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https://www.readbyqxmd.com/read/28813503/detectable-hiv-rna-in-semen-of-hiv-controllers
#1
Marie-Laure Chaix, Faroudy Boufassa, Candice Meyzer, Marianne Leruez-Ville, Nadia Mahjoub, Marie-Laure Nere, Philippe Genet, Claudine Duvivier, Caroline Lascoux-Combes, Olivier Lambotte, Jade Ghosn
BACKGROUND: Whether spontaneous low levels of HIV-1 RNA in blood plasma correlate with low levels of HIV-1 RNA in seminal plasma has never been investigated in HIV controller (HIC) men so far. METHODS: HIC men enrolled in the ANRS CODEX cohort were eligible for the present study if they had no symptoms of sexually transmitted infections (STI). Two paired samples of blood and semen were collected four weeks apart. HIV-RNA was quantified in blood plasma (bpVL) and in seminal plasma (spVL), and cell-associated HIV-DNA was quantified in peripheral blood mononuclear cells (PBMC) and in non-sperm cells (NSC)...
2017: PloS One
https://www.readbyqxmd.com/read/28813449/influenza-virus-infections-among-patients-attending-emergency-department-according-to-main-reason-to-presenting-to-ed-a-3-year-prospective-observational-study-during-seasonal-epidemic-periods
#2
Enrique Casalino, Stephanie Antoniol, Nadhira Fidouh, Christophe Choquet, Jean-Christophe Lucet, Xavier Duval, Benoit Visseaux, Laurent Pereira
OBJECTIVE: The role of influenza virus in patients presenting at ED during seasonal-epidemic periods has not previously been specified. Our objective was to determine its frequency according to clinical presentation. METHODS: This is a prospective observational study conducted during three-consecutive seasonal Influenza epidemics (2013-2015), including patients presenting i) community-acquired pneumonia (CAP); ii) severe acute symptoms (SAS): respiratory failure (RF), hemodynamic failure (HF), cardiac failure (CF), and miscellaneous symptoms (M); iii) symptoms suggesting influenza (PSSI)...
2017: PloS One
https://www.readbyqxmd.com/read/28812781/improving-the-quality-and-quantity-of-hiv-data-in-the-middle-east-and-north-africa-key-challenges-and-ways-forward
#3
EDITORIAL
Mohammad Karamouzian, Navid Madani, Fardad Doroudi, Ali Akbar Haghdoost
Although the HIV pandemic is witnessing a decline in the number of new infections in most regions of the world, the Middle East and North Africa (MENA) has a rapidly growing HIV problem. While generating HIV data has been consistently increasing since 2005, MENA's contribution to the global HIV literature is just over 1% and the existing evidence often falls behind the academic standards. Several factors could be at play that contribute to the limited quantity and quality of HIV data in MENA. This editorial tries to explore and explain the barriers to collecting high-quality HIV data and generating precise estimates in MENA...
August 23, 2016: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/28812054/influenza-a-virus-infection-and-nucleotide-sequencing-in-hiv-infected-children-a-case-report-and-review-of-literature
#4
Visal Moolasart, Suthat Chottanapund, Jarurnsook Ausavapipit, Srisuda Samadchai, Sirirat Likanonsakul, Sumonmal Uttayamakul, Somkid Srisopha, Don Changsom, Hatairat Lerdsamran, Pilaipan Puthavathana
No abstract text is available yet for this article.
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28811638/the-cpg-dinucleotide-content-of-the-hiv-1-envelope-gene-may-predict-disease-progression
#5
Mishi Kaushal Wasson, Jayanta Borkakoti, Amit Kumar, Banhi Biswas, Perumal Vivekanandan
The clinical course of HIV-1 varies greatly among infected individuals. Despite extensive research, virus factors associated with slow-progression remain poorly understood. Identification of unique HIV-1 genomic signatures linked to slow-progression remains elusive. We investigated CpG dinucleotide content in HIV-1 envelope gene as a potential virus factor in disease progression. We analysed 1808 HIV-1 envelope gene sequences from three independent longitudinal studies; this included 1280 sequences from twelve typical-progressors and 528 sequences from six slow-progressors...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811600/exploring-leishmania-secretory-proteins-to-design-b-and-t-cell-multi-epitope-subunit-vaccine-using-immunoinformatics-approach
#6
Nazia Khatoon, Rajan Kumar Pandey, Vijay Kumar Prajapati
Visceral leishmaniasis (VL) is a fatal form of leishmaniasis which affects 70 countries, worldwide. Increasing drug resistance, HIV co-infection, and poor health system require operative vaccination strategy to control the VL transmission dynamics. Therefore, a holistic approach is needed to generate T and B memory cells to mediate long-term immunity against VL infection. Consequently, immunoinformatics approach was applied to design Leishmania secretory protein based multi-epitope subunit vaccine construct consisting of B and T cell epitopes...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811349/brain-macrophages-in-simian-immunodeficiency-virus-infected-antiretroviral-suppressed-macaques-a-functional-latent-reservoir
#7
Claudia R Avalos, Celina M Abreu, Suzanne E Queen, Ming Li, Sarah Price, Erin N Shirk, Elizabeth L Engle, Ellen Forsyth, Brandon T Bullock, Feilim Mac Gabhann, Stephen W Wietgrefe, Ashley T Haase, M Christine Zink, Joseph L Mankowski, Janice E Clements, Lucio Gama
A human immunodeficiency virus (HIV) infection cure requires an understanding of the cellular and anatomical sites harboring virus that contribute to viral rebound upon treatment interruption. Despite antiretroviral therapy (ART), HIV-associated neurocognitive disorders (HAND) are reported in HIV-infected individuals on ART. Biomarkers for macrophage activation and neuronal damage in cerebrospinal fluid (CSF) of HIV-infected individuals demonstrate continued effects of HIV in brain and suggest that the central nervous system (CNS) may serve as a viral reservoir...
August 15, 2017: MBio
https://www.readbyqxmd.com/read/28811194/immunogenetic-studies-of-the-hepatitis-c-virus-infection-in-an-era-of-pan-genotype-antiviral-therapies-effective-treatment-is-coming
#8
Joel Henrique Ellwanger, Valéria de Lima Kaminski, Jacqueline Maria Valverde-Villegas, Daniel Simon, Vagner Ricardo Lunge, José Artur Bogo Chies
What are the factors that influence human hepatitis C virus (HCV) infection, hepatitis status establishment, and disease progression? Firstly, one has to consider the genetic background of the host and HCV genotypes. The immunogenetic host profile will reflect how each infected individual deals with infection. Secondly, there are environmental factors that drive susceptibility or resistance to certain viral strains. These will dictate (I) the susceptibility to infection; (II) whether or not an infected person will promote viral clearance; (III) the immune response and the response profile to therapy; and (IV) whether and how long it would take to the development of HCV-associated diseases, as well as their severity...
August 12, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28811159/implementing-and-scaling-up-hcv-treatment-services-for-people-who-inject-drugs-and-other-high-risk-groups-in-ukraine-an-evaluation-of-programmatic-and-treatment-outcomes
#9
Alyona Mazhnaya, Anna Meteliuk, Tetiana Barnard, Alexei Zelenev, Sergii Filippovych, Frederick L Alticec
BACKGROUND: HCV prevalence estimates among people who inject drugs (PWID) in Ukraine is high (60-90%), yet barriers to HCV treatment and care remain substantial including limited access to direct acting antiviral (DAA) medications. A feasibility scale-up project implemented HCV treatment in community-based settings to improve access to DAA treatment for key populations in this context. METHODS: Using program-level data and verified medical records, we describe the development, implementation processes and outcomes for HCV treatment for PWID and other risks groups...
August 12, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28810810/reduced-expression-of-siglec-7-nkg2a-and-cd57-on-terminally-differentiated-cd56-cd16-nk-cell-subset-is-associated-with-nk-cell-dysfunction-in-chronic-hiv-1-clade-c-infection
#10
Michael Zulu, Kewreshini Naidoo, Zenele Mncube, Manjeetha Jaggernath, Philip Jr Goulder, Thumbi Ndung'u, Marcus Altfeld, Christina Fanesa Thobakgale
BACKGROUND: HIV-1 viremia has been shown to induce several phenotypic and functional abnormalities in natural killer (NK) cells. To assess immune defects associated with HIV viremia, we examined NK cell function, differentiation status and phenotypic alterations based on expression of inhibitory and activating receptors on NK cells in HIV-1 subtype C chronically infected participants from Durban, South Africa. METHODS: NK cell phenotypic profiles were characterized by assessing Siglec-7, NKG2A and NKG2C markers on frozen peripheral blood mononuclear cells (PBMCs) from viremic, antiretroviral therapy (ART)-naïve HIV-1 chronically infected participants (n=23), HIV-1 chronically infected participants who have been on combination antiretroviral therapy (cART) for at least 12 months (n=23) compared to healthy donors (n=23)...
August 16, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28810669/hiv-status-disclosure-facility-based-delivery-and-postpartum-retention-of-mothers-in-a-prevention-clinical-trial-in-rural-nigeria
#11
Kidane A Sarko, Meridith Blevins, Aimalohi A Ahonkhai, Carolyn M Audet, Troy D Moon, Usman I Gebi, Ahmed M Gana, C William Wester, Sten H Vermund, Muktar H Aliyu
Background: Within the context of a cluster randomized prevention of mother-to-child HIV transmission (PMTCT) trial, we evaluated the impact of disclosure on selected PMTCT continuum of care measures. Methods: In 12 rural matched-pair clinics randomly assigned to an intervention package versus standard-of-care, we enrolled 372 HIV-infected pregnant women from April 2013 to March 2014. This secondary analysis included 327 (87.9%) women with unknown HIV status or who were treatment naïve at presentation to antenatal care...
July 1, 2017: International Health
https://www.readbyqxmd.com/read/28810466/mediation-of-an-efficacious-hiv-risk-reduction-intervention-for-adolescents-a-cluster-randomised-controlled-trial
#12
Alexandra Morales, José P Espada, Mireia Orgilés
The 'Cuidate' programme for adolescents in Spain has proven to be effective for promoting healthy sexuality ( N = 626), but the mechanisms underlying its effects are unknown. This study aimed to identify mediators of the intervention's effects compared to a control group. Participants were students from five areas of Spain, who completed baseline, immediate-posttest, 12-month and 24-month follow-up assessments. Mediation analyses revealed that 'Cuidate' positively affected consistent condom use indirectly through knowledge in serial with the intention to use condoms...
June 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28810400/an-event-level-examination-of-successful-condom-negotiation-strategies-among-young-women
#13
Courtney Peasant, Erika A Montanaro, Trace S Kershaw, Gilbert R Parra, Nicole H Weiss, Jaimie P Meyer, James G Murphy, Tiarney D Ritchwood, Tami P Sullivan
This study examines the effect of condom negotiation strategies on condom use and partner type and substance use before sex as moderators of strategy effectiveness. Women reported their daily sexual behavior during the last month. Withholding sex was more strongly associated with condom use when utilized with a non-casual sex partner. Directly requesting condom use was more strongly and using deceptive reasons to influence condom use was less strongly related to condom use during substance use. Results underscore the importance of understanding the contexts in which condom negotiation strategies are successful in order to improve HIV/sexually transmitted infection prevention efforts among women...
January 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28810166/humanized-mouse-models-of-latent-hiv-infection
#14
REVIEW
Maud Deruaz, Andrew M Tager
Antiretroviral therapy can efficiently control HIV viral replication, resulting in low viral loads and sustained CD4(+) T cell counts in HIV-infected persons. However, fast viral rebound occurs in most infected persons when therapy is interrupted. The principal component of persistent infection is a latent but replication-competent HIV reservoir. The long half-life of this reservoir is a major barrier to cure, and its elimination is the target of important research efforts. Animal models that can recapitulate this aspect of human infection are needed to examine the HIV reservoir in tissues in vivo, and to test eradication strategies...
August 12, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28809774/high-prevalence-of-concurrent-male-male-partnerships-in-the-context-of-low-human-immunodeficiency-virus-testing-among-men-who-have-sex-with-men-in-bamako-mali
#15
Avi Hakim, Padmaja Patnaik, Nouhoum Telly, Tako Ballo, Bouyagui Traore, Seydou Doumbia, Maria Lahuerta
BACKGROUND: Concurrent male-male sexual partnerships have been understudied in sub-Saharan Africa and are especially important because human immunodeficiency virus (HIV) prevalence and acquisition probability are higher among men who have sex with men (MSM) than among heterosexual men and women. METHODS: We conducted a respondent-driven sampling survey of 552 men who have sex with men in Bamako, Mali from October 2014 to February 2015. Eligibility criteria included 18 years or older, history of oral or anal sex with another man in the last 6 months, residence in or around Bamako in the last 6 months, ability to communicate in French...
September 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28809773/a-macaque-model-for-rectal-lymphogranuloma-venereum-and-non-lymphogranuloma-venereum-chlamydia-trachomatis-impact-on-rectal-simian-human-immunodeficiency-virus-acquisition
#16
Sundaram Ajay Vishwanathan, Rachael D Aubert, Monica R Morris, Chunxia Zhao, Christi Philips, George M Khalil, Frank Deyounks, Kristen Kelley, Jana M Ritter, C Y Chen, Ellen N Kersh, Janet M McNicholl
BACKGROUND: Sustained genital tract inflammation caused by sexually transmitted infections (STIs) is known to increase risk of vaginal human immunodeficiency virus (HIV) infections but, to our knowledge, there are no nonhuman primate studies that have evaluated its link to rectal HIV acquisition. METHODS: Rhesus macaques inoculated with Chlamydia trachomatis (CT) (serovars LGV-L2 and CT-E; n = 7) or saline (n = 7) received up to 20 rectal challenges twice a week of simian/HIV immunodeficiency virus (SHIVSF162p3)...
September 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28809771/efficacy-of-human-immunodeficiency-virus-sexually-transmitted-infection-trial-on-condom-use-among-heterosexual-men-patronizing-entertainment-establishments-who-engaged-in-casual-or-paid-sex-in-singapore
#17
Raymond Boon Tar Lim, Dede Kam Tyng Tham, Bee Choo Tai, P Ganesan Adaikan, Mee Lian Wong
BACKGROUND: We assessed the efficacy of a multi-component sexual health promotion program on condom use and human immunodeficiency virus (HIV)/sexually transmitted infection (STI) testing among heterosexual men (HSM) patronizing entertainment establishments who engaged in casual or paid sex in Singapore. METHODS: This was a quasi-experimental trial with a comparison group using cross-sectional surveys at baseline and 6 months postintervention. A locality patronized by local HSM was assigned the intervention, a comparable and distant area served as the comparison site...
September 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28809620/pancreatitis-in-a-high-hiv-prevalence-environment
#18
Frank Anderson, Sandie R Thomson
BACKGROUND: Acute pancreatitis is common in HIV-positive individuals in reports from regions with a low incidence of HIV infection. This association has not been reported in areas with a high incidence of HIV infection. OBJECTIVE: To examine the prevalence and outcomes of HIV-associated acute pancreatitis in a high HIV prevalence environment, and trends over the period May 2001 - November 2010. METHODS: The records of patients admitted with acute pancreatitis from 2001 to 2010 were reviewed, looking for HIV status, CD4 counts and medications at presentation...
July 28, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28809619/the-effect-of-hiv-status-on-clinical-outcomes-of-surgical-sepsis-in-kwazulu-natal-province-south-africa
#19
Samantha Green, Victor Y Kong, Jocinta Odendaal, Benn Sartorius, Damian L Clarke, Petra Brysiewicz, Jereme L Bruce, Grant L Laing, Wanda Bekker
BACKGROUND: KwaZulu-Natal Province, South Africa (SA), has long been the epicentre of the HIV epidemic, but the impact of HIV co-infection on the clinical outcomes of emergency surgical patients with sepsis remains largely unknown. OBJECTIVE: To review our experience with the management of patients with HIV co-infection and to compare the disease spectrum and outcome with those without HIV infection. METHODS: A retrospective study was undertaken at the Pietermaritzburg Metropolitan Surgical Service (PMSS), SA over a 5-year period from January 2010 to December 2014...
July 28, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28809479/natural-seminal-amyloids-as-targets-for-development-of-synthetic-inhibitors-of-hiv-transmission
#20
Daniel A Sheik, Stephen Dewhurst, Jerry Yang
Amyloids refer to a class of protein or peptide aggregates that are heterogeneous in size, morphology, and composition, and are implicated to play a central role in many neurodegenerative and systemic diseases. The strong correlation between biological activity and extent of aggregation of amyloidogenic proteins and peptides has led to an explosion of research efforts to target these materials with synthetic molecules or engineered antibodies to try to attenuate their function in disease pathology. Although many of these efforts to attenuate amyloid function have shown great promise in laboratory settings, the vast majority of work has been focused on targeting amyloids associated with neurologic diseases, which has been met with significant additional challenges that preclude clinical evaluation...
August 15, 2017: Accounts of Chemical Research
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