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https://www.readbyqxmd.com/read/29245104/who-goes-first-understanding-hepatitis-c-risk-among-injecting-networks-in-the-prison-setting
#1
Lise Lafferty, Jake Rance, Carla Treloar
BACKGROUND: Hepatitis C (HCV) is a blood-borne virus that is most commonly transmitted through shared injecting equipment. Due to the criminalisation of injecting drug use, HCV is highly prevalent among those incarcerated. Using a risk environment framework, this qualitative study sought to understand the role of HCV risk within injecting networks in the prison setting. METHODS: Thirty-two adult prisoners (n=24 men; n=8 women) with a history of injecting drug use participated in this qualitative sub-study...
December 8, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29245066/immuno-biological-comparison-of-hepatic-stellate-cells-in-a-reverted-and-activated-state
#2
Mehdi Najar, Hussein Fayyad-Kazan, Wissam H Faour, Adil El Taghdouini, Gordana Raicevic, Leo A van Grunsven, Mustapha Najimi, Etienne Sokal, Laurence Lagneaux
Human hepatic stellate cells (HSCs) demonstrated great immunological plasticity with important consequences for liver cell therapy. Activated HSCs (aHSCs) are in vitro reverted (rHSCs) to a quiescent-like phenotype with potential benefit to reduce liver fibrosis. The goal of this study is to establish and compare the immunological profile of activated and in vitro reverted HSCs and to investigate the impact of inflammatory priming on the immunobiology of both HSCs populations. The distribution of inflammatory primed activated and reverted HSCs across the different phases of the cell cycle is assessed by flow cytometry...
December 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29245022/cost-effective-way-to-reduce-stimulant-abuse-among-gay-bisexual-men-and-transgender-women-a-randomized-clinical-trial-with-a-cost-comparison
#3
S X Zhang, S Shoptaw, C J Reback, K Yadav, A M Nyamathi
OBJECTIVES: A randomized controlled study was conducted with 422 homeless, stimulant-using gay/bisexual (G/B) men and 29 transgender women (n = 451) to assess two community-based interventions to reduce substance abuse and improve health: (a) a nurse case-managed program combined with contingency management (NCM + CM) versus (b) standard education plus contingency management (SE + CM). STUDY DESIGN: Hypotheses tested included: a) completion of hepatitis A/B vaccination series; b) reduction in stimulant use; and c) reduction in number of sexual partners...
December 12, 2017: Public Health
https://www.readbyqxmd.com/read/29244961/time-dependent-therapeutic-roles-of-nitazoxanide-on-high-fat-diet-streptozotocin-induced-diabetes-in-rats-effects-on-hepatic-ppar-%C3%AE-receptors
#4
Samah Mohamed Elaidy, Mona A Hussain, Mohamed K El-Kherbetawy
Targeting Peroxisome Proliferator-Activated Receptor-gamma (PPAR-γ) is an approved strategy in facing insulin resistance (IR) for the diabetes mellitus (DM)-type 2. The PPAR-γ modulators display improvements in the insulin sensitizing and adverse effects of the traditional thiazolidinediones (TZDs). Nitazoxanide (NTZ) is proposed as a PPAR-γ receptor ligand, with agonistic post-transcriptional effects. Currently, NTZ-antidiabetic activities versus pioglitazone (PIO) in a high-fat diet/streptozotocin (HFD/STZ) rat model of type-2 diabetes was explored...
December 15, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29244873/fatty-acids-in-non-alcoholic-steatohepatitis-focus-on-pentadecanoic-acid
#5
Wonbeak Yoo, Donjeta Gjuka, Heather L Stevenson, Xiaoling Song, Hong Shen, Suk Young Yoo, Jing Wang, Michael Fallon, George N Ioannou, Stephen A Harrison, Laura Beretta
Non-alcoholic fatty liver disease (NAFLD) is the most common form of liver disease and ranges from isolated steatosis to NASH. To determine whether circulating fatty acids could serve as diagnostic markers of NAFLD severity and whether specific fatty acids could contribute to the pathogenesis of NASH, we analyzed two independent NAFLD patient cohorts and used the methionine- and choline-deficient diet (MCD) NASH mouse model. We identified six fatty acids that could serve as non-invasive markers of NASH in patients with NAFLD...
2017: PloS One
https://www.readbyqxmd.com/read/29244870/human-hepatic-lipase-overexpression-in-mice-induces-hepatic-steatosis-and-obesity-through-promoting-hepatic-lipogenesis-and-white-adipose-tissue-lipolysis-and-fatty-acid-uptake
#6
Lídia Cedó, David Santos, Núria Roglans, Josep Julve, Victor Pallarès, Andrea Rivas-Urbina, Vicenta Llorente-Cortes, Joan Carles Laguna, Francisco Blanco-Vaca, Joan Carles Escolà-Gil
Human hepatic lipase (hHL) is mainly localized on the hepatocyte cell surface where it hydrolyzes lipids from remnant lipoproteins and high density lipoproteins and promotes their hepatic selective uptake. Furthermore, hepatic lipase (HL) is closely associated with obesity in multiple studies. Therefore, HL may play a key role on lipid homeostasis in liver and white adipose tissue (WAT). In the present study, we aimed to evaluate the effects of hHL expression on hepatic and white adipose triglyceride metabolism in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/29244788/dual-modulation-of-human-hepatic-zonation-via-canonical-and-non-canonical-wnt-pathways
#7
Laura McEnerney, Kara Duncan, Bo-Ram Bang, Sandra Elmasry, Meng Li, Toshio Miki, Sadeesh K Ramakrishnan, Yatrik M Shah, Takeshi Saito
The hepatic lobule is divided into three zones along the portal-central vein axis. Hepatocytes within each zone exhibit a distinctive gene expression profile that coordinates their metabolic compartmentalization. The zone-dependent heterogeneity of hepatocytes has been hypothesized to result from the differential degree of exposure to oxygen, nutrition and gut-derived toxins. In addition, the gradient of Wnt signaling that increases towards the central vein seen in rodent models is believed to play a critical role in shaping zonation...
December 15, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29244763/bisphenol-a-causes-liver-damage-and-selectively-alters-the-neurochemical-coding-of-intrahepatic-parasympathetic-nerves-in-juvenile-porcine-models-under-physiological-conditions
#8
Michael Thoene, Liliana Rytel, Ewa Dzika, Andrzej Włodarczyk, Ewa Kruminis-Kaszkiel, Ptaszyński Konrad, Joanna Wojtkiewicz
Bisphenol A (BPA) is an extremely common polymer that is used in typical everyday products throughout the world, especially in food and beverage containers. Within the last ten years, it has been found that the BPA monomer tends to leach into foodstuffs, and nanogram concentrations of it may cause a variety of deleterious health effects. These health problems are very evident in developing children and in young adults. The aim of this study was to expose developing pigs to dietary BPA at both legally acceptable and ten-fold higher levels...
December 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29244742/fibrinogen-gamma-chain-mutations-provoke-fibrinogen-and-apolipoprotein-b-plasma-deficiency-and-liver-storage
#9
Francesco Callea, Isabella Giovannoni, Sinan Sari, Esendagli Guldal, Buket Dalgic, Gulen Akyol, Tsuyoshi Sogo, Abdulrahman Al-Hussaini, Giuseppe Maggiore, Andrea Bartuli, Renata Boldrini, Paola Francalanci, Emanuele Bellacchio
p.R375W (Fibrinogen Aguadilla) is one out of seven identified mutations (Brescia, Aguadilla, Angers, Al du Pont, Pisa, Beograd, and Ankara) causing hepatic storage of the mutant fibrinogen γ. The Aguadilla mutation has been reported in children from the Caribbean, Europe, Japan, Saudi Arabia, Turkey, and China. All reported children presented with a variable degree of histologically proven chronic liver disease and low plasma fibrinogen levels. In addition, one Japanese and one Turkish child had concomitant hypo-APOB-lipoproteinemia of unknown origin...
December 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29244005/ghost-global-hepatitis-outbreak-and-surveillance-technology
#10
Atkinson G Longmire, Seth Sims, Inna Rytsareva, David S Campo, Pavel Skums, Zoya Dimitrova, Sumathi Ramachandran, Magdalena Medrzycki, Hong Thai, Lilia Ganova-Raeva, Yulin Lin, Lili T Punkova, Amanda Sue, Massimo Mirabito, Silver Wang, Robin Tracy, Victor Bolet, Thom Sukalac, Chris Lynberg, Yury Khudyakov
BACKGROUND: Hepatitis C is a major public health problem in the United States and worldwide. Outbreaks of hepatitis C virus (HCV) infections associated with unsafe injection practices, drug diversion, and other exposures to blood are difficult to detect and investigate. Effective HCV outbreak investigation requires comprehensive surveillance and robust case investigation. We previously developed and validated a methodology for the rapid and cost-effective identification of HCV transmission clusters...
December 6, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29244001/transmissibility-of-intra-host-hepatitis-c-virus-variants
#11
David S Campo, June Zhang, Sumathi Ramachandran, Yury Khudyakov
BACKGROUND: Intra-host hepatitis C virus (HCV) populations are genetically heterogeneous and organized in subpopulations. With the exception of blood transfusions, transmission of HCV occurs via a small number of genetic variants, the effect of which is frequently described as a bottleneck. Stochasticity of transmission associated with the bottleneck is usually used to explain genetic differences among HCV populations identified in the source and recipient cases, which may be further exacerbated by intra-host HCV evolution and differential biological capacity of HCV variants to successfully establish a population in a new host...
December 6, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29244000/identification-of-recent-cases-of-hepatitis-c-virus-infection-using-physical-chemical-properties-of-hypervariable-region-1-and-a-radial-basis-function-neural-network-classifier
#12
James Lara, Mahder Teka, Yury Khudyakov
BACKGROUND: Identification of acute or recent hepatitis C virus (HCV) infections is important for detecting outbreaks and devising timely public health interventions for interruption of transmission. Epidemiological investigations and chemistry-based laboratory tests are 2 main approaches that are available for identification of acute HCV infection. However, owing to complexity, both approaches are not efficient. Here, we describe a new sequence alignment-free method to discriminate between recent (R) and chronic (C) HCV infection using next-generation sequencing (NGS) data derived from the HCV hypervariable region 1 (HVR1)...
December 6, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29243785/induction-of-proliferation-and-activation-of-rat-hepatic-stellate-cells-via-high-glucose-and-high-insulin
#13
Q Li, X Li, C-L Deng
OBJECTIVE: To further investigate the occurrence mechanism of diabetic hepatic fibrosis through observing the effects of insulin and glucose in different concentrations on hepatic stellate cell (HSC) proliferation, and mRNA expressions of transforming growth factor-β1 (TGF-β1) and tissue inhibitor of metalloproteinase-1 (TIMP-1) in rats, so as to provide a theoretical and experimental basis for the occurrence, prevention and treatment of diabetic hepatic fibrosis (HF). MATERIALS AND METHODS: The HSCs in rats were cultured in vitro with high glucose alone and high glucose + high insulin as the stimulating factors and mannitol as the high osmotic pressure control...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29243589/defective-stim-mediated-store-operated-ca2-entry-in-hepatocytes-leads-to-metabolic-dysfunction-in-obesity
#14
Ana Paula Arruda, Benedicte Mengel Pers, Günes Parlakgul, Ekin Güney, Ted Goh, Erika Cagampan, Grace Yankun Lee, Renata L Goncalves, Gökhan S Hotamisligil
Defective Ca2+ handling is a key mechanism underlying hepatic endoplasmic reticulum (ER) dysfunction in obesity. ER Ca2+ level is in part monitored by the store-operated Ca2+ entry (SOCE) system, an adaptive mechanism that senses ER luminal Ca2+ concentrations through the STIM proteins and facilitates import of the ion from the extracellular space. Here, we show that hepatocytes from obese mice displayed significantly diminished SOCE as a result of impaired STIM1 translocation, which was associated with aberrant STIM1 O-GlycNAcylation...
December 15, 2017: ELife
https://www.readbyqxmd.com/read/29243584/prediction-and-analysis-of-three-dimensional-structure-of-the-p7-transactivated-protein1-of-hepatitis-c-virus
#15
Mahmoud M Elhefnawi, Mohamed E Hasan, Amal Mahmoud, Yehia A Khidr, El-Sayed A El-Absawy, Alaa A Hemeida
BACKGROUND: The p7-transactivated protein of Hepatitis C virus is a small integral membrane protein of 127 amino acids, which is crucial for assembly and release of infectious virions. Ab initio and comparative modelling, is an essential tool to solve the problem of protein structure prediction and to comprehend the physicochemical fundemental of how proteins fold in nature. RESULTS: Only one domain (1-127) of p7 had been predicted using the systematic in silico approach, ThreaDom...
December 15, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/29243516/gas6-as-a-predictor-of-esophageal-varices-in-patients-affected-by-hepatitis-c-virus-related-chronic-liver-disease
#16
Mattia Bellan, Pier Paolo Sainaghi, Margherita Tran Minh, Rosalba Minisini, Luca Molinari, Marco Baldrighi, Livia Salmi, Matteo Nazzareno Barbaglia, Luigi Mario Castello, Paolo Ravanini, Gian Carlo Avanzi, Mario Pirisi
AIM: Plasma Gas6 was tested as an alternative to Baveno VI criteria (liver stiffness <20 kPa and platelet count >150 × 109/l) in an endoscopy-sparing strategy. METHODS:  A total of 160 patients with chronic hepatitis C and advanced fibrosis/cirrhosis underwent, on the same occasion, liver elastography, upper endoscopy, a platelet count and serum Gas6 measurement Results: A total of 74/160 (46%) patients had esophageal varices, that were small (diameter <5 mm) in 57/160 (34%) and large in 17/160 (11%) cases...
December 15, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/29243441/-efficacy-and-safety-of-kuhuang-injection-in-treating-viral-hepatitis%C3%AF-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#17
Jun Zhao, Xing Liao, Hui Zhao, Jing Yang, Wen Zou, Le Wang, Ying-Jie Zhi
To systematically evaluate the effectiveness and safety of Kuhuang injection in treating viral hepatitis. Eight electronic databases and clinic trials were searched to collect randomized controlled trials for the effect of Kuhuang injection in the treatment of viral hepatitis. According to the Cochrane Handbook 5.1, two independent reviewers screened out the literatures, extracted data and assessed the quality of thestudies included. RevMan5.3 software was used for the data analysis. A total of 32 articles were included, involving 3 188 patients, including male 1 951 cases (61...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29243440/-tissue-distribution-of-araloside-a-in-rats
#18
Dong-Yan Guo, Bing-Tao Zhai, Yang Lv, Ya-Jun Shi, Yu Fan, Lu Wang, Mei Wang
Araloside A is one of the main active ingredients of Aralia taibaiensis. In this study, HPLC-MS/MS analysis method of araloside A in the main organs of SD rats was established. At the same time, the content of araloside A in the main organs (heart, liver, spleen, lung, kidney, brain) after oral administration with araloside A (50 mg•kg⁻¹) were determined to explore the tissue distribution characteristics of araloside A in vivo. The results showed that the methodological study of araloside A in the main organs of SD rats met the requirements, araloside A distributed in heart, liver, spleen, lung, kidney and brain tissues reached peak at 1 h or 2 h after oral administration with 50 mg•kg-1...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29243365/vitamin-a-coupled-liposome-system-targeting-free-cholesterol-accumulation-in-hepatic-stellate-cells-offers-a-beneficial-therapeutic-strategy-for-liver-fibrosis
#19
Hirotaka Furuhashi, Kengo Tomita, Toshiaki Teratani, Motonori Shimizu, Makoto Nishikawa, Masaaki Higashiyama, Takeshi Takajo, Kazuhiko Shirakabe, Koji Maruta, Yoshikiyo Okada, Chie Kurihara, Chikako Watanabe, Shunsuke Komoto, Suefumi Aosasa, Shigeaki Nagao, Junji Yamamoto, Soichiro Miura, Ryota Hokari
AIM: Liver fibrosis is a life-threatening disorder for which no approved therapy is available. Recently, we reported that mouse hepatic stellate cell (HSC) activation increased free cholesterol (FC) accumulation partly by enhancing signaling via sterol regulatory element-binding protein 2 (SREBP2) and microRNA-33a (miR-33a), which resulted in HSC sensitization to transforming growth factor-β (TGFβ)-induced activation in a 'vicious cycle' of liver fibrosis. METHODS: Human HSCs were isolated from surgical liver specimens from the control patients and patients with liver fibrosis...
December 15, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29243216/lipid-a-adjuvanted-chylomicron-mimicking-solid-fat-nanoemulsions-for-immunization-against-hepatitis-b
#20
Sunita Minz, Ravi Shankar Pandey
Traditional parenteral recombinant hepatitis B virus (HBV) vaccines have effectively reduced the disease burden despite being able to induce seroprotective antibody titers in 5-10% vaccinated individuals (non-responders). Moreover, an estimated 340 million chronic HBV cases are in need of treatment. Development of safe, stable, and more effective hepatitis B vaccine formulation would address these challenges. Recombinant hepatitis B surface antigen (rHBsAg) entrapped solid fat nanoemulsions (SFNs) containing monophosphoryl lipid A (MPLA) that was prepared and optimized by quality by design (QbD) using response surface methodology (RSM), i...
December 14, 2017: AAPS PharmSciTech
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