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https://www.readbyqxmd.com/read/28225335/integrating-tuberculosis-screening-in-kenyan-prevention-of-mother-to-child-transmission-programs
#1
L M Cranmer, A Langat, K Ronen, C J McGrath, S LaCourse, J Pintye, B Odeny, B Singa, A Katana, L Nganga, J Kinuthia, G John-Stewart
BACKGROUND: Tuberculosis (TB) screening in Prevention of Mother-To-Child Transmission (PMTCT) programs is important to improve TB detection, prevention and treatment. METHODS: As part of a national PMTCT program evaluation, mother-infant pairs attending 6-week and 9-month immunization visits were enrolled at 141 maternal and child health clinics throughout Kenya. Clinics were selected using population-proportion-to-size sampling with oversampling in a high human immunodeficiency virus (HIV) prevalence region...
March 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28218480/human-leucocyte-antigen-hla-dqb1-03-02-and-hla-a-02-01-have-opposite-patterns-in-their-effects-on-susceptibility-to-hiv-infection
#2
N Rallón, C Restrepo, J L Vicario, J Del Romero, C Rodríguez, J García-Samaniego, M García, A Cabello, M Górgolas, J M Benito
OBJECTIVES: The objective of this study was to seek correlates of immune protection in HIV infection. We sought to elucidate the association between the presence of human leucocyte antigen (HLA) alleles, as well as killer immunoglobulin receptor (KIR) genotypes, and the susceptibility to HIV infection in a Spanish cohort of HIV-exposed seronegative (HESN) individuals. METHODS: A total of 152 individuals were evaluated: 29 HESN individuals in stable heterosexual relationships with an HIV-infected partner admitting high-risk sexual intercourse for at least 12 months prior to inclusion in the study, 61 HIV-infected patients and 62 healthy controls...
February 20, 2017: HIV Medicine
https://www.readbyqxmd.com/read/28212643/vertical-hiv-transmission-in-perinatally-exposed-infants-in-south-rift-region-of-kenya-a-retrospective-cross-sectional-study
#3
Everline Ashiono, Dunstan Achwoka, Jamlick Mutugi, Joel Rakwar, Andrew Wafula, Otto Nzapfurundi Chabikuli
BACKGROUND: Despite proven efficacy of the prevention mother-to-child transmission of HIV strategy, its adoption in Africa has remained slow. In Kenya, its effectiveness remain unknown. The aim of this study was to assess the effectiveness of a prevention of mother-to-child transmission program in Kenya. METHODS: This retrospective cross-sectional study analyzed 2,642 records of HIV-exposed infants who had a deoxyribonucleic acid polymerase chain reaction test done...
February 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28212307/antiretroviral-treatment-in-hiv-1-positive-mothers-neurological-implications-in-virus-free-children
#4
REVIEW
Antonio Victor Campos Coelho, Paola Maura Tricarico, Fulvio Celsi, Sergio Crovella
Since the worldwide introduction of antiretroviral therapy (ART) in human immunodeficiency virus type 1, HIV-1-positive mothers, together with HIV-1 testing prior to pregnancy, caesarian birth and breastfeeding cessation with replacement feeding, a reduction of HIV-1 mother-to-child transmission (MTCT) has been observed in the last few years. As such, an increasing number of children are being exposed in utero to ART. Several questions have arisen concerning the neurological effects of ART exposure in utero, considering the potential effect of antiretroviral drugs on the central nervous system, a structure which is in continuous development in the fetus and characterized by great plasticity...
February 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28203239/sublingual-priming-with-a-hiv-gp41-based-subunit-vaccine-elicits-mucosal-antibodies-and-persistent-b-memory-responses-in-non-human-primates
#5
Selma Bekri, Pierre Bourdely, Carmelo Luci, Nathalie Dereuddre-Bosquet, Bin Su, Frédéric Martinon, Véronique M Braud, Irene Luque, Pedro L Mateo, Sara Crespillo, Francisco Conejero-Lara, Christiane Moog, Roger Le Grand, Fabienne Anjuère
Persistent B cell responses in mucosal tissues are crucial to control infection against sexually transmitted pathogens like human immunodeficiency virus 1 (HIV-1). The genital tract is a major site of infection by HIV. Sublingual (SL) immunization in mice was previously shown to generate HIV-specific B cell immunity that disseminates to the genital tract. We report here the immunogenicity in female cynomolgus macaques of a SL vaccine based on a modified gp41 polypeptide coupled to the cholera toxin B subunit designed to expose hidden epitopes and to improve mucosal retention...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28202759/relationship-between-measures-of-hiv-reactivation-and-the-decline-of-latent-reservoir-under-latency-reversing-agents
#6
Janka Petravic, Thomas A Rasmussen, Sharon R Lewin, Stephen J Kent, Miles P Davenport
Antiretroviral-free HIV remission requires substantial reduction of the number of latently infected cells and enhanced immune control of viremia. Latency-reversing agents (LRA) aim to eliminate latently infected cells by increasing the rate of reactivation of HIV transcription, which exposes these cells to killing by the immune system. As LRA are explored in clinical trials, it becomes increasingly important to assess the effect of increased HIV reactivation rate on the decline of latently infected cells, and estimate LRA efficacy in increasing virus reactivation...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28198792/child-growth-according-to-maternal-and-child-hiv-status-in-zimbabwe
#7
Adetayo O Omoni, Robert Ntozini, Ceri Evans, Andrew J Prendergast, Lawrence H Moulton, Parul S Christian, Jean H Humphrey
BACKGROUND: Growth failure is common among HIV-infected infants, but there are limited data on the effects of HIV exposure or timing of HIV acquisition on growth. METHODS: 14110 infants were enrolled in the ZVITAMBO trial in Zimbabwe before the availability of antiretroviral therapy (ART) or co-trimoxazole. Anthropometric measurements were taken from birth through 12-24 months of age. Growth outcomes were compared between 5 groups of children: HIV-infected in utero (IU), intrapartum (IP) or postnatally (PN); HIV-exposed uninfected (HEU); and HIV-unexposed...
February 13, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28196049/hiv-infection-in-the-native-and-allograft-kidney-implications-for-management-diagnosis-and-transplantation
#8
Véronique Avettand-Fenoël, Christine Rouzioux, Christophe Legendre, Guillaume Canaud
The native kidney is a reservoir for HIV-1 and a site of viral replication, similar to lymphoid tissue, gut-associated lymphoid tissue or semen. The ability of the virus to persist may result from either a true latency or sequestration in an anatomic site that is not effectively exposed to antiretroviral therapy. The presence of HIV in kidney epithelial cells will lead progressively to end-stage renal disease. For decades, HIV-infected patients were excluded from consideration for kidney transplantation. Hemodialysis and peritoneal dialysis were the only forms of treatment available to these patients...
February 11, 2017: Transplantation
https://www.readbyqxmd.com/read/28181860/factors-associated-with-mother-to-child-transmission-of-hiv-despite-overall-low-transmission-rates-in-hiv-exposed-infants-in-rural-kenya
#9
Nicollate A Okoko, Kevin O Owuor, Jayne L Kulzer, George O Owino, Irene A Ogolla, Ronald W Wandera, Elizabeth A Bukusi, Craig R Cohen, Lisa L Abuogi
Despite the availability of efficacious prevention of mother-to-child transmission (PMTCT) interventions and improved access to preventive services in many developing countries, vertical HIV transmission persists. A matched case-control study of HIV-exposed infants between January and June 2012 was conducted at 20 clinics in Kenya. Cases were HIV-infected infants and controls were exposed, uninfected infants. Conditional logistic regression analysis was conducted to determine characteristics associated with HIV infection...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28181540/hiv-related-proteins-prolong-macrophage-survival-through-induction-of-triggering-receptor-expressed-on-myeloid-cells-1
#10
Zhihong Yuan, Xian Fan, Bashar Staitieh, Chetna Bedi, Paul Spearman, David M Guidot, Ruxana T Sadikot
Triggering receptor expressed on myeloid cells-1(TREM-1) is a member of the superimmunoglobulin receptor family. We have previously shown that TREM-1 prolongs survival of macrophages treated with lipoolysaccharide through Egr2-Bcl2 signaling. Recent studies suggest a role for TREM-1 in viral immunity. Human immunodeficiency virus-1 (HIV) targets the monocyte/macrophage lineage at varying stages of infection. Emerging data suggest that macrophages are key reservoirs for latent HIV even in individuals on antiretroviral therapy...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28173741/elimination-of-mother-to-child-transmission-of-hiv-lessons-learned-from-success-in-thailand
#11
Usa Thisyakorn
In 1988, the generalised HIV/AIDS epidemic in Thailand began and in the same year the first HIV-exposed infant in Thailand was born at King Chulalongkorn Memorial Hospital, Bangkok. From the early to mid-1990s, an epidemic wave of HIV-infected women and infants occurred. Heterosexual HIV transmission, as described in the Asian Epidemic Model, was the major mode of spread in Thailand, causing an increasing number of HIV-infected pregnant women. The early and concerted multi-sectoral response of Thai society reduced the prevalence of HIV infection in pregnant women from 2% in the mid-1990s to 0...
February 8, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28170424/generational-analysis-of-trends-in-unprotected-sex-in-france-among-men-who-have-sex-with-men-the-major-role-of-context-driven-evolving-patterns
#12
Nicolas Méthy, Laurence Meyer, Nathalie Bajos, Annie Velter
OBJECTIVE: Using a generational approach, this study analyses how unprotected anal intercourse has evolved since 1991 in France across different generations of men who have sex with men (MSM) whose sexual lives began at different periods in the history of the HIV epidemic. DESIGN: Data were collected from 18-59 year-old respondents to the French Gay Press surveys Enquêtes Presse Gay, conducted repeatedly between 1991 and 2011 (N = 32,196) using self-administered questionnaires distributed in gay magazines and over the internet...
2017: PloS One
https://www.readbyqxmd.com/read/28169874/impact-of-hiv-and-atiretroviral-therapy-on-neurocognitive-outcomes-among-school-aged-children
#13
Heena Brahmbhatt, Michael Boivin, Victor Ssempijja, Joseph Kagaayi, Godfrey Kigozi, David Serwadda, Avy Violari, Ronald H Gray
INTRODUCTION: The impact of HIV infection and antiretroviral therapy (ART) on neurocognitive outcomes among children aged 7 to 14 years was assessed. We hypothesized that ART would ameliorate neurocognitive sequelae of HIV infection. METHODS: HIV-positive and negative mother-child pairs from the Rakai Community Cohort Study (RCCS) and ART clinics in Rakai, Uganda were followed prospectively over 4 years. Exposures were stratified as: Perinatally HIV Infected (PHIV), Perinatally HIV Exposed but Uninfected (PHEU), and HIV Unexposed and Uninfected (HUU)...
February 6, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28164027/developmental-delay-and-behavioral-disorders-in-59-hiv-exposed-uninfected-infants
#14
Véronique Reliquet, Cécile Brunet-Cartier, Elise Launay, François Raffi
BACKGROUND: Antiretroviral therapy (ART) in HIV pregnant women has led to a dramatic decrease in the rate of HIV mother-to-child transmission but this benefit is counterbalanced with adverse effects related to in utero and neonatal exposure to ART. In 2013, some parents described neurodevelopmental disorders in their children. METHODS: A standardized letter was sent to the 133 women who delivered in Nantes hospital from 01/01/2003 to 31/12/2012 (167 births). RESULTS: Response rate was 33%...
January 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28162052/adjunctive-therapy-for-severe-hypoxic-pneumonia-in-hiv-infected-and-hiv-exposed-children-in-low-and-middle-income-countries
#15
P Goussard, R P Gie
No abstract text is available yet for this article.
February 6, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28158882/missed-opportunities-for-preventing-perinatal-transmission-of-human-immunodeficiency-virus-florida-2007-2014
#16
Mary Jo Trepka, Soumyadeep Mukherjee, Consuelo Beck-Sagué, Lorene M Maddox, Kristopher P Fennie, Diana M Sheehan, Maithri Prabhakar, Dan Thompson, Spencer Lieb
OBJECTIVES: Despite declining numbers of perinatally exposed infants, an increase in perinatal human immunodeficiency virus (HIV) infections from 2011 to 2013 prompted this study to identify missed perinatal HIV prevention opportunities. METHODS: Deidentified records of children born from 2007 through 2014, exposed to HIV perinatally, and reported to the Florida Department of Health were obtained. Crude relative risks (RRs) and 95% confidence intervals (CIs) for factors associated with perinatal transmission, nondiagnosis of maternal HIV infection, and nonreceipt of antiretroviral medication were calculated...
February 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28151945/antigenic-characterization-of-the-human-immunodeficiency-virus-hiv-1-envelope-glycoprotein-precursor-incorporated-into-nanodiscs
#17
Kristen C Witt, Luis Castillo-Menendez, Haitao Ding, Nicole Espy, Shijian Zhang, John C Kappes, Joseph Sodroski
The entry of human immunodeficiency virus (HIV-1) into host cells is mediated by the viral envelope glycoproteins (Envs), which are derived by the proteolytic cleavage of a trimeric gp160 Env precursor. The mature Env trimer is a major target for entry inhibitors and vaccine-induced neutralizing antibodies. Env interstrain variability, conformational flexibility and heavy glycosylation contribute to evasion of the host immune response, and create challenges for structural characterization and vaccine development...
2017: PloS One
https://www.readbyqxmd.com/read/28146163/adherence-to-the-follow-up-of-the-newborn-exposed-to-syphilis-and-factors-associated-with-loss-to-follow-up
#18
Marjorie Cristiane Feliz, Adeli Regina Prizybicien, Andrea Maciel Rossoni, Tony Tahnus, Adriane Miro Vianna Benke Pereira, Cristina Rodrigues
Introduction: All newborns exposed to syphilis in pregnancy must have outpatient follow-up. The interruption of this follow-up especially threatens those children who were not treated at birth. Objective: To describe the clinical, epidemiological, and sociodemographic characteristics of pregnant women with syphilis and their newborns, and to investigate the factors associated with the discontinuation of the follow-up. Methods: This is an observational, descriptive, analytical, and retrospective study of medical records of 254 children exposed to syphilis, who were assisted at the Congenital Infectious Clinic of the university hospital of the Universidade Federal do Paraná, between 2000 and 2010...
October 2016: Revista Brasileira de Epidemiologia, Brazilian Journal of Epidemiology
https://www.readbyqxmd.com/read/28145162/early-use-of-corticosteroids-in-infants-with-a-clinical-diagnosis-of-pneumocystis-jiroveci-pneumonia-in-malawi-a-double-blind-randomised-clinical-trial
#19
Laura Newberry, Bernadette O'Hare, Neil Kennedy, Andrew Selman, Sofia Omar, Pamela Dawson, Kim Stevenson, Yo Nishihara, Samantha Lissauer, Elizabeth Molyneux
BACKGROUND: Pneumocystis jiroveci pneumonia (PJP) is the most common opportunistic infection in infants with vertically acquired HIV infection and the most common cause of death in HIV-infected infants. OBJECTIVES: To determine whether early administration of adjuvant corticosteroids in addition to standard treatment reduces mortality in infants with vertically acquired HIV and clinically diagnosed PJP when co-infection with cytomegalovirus and other pathogens cannot be excluded...
February 1, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28143465/hiv-testing-and-prevention-among-foreign-born-men-who-have-sex-with-men-an-online-survey-from-sweden
#20
Susanne Strömdahl, Fredrik Liljeros, Anna Ekéus Thorson, Kristina Ingemarsdotter Persson, Birger C Forsberg
BACKGROUND: There is an increasing trend toward international migration worldwide. With it comes a challenge for public health and public funded health care systems to meet the migrating population's health needs. Men who have sex with men are a key population for HIV, contributing an estimated 42% of new HIV cases in Europe in 2013. HIV monitoring data suggest that foreign-born MSM are not only exposed to a high risk of HIV before migration but also while living in Sweden. The aim of this study is to examine HIV testing prevalence and uptake of HIV prevention interventions among foreign-born MSM living in Sweden...
January 31, 2017: BMC Public Health
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