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https://www.readbyqxmd.com/read/28817570/increased-hepatotoxicity-among-hiv-infected-adults-co-infected-with-schistosoma-mansoni-in-tanzania-a-cross-sectional-study
#1
Amon I Marti, Soledad Colombe, Peter J Masikini, Samuel E Kalluvya, Luke R Smart, Bahati M Wajanga, Hyasinta Jaka, Robert N Peck, Jennifer A Downs
INTRODUCTION: Little is known about hepatotoxicity in patients with schistosome and HIV co-infections. Several studies have reported increased liver enzymes and bilirubin levels associated with schistosome infection. We investigated whether HIV-infected adults on antiretroviral therapy who had S. mansoni co-infection had a higher prevalence of hepatotoxicity than those without. METHODOLOGY/PRINCIPAL FINDINGS: We determined the presence and grade of hepatotoxicity among 305 HIV-infected outpatients who had been on medium-term (3-6 months) and long-term (>36 months) antiretroviral therapy in a region of northwest Tanzania where S...
August 17, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28817541/titers-of-antibodies-to-the-surface-antigen-of-hepatitis-b-virus-after-vaccination-in-relation-to-immunity-related-gene-variants-a-prospective-study-among-hemodialysis-patients
#2
Elżbieta Jodłowska-Siewert, Paweł P Jagodziński, Alicja E Grzegorzewska
INTRODUCTION    Hemodialysis (HD) patients show a weaker response to hepatitis B virus (HBV) vaccination than the healthy population. Several gene variants were reported to be associated with the levels of antibodies to HBV surface antigen (anti-HBs) after HBV vaccination among healthy individuals. OBJECTIVES    The aim of the study was to determine the effect of immunity-related genes on the maximum anti-HBs antibody levels after vaccination among HD subjects. PATIENTS AND METHODS    This 6-year prospective study included HD patients who were not infected with HBV and underwent HBV vaccination...
August 9, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28817198/valuable-antibody-detection-method-for-classifying-hepatitis-e-virus-genotypes
#3
Chenyan Zhao, Yansheng Geng, Weijing Huang, Hongxia Ma, Youchun Wang
Nucleotide-based methods are conventionally used to classify the hepatitis E virus (HEV) genotypes. A serological enzyme immunoassay (EIA) using open reading frame 3 (ORF3) C-terminal peptides was developed to conveniently and accurately classify and evaluate the genotypes of HEV. The sera of mice immunized with HEV genotype 1, 3 and 4 reacted highly specifically to the peptides of the corresponding genotypes. Most (84.2%) clinical sera infected with HEV genotype 4 were positive for anti-HEV antibodies when tested with the ORF3 peptides of genotype 4, but were negative for genotypes 1 and 3...
August 17, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28816955/serum-hbeag-and-hbv-dna-levels-are-not-always-proportional-and-only-high-levels-of-hbeag-most-likely-correlate-with-high-levels-of-hbv-dna-a-community-based-study
#4
Ping Chen, Qinfen Xie, Xuan Lu, Chengbo Yu, Kaijin Xu, Bing Ruan, Hongcui Cao, Hainv Gao, Lanjuan Li
This study aimed to investigate the correlation between quantitative hepatitis B e antigen (HBeAg) and hepatitis B virus (HBV) DNA levels, and to determine whether semiquantitative measurement of HBeAg can indicate the extent of HBV replication in HBeAg-positive subjects in the immune tolerant phase.A cross-sectional, community-based survey was carried out in 12 communities of 2 counties in Zhejiang Province, China. A panel of 788 HBeAg-positive subjects was divided into 4 groups according to HBV DNA level...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28815790/evaluation-of-wastewater-treatment-by-ozonation-for-reducing-the-toxicity-of-contaminants-of-emerging-concern-to-rainbow-trout-oncorhynchus-mykiss
#5
Nicholas Maya, Jaden Evans, Deniz Nasuhoglu, Siavash Isazadeh, Viviane Yargeau, Chris D Metcalfe
While conventional wastewater treatment technologies are effective at removing many contaminants of emerging concern (CECs) from municipal wastewater, some contaminants are not removed efficiently. Ozonation may be a treatment option for reducing the concentrations of recalcitrant CECs in wastewater, but this process may generate toxic transformation-products. In the present study, we conducted semi-batch experiments to ozonate municipal wastewater effluent (WWE) spiked with 5 commonly detected CECs. The purpose of the study was to evaluate whether ozonation increased or decreased biological responses indicative of sublethal toxicity in juvenile rainbow trout (Oncorhynchus mykiss) injected intraperitoneally (i...
August 16, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28815408/diphenyl-diselenide-modulates-nucleotidases-reducing-inflammatory-responses-in-the-liver-of-toxoplasma-gondii-infected-mice
#6
Pedro H Doleski, Daniela B R Leal, Vanessa S Machado, Nathieli B Bottari, Alessandra G Manzoni, Emerson A Casali, Cesar E J Moritz, Ana C A Rocha, Giovana Camillo, Fernanda F Vogel, Lenita M Stefani, Ricardo E Mendes, Aleksandro Schafer da Silva
The aim of this study was to verify the effect of diphenyl diselenide (PhSe)2 on hepatic nucleotidases and on the concentration of purines in mice infected by Toxoplasma gondii. The animals were divided into four groups: Group A (uninfected), Group B (uninfected and treated with (PhSe)2), Group C (infected), and Group D (infected and treated with (PhSe)2). The inoculation (groups C and D) was performed with 50 cysts of T. gondii (ME-49 strain). Mice from groups B and D were treated with 5 μmol kg(-1) of (PhSe)2...
August 16, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/28815392/strategy-for-cyp3a-induction-risk-assessment-from-preclinical-signal-to-human-a-case-example-of-a-late-stage-discovery-compound
#7
Jialin Mao, Peter Fan, Susan Wong, Jianshuang Wang, Moulay Hicham Alaoui Ismaili, Brian Dean, Cornelis E C A Hop, Matthew Wright, Yuan Chen
PURPOSE: The exposure of G2917 decreased by four-fold at oral doses of 100 mg/kg twice daily for seven days in cynomolgus monkeys. Additional investigative work was conducted to understand: (1) the causes for the significant reduction in G2917 exposure in monkeys; (2) the extrapolation of in vitro induction data to in vivo findings in monkeys, and (3) the relevance of this pre-clinical finding to humans at the projected human efficacious dose. METHODS: Pharmacokinetic and induction potency (in vitro and in vivo) of G2917 in monkeys, and the in vitro human induction potency were studied...
August 16, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28815091/-spice-synthetic-marijuana-induced-acute-myocardial-infarction-a-case-series
#8
E Ul Haq, A Shafiq, A A Khan, A A Awan, S Ezad, W J Minteer, B Omar
Marijuana is the most widely abused "recreational" substance in the United States, with highest prevalence in young adults. It is reported to cause ischemic strokes, hepatitis, anxiety, and psychosis. Although it is associated with dose dependent tachycardia and can lead to coronary vasospasm, it has not been directly related to acute myocardial infarction (AMI). Marijuana induced coronary vasospasm can result in endothelial denudation at the site of a vulnerable atherosclerotic plaque in response to hemodynamic stressors, potentially causing an AMI...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28814517/zinc-salts-block-hepatitis-e-virus-replication-by-inhibiting-the-activity-of-viral-rna-dependent-rna-polymerase
#9
Nidhi Kaushik, Chandru Subramani, Saumya Anang, Rajagopalan Muthumohan, Shalimar, Baibaswata Nayak, C T Ranjith-Kumar, Milan Surjit
Hepatitis E virus (HEV) causes an acute, self limiting hepatitis in normal individuals and leads to chronic disease in immunocompromised individuals. HEV infection in pregnant women results in a more severe outcome, with the mortality rate going upto 30%. Though the virus usually causes sporadic infection, epidemics have been reported in developing and resource starved countries. No specific anti-viral exists against HEV. A combination of interferon and ribavirin therapy has been used to control the disease with some success...
August 16, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28813662/a-liver-capsular-network-of-monocyte-derived-macrophages-restricts-hepatic-dissemination-of-intraperitoneal-bacteria-by-neutrophil-recruitment
#10
Frederic Sierro, Maximilien Evrard, Simone Rizzetto, Michelle Melino, Andrew J Mitchell, Manuela Florido, Lynette Beattie, Shaun B Walters, Szun Szun Tay, Bo Lu, Lauren E Holz, Ben Roediger, Yik Chun Wong, Alessandra Warren, William Ritchie, Claire McGuffog, Wolfgang Weninger, David G Le Couteur, Florent Ginhoux, Warwick J Britton, William R Heath, Bernadette M Saunders, Geoffrey W McCaughan, Fabio Luciani, Kelli P A MacDonald, Lai Guan Ng, David G Bowen, Patrick Bertolino
The liver is positioned at the interface between two routes traversed by pathogens in disseminating infection. Whereas blood-borne pathogens are efficiently cleared in hepatic sinusoids by Kupffer cells (KCs), it is unknown how the liver prevents dissemination of peritoneal pathogens accessing its outer membrane. We report here that the hepatic capsule harbors a contiguous cellular network of liver-resident macrophages phenotypically distinct from KCs. These liver capsular macrophages (LCMs) were replenished in the steady state from blood monocytes, unlike KCs that are embryonically derived and self-renewing...
August 15, 2017: Immunity
https://www.readbyqxmd.com/read/28812994/organ-organ-crosstalk-and-alcoholic-liver-disease
#11
REVIEW
Lauren G Poole, Christine E Dolin, Gavin E Arteel
Alcohol consumption is a common custom worldwide, and the toxic effects of alcohol on several target organs are well-understood. Given the poor prognosis of treating clinically-relevant alcoholic liver disease (ALD) (i.e., alcoholic hepatitis (AH) and cirrhosis), additional research is required to develop more effective therapies. While the stages of ALD have been well-characterized, targeted therapies to prevent or reverse this process in humans are still needed. Better understanding of risk factors and mechanisms underlying disease progression can lead to the development of rational therapies to prevent or reverse ALD in the clinic...
August 16, 2017: Biomolecules
https://www.readbyqxmd.com/read/28812576/docosahexaenoic-acid-enrichment-in-nafld-is-associated-with-improvements-in-hepatic-metabolism-and-hepatic-insulin-sensitivity-a-pilot-study
#12
L Hodson, L Bhatia, E Scorletti, D E Smith, N C Jackson, F Shojaee-Moradie, M Umpleby, P C Calder, C D Byrne
This corrects the article DOI: 10.1038/ejcn.2017.9.
August 16, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28811719/refractory-hepatic-encephalopathy-in-a-patient-with-hypothyroidism-another-element-in-ammonia-metabolism
#13
Fernando Díaz-Fontenla, Marta Castillo-Pradillo, Arantxa Díaz-Gómez, Luis Ibañez-Samaniego, Pilar Gancedo, Juan Adan Guzmán-de-Villoria, Pilar Fernández-García, Rafael Bañares-Cañizares, Rita García-Martínez
Hepatic encephalopathy (HE) remains a diagnosis of exclusion due to the lack of specific signs and symptoms. Refractory HE is an uncommon but serious condition that requires the search of hidden precipitating events (i.e., portosystemic shunt) and alternative diagnosis. Hypothyroidism shares clinical manifestations with HE and is usually considered within the differential diagnosis of HE. Here, we describe a patient with refractory HE who presented a large portosystemic shunt and post-ablative hypothyroidism...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28811653/meal-timing-effects-on-insulin-sensitivity-and-intrahepatic-triglycerides-during-weight-loss
#14
R I Versteeg, M T Ackermans, A J Nederveen, E Fliers, M J Serlie, S E la Fleur
BACKGROUND: Several human and rodent studies suggest that in addition to the amount of energy consumed, timing of food intake contributes to body weight regulation. Consuming most energy in the morning has favorable effects on weight loss and weight maintenance. Whether this also affects glucose metabolism and liver fat independently from weight loss is unknown. OBJECTIVE: We hypothesized that during weight loss, consuming most energy in the morning improves insulin sensitivity and reduces hepatic fat content more than consuming most energy in the evening...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28811651/inkt-cells-prevent-obesity-induced-hepatic-steatosis-in-mice-in-a-c-c-chemokine-receptor-7-dependent-manner
#15
H M Kim, R Lee, E S Lee, M H Kwon, J H Huh, B-E Kwon, E-K Park, S-Y Chang, M-N Kweon, P-H Kim, H-J Ko, C H Chung
Non-alcoholic fatty liver disease and non-alcoholic steatohepatitis are characterized by an increase in hepatic triglyceride content with infiltration of immune cells, which can cause steatohepatitis and hepatic insulin resistance. C-C chemokine receptor 7 (CCR7) is primarily expressed in immune cells, and CCR7 deficiency leads to the development of multi-organ autoimmunity, chronic renal disease, and autoimmune diabetes. Here, we investigated the effect of CCR7 on hepatic steatosis in a mouse model and its underlying mechanism...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28811492/interferon-alpha-treatment-rapidly-clears-hepatitis-e-virus-infection-in-humanized-mice
#16
Martijn D B van de Garde, Suzan D Pas, Gertine W van Oord, Lucio Gama, Youkyung Choi, Robert A de Man, Andre Boonstra, Thomas Vanwolleghem
Antiviral treatment options for chronic Hepatitis E Virus (HEV) infections are limited and immunological determinants of viral persistence remain largely unexplored. We studied the antiviral potency of pegylated interferon-α (pegIFNα) against HEV infections in humanized mice and modelled intrahepatic interferon stimulated gene (ISG) responses. Human gene expression levels in humanized mouse livers were analyzed by qPCR and Nanostring. Human CXCL10 was measured in mouse serum. HEV genotype 3 (gt3) infections were cleared from liver and feces within 8 pegIFNα doses in all mice and relapsed after a single pegIFNα injection in only half of treated animals...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810876/prenatal-caloric-restriction-alters-lipid-metabolism-but-not-hepatic-fasn-gene-expression-and-methylation-profiles-in-rats
#17
Joanna Nowacka-Woszuk, Zofia E Madeja, Agata Chmurzynska
BACKGROUND: Undernutrition is an increasingly common problem. Insufficient calorie intake and nutrient deficiencies during pregnancy may have an impact not only on the mother, but may also alter metabolism in the infant. In this study, we have applied a calorie-restricted diet during gestation and examined its effect on hepatic Fasn mRNA and DNA methylation profiles in rats and their female progeny. The body composition and blood lipid profiles were also evaluated in both generations...
August 15, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28810822/gamma-irradiated-%C3%AE-glucan-modulates-signaling-molecular-targets-of-hepatocellular-carcinoma-in-rats
#18
Sawsan M Elsonbaty, Walid E Zahran, Fatma Sm Moawed
β-glucans are one of the most abundant forms of polysaccharides known as biological response modifiers which influence host's biological response and stimulate immune system. Accordingly, this study was initiated to evaluate irradiated β-glucan as a modulator for cellular signaling growth factors involved in the pathogenesis of hepatocellular carcinoma in rats. Hepatocellular carcinoma was induced with 20 mg diethylnitrosamine/kg BW. Rats received daily by gastric gavage 65 mg irradiated β-glucan/kg BW. It was found that treatment of rats with diethylnitrosamine induced hepatic injury and caused significant increase in liver injury markers with a concomitant significant increase in both hepatic oxidative and inflammatory indices: alpha-fetoprotein, interferon gamma, and interleukin 6 in comparison with normal and irradiated β-glucan-treated groups...
August 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28810416/is-disclosure-a-privilege-race-and-disclosure-patterns-of-hepatitis-c
#19
Alicia E Suarez
Research suggests that decisions to disclose hepatitis C status are affected by individual and interpersonal factors. However, no existing studies have examined the role of race in disclosure, despite the potential implications of being doubly marginalized on the basis of both race and hepatitis C status. Drawing on qualitative research with 53 persons with hepatitis C in the Southeastern United States, findings indicate that participants practiced four patterns of disclosure: activist disclosure, open disclosure, limited disclosure, and reluctant disclosure...
February 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28808243/comparison-of-error-correction-algorithms-for-ion-torrent-pgm-data-application-to-hepatitis-b-virus
#20
Liting Song, Wenxun Huang, Juan Kang, Yuan Huang, Hong Ren, Keyue Ding
Ion Torrent Personal Genome Machine (PGM) technology is a mid-length read, low-cost and high-speed next-generation sequencing platform with a relatively high insertion and deletion (indel) error rate. A full systematic assessment of the effectiveness of various error correction algorithms in PGM viral datasets (e.g., hepatitis B virus (HBV)) has not been performed. We examined 19 quality-trimmed PGM datasets for the HBV reverse transcriptase (RT) region and found a total error rate of 0.48% ± 0.12%. Deletion errors were clearly present at the ends of homopolymer runs...
August 14, 2017: Scientific Reports
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