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https://www.readbyqxmd.com/read/28722597/occult-amoebic-liver-abscess-as-cause-of-extensive-inferior-vena-cava-and-hepatic-vein-thrombosis
#1
Leslie Martin, Nishigandha Burute, Ehsan Haider, Pablo E Serrano, Timothy O'Shea, Deborah Siegal
The most common extraintestinal complication of Entamoeba histolytica is amoebic liver abscess (ALA). Hepatic vein and inferior vena cava (IVC) thrombosis are rare but well-documented complications of ALA, typically attributed to mechanical compression and inflammation associated with a large abscess. We present a case of a previously healthy 43-year-old Canadian man presenting with constitutional symptoms and right upper quadrant abdominal pain. He was found to have thrombophlebitis of the IVC, accessory right hepatic vein, and bilateral iliac veins...
July 3, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28718980/an-endogenous-dna-adduct-as-a-prognostic-biomarker-for-hepatocarcinogenesis-and-its-prevention-by-theaphenon-e-in-mice
#2
Ying Fu, Shana Silverstein, Justine N McCutcheon, Marcin Dyba, Raghu G Nath, Monika Aggarwal, Heidi Coia, Angela Bai, Jishen Pan, Jiji Jiang, Bhaskar Kallakury, Hongkun Wang, Yu-Wen Zhang, Giuseppe Giaccone, Aiwu Ruth He, Fung-Lung Chung
Hepatocellular carcinoma (HCC) is the third leading cause of cancer-related deaths worldwide, mainly because of its poor prognosis. A valid mechanism-based prognostic biomarker is urgently needed. γ-hydroxy-1,N(2) -propanodeoxyguanosine (γ-OHPdG) is an endogenously formed mutagenic DNA adduct derived from lipid peroxidation (LPO). We examined the relationship of γ-OHPdG with hepatocarcinogenesis in two animal models and its potential role as a prognostic biomarker for recurrence in HCC patients. Bioassays were conducted in the Xeroderma pigmentosum group A knockout mice (Xpa(-/-) ), and the diethylnitrosamine (DEN)-injected mice, both prone to HCC development...
July 18, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28717878/the-isolation-of-primary-hepatocytes-from-human-tissue-optimising-the-use-of-small-non-encapsulated-liver-resection-surplus
#3
Charlotte J Green, Catriona A Charlton, Lai-Mun Wang, Michael Silva, Karl J Morten, Leanne Hodson
Two-step perfusion is considered the gold standard method for isolating hepatocytes from human liver tissue. As perfusion may require a large tissue specimen, which is encapsulated and has accessible vessels for cannulation, only a limited number of tissue samples may be suitable. Therefore, the aim of this work was to develop an alternative method to isolate hepatocytes from non-encapsulated and small samples of human liver tissue. Healthy tissue from 44 human liver resections were graded for steatosis and tissue weights between 7...
July 17, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28714949/aspartate-%C3%AE-hydroxylase-disrupts-mitochondrial-dna-stability-and-function-in-hepatocellular-carcinoma
#4
C Tang, Y Hou, H Wang, K Wang, H Xiang, X Wan, Y Xia, J Li, W Wei, S Xu, Z Lei, T M Pawlik, H Wang, M Wu, F Shen
The mechanism of aberrant mitochondrial genome and function in hepatocellular carcinoma (HCC) remains largely unknown. Our previous study demonstrated an increased expression of aspartate β-hydroxylase (ASPH) in HCC tissues, which was associated with tumor invasiveness and a worse prognosis. Currently, we unexpectedly observed the presence of ASPH in purified mitochondrial protein fraction. In addition, immunostaining of both exogenously and endogenously expressed ASPH showed a colocalization with mitochondrial biomarkers...
July 17, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28713155/hypoxia-induces-universal-but-differential-drug-resistance-and-impairs-anticancer-mechanisms-of-5-fluorouracil-in-hepatoma-cells
#5
Jing-Qiu Li, Xian Wu, Lu Gan, Xiang-Liang Yang, Ze-Hong Miao
Hepatocellular carcinoma (HCC) is one of the most refractory cancers. The mechanisms by which hypoxia further aggravates therapeutic responses of advanced HCC to anticancer drugs remain to be clarified. Here, we report that hypoxia (1% O2) caused 2.55-489.7-fold resistance to 6 anticancer drugs (sorafenib, 5-fluorouracil [5-FU], gemcitabine, cisplatin, adriamycin and 6-thioguanine) in 3 HCC cell lines (BEL-7402, HepG2 and SMMC-7721). Among the 6 drugs, sorafenib, the sole one approved for HCC therapy, inhibited proliferation with little influence from hypoxia and displayed the smallest variation among the 3 HCC cell lines tested...
July 17, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28711626/influence-of-metabolic-risk-factors-on-risk-of-hepatocellular-carcinoma-and-liver-related-death-in-men-with-chronic-hepatitis-b-a-large-cohort-study
#6
Ming-Whei Yu, Chih-Lin Lin, Chun-Jen Liu, Shu-Han Yang, Yu-Lin Tseng, Chih-Feng Wu
BACKGROUND & AIMS: Little is known about the absolute risk of hepatocellular carcinoma (HCC) and liver-disease related death, in association with metabolic risk factors, for patients with hepatitis B virus (HBV) infection. METHODS: We collected data from 5373 male Taiwanese civil servants who visited Taiwan's Government Employees' Central Clinics and received routine free physical examinations from 1989 through 1992. We obtained information on liver-related morbidity and mortality in HBV carriers, 40-65 years old (n=1690), with different metabolic risk factors...
July 12, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28710406/comprehensive-circular-rna-profiling-reveals-the-regulatory-role-of-the-circrna-100338-mir-141-3p-pathway-in-hepatitis-b-related-hepatocellular-carcinoma
#7
Xiu-Yan Huang, Zi-Li Huang, Yong-Hua Xu, Qi Zheng, Zi Chen, Wei Song, Jian Zhou, Zhao-You Tang, Xin-Yu Huang
Circular RNAs (circRNAs) represent a class of endogenous noncoding RNAs that have recently been recognized as important regulators of gene expression and pathological networks. However, their transcriptional activities and functional mechanisms in cancer remain largely unknown. Here, we present results from a global circRNA expression and functional analysis of patients with hepatocellular carcinoma (HCC). Using a circRNA microarray, we identified 226 differentially expressed circRNAs, of which 189 were significantly upregulated and 37 were downregulated...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28708582/tumor-specific-hepatic-stellate-cells-thscs-induces-digr2-expression-in-dendritic-cells-to-inhibit-t-cells
#8
Yun-Hong Xia, Zhen Lu, Min Zhao, Wen-Ting Dai, Lu Ding, Li-Xia Hu, Guo-Lin Jiang
Tumor-specific hepatic stellate cells (tHSCs) contributes to tumorigenesis and progression of hepatocellular carcinoma (HCC). The potential function of tHSCs on dendritic cells (DCs) was studied here. We discovered that tHSCs co-culture induced upregulation of DIgR2 (dendritic cell-derived immunoglobulin receptor 2) in bone marrow-derived DCs (mDCs). Activation of MEK-ERK is required for DIgR2 expression in mDCs. MEK-ERK inhibitors or shRNA-mediated silence of MEK1/2 in mDCs inhibited tHSCs-induced DIgR2 expression...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28707600/a-new-potent-ns5a-inhibitor-in-the-management-of-hepatitis-c-virus-ravidasvir
#9
Enas Hafez, Tamer Elbaz, Mohamed El Kassas, Gamal Esmat
Background: Chronic hepatitis C virus (HCV) is a worldwide health problem that can lead to liver cirrhosis, liver cell failure and numerous subsequent complications such as hepatocellular carcinoma. Till the near past, pegylated interferon was the standard of care therapy. However, it was associated with suboptimal success rates and many side effects. Thereafter, direct antiviral agents (DAA) appeared and played the key role in management of HCV. One of those recent DAA is ravidasvir. Summary: It is a potent NS5A inhibitor that was formerly known as PPI-668...
July 13, 2017: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/28701219/excellent-local-control-and-tolerance-profile-after-stereotactic-body-radiotherapy-of-advanced-hepatocellular-carcinoma
#10
Eleni Gkika, Michael Schultheiss, Dominik Bettinger, Lars Maruschke, Hannes Philipp Neeff, Michaela Schulenburg, Sonja Adebahr, Simon Kirste, Ursula Nestle, Robert Thimme, Anca-Ligia Grosu, Thomas Baptist Brunner
BACKGROUND: To evaluate the efficacy and toxicity of stereotactic body radiotherapy (SBRT) in the treatment of advanced hepatocellular carcinoma (HCC). MATERIAL AND METHODS: Patients with large HCCs (median diameter 7 cm, IQR 5-10 cm) with a Child-Turcotte-Pugh (CTP) score A (60%) or B (40%) and Barcelona-Clinic Liver Cancer (BCLC) classification stage B or C were treated with 3 to 12 fractions to allow personalized treatment according to the size of the lesions and the proximity of the lesions to the organs at risk aiming to give high biologically equivalent doses assuming an α/β ratio of 10 Gy for HCC...
July 12, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28697339/oncogenic-activation-of-the-rna-binding-protein-nelfe-and-myc-signaling-in-hepatocellular-carcinoma
#11
Hien Dang, Atsushi Takai, Marshonna Forgues, Yotsowat Pomyen, Haiwei Mou, Wen Xue, Debashish Ray, Kevin C H Ha, Quaid D Morris, Timothy R Hughes, Xin Wei Wang
Global transcriptomic imbalance is a ubiquitous feature associated with cancer, including hepatocellular carcinoma (HCC). Analyses of 1,225 clinical HCC samples revealed that a large numbers of RNA binding proteins (RBPs) are dysregulated and that RBP dysregulation is associated with poor prognosis. We further identified that oncogenic activation of a top candidate RBP, negative elongation factor E (NELFE), via somatic copy-number alterations enhanced MYC signaling and promoted HCC progression. Interestingly, NELFE induces a unique tumor transcriptome by selectively regulating MYC-associated genes...
July 10, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28694331/transcriptional-elongation-control-of-the-hbv-cccdna-transcription-by-super-elongation-complex-sec-and-brd4
#12
Joel Celio Francisco, Qian Dai, Zhuojuan Luo, Yan Wang, Roxanne Hui-Heng Chong, Yee Joo Tan, Wei Xie, Guan-Huei Lee, Chengqi Lin
Chronic hepatitis B virus (HBV) infection can lead to liver cirrhosis and hepatocellular carcinoma. HBV reactivation during or after chemotherapy is a potentially fatal complication for cancer patients with chronic HBV infection. Transcription of HBV is a critical intermediate step of HBV life cycle. However, factors controlling the HBV transcription remain largely unknown. Here, we found that different P-TEFb complexes are involved in the transcription of the HBV viral genome. Both BRD4 and the Super Elongation Complex (SEC) bind to the HBV genome...
July 10, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28694105/cep131-indicates-poor-prognosis-and-promotes-cell-proliferation-and-migration-in-hepatocellular-carcinoma
#13
Xu-Hui Liu, Yu-Feng Yang, Heng-Ying Fang, Xue-Hua Wang, Mei-Fang Zhang, Dan-Chun Wu
Centrosomal proteins have been implicated in the progression of human diseases. CEP131 plays important roles in centrosome duplication and genome stability, but its role in cancers remains largely unknown. Here, we showed that CEP131 expression was increased in hepatocellular carcinoma (HCC), compared to the paracarcinoma tissues, at both mRNA and protein levels. High CEP131 expression was closely associated with tumor size (P=0.020), tumor capsule (P=0.043), TNM stage (P=0.007) and tumor differentiation (P=0...
July 8, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28693505/effects-of-radiofrequency-ablation-versus-other-ablating-techniques-on-hepatocellular-carcinomas-a-systematic-review-and-meta-analysis
#14
Wen Luo, Yunfei Zhang, Guangbin He, Ming Yu, Minjuan Zheng, Liwen Liu, Xiaodong Zhou
BACKGROUND: Percutaneous ablation has quickly arisen as one of the important alternative treatments for hepatocellular carcinoma (HCC). We aimed to compare the therapeutic effects of radiofrequency ablation (RFA) and other ablative techniques on HCCs. METHODS: Databases were searched to identify literature on complete tumor ablation (CTA), overall survival (OS), local tumor recurrence (LTR), and complications of RFA in the treatment of HCC, compared with those of microwave ablation (MWA), percutaneous ethanol injection (PEI), PEI plus RFA, cryoablation (CRA), laser ablation (LSA), and high-intensity focused ultrasound...
July 10, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28692261/high-antioxidant-action-and-prebiotic-activity-of-hydrolyzed-spent-coffee-grounds-hscg-in-a-simulated-digestion-fermentation-model-toward-the-development-of-a-novel-food-supplement
#15
Lucia Panzella, Sergio Pérez-Burillo, Silvia Pastoriza, María Angeles Martín, Pierfrancesco Cerruti, Luis Goya, Sonia Ramos, José A Rufián-Henares, Alessandra Napolitano, Marco d'Ischia
Spent coffee grounds are a by-product with a large production all over the world. The aim of this study was to explore the effects of a simulated digestion-fermentation treatment on hydrolyzed spent coffee grounds (HSCG) and to investigate the antioxidant properties of the digestion and fermentation products in human hepatocellular carcinoma HepG2 cell line. The potentially bioaccessible (soluble) fractions exhibited high chemoprotective activity in HepG2 cells against oxidative stress. Structural analysis of both the indigestible (insoluble) and soluble material revealed partial hydrolysis and release of the lignin components in the potentially bioaccessible fraction following simulated digestion-fermentation...
July 10, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28683459/natural-history-of-t1n0m0-hepatocellular-carcinoma-large-scale-study-in-the-united-states
#16
Humaid O Al-Shamsi, Reham Abdel-Wahab, Manal M Hassan, Ahmed S Shalaby, Ibrahim Dahbour, Sahin Lacin, Armeen Mahvash, Bruno C Odisio, Ravi Murthy, Rony Avritscher, Mohamed E Abdelsalam, Asif Rashid, Jean-Nicolas Vauthey, Thomas A Aloia, Claudius Conrad, Yun Shin Chun, Sunil Krishnan, Prajnan Das, Eugene J Koay, Hesham M Amin, James C Yao, Ahmed O Kaseb
BACKGROUND: Hepatocellular carcinoma (HCC) prognosis depends on clinicopathological features in addition to the treatment provided. We aimed to assess the natural history of TNM stage I HCC tumors which received different treatment over a period of 20 years. METHODS: Between 1992 and 2011, a total of 397 stage I HCC patients were included. Detailed information was retrieved from MD Anderson Cancer Center patients' medical records. The Kaplan-Meier method was used to calculate patients' overall survival (OS)...
July 6, 2017: Oncology
https://www.readbyqxmd.com/read/28681213/hepatoid-adenocarcinoma-of-unknown-primary-masquerading-as-a-pancreatic-tumor
#17
Epameinondas Dogeas, Lan Peng, Michael A Choti
Hepatoid adenocarcinoma is a rare type of extrahepatic cancer characterized by hepatocellular carcinoma-like histology. We present a case of a large solitary mass in the peripancreatic region found to be an isolated lymph node metastasis from an unknown primary hepatoid adenocarcinoma masquerading as an acinar carcinoma of the pancreas.
July 5, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28676024/nafld-nash-an-under-recognized-epidemic
#18
Joseph Jennings, Charles Faselis, Michael D Yao
First described in 1980, nonalcoholic fatty liver disease (NAFLD) has become more common although the exact incidence and prevalence is unknown. While the exact prevalence varies from region to region, the overall trend shows an increased number of patients with NAFLD. Risk factors for the development of NAFLD includes advanced age, male gender, obesity, and having elements of the metabolic syndrome. There is also an association between the presence of NAFLD and coronary atherosclerosis. Persons of Hispanic descent tend to have higher rates of NAFLD when compared with other populations...
June 20, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28676020/current-and-potential-future-pharmacological-approaches-for-non-alcoholic-fatty-liver-disease
#19
Konstantinos Imprialos, Konstantinos Stavropoulos, Sofia Bouloukou, Georgios Kerpiniotis, Asterios Karagiannis, Michael Doumas
BACKGOUND: Non-alcoholic fatty liver disease (NAFLD) affects a large proportion of the general population. The disease ranges from simple steatosis, to non-alcoholic steatohepatitis (NASH), cirrhosis and even hepatocellular carcinoma. Several drugs are used in daily clinical practice to manage the disease. However, data on their efficacy in liver histology are not consistent. AIM: We discuss current treatment options for NAFLD and NASH and preliminary results from novel drugs under investigation...
June 20, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28670383/mir-155-up-regulated-by-tgf-%C3%AE-promotes-epithelial-mesenchymal-transition-invasion-and-metastasis-of-human-hepatocellular-carcinoma-cells-in-vitro
#20
Da-Peng Li, Juan Fan, Yong-Jun Wu, Yu-Feng Xie, Juan-Min Zha, Xiu-Min Zhou
It has previously been reported that microRNA (miR)-155 is linked to the recurrence and prognosis of hepatocellular carcinoma (HCC) following liver transplantation. However, the role of miR-155 in the invasion and metastasis of HCC cells remains largely unclear. The aim of this study was to investigate the expression of miR-155 in HCC cells and its role in the invasion and migration of HCC cells in vitro. We found that the level of expression of miR-155 in HCC tissues and cells was significantly increased compared with non-tumorous adjacent tissues...
2017: American Journal of Translational Research
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