (AFB1) contamination in the food chain is a major cause of hepatocellular carcinoma (HCC). More than 60% of AFB1 related HCC carry p53 codon 249 mutations but the causal mechanism remains unclear. We found that 1) AFB1 induces two types of DNA adducts in human hepatocytes, AFB1-8,9-epoxide-deoxyguanosine (AFB1-E-dG) induced by AFB1-E and cyclic α-methyl-γ-hydroxy-1,N2-propano-dG (meth-OH-PdG) induced by lipid peroxidation generated acetaldehyde (Acet) and crotonaldehyde (Cro); 2) the level of meth-OH-PdG is >30 fold higher than the level of AFB1-E-dG; 3) AFB1, Acet, and Cro, but not AFB1-E, preferentially induce DNA damage at codon 249; 4) methylation at -CpG- sites enhances meth-OH-PdG formation at codon 249; and 5) repair of meth-OH-PdG at codon 249 is poor...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212548/branched-chain-amino-acids-prevent-hepatic-fibrosis-and-development-of-hepatocellular-carcinoma-in-a-non-alcoholic-steatohepatitis-mouse-model
#14
Kai Takegoshi, Masao Honda, Hikari Okada, Riuta Takabatake, Naoto Matsuzawa-Nagata, Jean S Campbell, Masashi Nishikawa, Tetsuro Shimakami, Takayoshi Shirasaki, Yoshio Sakai, Taro Yamashita, Toshinari Takamura, Takuji Tanaka, Shuichi Kaneko
Oral supplementation with branched-chain amino acids (BCAA; leucine, isoleucine, and valine) in patients with liver cirrhosis potentially suppresses the incidence of hepatocellular carcinoma (HCC) and improves event-free survival. However, the detailed mechanisms of BCAA action have not been fully elucidated. BCAA were administered to atherogenic and high-fat (Ath+HF) diet-induced nonalcoholic steatohepatitis (NASH) model mice. Liver histology, tumor incidence, and gene expression profiles were evaluated. Ath+HF diet mice developed hepatic tumors at a high frequency at 68 weeks...
February 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212535/integration-of-the-cancer-related-inflammatory-response-as-a-stratifying-biomarker-of-survival-in-hepatocellular-carcinoma-treated-with-sorafenib
#15
Jessica Howell, David J Pinato, Ramya Ramaswami, Tadaaki Arizumi, Carlotta Ferrari, Antonello Gibbin, Michela E Burlone, Giulia Guaschino, Pierluigi Toniutto, James Black, Laura Sellers, Masatoshi Kudo, Mario Pirisi, Rohini Sharma
BACKGROUND AND AIMS: Response to sorafenib is highly variable in hepatocellular carcinoma (HCC). Baseline inflammatory parameters and treatment toxicities may improve survival prediction in patients on sorafenib therapy. RESULTS: 442 patients with advanced stage HCC on sorafenib were recruited (follow-up 5096 person-months at risk). 88% had BCLC stage B or greater HCC and 72.3% had Child-Pugh A cirrhosis. On Cox multivariate regression, previously-treated HCC (HR 0...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212361/liver-transplant-and-hepatocellular-carcinoma
#16
Robert Wong
No abstract text is available yet for this article.
December 2016: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/28212112/cancer-as-robust-intrinsic-state-shaped-by-evolution-a-key-issues-review
#17
Ruoshi Yuan, Xiaomei Zhu, Gaowei Wang, Site Li, Ping Ao
Cancer is a complex disease: its pathology cannot be properly understood in terms of independent players-genes, proteins, molecular pathways, or their simple combinations. This is similar to many-body physics of a condensed phase that many important properties are not determined by a single atom or molecule. The rapidly accumulating large 'omics' data also require a new mechanistic and global underpinning to organize for rationalizing cancer complexity. A unifying and quantitative theory was proposed by some of the present authors that cancer is a robust state formed by the endogenous molecular-cellular network, which is evolutionarily built for the developmental processes and physiological functions...
February 17, 2017: Reports on Progress in Physics
https://www.readbyqxmd.com/read/28211921/metronomic-capecitabine-versus-best-supportive-care-as-second-line-treatment-in-hepatocellular-carcinoma-a-retrospective-study
#18
Andrea Casadei Gardini, Flavia Foca, Mario Scartozzi, Nicola Silvestris, Emiliano Tamburini, Luca Faloppi, Oronzo Brunetti, Britt Rudnas, Salvatore Pisconti, Martina Valgiusti, Giorgia Marisi, Francesco Giuseppe Foschi, Giorgio Ercolani, Davide Tassinari, Stefano Cascinu, Giovanni Luca Frassineti
Preliminary studies suggest that capecitabine may be safe and effective in HCC patients. The aim of this study was to retrospectively evaluate the safety and efficacy of metronomic capecitabine as second-line treatment. This multicentric study retrospectively analyzed data of HCC patients unresponsive or intolerant to sorafenib treatment with metronomic capecitabine or best supportive care (BSC).Median progression free survival was 3.1 months in patients treated with capecitabine (95%CI: 2.7-3.5). Median overall survival was 12...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211805/diagnostic-accuracy-and-interobserver-variability-of-dynamic-vascular-pattern-dvp-in-primary-liver-malignancies-a-simple-semiquantitative-tool-for-the-analysis-of-contrast-enhancement-patterns
#19
B Schellhaas, M J Waldner, R S GÖrtz, F Vitali, Ch Kielisch, L Pfeifer, D Strobel, R Janka, M F Neurath, D Wildner
BACKGROUND: Contrast-enhanced ultrasound (CEUS) is a valuable tool in the diagnostic approach of focal liver lesions, but occasionally subjective and observer-dependent. Semiquantitative evaluation of dynamic CEUS (DCEUS) with standardised software programmes such as Dynamic Vascular Pattern (DVP) could help to improve diagnostic accuracy and objectivity in liver tumour assessment. OBJECTIVES: The present study aimed at evaluation of diagnostic accuracy of DVP in a clinical setting...
February 17, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28211259/liver-transplantation-from-a-deceased-donor-with-%C3%AE-thalassemia-intermedia-is-not-contraindicated-a-case-report
#20
Ersin Gumus, Osman Abbasoglu, Cahit Tanyel, Fatma Gumruk, Hasan Ozen, Aysel Yuce
The use of extended criteria donors who might have previously been deemed unsuitable is an option to increase the organ supply for transplantation. This report presents a pediatric case of a successful liver transplantation from a donor with β-thalassemia intermedia. A patient, 6-year-old female, with a diagnosis of cryptogenic liver cirrhosis underwent deceased donor liver transplantation from a thalassemic donor. Extreme hyperferritinemia was detected shortly after transplantation. The most probable cause of hyperferritinemia was iron overload secondary to transplantation of a hemosiderotic liver...
February 17, 2017: Pediatric Transplantation
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