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https://www.readbyqxmd.com/read/27911488/hepatocellular-carcinoma-as-an-emerging-morbidity-in-the-thalassemia-syndromes-a-comprehensive-review
#1
REVIEW
Hassan M Moukhadder, Racha Halawi, Maria Domenica Cappellini, Ali T Taher
The incidence of hepatocellular carcinoma (HCC) in patients with thalassemia is on the rise. The 2 well recognized HCC risk factors in thalassemia are iron overload and chronic viral infection with hepatitis C. The carcinogenicity of iron is related to its induction of oxidative damage, which results in genotoxicity, and to immunologic dysregulation, which attenuates cancer immune surveillance. Chronic hepatitis B and C infections lead to necroinflammation, which can prompt progression to HCC, but an independent role of hepatitis B virus in hepatic carcinogenesis among patients with thalassemia has not been demonstrated...
December 1, 2016: Cancer
https://www.readbyqxmd.com/read/27911270/saha-and-or-mg132-reverse-the-aggressive-phenotypes-of-glioma-cells-an-in-vitro-and-vivo-study
#2
Xue-Feng Yang, Zhi-Juan Zhao, Jia-Jie Liu, Xiang-Hong Yang, Yang Gao, Shuang Zhao, Shuai Shi, Ke-Qiang Huang, Hua-Chuan Zheng
To elucidate the anti-tumor effects and molecular mechanisms of SAHA (a histone deacetylase inhibitor) and MG132 (a proteasome inhibitor) on the aggressive phenotypes of glioma cells, we treated U87 and U251 cells with SAHA or/and MG132, and detected phenotypes' assays with phenotype-related molecules examined. It was found that SAHA or/and MG132 treatment suppressed proliferation in both concentration- and time-dependent manners, inhibited energy metabolism, migration, invasion and lamellipodia formation, and induced G2 arrest and apoptosis in the glioma cells...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911087/%C3%AE-amyrin-attenuates-high-fructose-diet-induced-metabolic-syndrome-in-rats
#3
Pankaj Prabhakar, K H Reeta, Subir Kumar Maulik, Amit Kumar Dinda, Yogendra Kumar Gupta
This study investigated the effect of α-amyrin (a pentacyclic triterpene) on high-fructose diet (HFD)-induced metabolic syndrome in rats. Male Wistar rats were randomly distributed into different groups. The control group was fed normal rat chow diet. The HFD group was fed HFD (60%; w/w) for 42 days. Pioglitazone (10 mg/kg, orally, once daily) was used as a standard drug. α-Amyrin was administered in 3 doses (50, 100, and 200 mg/kg, orally, once daily along with HFD). Plasma glucose, total cholesterol, triglycerides, and high-density lipoprotein cholesterol (HDL-C) were estimated...
September 2, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/27911082/necrotizing-and-haemorrhagic-hepatitis-and-enteritis-in-commercial-layer-pullets
#4
Yuko Sato, William L Wigle, Tsang Long Lin, Eric Gingerich, Patricia S Wakenell
This case report describes an episode of recurring severe necrotizing and haemorrhagic hepatitis and enteritis experienced in a flock of commercial layer pullets at 12 weeks of age and again at 18 weeks of age in Indiana. Pullets had been vaccinated at 10 weeks old using a trivalent Salmonella Enteritidis (SE)/Newcastle disease/infectious bronchitis oil-emulsion-inactivated vaccine. The pullets were found dead at 12 weeks with firm but friable, enlarged, haemorrhagic livers, enlarged spleens, and necrohaemorrhagic intestines...
December 2, 2016: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/27911067/-vascular-interventional-radiology-a-fundamental-procedure-for-the-management-of-paediatric-trauma
#5
E Bordón Cabrera, A Laín, R Gander, M Pérez Lafuente, I Díez Miranda, C G Fontecha, L Seidler, I Delgado, S Cañadas Palazón, J Lloret
INTRODUCTION: The management of active bleeding with haemodinamic lability in the paediatric trauma patient is difficult and generally leads to damage control surgery. Vascular Interventional Radiology (VIR) techniques are useful for the diagnosis as for the definitive treatment. AIM: The aim of our study was to describe our experience and evaluate effectiveness of VIR in the management of the paediatric trauma patient with active bleeding signs. METHODS: Retrospective analysis (2003-2014) of politraumatic patients who showed contrast blush on computed tomography and then treated by VIR techniques...
January 25, 2016: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/27911040/retrospective-study-evaluating-seroprevalence-of-hepatitis-e-virus-in-blood-donors-and-in-swine-veterinarians-in-italy-2004
#6
L De Sabato, I Di Bartolo, E Montomoli, C Trombetta, F M Ruggeri, F Ostanello
Hepatitis E is an emerging viral disease in developed countries, with sporadic cases occasionally linked to the consumption of raw or undercooked pork, wild boar or deer meat. Cases due to transfusion or transplantation have also been reported. In developed countries, hepatitis E is considered a zoonosis and pig is the main reservoir. In the last few years, several studies conducted in Europe reported variable seroprevalence rates among the general population, ranging between 0.26% and 52.5%. A higher seroprevalence was described among workers who come in contact with pigs...
December 2, 2016: Zoonoses and Public Health
https://www.readbyqxmd.com/read/27910972/a-liver-microphysiological-system-of-tumor-cell-dormancy-and-inflammatory-responsiveness-is-affected-by-scaffold-properties
#7
A M Clark, S E Wheeler, C L Young, L Stockdale, J Shepard Neiman, W Zhao, D B Stolz, R Venkataramanan, D Lauffenburger, L Griffith, A Wells
Distant metastasis is the major cause of breast cancer-related mortality, commonly emerging clinically after 5 or more years of seeming 'cure' of the primary tumor, indicating a quiescent dormancy. The lack of relevant accessible model systems for metastasis that recreate this latent stage has hindered our understanding of the molecular basis and the development of therapies against these lethal outgrowths. We previously reported on the development of an all-human 3D ex vivo hepatic microphysiological system that reproduces several features of liver physiology and enables spontaneous dormancy in a subpopulation of breast cancer cells...
December 2, 2016: Lab on a Chip
https://www.readbyqxmd.com/read/27910927/novel-chemoimmunotherapeutic-strategy-for-hepatocellular-carcinoma-based-on-a-genome-wide-association-study
#8
Kaku Goto, Dorcas A Annan, Tomoko Morita, Wenwen Li, Ryosuke Muroyama, Yasuo Matsubara, Sayaka Ito, Ryo Nakagawa, Yasushi Tanoue, Masahisa Jinushi, Naoya Kato
Pharmacotherapeutic options are limited for hepatocellular carcinoma (HCC). Recently, we identified the anti-tumor ligand MHC class I polypeptide-related sequence A (MICA) gene as a susceptibility gene for hepatitis C virus-induced HCC in a genome-wide association study (GWAS). To prove the concept of HCC immunotherapy based on the results of a GWAS, in the present study, we searched for drugs that could restore MICA expression. A screen of the FDA-approved drug library identified the anti-cancer agent vorinostat as the strongest hit, suggesting histone deacetylase inhibitors (HDACis) as potent candidates...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910813/transarterial-embolization-with-bleomycin-for-symptomatic-hepatic-focal-nodular-hyperplasia
#9
Guodong Zhang, Maoqiang Wang, Feng Duan, Kai Yuan, Kai Li, Jieyu Yan, Zhongfei Chang
PURPOSE: We aimed to evaluate the therapeutic effect and safety of transarterial embolization using bleomycin-iodinated oil and polyvinyl alcohol particles for the treatment of symptomatic hepatic focal nodular hyperplasia (FNH). METHODS: This retrospective study included 23 consecutive patients with symptomatic hepatic FNH, who underwent embolization using bleomycin-iodinated oil and polyvinyl alcohol particles between January 2005 and December 2012. Patients were followed-up with radiologic and clinical evaluation...
December 2, 2016: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/27910780/naringenin-ameliorates-doxorubicin-toxicity-and-hypoxic-condition-in-dalton-s-lymphoma-ascites-tumor-mouse-model-evidence-from-electron-paramagnetic-resonance-imaging
#10
Venkatesan Kathiresan, Swathika Subburaman, Arun Venkatesh Krishna, Mathivanan Natarajan, Gandhidasan Rathinasamy, Kumaresan Ganesan, Murugesan Ramachandran
Doxorubicin (DOX) is a well-known cytotoxic agent used extensively as a chemotherapeutic drug to eradicate a wide variety of human cancers. Reactive oxygen species (ROS)-mediated oxidative stress during DOX treatment can induce cardiac, renal, and hepatic toxicities, which can constrain its use as a potential cytotoxic agent. The present work investigates the antioxidant potential of naringenin (NAR) against DOXinduced toxicities of a Dalton's lymphoma ascites (DLA) tumor-bearing mouse model. Mice were randomized into four groups: a negative control, positive control, DOX (2...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27910749/role-of-toll-like-receptors-in-hepatitis-c-virus-pathogenesis-and-treatment
#11
Usman Ali Ashfaq, Muhammad Sarfaraz Iqbal, Saba Khaliq
Viral infections are rising every day, and viruses appear to be the most dangerous pathogens in the world. Hepatitis C virus (HCV) is accepted as one of the major destructive factors of promoting severe hepatic disorders by infecting more than 180 million individuals throughout the world. Chronic infection caused by HCV poses a serious global health emergency and appears to be a powerful threat to humanity. Almost 20 years have passed since the disclosure of HCV, but even now, treatment preferences remain limited...
2016: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/27910744/peroxisome-proliferator-activated-receptor-alpha-ppar%C3%AE-a-key-regulator-of-lipid-metabolism-in-avians
#12
Bahman Navidshad, M Royan
Dietary fatty acids have various effects on cellular metabolism, and many of these effects are carried out through the alteration of the gene expression. Fatty acids upregulate or downregulate the expression of different genes by acting both as agonists or antagonists for nuclear hormone receptors. Peroxisome proliferator-activated receptors (PPARs) are members of the nuclear hormone receptor superfamily. To date, three PPAR subtypes, α, β, and γ, have been recognized. PPARs regulate various target genes with a role in intracellular and extracellular lipid metabolism, mainly those involved in peroxisomal β-oxidation...
2016: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/27910729/identification-of-cytochrome-p450s-involved-in-the-metabolism-of-6-benzyl-1-benzyloxymethyl-5-iodouracil-w-1-using-human-recombinant-enzymes-and-rat-liver-microsomes-in-vitro
#13
Ying-Yuan Lu, Hai-Xu Cheng, Xin Wang, Xiao-Wei Wang, Jun-Yi Liu, Pu Li, Ya-Qing Lou, Jun Li, Chuang Lu, Guo-Liang Zhang
1. The aim of this study was to identify the hepatic metabolic enzymes, which involved in the biotransformation of 6-benzyl-1-benzyloxymethyl-5-iodouracil (W-1), a novel non-nucleoside reverse transcriptase inhibitor (NNRTIs) in rat and human in vitro. 2. The parent drug of W-1 was incubated with RLMs or recombinant CYPs (CYP1A2, CYP2A6, CYP2B6, CYP2C8, CYP2C9, CYP2C19, CYP2D6, CYP2E1, CYP3A4 and CYP3A5, respectively) in the presence or absence of NADPH regenerating system. The metabolites of W-1 were analyzed with liquid chromatography-ion trap-time of flight-mass spectrometry (LC-IT-TOF-MS)...
December 2, 2016: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/27910154/interferon-free-regimens-improve-portal-hypertension-and-histological-necroinflammation-in-hiv-hcv-patients-with-advanced-liver-disease
#14
P Schwabl, M Mandorfer, S Steiner, B Scheiner, D Chromy, M Herac, T Bucsics, H Hayden, K Grabmeier-Pfistershammer, A Ferlitsch, G Oberhuber, M Trauner, M Peck-Radosavljevic, T Reiberger
BACKGROUND: HIV/HCV co-infected patients show accelerated fibrosis progression and higher risk for complications of portal hypertension (PHT). AIM: To assess the effects of interferon-free therapy on portal pressure, liver histology and plasma biomarkers in HIV/HCV-coinfected patients with PHT. METHODS: Twenty-two patients with paired hepatic venous pressure gradient (HVPG) measurements prior and after successful treatment (SVR) with interferon-free regimens were included...
January 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27910129/synthesis-of-c-14-radiolabeled-glucagon-receptor-antagonist-and-its-use-in-a-human-mass-balance-study
#15
Boris A Czeskis, Darlene K Satonin
The synthesis of the radiolabeled glucagon receptor antagonist 1-[(14) C] was accomplished based on decarboxylative iodination of acid 2 followed by "reattachment" of (14) C carboxylic function. The method allowed a significant reduction in the number of steps in preparation of the radiolabeled compound. Iodide 4, obtained by the halodecarboxylation, was converted to cyanide 5-[(14) C], which was hydrolyzed to provide the radiolabeled acid 2-[(14) C]. Coupling with β-alanine fragment and hydrolysis of ester 6-[(14) C] completed the synthesis of the target molecule 1-[(14) C]...
December 1, 2016: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/27910004/dabigatran-overdose-a-case-report-of-acute-hepatitis-extracorporeal-treatment
#16
Mariagrazia Porru, Antonella Mameli, Maria E Cianchetti, Mario Musu, Paola Schirru, Maria F Ruberto, Doris Barcellona, Francesco Marongiu
Dabigatran is an oral, direct thrombin inhibitor approved by international regulatory agencies for stroke prevention in patients with paroxysmal or persistent non-rheumatic atrial fibrillation (AF). The benefits of dabigatran are widely described, but its use in the geriatric population is not without risk. Chronic kidney disease is a common comorbidity with AF, and thus frequent checks of renal function in elderly patients are recommended. We report a case of dabigatran intoxication in an elderly man affected by heart failure and worsening renal function, who developed acute hepatitis and coma, which was successfully treated with continuous veno-venous hemodiafiltration...
December 1, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27909975/immunoglobulin-g4-related-hepatic-inflammatory-pseudotumor-invading-the-abdominal-wall
#17
Shinji Miyajima, Akihiro Okano, Masaya Ohana
A 50-year-old woman presented with epigastralgia. Computed tomography (CT) of the abdomen revealed a 6-cm well-enhanced mass extending from the left lobe of the liver to the abdominal wall, suggestive of cholangiocarcinoma. Liver and skin mass biopsies did not provide evidence of hepatic malignancy but were rich in plasma cells and sclerotic lesions. Subsequent detection of elevated serum immunoglobulin G4 (IgG4) led to a diagnosis IgG4-related inflammatory pseudotumor (IPT) of the liver. Treatment with systemic corticosteroids resulted in rapid clinical improvement...
December 1, 2016: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/27909908/obesity-and-liver-cancer
#18
Krasimira Aleksandrova, Marta Stelmach-Mardas, Sabrina Schlesinger
Obesity and related metabolic disorders have become globally prevalent posing a challenge for the chronically damaged liver and predisposing the development and progression of cancer. The rising phenomenon of "obesity epidemic" may provide means for understanding why liver cancer is one of the few malignancies with rising incidence in developed countries over the last decades. Non-alcoholic fatty liver disease associated with obesity, insulin resistance, and type 2 diabetes is an increasingly recognized trigger for liver cancer in Western populations characterized by low prevalence of established risk factors for liver cancer such as viral hepatitis and hepatotoxin exposure...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909829/contrast-enhanced-ultrasound-in-diagnosis-of-primary-hepatic-angiosarcoma
#19
Wenwu Ling, Tingting Qiu, Lin Ma, Chuanfen Lei, Yan Luo
Primary hepatic angiosarcoma (PHA) is a rare malignant tumor that occurs mainly in the elderly, with almost no specific symptoms or tumor markers. Information on the imaging characteristics of this tumor is limited due to its rarity. Therefore, it is difficult to diagnose PHA. So far, its definite diagnosis depends on histopathologic examination combined with immunohistochemical results. Patients with PHA have a poor prognosis in spite of surgical resection of this tumor. In this case report, we present a 72-year-old woman with PHA, focusing on the imaging features of this tumor, especially its enhancement pattern on contrast-enhanced ultrasound images...
December 1, 2016: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/27909741/the-role-of-epigenetic-modifiers-in-extended-cultures-of-functional-hepatocyte-like-cells-derived-from-human-neonatal-mesenchymal-stem-cells
#20
M Cipriano, J C Correia, S P Camões, N G Oliveira, P Cruz, H Cruz, M Castro, J L Ruas, J M Santos, J P Miranda
The development of predictive in vitro stem cell-derived hepatic models for toxicological drug screening is an increasingly important topic. Herein, umbilical cord tissue-derived mesenchymal stem cells (hnMSCs) underwent hepatic differentiation using an optimized three-step core protocol of 24 days that mimicked liver embryogenesis with further exposure to epigenetic markers, namely the histone deacetylase inhibitor trichostatin A (TSA), the cytidine analogue 5-azacytidine (5-AZA) and dimethyl sulfoxide (DMSO)...
December 1, 2016: Archives of Toxicology
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