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Current HIV Research

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https://www.readbyqxmd.com/read/29046160/construction-and-production-of-hiv-vlp-harboring-mper-v3-for-potential-vaccine-study
#1
Tohidi Fatemeh, Sadat Seyed Mehdi, Bolhassani Azam, Yaghobi Ramin
Vaccine against HIV-1 is not currently available. In present, Virus like particles (VLPs) as effective strategy was used in several vaccine developing. Two conserved sequences; V3 loop of gp120 and the membrane-proximal external region (MPER) of gp41 are dominant sites for vaccine studies. In this study, we used fusion gene of MPER and V3 to product recombinant VLPs and introduced a novel retroviral VLPs harboring high copy of MPER-V3 for HIV-1 vaccine design. The pEGFP-N1 plasmid harboring MPER-V3 sequence with Vpr linker was constructed...
October 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/29046159/pilot-integration-of-hiv-screening-and-healthcare-settings-with-multi-component-social-network-and-partner-testing-for-hiv-detection
#2
Michael F Rentz, Andrew H Ruffner, Rachel M Ancona, Kimberly W Hart, John R Kues, Christopher M Barczak, Christopher J Lindsell, Carl J Fichtenbaum, Michael S Lyons
BACKGROUND: Healthcare settings screen broadly for HIV. Public health settings use social network and partner testing ("Transmission Network Targeting (TNT)") to select high-risk individuals based on their contacts. HIV screening and TNT systems are not integrated, and healthcare settings have not implemented TNT. OBJECTIVE: To evaluate pilot implementation of multi-component, multi-venue TNT in conjunction with HIV screening by a healthcare setting. METHODS: Our urban, academic health center implemented a TNT program in collaboration with the local health department for five months during 2011...
October 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28990535/voluntary-medical-male-circumcision-to-prevent-hiv-in-tanah-papua-indonesia-field-trial-to-assess-acceptability-and-feasibility
#3
M Ridwan Ansari, Elan Lazuardi, Frank Stephen Wignall, Constant Karma, Sylvanus A Sumule, Siti Nadia, Robert Magnani
BACKGROUND: Relatively little attention has been directed to the significant HIV prevention role that voluntary medical male circumcision (VMMC) can play in populations with moderate levels of HIV prevalence. One such location is Tanah Papua, Indonesia, which in 2013 had a general population HIV prevalence of 2.3% concentrated among indigenous Papuans (2.9% prevalence), very few of whom are circumcised. This article reports the findings of an implementation research study assessing the acceptability and feasibility of introducing VMMC for HIV prevention...
October 5, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28990534/association-between-vitamin-d-status-oxidative-stress-biomarkers-and-viral-load-in-human-immunodeficiency-virus-type-1-infection
#4
Tamires Flauzino, Andréa Nc Simão, Elaine Rd de Almeida, Helena K Morimoto, Sayonara R Oliveira, Daniela F Alfieri, Luiz T Ueda, Isaias Dichi, Edna Mv Reiche
BACKGROUND: The role of vitamin D in the pathophysiology of human immunodeficiency virus type 1 (HIV-1) infection is still unclear. OBJECTIVE: To evaluate the associations between vitamin D and immunological, virological, and oxidative stress biomarkers in individuals with human immunodeficiency virus type 1 (HIV-1) infection. METHODS: The serum levels of 25 hydroxyvitamin D [25(OH)D] were determined in 314 HIV-1-infected individuals and 127 controls and the values ≥30 ng/mL defined a vitamin D sufficient (VDS) status, and <30 ng/mL defined as hypovitaminosis D (HD)...
October 5, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28969557/impact-of-high-protein-intake-on-viral-load-and-hematological-parameters-in-hiv-infected-patients
#5
Evgeny Vlad Butorov
BACKGROUND: The impact of protein intake level leads to considerable alterations of the host essential amino acid profiles in the context of chronic viral infectious process. Amino acids play an important role in the pathogenesis of virus-related infections both as basic substrates for constant protein synthesis and as regulators in many metabolic pathways. The excess or deficiency of these host essential nutritional elements can play a limiting role in the life cycle of some viruses...
October 2, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28969567/long-term-treatment-with-raltegravir-is-associated-with-lowering-triglycerides-and-platelets-count-in-the-older-hiv-population-results-from-the-ral-age-study
#6
Paolo Pavone, Noemi Giustini, Caterina Fimiani, Francesca Paoletti, Mario Falciano, Alessandra Salotti, Fiorella Di Sora, Samir Al Moghazi, Ivano Mezzaroma, Vincenzo Vullo, Gabriella D'Ettorre
BACKGROUND: Raltegravir (RAL) is considered one of the better-tolerated antiretroviral medications, due to limited side effects and minimal drug-drug interactions. Matherials and Methods: We retrospectively evaluated 96 HIV+, over 60 years old, experienced patients who had switched from any antiretroviral drug to raltegravir-based nuc-sparing or standard nucleoside-backbone regimens. RESULTS: The median age of the patients was 66 years (IQR 10.5) (77 M, 19 F); the median time horizon of follow-up was 4 years (IQR 5)...
September 27, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28933280/prevalence-of-hiv-seropositivity-and-associated-impact-on-mortality-among-injured-patients-from-low-and-middle-income-countries-a-systematic-review-and-meta-analysis
#7
Adam R Aluisio, Soham Rege, Barclay T Stewart, John Kinuthia, Adam C Levine, Michael J Mello, Carey Farquhar
BACKGROUND: Although HIV and injury contribute substantially to disease burdens in low-and middle-income countries (LMIC), their intersection is poorly characterized. OBJECTIVE: This systematic review assessed the prevalence and associated mortality impact of HIV-seropositivity among injured patients in LMIC. METHODS: A systematic search of PubMed, EMBASE, Global Health, CINAHL, POPLINE and Cochrane databases through August 2016 was performed...
September 19, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28820066/mutational-impact-on-the-interaction-between-human-il27-and-gp130-in-silico-approach-for-defending-hiv-infection
#8
Arundhati Banerjee, Rakhi Dasgupta, Sujay Ray
INTRODUCTION: With advances in proteomics, it is essential to investigate the molecular-level participation of IL27 and gp130 to hinder HIV infection. Their interaction causes cell-cycle arrest in HIV+ cells by activating the receptor-associated JAK signaling and causing apoptosis of cancerous cells. METHODOLOGY: The best human wild-type WT_IL27 model was prepared after varied molecular modeling techniques. The vital tyrosine residues in WT_IL27 were identified, mutated and IL27 was re-modeled...
August 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28814231/hiv-type-1-integrase-natural-polymorphisms-in-viral-variants-circulating-in-fsu-countries
#9
Ilya Lapovok, Vita Laga, Elena Kazennova, Marina Bobkova
BACKGROUND: Natural variability of integrase (IN) across HIV-1 variants may influence the emergence of resistant viruses. The most apparent explanation of these fact is the IN polymorphism and the associated differences in codon usage, which, in turn, influence the probability and the terms of DRMs acquisition. Possible mechanisms by which polymorphisms affect DRMs emergence remain disputed and should still be clarified because these substitutions may be associated with a reduced activity of some INSTIs and may impact on ART regimen choice depending of HIV-1 subtype...
August 15, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28745207/hiv-drug-resistance-testing-in-a-resource-limited-setting-with-high-viral-diversity-the-first-twenty-eight-months-experience
#10
Elodie Teclaire Ngo-Malabo, Paul Alain Ngoupo, Serge Alain Sadeuh-Mba, Emmanuel Akongnwi, Robert Banaï, Laure Ngono, Richard Njouom, Charles Felix Bilong-Bilong, Anfumbom Kfutwah
BACKGROUND: First line antiretroviral therapy in a resource-limited setting consists of nucleotide and non-nucleotide reverse transcriptase inhibitors. Protease inhibitors are the hub of second line therapy. The decision to change antiretroviral therapy for a patient is frequently presumptive because of the lack of genotypic resistance tests in routine follow-up. We describe here the resistance profiles observed in patients with varying terms of antiretroviral therapy in Cameroon after implementation of HIV genotypic resistance testing in routine practice...
July 25, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28675993/deficient-phagocytosis-among-hiv-1-infected-adults-over-time-even-in-haart-setting
#11
Olga Tsachouridou, Lemonia Skoura, Dimitris Chatzidimitriou, Apostolia Margariti, Adamantini Georgiou, Maria Chatzidimitriou, Dimitrios Bougiouklis, Pantelis Zebekakis, Symeon Metallidis
BACKGROUND: Phagocytosis is regarded to be impaired in HIV-1 infected adults, leading to high frequency and severity of several infections in this population. Data is contradictory with regards to individual facets in HIV infection. OBJECTIVE: Aim of this study was to assess the phagocytic activity during the natural course of HIV infection. METHOD: It is a longitudinal study assessing natural course and impairment of neutrophil and monocyte phagocytosis in both naïve and HAART treated patients...
July 4, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28176645/prevention-interventions-for-people-living-with-hiv-in-military-settings
#12
Michael P. Grillo, Margo Sloan, Che Wankie, Kelly Woodland, Elizabeth Reader, Bruce Porter, Caroline A. Macera, Richard A. Shaffer
Background: Military HIV prevention programs and healthy living programs were developed in the mid-1980s to manage and support newly HIV-positive military personnel in the US military. Since then, a program developed by the Centers for Disease Control and Prevention with support from the Department of Defense HIV/AIDS Prevention Program (DHAPP), called Positive Health, Dignity and Prevention (PHDP), is currently being rolled out by DHAPP in partner militaries. The program, designed to reduce HIV transmission, is a package of interventions for people living with HIV (PLHIV), including risk reduction counseling, condom provision, disclosure counseling, testing of sexual partner(s) and children, adherence counseling, diagnosis and treatment of sexually transmitted infections, and provision of family planning services...
May 25, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28521724/hiv-risk-behavior-and-prevention-considerations-among-military-personnel-in-three-caribbean-region-countries-belize-barbados-and-the-dominican-republic
#13
Nakisa Asefnia, Lisa Cowan, Rose Werth
We review research findings and the limitations of recent qualitative and quantitative studies of HIV prevalence and risk behaviors in military populations in three Caribbean countries (Dominican Republic, Belize, and Barbados). This research shows how mental health issues, disordered substance use, and structuring aspects of the occupational field produce and reproduce patterns of risk behaviors. We discuss the use of formative research, the Positive Health, Dignity, and Prevention framework, and the use of implementation science (including research methods that employ alternative methodological assumptions to better elucidate both cultural nuances and unknown components of program impact in different military populations) as a means to tailor individual prevention strategies to military populations...
May 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28521721/the-importance-of-military-conscripts-for-surveillance-of-human-immunodeficiency-virus-infection-and-risk-behavior-in-thailand
#14
Kenrad Nelson, Ram Rangsin
BACKGROUND: The epidemic of human immunodeficiency virus (HIV) infection in Thailand began in 1988 among injection drug users (IDUs) in Bangkok. It soon spread to other populations, especially female sex workers (FSWs) and men attending STD clinics. Routine serologic surveillance for HIV began among military conscripts in 1991. The HIV seroprevalence data from military conscripts provided national surveillance data, since the entire population of 21 year old men were conscripted for 2 years' service in the military by a random process during which 10% of men were selected...
May 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28521717/analysis-of-site-heterogeneity-and-hiv-outcomes-across-rural-and-urban-study-sites-in-phidisa-ii-a-multi-site-randomized-controlled-antiretroviral-treatment-trial-in-a-south-african-military-cohort
#15
John Steytler, Pamela A Shaw, Alice K Pau, Paul Khabo, Gyan Joshi, Pieter Oelofse
BACKGROUND: Clinical trials frequently enroll subjects from different study sites. Few such studies provide analysis by individual site. Between 2004-2007, the South African Military Health System (SAMHS) established 6 research sites (3 urban, 3 rural) to build capacity for clinical research and HIV care. We explore differences in clinical, virologic and CD4 outcomes by site in the context of a randomized controlled trial. METHODS: Phidisa-II is the first randomised controlled trial conducted in the South African military setting, which compared 4 antiretroviral regimens in treatment-naïve advanced HIV subjects...
May 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28521716/building-a-successful-military-to-military-partnership-through-confronting-hiv-the-u-s-nigeria-experience
#16
Darrell E Singer, Robbie Nelson, C M Smith, Tahir O Umar, Ogbonnaya Simon Njoku
The Nigerian Ministry of Defence-Walter Reed Army Institute of Research partnership was established in 2004 in response to the growing HIV/AIDS epidemic in Nigeria. Here we discuss the emergence of HIV in Nigeria, highlighting the initial barriers to treatment delivery, and outline the origins of the international military-to-military partnership developed to confront the disease. With financial support from the United States President's Plan for AIDS Relief and Nigerian Government Counterpart Funding, we demonstrate how this program led to a successful and sustainable response in the fight against HIV in Nigeria...
May 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28176643/short-term-transfer-of-knowledge-assessment-in-the-military-international-hiv-training-program-mihtp
#17
Michael Grillo, Kelly Woodland, Gregory Talavera, Richard Shaffer, Stephanie Brodine
BACKGROUND: The Military International HIV Training Program (MIHTP) was established in 2002 to address the overwhelming needs of international military personnel concerning HIV and AIDS prevention, care, and treatment. The purpose of this study was to determine short-term knowledge transfer in trainees attending the MIHTP by comparing data collected from pre-training and posttraining knowledge assessments. METHODS: We used identical 40-question multiple choice pre-training and post-training assessments to determine the short-term transfer of knowledge of international HIV military physicians attending the MIHTP...
May 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28521725/hiv-and-syphilis-prevalence-and-associated-risks-in-the-cameroonian-armed-forces
#18
Michael Grillo, Bonnie Robin Tran, Ubald Tamoufe, Cyrille F Djoko, Karen Saylors, Kelly Woodland, Ltc Wangmene, Caroline Macera
BACKGROUND: Continued surveillance of the HIV epidemic is critical to monitor changes in trends and risk behaviors. A 2005 study in the Cameroonian Armed Forces (CAF) found an HIV prevalence of 11.3% among male and female service members. The purpose of the current study is to determine the 5-year change in the HIV prevalence, estimate the prevalence of syphilis, and examine factors associated with infection in the CAF. METHODS: Participants were male and female service members 18 years of age or older who were stationed at one of the 10 military garrisons selected for participation...
May 16, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28521723/hiv-aids-securitization-outcomes-and-current-challenges
#19
Aladdin H Shadyab, Braden R Hale, Richard A Shaffer
BACKGROUND: The securitization (i.e., framing of a health issue as a security threat) of HIV/AIDS by the United Nations Security Council in 2000 changed the belief that HIV/AIDS is only a health issue. Although now accepted that HIV/AIDS represents a security threat, the consequences of securitization are still not widely established. METHODS: The purpose of this paper was to present an evidence-based review of the outcomes and current challenges associated with HIV/AIDS securitization in the context of national security...
May 16, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28521722/prevalence-and-risk-factors-for-human-immunodeficiency-virus-hiv-and-syphilis-infections-among-military-personnel-in-sierra-leone
#20
Djeneba Audrey Djibo, Foday Sahr, J Allen McCutchan, Sonia Jain, Maria Rosario G Araneta, Stephanie K Brodine, Richard A Shaffer
CONTEXT: HIV and syphilis infections are common in military personnel in sub-Saharan Africa, which impact combat preparedness and increase demands on the military health care system. The prevalence of HIV is estimated at 1.5% among the general population (15-49 years of age) of Sierra Leone, and the estimated syphilis prevalence ranged from 1.5% to 5.2% based on regional studies. We examined the prevalence and risk factors for these two common sexually transmitted infections in the Sierra Leone military personnel...
May 16, 2017: Current HIV Research
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