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https://www.readbyqxmd.com/read/28935575/non-pathological-infection-of-macaques-by-an-attenuated-mycobacterial-vaccine-is-not-reactivated-in-the-setting-of-hiv-coinfection
#1
Taylor Wayne Foreman, Ashley Victoria Veatch, Denae Nadine LoBato, Peter John Didier, Lara Angela Doyle-Meyers, Kasi Elizabeth Russell-Lodrigue, Andrew Alan Lackner, Konstantin Gus Kousoulas, Shabaana Abdul Khader, Deepak Kaushal, Smriti Mehra
Failure to replace BCG with efficacious anti-TB vaccines have prompted out-of-the-box thinking, including pulmonary vaccination in order to elicit local immunity. MtbΔsigH, a stress-response attenuated strain, protected against lethal TB when used to vaccinate macaques via inhalation. While live mycobacterial vaccines show promising efficacy, HIV co-infection and the resulting immunodeficiency prompts safety concerns about their use. We assessed the persistence and safety of MtbΔsigH, delivered directly to the lungs, in the setting of HIV coinfection...
September 18, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28934422/low-frequency-of-acquired-isoniazid-and-rifampicin-resistance-in-rifampicin-susceptible-pulmonary-tuberculosis-in-a-setting-of-high-hiv-1-infection-and-tuberculosis-coprevalence
#2
Neesha Rockwood, Frederick Sirgel, Elizabeth Streicher, Robin Warren, Graeme Meintjes, Robert J Wilkinson
Background: We estimated the incidence of acquired isoniazid and rifampicin resistance in rifampicin-susceptible tuberculosis in a setting of high human immunodeficiency virus type 1 (HIV-1) infection and tuberculosis coprevalence. Methods: GeneXpert MTB/RIF-confirmed patients with rifampicin-susceptible tuberculosis were recruited at antituberculosis treatment initiation in Khayelitsha, South Africa. Liquid culture and adherence assessment were performed at 2 and 5-6 months...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28934217/elevated-humoral-response-to-cytomegalovirus-in-hiv-infected-individuals-with-poor-cd4-t-cell-immune-recovery
#3
Elisabet Gómez-Mora, Marta Massanella, Elisabet García, David Giles, Marta Bernadó, Victor Urrea, Jorge Carrillo, Dan Ouchi, Jordi Puig, Eugenia Negredo, Bonaventura Clotet, Julià Blanco, Cecilia Cabrera
Some HIV-infected c-ART-suppressed individuals show incomplete CD4+ T-cell recovery, abnormal T-cell activation and higher mortality. One potential source of immune activation could be coinfection with cytomegalovirus (CMV). IgG and IgM levels, immune activation, inflammation and T-cell death in c-ART-suppressed individuals with CD4+ T-cell counts >350 cells/μL (immunoconcordant, n = 133) or <350 cells/μL (immunodiscordant, n = 95) were analyzed to evaluate the effect of CMV humoral response on immune recovery...
2017: PloS One
https://www.readbyqxmd.com/read/28931691/vertical-transmission-of-hepatitis-c-virus-variable-transmission-bottleneck-and-evidence-of-mid-gestation-in-utero-infection
#4
Sébastien Fauteux-Daniel, Ariane Larouche, Virginie Calderon, Jonathan Boulais, Chanel Béland, Doris G Ransy, Marc Boucher, Valérie Lamarre, Normand Lapointe, Isabelle Boucoiran, Armelle Le Campion, Hugo Soudeyns
Hepatitis C virus (HCV) can be transmitted from mother to child during pregnancy and childbirth. However, the timing and precise biologic mechanisms that are involved in this process are incompletely understood, as are the determinants that influence transmission of particular HCV variants. Here we report results of a longitudinal assessment of HCV quasispecies diversity and composition in 5 cases of vertical HCV transmission, including 3 women coinfected with HIV-1. The population structure of HCV variant spectra based on E2 envelope gene sequences (nucleotide positions 1491-1787), including hypervariable regions 1 and 2, was characterized using next-generation sequencing and median joining network analysis...
September 20, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28928173/cohort-profile-of-a-study-on-outcomes-related-to-tuberculosis-and-antiretroviral-drug-concentrations-in-uganda-design-methods-and-patient-characteristics-of-the-south-study
#5
Christine Sekaggya-Wiltshire, Barbara Castelnuovo, Amrei von Braun, Joseph Musaazi, Daniel Muller, Allan Buzibye, Ursula Gutteck, Lars Henning, Bruno Ledergerber, Natascia Corti, Mohammed Lamorde, Jan Fehr, Andrew Kambugu
PURPOSE: Tuberculosis (TB) is a leading cause of death among people living with HIV in sub-Saharan Africa. Several factors influence the efficacy of TB treatment by leading to suboptimal drug concentrations and subsequently affecting treatment outcome. The aim of this cohort is to determine the association between anti-TB drug concentrations and TB treatment outcomes. PARTICIPANTS: Patients diagnosed with new pulmonary TB at the integrated TB-HIV outpatient clinic in Kampala, Uganda, were enrolled into the study and started on first-line anti-TB treatment...
September 18, 2017: BMJ Open
https://www.readbyqxmd.com/read/28926562/generics-for-the-treatment-of-hepatitis-c-in-monoinfected-and-hiv-coinfected-patients-pros-and-cons
#6
Dario Cattaneo, Alessandro Fossati, Chiara Resnati, Massimo Galli, Cristina Gervasoni
The treatment of hepatitis C virus in monoinfected and HIV-coinfected patients has greatly changed over recent years as a result of the introduction of direct-acting antiviral agents (DAAs), which have revolutionized clinical outcomes and led to sustained virological response rates above 90-95%. The discovery of new molecules and the subsequent competition between pharmaceutical companies, together with the negotiated price policies pursued by many national health systems, have led to a gradual reduction in the cost of DAAs, and expand their use to an increasing number of patients, including those with mild liver damage...
September 19, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28926561/mechanisms-of-accelerated-liver-fibrosis-in-hiv-hcv-coinfection
#7
Theofilos Chrysanthidis, Georgia Loli, Simeon Metallidis, Georgios Germanidis
Although there is evidence that HCV progresses rapidly in HIV/HCV coinfected patients in comparison with HCV monoinfected, the HIV-, HCV- and host/genetic-related factors, as well as the exact mechanisms implicated in this process are not fully elucidated. Furthermore, cure of HCV in those coinfected seems possible with the new antiviral drugs, but high cost as well as insufficient identification, linkage with care and treatment hamper the achievement of this goal. Research on the subject, could reveal an important prognostic marker for the effectiveness of persuasion of patients with HIV/HCV coinfection with a predicted accelerated fibrosis course, in order to facilitate and prioritize, not in terms of guidelines but in the real life situation, their treatment with a medically just framework...
September 19, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28921677/clinical-profile-of-hepatitis-c-virus-infection-in-a-developing-country-india
#8
Ramit Mahajan, Vandana Midha, Omesh Goyal, Varun Mehta, Vikram Narang, Kirandeep Kaur, Arshdeep Singh, Dharmatma Singh, Rishu Bhanot, Ajit Sood
BACKGROUND: The epidemiology and clinical profile of hepatitis C virus (HCV) varies worldwide and data from developing countries is sparse. AIMS: To study the clinical profile of HCV infection in a developing country in South East Asia (India). METHODS: This observational study assessed patient demographics, viral characteristics, risk factors for virus acquisition and disease characteristics in HCV patients diagnosed between January 2004 and December 2015...
September 18, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28919720/text-messaging-to-decrease-tuberculosis-treatment-attrition-in-tb-hiv-coinfection-in-uganda
#9
Sabine M Hermans, Sawsan Elbireer, Harriet Tibakabikoba, Bas J Hoefman, Yukari C Manabe
BACKGROUND: Low tuberculosis (TB) treatment completion rates in sub-Saharan Africa are an important driver of multidrug resistance. Mobile technology-based interventions have been shown to improve adherence to antiretroviral therapy in sub-Saharan Africa. We aimed to test the effect of a short-message service (SMS) intervention on loss to follow-up (LFU). MATERIALS AND METHODS: In this quasi-experimental study, all adult, literate, HIV-infected patients with mobile phone access diagnosed with TB between November 2010 and October 2011 in an urban clinic in Uganda were eligible to receive adherence and appointment reminders and educational quizzes during the first 8 weeks of TB treatment...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/28914079/co-infection-of-human-herpesvirus-type-2-hhv-2-and-human-immunodeficiency-virus-hiv-among-pregnant-women-in-rio-de-janeiro-brazil
#10
Lyana Rodrigues Pinto Lima, Luis Eduardo Barros Costa Fernandes, Daniel A M Villela, Mariza Gonçalves Morgado, José Henrique Pilotto, Vanessa Salete de Paula
Pregnant women who are infected with the Human Immunodeficiency Virus (HIV) are particularly vulnerable to severe and recurrent infections with Human Herpesvirus 2 (HHV-2). Neonatal transmission of HHV-2 has been associated with malformations and neurological sequelae in infants, which makes it very important to perform antenatal monitoring for genital herpes. In the study, 134 pregnant women infected with HIV were tested for HHV-2 IgM and IgG using an enzyme-linked immunosorbent assay (ELISA) and had HHV-2 DNA analyzed by Real Time Polymerase Chain Reaction (qPCR)...
September 15, 2017: AIDS Care
https://www.readbyqxmd.com/read/28902679/brief-report-peripheral-monocyte-macrophage-phenotypes-associated-with-the-evolution-of-cognitive-performance-in-hiv-infected-patients
#11
Massimiliano Fabbiani, Antonio Muscatello, Paolo Perseghin, Marco Bani, Arianna Incontri, Nicola Squillace, Giuseppe Lapadula, Andrea Gori, Alessandra Bandera
BACKGROUND: The contribution of monocyte activation in the development of HIV-associated neurocognitive disorders is not completely understood. This study aimed to explore the predictive value of peripheral monocyte/macrophage (M/M) phenotypes on the evolution of cognitive performance in a population of virologically suppressed HIV-infected patients. SETTING: Prospective, observational, longitudinal study. METHODS: HIV-1-infected patients with HIV-RNA <50copies/mL for >12 months underwent neuropsychological examination at baseline and after 1 year...
October 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28902678/brief-report-high-need-to-switch-cart-or-comedication-with-the-initiation-of-daas-in-elderly-hiv-hcv-coinfected-patients
#12
Elise J Smolders, Colette Smit, Clara T M M de Kanter, Anton S M Dofferiiof, Joop E Arends, Kees Brinkman, Bart Rijnders, Marc van der Valk, Peter Reiss, David M Burger
BACKGROUND: To describe the use of nonantiretroviral comedication and combination antiretroviral therapy (cART) in patients coinfected with HIV/hepatitis C virus (HCV) and to predict the potential for drug-drug interactions (DDIs) with direct-acting antivirals (DAAs) against HCV. METHODS: This is a retrospective, cross-sectional study, using the Dutch, nationwide ATHENA observational HIV cohort database. All patients with a known HIV/HCV coinfection on January 1, 2015, were included...
October 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28902293/characterization-of-leishmania-l-infantum-chagasi-in-visceral-leishmaniasis-associated-with-hiv-co-infection-in-northeastern-brazil
#13
Elaine Cristina Bomfim de Lima, Walter Lins Barbosa, Maria Edileuza Felinto de Brito, Fábio Lopes de Melo, Sinval Pinto Brandão, Zulma Maria de Medeiros
Visceral leishmaniasis, associated with HIV/AIDS coinfection, is becoming a more aggressive disease, complicating an accurate prognosis. A 21-year-old HIV-positive female presenting with clinical features of visceral leishmaniasis was enrolled in this study. Bone marrow cytology, Novy-MacNeal-Nicolle culture and kDNA PCR of peripheral blood were all positive. Typing methods, multilocus enzyme electrophoresis and ITS1-RFLP PCR of peripheral blood confirmed infection by Leishmania (L.) infantum chagasi . PCR has proved to be safer and more affordable than other characterization methods; ITS1-RFLP PCR can diagnose and type Leishmania spp...
August 24, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28886092/prediction-of-long-term-outcomes-of-hiv-infected-patients-developing-non-aids-events-using-a-multistate-approach
#14
Mar Masiá, Sergio Padilla, Santiago Moreno, Xavier Barber, Jose A Iribarren, Jorge Del Romero, Juan L Gómez-Sirvent, María Rivero, Francesc Vidal, Antonio A Campins, Félix Gutiérrez
OBJETIVES: Outcomes of people living with HIV (PLWH) developing non-AIDS events (NAEs) remain poorly defined. We aimed to classify NAEs according to severity, and to describe clinical outcomes and prognostic factors after NAE occurrence using data from CoRIS, a large Spanish HIV cohort from 2004 to 2013. DESIGN: Prospective multicenter cohort study. METHODS: Using a multistate approach we estimated 3 transition probabilities: from alive and NAE-free to alive and NAE-experienced ("NAE development"); from alive and NAE-experienced to death ("Death after NAE"); and from alive and NAE-free to death ("Death without NAE")...
2017: PloS One
https://www.readbyqxmd.com/read/28876286/investigation-of-early-syphilis-trends-among-men-who-have-sex-with-men-to-identify-gaps-in-screening-and-case-finding-in-baltimore-city-maryland
#15
Christina M Schumacher, Errol Fields, Aruna Chandran, Omeid Heidari, Yvonne Kingon, Patrick Chaulk, Jacky M Jennings
BACKGROUND: Syphilis incidence is increasing across the United States among men who have sex with men (MSM). Early latent (EL) versus primary and secondary (P&S) syphilis may be an indicator of delayed diagnosis and increased opportunity for transmission. To inform syphilis control strategies and identify potential gaps in case finding, we described recent syphilis trends among MSM and compared characteristics of syphilis cases by diagnosis stage. METHODS: We used public health surveillance data on P&S and EL syphilis diagnoses reported to the Baltimore City Health Department between 2009 and 2015...
August 28, 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28874261/malignancies-and-infection-due-to-the-human-immunodeficiency-virus-are-these-emerging-diseases
#16
M E Valencia Ortega
Since the start of the human immunodeficiency virus (HIV) epidemic, tumour disease among patients has been significant. The collection of malignancies can be divided primarily into 2 groups: those associated with HIV (all of which are related to viral diseases) and those not associated with HIV (only some of which are associated with viral diseases). The origin of these malignancies is multifactorial, and the main causes that have led to an increase in tumour disease are immunosuppression, coinfection with oncogenic viruses and life prolongation secondary to the use of antiretroviral therapy...
September 2, 2017: Revista Clínica Española
https://www.readbyqxmd.com/read/28873394/systematic-review-of-clinical-trials-assessing-the-therapeutic-efficacy-of-visceral-leishmaniasis-treatments-a-first-step-to-assess-the-feasibility-of-establishing-an-individual-patient-data-sharing-platform
#17
Jacob T Bush, Monique Wasunna, Fabiana Alves, Jorge Alvar, Piero L Olliaro, Michael Otieno, Carol Hopkins Sibley, Nathalie Strub Wourgaft, Philippe J Guerin
BACKGROUND: There are an estimated 200,000 to 400,000 cases of visceral leishmaniasis (VL) annually. A variety of factors are taken into account when considering the best therapeutic options to cure a patient and reduce the risk of resistance, including geographical area, malnourishment and HIV coinfection. Pooled analyses combine data from many studies to answer specific scientific questions that cannot be answered with individual studies alone. However, the heterogeneity of study design, data collection, and analysis often makes direct comparison difficult...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28871259/syphilis-infection-differentially-regulates-the-phenotype-and-function-of-%C3%AE-%C3%AE-t-cells-in-hiv-1-infected-patients-depends-on-the-hiv-1-disease-stage
#18
Zhen Li, Xiaofan Lu, Zhiliang Hu, Zhenwu Luo, Wei Jiang, Hao Wu, Yanqing Gao, Junling Yan, Qiuyue Zhang, Aixin Song, Xiaojie Huang, Danlei Mou, Bin Su, Tong Zhang
A rapidly escalating outbreak of syphilis infection has been affected men who have sex with men, particularly those with HIV-1 infection. γδ T cells are unconventional immune cells with two main subsets, Vδ1 T cells and Vδ2 T cells, which possess a combination of innate and adaptive immune features allowing them against HIV-1. However, whether syphilis infection affects the phenotype and function of γδ T cells in HIV-1-infected patients remains unclear, especially in acute HIV-1 infection (AHI). In this study, we enrolled 57 HIV-1-infected patients (24 with HIV-1 infection only and 33 coinfected with syphilis) from an acute HIV-1-infected cohort in Beijing (PRIMO)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28861087/alanine-mutagenesis-in-the-complementarity-determining-region-3-of-the-mtb-and-hiv-1-peptide-bispecific-t-cell-receptor-beta-chain-affects-ligand-recognition
#19
Chao-Ying Zhou, Rui-Ning Wang, Qian Wen, Wen-Ting He, Shi-Meng Zhang, Xia-Lin Du, Jia-Hui Yang, Li Ma
Mycobacterium tuberculosis/human immunodeficiency virus (MTB/HIV) coinfection presents a special challenge to the prevention and treatment of tuberculosis and HIV/AIDS. Adoptive transfer of high-affinity T cell receptor (TCR) gene-modified T cells against MTB and HIV antigens is a promising approach to treating MTB/HIV coinfected patients whose cellular immunity is obviously disordered. We have previously successfully identified that a bispecific TCR screened out from peripheral blood mononuclear cells of a HLA-A*0201(+) healthy individual using the complementarity determining region 3 (CDR3) spectratype analysis recognizes both MTB Ag85B199-207 and HIV-1 Env120-128 peptide...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28851361/health-related-quality-of-life-of-hiv-infected-adults-with-and-without-visceral-leishmaniasis-in-northwest-ethiopia
#20
Mekuriaw Alemayehu, Mamo Wubshet, Nebiyu Mesfin, Aschalew Tamiru, Abebaw Gebayehu
BACKGROUND: Health-related quality of life (HRQoL) is an important outcome measure among HIV infected patients receiving antiretroviral therapy (ART). When HIV infected patients coinfected with Visceral Leishmaniasis (VL) the problem become severe because VL accelerates HIV replication and disease progression. The impact of VL on the quality of life of HIV infected patients has not been studied. In this study in Ethiopia, we compared the quality of life of HIV infected patients with and without VL...
August 30, 2017: Health and Quality of Life Outcomes
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