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https://www.readbyqxmd.com/read/28526680/decrease-in-numbers-of-naive-and-resting-b-cells-in-hiv-infected-kenyan-adults-leads-to-a-proportional-increase-in-total-and-plasmodium-falciparum-specific-atypical-memory-b-cells
#1
Anne E Frosch, Oludare A Odumade, Justin J Taylor, Kathleen Ireland, George Ayodo, Bartholomew Ondigo, David L Narum, John Vulule, Chandy C John
Human immunodeficiency virus type 1 (HIV-1) infection is associated with B cell activation and exhaustion, and hypergammaglobulinemia. How these changes influence B cell responses to coinfections such as malaria is poorly understood. To address this, we compared B cell phenotypes and Abs specific for the Plasmodium falciparum vaccine candidate apical membrane Ag-1 (AMA1) in HIV-infected and uninfected adults living in Kenya. Surprisingly, HIV-1 infection was not associated with a difference in serum AMA1-specific Ab levels...
May 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28520749/access-and-response-to-direct-antiviral-agents-daa-in-hiv-hcv-co-infected-patients-in-italy-data-from-the-icona-cohort
#2
Antonella d'Arminio Monforte, Alessandro Cozzi-Lepri, Francesca Ceccherini-Silberstein, Andrea De Luca, Sergio Lo Caputo, Antonella Castagna, Cristina Mussini, Antonella Cingolani, Alessandro Tavelli, Milensu Shanyinde, Andrea Gori, Enrico Girardi, Massimo Andreoni, Andrea Antinori, Massimo Puoti
BACKGROUND: Real-life data on access and response to direct antiviral agents (DAA) in HIV-HCV coinfected individuals are lacking. METHODS: HCV viremic, HIV-positive patients from Icona and Hepaicona cohorts naïve to DAA by January 2013 were included. Access and predictors of starting DAA were evaluated. Switches of antiretroviral drugs at starting DAA were described. We calculated sustained virological response (SVR12) in those reaching 12 weeks after end-of-treatment (EOT), and defined treatment failure (TF) as discontinuation of DAA before EOT or non-SVR12...
2017: PloS One
https://www.readbyqxmd.com/read/28520494/racial-ethnic-disparities-at-the-end-of-an-hiv-epidemic-persons-who-inject-drugs-in-new-york-city-2011-2015
#3
Don C Des Jarlais, Kamyar Arasteh, Courtney McKnight, Jonathan Feelemyer, Susan Tross, David Perlman, Samuel Friedman, Aimee Campbell
OBJECTIVES: To examine whether racial/ethnic disparities persist at the "end of the HIV epidemic" (prevalence of untreated HIV infection < 5%; HIV incidence < 0.5 per 100 person-years) among persons who inject drugs (PWID) in New York City. METHODS: We recruited 2404 PWID entering New York City substance use treatment in 2001 to 2005 and 2011 to 2015. We conducted a structured interview, and testing for HIV and herpes simplex virus 2 (HSV-2; a biomarker for high sexual risk)...
May 18, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28511777/expression-of-interleukin-1%C3%AE-and-interleukin-6-in-leprosy-reactions-in-patients-with-human-immunodeficiency-virus-coinfection
#4
Carla Andréa Avelar Pires, Juarez Antônio Simões Quaresma, Tinara Leila de Souza Aarão, Jorge Rodrigues de Souza, Geraldo Mariano Moraes Macedo, Fernando Octávio Machado Jucá Neto, Marília Brasil Xavier
Previous studies suggest that coinfection of leprosy and human immunodeficiency virus (HIV) does not decrease the frequency and intensity of leprosy reactions. However, the immunological aspects of leprosy reactions in coinfected patients remain obscure, with a limited number of studies showing contradictory results. Observational study using tissue samples collected during leprosy reactions from 15 patients coinfected with leprosy and HIV and from 15 patients with leprosy alone. Patients were part of a prior larger cohort study of leprosy patients with and without HIV coinfection...
May 13, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28506368/human-immunodeficiency-virus-infection-antiretroviral-therapy-and-liver-pathology
#5
REVIEW
Mark W Sonderup, Helen Cecilia Wainwright
The improvement in antiretroviral therapy has significantly impacted the lives of people living with human immunodeficiency virus (HIV). In high-income countries, HIV deaths are predominated by liver disease consequent to viral hepatitis coinfection, alcohol, and nonalcoholic fatty liver disease. Published liver pathology findings have shifted from being predominated by opportunistic infections to the metabolic effects of HIV and antiretroviral therapy as well as drug-induced liver injuries. Differences remain between high-income and low-income countries, where opportunistic infections and immune reconstitution syndromes, dominate findings...
June 2017: Gastroenterology Clinics of North America
https://www.readbyqxmd.com/read/28505338/concordance-between-anal-and-oral-human-papillomavirus-hpv-infections-among-young-men-who-have-sex-with-men
#6
Martin Steinau, Pamina Gorbach, Beau Gratzer, Jim Braxton, Peter R Kerndt, Richard A Crosby, Elizabeth R Unger, Lauri E Markowitz, Elissa Meites
Prevalence of human papillomavirus (HPV) infections was assessed among 1033 young men who have sex with men (MSM) aged 18-26 years. HPV (any type) was detected in 742 (71.8%) anal specimens and 101 (9.8%) oral specimens. Although HPV was detected in specimens from both anatomical sites in 83 (8.0%) participants, type-specific concordance for at least one HPV type was found in only 35 (3.4%) participants. HIV and smoking were associated with higher prevalence at both sites and frequency of concordant types. Coinfections of identical HPV types were rare, suggesting independent infection events and/or different modes of clearance...
May 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28502092/hiv-hcv-co-infection-and-the-risk-of-cardiovascular-disease-a-meta-analysis
#7
Olatokunbo Osibogun, Oluseye Ogunmoroti, Erin D Michos, Erica S Spatz, Babatunde Olubajo, Khurram Nasir, Purnima Madhivanan, Wasim Maziak
The emergence of improved antiretroviral therapy has increased the life expectancy of human immunodeficiency virus (HIV)-infected individuals, though there is an increased susceptibility to developing cardiovascular diseases (CVD). The risk for CVD is purported to be even higher among people with HIV and hepatitis C virus (HCV) co-infection because of the increased inflammatory response, which may synergistically impact CV risk; however, studies comparing CV outcomes between HIV alone and HIV/HCV individuals have been discordant...
May 14, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28497525/risk-of-end-stage-renal-disease-in-hiv-positive-potential-live-kidney-donors
#8
A D Muzaale, K N Althoff, C J Sperati, A G Abraham, L M Kucirka, A B Massie, M M Kitahata, M A Horberg, A C Justice, M J Fischer, M J Silverberg, A A Butt, S L Boswell, A R Rachlis, A M Mayor, M J Gill, J J Eron, S Napravnik, D R Drozd, J N Martin, R J Bosch, C M Durand, J E Locke, R D Moore, G M Lucas, D L Segev
New federal regulations allow HIV-positive individuals to be live kidney donors; however, potential candidacy for donation is poorly understood given the increased risk of end-stage renal disease (ESRD) associated with HIV infection. To better understand this risk, we compared the incidence of ESRD among 41 968 HIV-positive participants of North America AIDS Cohort Collaboration on Research and Design followed for a median of 5 years with the incidence of ESRD among comparable HIV-negative participants of National Health and Nutrition Examination III followed for a median of 14 years...
May 12, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28497124/parv4-prevalence-phylogeny-immunology-and-coinfection-with-hiv-hbv-and-hcv-in-a-multicentre-african-cohort
#9
Colin P Sharp, William F Gregory, Louise Hattingh, Amna Malik, Emily Adland, Samantha Daniels, Anriette van Zyl, Jonathan M Carlson, Susan Wareing, Anthony Ogwu, Roger Shapiro, Lynn Riddell, Fabian Chen, Thumbi Ndung'u, Philip J R Goulder, Paul Klenerman, Peter Simmonds, Pieter Jooste, Philippa C Matthews
Background: The seroprevalence of human parvovirus-4 (PARV4) varies considerably by region. In sub-Saharan Africa, seroprevalence is high in the general population, but little is known about the transmission routes or the prevalence of coinfection with blood-borne viruses, HBV, HCV and HIV.  Methods: To further explore the characteristics of PARV4 in this setting, with a particular focus on the prevalence and significance of coinfection, we screened a cohort of 695 individuals recruited from Durban and Kimberley (South Africa) and Gaborone (Botswana) for PARV4 IgG and DNA, as well as documenting HIV, HBV and HCV status...
April 7, 2017: Wellcome Open Research
https://www.readbyqxmd.com/read/28493917/the-impact-of-hcv-therapy-in-a-high-hiv-hcv-prevalence-population-a-modeling-study-on-people-who-inject-drugs-in-ho-chi-minh-city-vietnam
#10
Ruthie B Birger, Thuy Le, Roger D Kouyos, Bryan T Grenfell, Timothy B Hallett
BACKGROUND: Human Immunodeficiency Virus (HIV) and Hepatitis C Virus (HCV) coinfection is a major global health problem especially among people who inject drugs (PWID), with significant clinical implications. Mathematical models have been used to great effect to shape HIV care, but few have been proposed for HIV/HCV. METHODS: We constructed a deterministic compartmental ODE model that incorporated layers for HIV disease progression, HCV disease progression and PWID demography...
2017: PloS One
https://www.readbyqxmd.com/read/28492776/tuberculosis-mortality-in-brazilian-capitals-2008-2010
#11
Roger Flores Ceccon, Rosana Maffacciolli, Andréia Burille, Stela Nazareth Meneghel, Dora Lúcia Leidens Correa de Oliveira, Tatiana Engel Gerhardt
OBJECTIVE: to analyze the association between tuberculosis mortality and socio-demographics and health indicators in the capitals of Brazilian states and the Federal District. METHODS: this is an ecological study whose outcome was the standardized coefficient of tuberculosis mortality in the 2008-2010 period; the independent variables comprised 16 indicators, grouped into three blocks; Pearson correlation test and multiple linear regression were applied for analysis...
April 2017: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/28492398/chronic-hepatitis-e-in-hiv-hbv-coinfected-patient-lack-of-power-of-sofosbuvir-ribavirin
#12
Eve Todesco, Sophie Demeret, Ruxandra Calin, Anne-Marie Roque-Afonso, Vincent Thibault, Vincent Mallet, Sepideh Akhavan, Marie Jaspard, Gilles Peytavin, Thierry Poynard, Christine Katlama, Valérie Pourcher
No abstract text is available yet for this article.
June 1, 2017: AIDS
https://www.readbyqxmd.com/read/28492391/hepatitis-c-virus-drives-increased-type-i-interferon-associated-impairments-associated-with-fibrosis-severity-in-antiretroviral-treatment-treated-hiv-1-hepatitis-c-virus-coinfected-individuals
#13
Morgane Griesbeck, Marc-Antoine Valantin, Karine Lacombe, Assia Samri-Hassimi, Julie Bottero, Catherine Blanc, Zineb Sbihi, Rima Zoorob, Christine Katlama, Marguerite Guiguet, Marcus Altfeld, Brigitte Autran
BACKGROUND: Viral coinfections might contribute to the increased immune activation and inflammation that persist in antiretroviral treatment (ART)-treated HIV-1 patients. We investigated whether the hepatitis C virus (HCV) coinfection contributes to such alterations by impairing the plasmacytoid dendritic cell (pDC) IFNα/TLR7 pathway in a highly homogeneous group of ART-treated HIV-1-HCV-coinfected patients. METHODS: Twenty-nine HIV-1-infected patients with fully suppressive ART were included, 15 of whom being HCV-coinfected with mild-to-moderate fibrosis and matched for their HIV-1 disease, and 13 control healthy donors...
June 1, 2017: AIDS
https://www.readbyqxmd.com/read/28489843/-non-cirrhotic-portal-hypertension-due-to-didanosina-a-rare-case
#14
María T Gamero, María Susana Gallardo, Víctor Aguilar, Eduar Bravo, Julissa Guevara, Fernando Mejia
Liver involvement is usually seen in patients infected with the human immunodeficiency virus (HIV), especially in patients coinfected with hepatitis B or C, in alcohol abuse, etc. However, there is a group of patients who develop liver involvement and portal hypertension of unspecified cause. Non-cirrhotic portal hypertension (NCPH) is a liver disorder recently described, but potentially serious. It has been reported in HIV-infected patients with highly active antiretroviral therapy (HAART), specifically didanosine (DDI)...
January 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/28488731/development-of-a-rectal-sexually-transmitted-infection-sti-model-in-rhesus-macaques-using-chlamydia-trachomatis-serovars-e-and-l2
#15
Tara R Henning, Monica Morris, Shanon Ellis, Kristen Kelley, Christi Phillips, Jana Ritter, Tara Jones, Eli Nachamkin, Cheng Y Chen, Jaeyoung Hong, Joseph Kang, Dorothy Patton, Janet McNicholl, John Papp, Ellen N Kersh
BACKGROUND: Rectal STI coinfection models enhance the understanding of rectal HIV transmission risk factors. MATERIALS AND METHODS: Rhesus macaques (n=9) were exposed to one of three rectal Chlamydia trachomatis (CT) challenges: C. trachomatis L2 (CT-L2 ); C. trachomatis serovar E (CT-E), followed by CT-L2 ; or CT-E, treatment/clearance, then CT-L2 . Infections were monitored by PCR. Weekly blood and rectal secretion/lavage samples were collected for cytokine analyzes and/or epithelial sloughing, occult, and overt blood determinations...
May 10, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28484111/liver-fibrosis-after-antiretroviral-therapy-in-a-longitudinal-cohort-of-sexually-infected-hiv-patients-in-eastern-china
#16
Qian Wei, Haijiang Lin, Yingying Ding, Xing Liu, Qionghai Wu, Weiwei Shen, Meiyang Gao, Na He
We assessed the factors that influenced improvement or progression in human immunodeficiency virus (HIV)-infected patients who were receiving combination antiretroviral therapy (cART). This was a retrospective cohort study of HIV-infected patients receiving cART in Taizhou, Zhejiang, China, 2009-2015. Liver fibrosis was assessed by Fibrosis-4 (FIB-4) score. Improvement of liver fibrosis was defined as having > 30% decrease in FIB-4 from baseline, whereas progression of liver fibrosis was defined as having > 30% increase in FIB-4 score from baseline...
May 6, 2017: Bioscience Trends
https://www.readbyqxmd.com/read/28483724/seroprevalence-of-hepatitis-b-virus-and-hepatitis-c-virus-co-infection-among-people-living-with-hiv-aids-visiting-antiretroviral-therapy-centres-in-nepal-a-first-nationally-representative-study
#17
G Ionita, A Malviya, R Rajbhandari, W William Schluter, G Sharma, S Kakchapati, S Rijal, S Dixit
OBJECTIVES: To assess the prevalence of human immunodeficiency virus (HIV), hepatitis C virus (HCV), and hepatitis B virus (HBV) co-infections among people living with HIV (PLHIV) in Nepal. METHODS: A sample of 677 PLHIV representing key affected populations (KAP) in Nepal, who were undergoing antiretroviral (ART) therapy in ART clinics around the country, were voluntarily enrolled in the study. Rapid kit-based testing followed by ELISA for validation was performed, focusing on HBV surface antigen (HBsAg) and antibodies against HCV (anti-HCV)...
May 5, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28482168/retrospective-study-of-hepatitis-c-outcomes-and-treatment-in-hiv-co-infected-persons-from-the-australian-hiv-observational-database
#18
Rainer Puhr, Stephen T Wright, Jennifer F Hoy, David J Templeton, Nicolas Durier, Gail V Matthews, Darren Russell, Matthew G Law
Background: The widespread availability of direct-acting antivirals (DAAs) is expected to drastically improve the treatment uptake and cure rate of hepatitis C virus (HCV). In this paper, rates of and factors associated with HCV treatment uptake and cure in the HIV co-infected population in Australia were assessed before access to DAAs. Methods: The medical records of patients in the Australian HIV Observational Database who were reported to be HCV antibody positive from 1999 to 2014 were reviewed for HCV treatment data...
May 9, 2017: Sexual Health
https://www.readbyqxmd.com/read/28482020/hiv-coinfection-influences-natural-selection-on-myobacterium-tuberculosis
#19
Joseph Caspermeyer
No abstract text is available yet for this article.
May 8, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28481774/a-common-anti-cmv-drug-ganciclovir-inhibits-hiv-1-replication-in-human-tissues-ex-vivo
#20
Christophe Vanpouille, Jean A Bernatchez, Andrea Lisco, Anush Arakelyan, Elisa Saba, Matthias Götte, Leonid Margolis
: Cytomegalovirus (CMV) is a common HIV-1 copathogen. Since CMV infection is an important contributor to immune activation, the driving force of HIV disease, an anti-CMV strategy might be beneficial to HIV-infected patients. Shin et al. reported that anti-CMV therapy with valganciclovir in coinfected individuals results in a decrease of HIV viral load that is not accompanied by a decrease of immune activation. This suggests an alternative mechanism for HIV inhibition other than suppression of CMV-mediated inflammation...
May 5, 2017: AIDS
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