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https://www.readbyqxmd.com/read/29906476/adar1-affects-hcv-infection-by-modulating-innate-immune-response
#1
Maria Pujantell, Sandra Franco, Iván Galván-Femenía, Roger Badia, Marc Castellví, Edurne Garcia-Vidal, Bonaventura Clotet, Rafael de Cid, Cristina Tural, Miguel A Martínez, Eva Riveira-Muñoz, José A Esté, Ester Ballana
The hepatitis C virus (HCV) is a globally prevalent infectious pathogen. As many as 80% of people infected with HCV do not control the virus and develop a chronic infection. Response to interferon (IFN) therapy is widely variable in chronic HCV infected patients, suggesting that HCV has evolved mechanisms to suppress and evade innate immunity responsible for its control and elimination. Adenosine deaminase acting on RNA 1 (ADAR1) is a relevant factor in the regulation of the innate immune response. The loss of ADAR1 RNA-editing activity and the resulting loss of inosine bases in RNA are critical in producing aberrant RLR-mediated innate immune response, mediated by RNA sensors MDA5 and RIG-I...
June 12, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29901821/risk-of-diabetes-in-hiv-infected-patients-is-associated-with-cirrhosis-but-not-with-chronic-hcv-coinfection-in-a-french-nationwide-hiv-cohort
#2
A Provoost, M Dramé, L Cotte, L Cuzin, R Garraffo, D Rey, F Raffi, I Poizot-Martin, P Pugliese, F Bani-Sadr
BACKGROUND: Both human immunodeficiency virus (HIV) and hepatitis C virus (HCV) infections have been reportedly associated with a higher risk of diabetes mellitus (DM) but results are conflicting. AIMS: To determine whether there is an association between chronic HCV and the incidence of DM, and to study the role of factors such as cirrhosis, IFN-based HCV therapy, sustained virologic response (SVR) and chronic HBV infection among patients living with HIV (PLHIV) followed in a large French multicentre cohort in the combination antiretroviral therapy (cART) era...
June 14, 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29899984/clinical-and-genetic-determinants-of-nevirapine-plasma-trough-concentration
#3
Andrea Giacomelli, Stefano Rusconi, Felicia Stefania Falvella, Maria Letizia Oreni, Dario Cattaneo, Valeria Cozzi, Giulia Renisi, Elisa Monge, Stefania Cheli, Emilio Clementi, Agostino Riva, Massimo Galli, Anna Lisa Ridolfo
Background: Only few data are available on the influence of CYP2B6 and CYP3A4/A5 polymorphisms on nevirapine plasma concentrations in the Caucasian population. Our aim was to assess the impact of CYP2B6 and CYP3A4/A5 polymorphisms on nevirapine plasma concentrations consecutively collected. Methods: We retrospectively analyzed clinical data of all HIV-positive patients who were followed at the Infectious Diseases Unit, DIBIC Luigi Sacco, University of Milan between January 2000 and December 2015...
2018: SAGE Open Medicine
https://www.readbyqxmd.com/read/29879043/risk-factors-associated-with-overweight-and-obesity-in-hiv-infected-people-aging-behavioral-factors-but-not-cart-in-a-cross-sectional-study
#4
Véronique Obry-Roguet, Sylvie Brégigeon, Carla E Cano, Caroline Lions, Olivia Zaegel-Faucher, Hélène Laroche, Sébastien Galie, Perrine Geneau De Lamarlière, Matthieu Orticoni, Marie-Josèphe Soavi, Armelle Saout, Isabelle Poizot-Martin
Identifying risk factors associated with overweight and obesity in HIV-infected patients.A cross-sectional study analyzing data from patients attending an HIV outpatient unit. Overweight was defined as body mass index (BMI) ≥25 kg/m; <30 kg/m, obesity was ≥30 kg/m. Patients' characteristics contemporary to BMI assessment were collected. Multivariate logistic regression identified risk factors associated with overweight/obesity.Eight hundred sixty-two patients, median age 51 years, 21.5 years of HIV infection follow-up, 585 (68%) male, 829 (96%) receiving combined antiretroviral therapy (cART) for median 16...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29874250/successful-direct-acting-antiviral-daa-treatment-of-hcv-hiv-coinfected-patients-before-and-after-liver-transplantation
#5
Julia M Grottenthaler, Christoph R Werner, Martina Steurer, Ulrich Spengler, Thomas Berg, Cornelius Engelmann, Heiner Wedemeyer, Thomas von Hahn, Wolfgang Stremmel, Anita Pathil, Ulrich Seybold, Eckart Schott, Usha Blessin, Christoph Sarrazin, Martin-Walter Welker, Ellen Harrer, Stefan Scholten, Clemens Hinterleitner, Ulrich M Lauer, Nisar P Malek, Christoph P Berg
OBJECTIVES: The aim of this multicenter retrospective study was to investigate safety and efficacy of direct acting antiviral (DAA) treatment in the rare subgroup of patients with HCV/HIV-coinfection and advanced liver cirrhosis on the liver transplant waiting list or after liver transplantation, respectively. METHODS: When contacting 54 German liver centers (including all 23 German liver transplant centers), 12 HCV/HIV-coinfected patients on antiretroviral combination therapy were reported having received additional DAA therapy while being on the waiting list for liver transplantation (patient characteristics: Child-Pugh A (n = 6), B (n = 5), C (n = 1); MELD range 7-21; HCC (n = 2); HCV genotype 1a (n = 8), 1b (n = 2), 4 (n = 2))...
2018: PloS One
https://www.readbyqxmd.com/read/29870852/benefit-of-direct-acting-antiviral-therapy-for-hepatitis-c-virus-hcv-in-monoinfected-and-hiv-hcv-coinfected-patients-with-mixed-cryoglobulinemia
#6
Patrick Miailhes, Kerstin Hartig-Lavie, Victor Virlogeux, Pierre Pradat, Mamadou Diakite, Anne-Claire Uhres, Fabien Zoulim, Marie-Nathalie Sarda
OBJECTIVES: Mixed cryoglobulinemia (MC) is found in 40-60% of patients with chronic hepatitis C virus (HCV) infection. Direct-acting antiviral (DAA) regimens considerably improve clinical outcome of HCV infection with sustained virological response rates (SVR) above 90%. We aimed to evaluate the impact of DAA therapy on cryoglobulin clearance and on MC related symptoms in patients with HCV-associated MC. METHODS: 35 HCV monoinfected and 12 HIV-HCV coinfected patients with symptomatic or asymptomatic MC treated with DAA regimen were analyzed...
June 2, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29868909/macrophage-activation-marker-soluble-cd163-is-a-dynamic-marker-of-liver-fibrogenesis-in-hiv-hcv-coinfection
#7
Anna Lidofsky, Jacinta A Holmes, Eoin R Feeney, Annie J Kruger, Shadi Salloum, Hui Zheng, Isabel S Seguin, Akif Altinbas, Ricard Masia, Kathleen E Corey, Jenna L Gustafson, Esperance A Schaefer, Peter W Hunt, Steven Deeks, Ma Somsouk, Kara W Chew, Raymond T Chung, Nadia Alatrakchi
Background & aims: Coinfection with human immunodeficiency virus (HIV) accelerates hepatitis C virus (HCV)-related liver fibrosis. Macrophages are triggered during both viral infections and are critical in liver inflammation/fibrogenesis. Liver fibrosis strongly associates with serum soluble (s)CD163 (macrophage activation marker); comprehensive evaluation in HIV/HCV coinfection is lacking. Methods: We retrospectively analyzed sCD163 (ELISA) and hepatic CD163 (immunofluorescent CD163/CD68 costaining) in HIV/HCV, HCV or HIV, pre-/post-antiviral therapy...
June 4, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29857547/impact-of-alcohol-and-coffee-intake-on-the-risk-of-advanced-liver-fibrosis-a-longitudinal-analysis-in-hiv-hcv-coinfected-patients-anrs-hepavih-co-13-cohort
#8
Issifou Yaya, Fabienne Marcellin, Marie Costa, Philippe Morlat, Camelia Protopopescu, Gilles Pialoux, Melina Erica Santos, Linda Wittkop, Laure Esterle, Anne Gervais, Philippe Sogni, Dominique Salmon-Ceron, Maria Patrizia Carrieri
BACKGROUND: Coffee intake has been shown to modulate both the effect of ethanol on serum GGT activities in some alcohol consumers and the risk of alcoholic cirrhosis in some patients with chronic diseases. This study aimed to analyze the impact of coffee intake and alcohol consumption on advanced liver fibrosis (ALF) in HIV-HCV co-infected patients. METHODS: ANRS CO13-HEPAVIH is a French, nationwide, multicenter cohort of HIV-HCV-co-infected patients. Sociodemographic, behavioral, and clinical data including alcohol and coffee consumption were prospectively collected using annual self-administered questionnaires during five years of follow-up...
May 31, 2018: Nutrients
https://www.readbyqxmd.com/read/29844604/hiv-reverse-transcriptase-and-protease-genes-variability-can-be-a-biomarker-associated-with-hiv-and-hepatitis-b-or-c-coinfection
#9
Natália Mirele Cantão, Lauana Fogaça de Almeida, Ivan Rodrigo Wolf, Rodrigo Oliveira Almeida, Andressa Alves de Almeida Cruz, Caroline Nunes, Alexandre Naime Barbosa, Guilherme Targino Valente, Maria Inês de Moura Campos Pardini, Rejane Maria Tommasini Grotto
Variability of the HIV reverse transcriptase (RT) and protease (PR) genes has been used as indicators of drug resistance and as a mean to evaluate phylogenetic relationships among circulating virus. However, these studies have been carried in HIV mono-infected populations. The goal of this study was to evaluate, for the first time, the HIV PR and RT sequences from HIV/HBV and HIV/HCV co-infected patients. HIV PR and RT genes were amplificated and sequenced to resistance analysis. The bioinformatics analysis was performed to infer about sequences clustering and molecular evolution...
May 29, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29793873/executive-summary-of-the-gesida-consensus-document-on-control-and-monitoring-of-hiv-infected-patients
#10
(no author information available yet)
The continuous increase in our knowledge of HIV medicine and antiretroviral treatment has led us to draft specific consensus documents focused on topics other than antiretroviral therapy, such as treatment of opportunistic diseases, pre- and post-exposure prophylaxis, metabolic abnormalities, treatment of HBV or HCV coinfection, treatment of patients coinfected with tuberculosis, osteoporosis, kidney disorders, and cardiovascular risk. Accordingly, the AIDS Study Group (GeSIDA) of the Spanish Society of Infectious Diseases and Clinical Microbiology has promoted the drafting of this consensus document on the control and monitoring of adult patients infected with HIV...
May 21, 2018: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/29785877/hepatitis-b-virus-lymphotropism-emerging-details-and-challenges
#11
Shivali S Joshi, Carla S Coffin
The hepatitis B virus (HBV) is predominantly a hepatotropic virus but also infects cells of the lymphatic system. HBV genomes (DNA, messenger (m)RNA, covalently closed circular (ccc) DNA) and proteins have been found in extrahepatic sites such as peripheral blood mononuclear cells (PBMC), lymph nodes, spleen, bone marrow and cerebrospinal fluid. HBV entry into hepatocytes occurs by binding of the HBV preS1 surface protein to its specific receptor, the bile acid transporter, sodium taurocholate co-transporting polypeptide (NTCP)...
May 22, 2018: Biotechnology & Genetic Engineering Reviews
https://www.readbyqxmd.com/read/29785584/interferon-free-therapy-in-hepatitis-c-virus-hcv-monoinfected-and-hcv-hiv-coinfected-patients-effect-on-cognitive-function-fatigue-and-mental-health
#12
Felix Kleefeld, Sophie Heller, Patrick Ingiliz, Heiko Jessen, Anders Petersen, Ute Kopp, Antje Kraft, Katrin Hahn
The efficacy and safety of interferon-free therapies for hepatitis C virus (HCV) infection have been reported. Considering the accumulating evidence for a direct central nervous system infection by HCV, we aim to evaluate the effect of direct acting antivirals (DAA) therapy on cognitive function in HCV patients. We conducted a longitudinal analysis of the cognitive performance of 22 patients (8 HCV+, 14 HCV+/HIV+) who completed neuropsychological testing at baseline and at week 12 after DAA therapy. In 20 patients, we analyzed specific attention parameters derived from an experimental testing based on the Theory of Visual Attention (TVA)...
May 21, 2018: Journal of Neurovirology
https://www.readbyqxmd.com/read/29778263/hepatitis-c-virus-elimination-in-the-human-immunodeficiency-virus-coinfected-population-leveraging-the-existing-human-immunodeficiency-virus-infrastructure
#13
REVIEW
Meredith E Clement, Lauren F Collins, Julius M Wilder, Michael Mugavero, Taryn Barker, Susanna Naggie
The objective of this review is to consider how existing human immunodeficiency virus (HIV) infrastructure may be leveraged to inform and improve hepatitis C virus (HCV) treatment efforts in the HIV-HCV coinfected population. Current gaps in HCV care relevant to the care continuum are reviewed. Successes in HIV treatment are then applied to the HCV treatment model for coinfected patients. Finally, the authors give examples of HCV treatment strategies for coinfected patients in both domestic and international settings...
June 2018: Infectious Disease Clinics of North America
https://www.readbyqxmd.com/read/29778255/elimination-of-hepatitis-c-virus-in-australia-laying-the-foundation
#14
REVIEW
Gregory J Dore, Behzad Hajarizadeh
Australia is on-track to achieve World Health Organization hepatitis C virus (HCV) elimination targets. An active HCV screening program led to 82% of HCV-infected population being diagnosed. An unrestricted direct-acting antiviral (DAA) program, launched in March 2016 resulted in an estimated 58,500 individuals (26% of total HCV-infected population, including 70% of those with cirrhosis) initiating treatment through 2017. Treatment uptake was high among sub-populations at greater HCV transmission risk with 22% of people injecting drugs and >60% of those with HIV/HCV coinfection initiating DAA treatment in 2016...
June 2018: Infectious Disease Clinics of North America
https://www.readbyqxmd.com/read/29765442/hepatitis-c-coinfection-adversely-affects-the-life-expectancy-of-people-living-with-hiv-in-northwestern-poland
#15
Magdalena Leszczyszyn-Pynka, Piotr Ciejak, Katarzyna Maciejewska, Magdalena Witak-Jędra, Malwina Karasińska-Cieślak, Ewa Karpińska, Marta Wawrzynowicz-Syczewska, Miłosz Parczewski
Introduction: Hepatitis C (HCV) infection adversely affects survival among people living with HIV, increasing mortality risk due to liver-related causes. In Poland HCV is found among ~30% of HIV infected individuals, with only a small percentage successfully treated for this coinfection. This study aimed to analyze the HCV-associated influence on the life expectancy among HIV/HCV coinfected patients from northwestern Poland. Material and methods: Longitudinal data of 701 (368 HIV monoinfected and 368 HIV/HCV coinfected) patients were investigated to assess the life expectancy and survival after HIV diagnosis...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29759421/prevalence-and-distribution-of-hepatitis-c-virus-genotypes-in-galicia-during-the-period-2000-2015
#16
Daniel Navarro-de la Cruz, Sonia Pérez-Castro, Matilde Trigo-Daporta, Antonio Aguilera-Guirao
INTRODUCTION: We present the largest study conducted in Galicia on the prevalence and distribution of HCV genotypes/subtypes. METHODS: Retrospective study collecting the total number of patients chronically infected by HCV between 2000.01.01 to 2015.12.31 in 3of the main health areas: Santiago, Pontevedra and Vigo. RESULTS: We collected a total of 4469 patients. The median age was 50 years (IQR 57-45), 72,3% were men, 0,4% were coinfected with another genotype, 20,6% were coinfected with HIV and 35...
May 11, 2018: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/29746648/effects-of-sofosbuvir-based-hepatitis-c-treatment-on-the-pharmacokinetics-of-tenofovir-in-hiv-hcv-coinfected-individuals-receiving-tenofovir-disoproxil-fumarate
#17
Christine E MacBrayne, Kristen M Marks, Daniel S Fierer, Susanna Naggie, Raymond T Chung, Michael D Hughes, Arthur Y Kim, Marion G Peters, Diana M Brainard, Sharon M Seifert, Jose R Castillo-Mancilla, Lane R Bushman, Peter L Anderson, Jennifer J Kiser
Background: The nucleotide analogues tenofovir and sofosbuvir are considered to have low potential for drug interactions. Objectives: To determine the effect of sofosbuvir-based HCV treatment on plasma concentrations of tenofovir and cellular concentrations of tenofovir diphosphate. Methods: HIV-infected participants with acute HCV were treated for 12 weeks with sofosbuvir + ribavirin in Cohort 1 or 8 weeks with ledipasvir/sofosbuvir in Cohort 2 of AIDS Clinical Trials Group study 5327...
May 9, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29742524/prevalence-and-incidence-of-hepatitis-delta-in-patients-with-chronic-hepatitis-b-in-spain
#18
Antonio Aguilera, Rocio Trastoy, Javier Rodríguez-Calviño, Tamara Manso, Carmen de Mendoza, Vicente Soriano
BACKGROUND: Hepatitis delta virus (HDV) is a defective agent that only replicates in the presence of the hepatitis B virus. Accordingly, HDV acquisition may occur as superinfection of HBsAg+ carriers or following acute dual HDV and hepatitis B virus exposure. Herein, we examined the global and incident rates of HDV infections in Spain. PATIENTS AND METHODS: The presence of anti-HDV antibody and new HDV superinfections was examined in all HBsAg+ patients who attended one large tertiary outclinic in Spain since year 2000...
May 8, 2018: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29727295/croi-2018-highlights-of-viral-hepatitis
#19
Anne F Luetkemeyer, David L Wyles
At the 2018 Conference on Retroviruses and Opportunistic Infections (CROI), there was a major focus on hepatitis C virus (HCV) elimination and improving each component of the hepatitis C care cascade. Several countries and cohorts have demonstrated the remarkable impact that universal HCV testing and unrestricted access to hepatitis C treatment can have on markedly reducing incident HCV infections and HCV infection prevalence, including in people who inject drugs and HIV/HCV-coinfected populations. However, in many settings, substantial barriers to widespread HCV treatment remain, including undiagnosed HCV infection, particularly in populations outside the standard "baby boomer" birth cohort (ie, born 1945-1965); restricted access to hepatitis C treatment in those with known HCV infection; reinfection with HCV; and migration of HCV-infected populations...
May 2018: Topics in Antiviral Medicine
https://www.readbyqxmd.com/read/29692581/cluster-of-differentiation-4-t-cell-counts-and-human-immunodeficiency-virus-1-viral-load-in-patients-coinfected-with-hepatitis-b-virus-and-hepatitis-c-virus
#20
Sakshee Gupta, Bharti Malhotra, Jitendra Kumar Tiwari, Prabhu Dayal Khandelwal, Rakesh Kumar Maheshwari
BACKGROUND: Coinfections of human immunodeficiency virus (HIV) with hepatitis viruses may affect the progress of disease and response to therapy. OBJECTIVES: To study the incidence of hepatitis B virus (HBV) and hepatitis C virus (HCV) coinfections in HIV-positive patients and their influence on HIV-1 viral load and cluster of differentiation 4+ (CD4+) T-cell counts. MATERIALS AND METHODS: This pilot study was done on 179 HIV-positive patients attending antiretroviral therapy (ART) centre...
April 2018: Journal of Laboratory Physicians
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