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https://www.readbyqxmd.com/read/28541084/the-feasibility-of-automated-eye-tracking-with-the-early-childhood-vigilance-test-of-attention-in-younger-hiv-exposed-ugandan-children
#1
Michael J Boivin, Jonathan Weiss, Ronak Chhaya, Victoria Seffren, Jorem Awadu, Alla Sikorskii, Bruno Giordani
OBJECTIVE: Tobii eye tracking was compared with webcam-based observer scoring on an animation viewing measure of attention (Early Childhood Vigilance Test; ECVT) to evaluate the feasibility of automating measurement and scoring. Outcomes from both scoring approaches were compared with the Mullen Scales of Early Learning (MSEL), Color-Object Association Test (COAT), and Behavior Rating Inventory of Executive Function for preschool children (BRIEF-P). METHOD: A total of 44 children 44 to 65 months of age were evaluated with the ECVT, COAT, MSEL, and BRIEF-P...
May 25, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28539451/reducing-v3-antigenicity-and-immunogenicity-on-soluble-native-like-hiv-1-env-sosip-trimers
#2
Rajesh P Ringe, Gabriel Ozorowski, Kimmo Rantalainen, Weston B Struwe, Katie Matthews, Jonathan L Torres, Anila Yasmeen, Christopher A Cottrell, Thomas J Ketas, Celia C LaBranche, David C Montefiori, Albert Cupo, Max Crispin, Ian A Wilson, Andrew B Ward, Rogier W Sanders, P J Klasse, John P Moore
Native-like trimers of the SOSIP design are being developed as immunogens in human immunodeficiency virus type 1 (HIV-1) vaccine development programs. These trimers display the epitopes for multiple broadly neutralizing antibodies (bNAbs), but can also expose binding sites for some types of non-neutralizing antibodies (non-NAbs). Among the latter are epitopes in the gp120 V3 region that are highly immunogenic when SOSIP trimers are evaluated in animal models. It is presently uncertain whether antibodies against V3 can interfere with the induction of NAbs, but there are good arguments in favor of suppressing such "off-target" immune responses...
May 24, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28538901/sexually-transmitted-infections-and-pro-lives-based-on-a-clinical-report
#3
Paulo Eduardo Neves Ferreira Velho
Physicians are also responsible for the increase in sexually transmitted infections. We report a case of patient inadequately monitored, that shows the importance of physicians to take basic measures with any individual at risk of acquiring such infections. We propose the following mnemonic acrostic: PRO-LIVES (Protection: usual and proper codom use, Responsibility, Other orientations, Laboratory tests -HIV infection, syphilis and B and C hepatitis-, Immunization: B hepatitis vaccination, Various: at least two patients, Ensure: case history and physical examination, Single dose treatment: whenever possible)...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28537936/zidovudine-use-in-pregnancy-and-congenital-malformations-meta-analysis-and-bayesian-incorporation-of-medicaid-data
#4
Kathryn Rough, Jenny W Sun, George R Seage, Paige L Williams, Krista F Huybrechts, Brian T Bateman, Sonia Hernandez-Diaz
OBJECTIVE: There is inconsistent evidence that zidovudine use during pregnancy increases overall, cardiac, and male genital malformations. DESIGN: We conducted a systematic review and meta-analysis of zidovudine use and malformations and, using Bayesian methods, combined it with data from a cohort study of mother-infant pairs in the nationwide Medicaid Analytic eXtract (MAX). METHODS: Using MAX data (2000-2010), we identified pregnant women with HIV treated with antiretroviral therapy (ART)...
May 23, 2017: AIDS
https://www.readbyqxmd.com/read/28537061/dolutegravir-lamivudine-as-initial-therapy-in-hiv-1-infected-arv-naive-patients-48-week-results-of-the-paddle-pilot-antiretroviral-design-with-dolutegravir-lamivudine-study
#5
Pedro Cahn, María José Rolón, María Inés Figueroa, Ana Gun, Patricia Patterson, Omar Sued
INTRODUCTION: A proof-of-concept study was designed to evaluate the antiviral efficacy, safety and tolerability of a two-drug regimen with dolutegravir 50 mg once daily (QD) plus lamivudine 300 mg once daily as initial highly active antiretroviral therapy (HAART) among antiretroviral (ARV)-naive patients. METHODS: PADDLE is a pilot study including 20 treatment-naive adults. To be selected, participants had no IAS-USA-defined resistance, HIV-1 RNA ≤100,000 copies/mL at screening and negative HBsAg...
May 9, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28536653/infant-feeding-counseling-and-knowledge-are-the-key-determinants-of-prelacteal-feeding-among-hiv-exposed-infants-attending-public-hospitals-in-ethiopia
#6
Melaku Kindie Yenit, Haregewoyn Genetu, Amare Tariku
BACKGROUND: Despite the fact that breastfeeding promotes optimal health and growth for infants and young children, inappropriate feeding practice, such as prelacteal feeding increases the risk of neonatal death and illness and remains a public health problem in Ethiopia. Therefore, this study assessed the prevalence of prelacteal feeding and associated factors among HIV positive mothers with children aged 7-20 months attending government hospitals in North Gondar zone, northwest Ethiopia...
2017: Archives of Public Health, Archives Belges de Santé Publique
https://www.readbyqxmd.com/read/28536264/exosomes-from-uninfected-cells-activate-transcription-of-latent-hiv-1
#7
Robert A Barclay, Angela Schwab, Catherine DeMarino, Yao Akpamagbo, Benjamin Lepene, Seble Kassaye, Sergey Iordanskiy, Fatah Kashanchi
HIV-1 infection causes AIDS, infecting millions worldwide. The virus can persist in a state of chronic infection due to its ability to become latent. We have previously shown a link between HIV-1 infection and exosome production. Specifically, we have reported that exosomes transport viral proteins and RNA from infected cells to neighboring uninfected cells. These viral products could then elicit an innate immune response, leading to activation of the Toll-like receptor (TLR) and NF-κB pathways. In this study, we asked whether exosomes from uninfected cells could activate latent HIV-1 in infected cells...
May 23, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28534093/quality-of-life-among-perinatally-hiv-affected-and-hiv-unaffected-school-aged-and-adolescent-ugandan-children-a-multi-dimensional-assessment-of-wellbeing-in-the-post-haart-era
#8
A K Nkwata, S K Zalwango, F N Kizza, J N Sekandi, J Mutanga, M Zhang, P M Musoke, A E Ezeamama
OBJECTIVE: To examine quality of life (QOL) in perinatally HIV-infected (PHIV) or HIV-exposed uninfected (PHEU) vs. healthy HIV-unexposed uninfected (HUU) children during school-age/adolescence. METHODS: PHIV infection was diagnosed via DNA PCR. Current HIV status was confirmed by HIV rapid diagnostic test. Three HIV groups were defined: PHIV, PHEU, and HUU. QOL was assessed with proxy and self-report versions of the PedsQL™ 4.0 instrument at 6-18 years of age...
May 22, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28532283/the-feasibility-of-an-automated-eye-tracking-modified-fagan-test-of-memory-for-human-faces-in-younger-ugandan-hiv-exposed-children
#9
Ronak Chhaya, Jonathan Weiss, Victoria Seffren, Alla Sikorskii, Paula M Winke, Julius C Ojuka, Michael J Boivin
OBJECTIVE: The Fagan Test of Infant Intelligence (FTII) uses longer gaze length for unfamiliar versus familiar human faces to gauge visual-spatial encoding, attention, and working memory in infants. Our objective was to establish the feasibility of automated eye tracking with the FTII in HIV-exposed Ugandan infants. METHOD: The FTII was administered to 31 perinatally HIV-exposed noninfected (HEU) Ugandan children 6-12 months of age (11 boys; M = 0.69 years, SD = 0...
May 22, 2017: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/28531309/effect-of-antiretroviral-therapy-on-bone-and-renal-health-in-young-adults-infected-with-hiv-in-early-life
#10
Aylin B Unsal, Aviva S Mattingly, Sara E Jones, Julia B Purdy, James C Reynolds, Jeffrey B Kopp, Rohan Hazra, Colleen M Hadigan
Context: HIV antiretroviral (ARV) therapy is associated with renal and bone toxicity, but little is known about the potential cumulative effects in adults exposed to ARVs from birth. Objective: To prospectively evaluate renal and bone health in young adults with lifelong HIV and extensive ARV exposure. Design: Cross-sectional comparison of bone mineral density (BMD by dual-energy X-ray absorptiometry), bone turnover and renal function in young adults infected with HIV in early life (n=65) to matched healthy controls (n=23) and longitudinal evaluation (mean follow-up 4...
May 22, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28529205/effectiveness-and-safety-of-bedaquiline-containing-regimens-in-the-treatment-of-mdr-and-xdr-tb-a-multicentre-study
#11
Sergey E Borisov, Keertan Dheda, Martin Enwerem, Rodolfo Romero Leyet, Lia D'Ambrosio, Rosella Centis, Giovanni Sotgiu, Simon Tiberi, Jan-Willem Alffenaar, Andrey Maryandyshev, Evgeny Belilovski, Shashank Ganatra, Alena Skrahina, Onno Akkerman, Alena Aleksa, Rohit Amale, Janina Artsukevich, Judith Bruchfeld, Jose A Caminero, Isabel Carpena Martinez, Luigi Codecasa, Margareth Dalcolmo, Justin Denholm, Paul Douglas, Raquel Duarte, Aliasgar Esmail, Mohammed Fadul, Alexey Filippov, Lina Davies Forsman, Mina Gaga, Julia-Amaranta Garcia-Fuertes, José-María García-García, Gina Gualano, Jerker Jonsson, Heinke Kunst, Jillian S Lau, Barbara Lazaro Mastrapa, Jorge Lazaro Teran Troya, Selene Manga, Katerina Manika, Pablo González Montaner, Jai Mullerpattan, Suzette Oelofse, Martina Ortelli, Domingo Juan Palmero, Fabrizio Palmieri, Antonella Papalia, Apostolos Papavasileiou, Marie-Christine Payen, Emanuele Pontali, Carlos Robalo Cordeiro, Laura Saderi, Tsetan Dorji Sadutshang, Tatsiana Sanukevich, Varvara Solodovnikova, Antonio Spanevello, Sonam Topgyal, Federica Toscanini, Adrian R Tramontana, Zarir Farokh Udwadia, Pietro Viggiani, Veronica White, Alimuddin Zumla, Giovanni Battista Migliori
Large studies on bedaquiline used to treat multidrug-resistant (MDR-) and extensively drug-resistant tuberculosis (XDR-TB) are lacking. This study aimed to evaluate the safety and effectiveness of bedaquiline-containing regimens in a large, retrospective, observational study conducted in 25 centres and 15 countries in five continents.428 culture-confirmed MDR-TB cases were analysed (61.5% male; 22.1% HIV-positive, 45.6% XDR-TB). MDR-TB cases were admitted to hospital for a median (interquartile range (IQR)) 179 (92-280) days and exposed to bedaquiline for 168 (86-180) days...
May 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28527291/haplotypes-in-ccr5-ccr2-ccl3-and-ccl5-are-associated-with-natural-resistance-to-hiv-1-infection-in-a-colombian-cohort
#12
Jorge A Vega, Simón Villegas-Ospina, Wbeimar Aguilar-Jiménez, María T Rugeles, Gabriel Bedoya, Wildeman Zapata
INTRODUCTION: Variants in genes encoding for HIV-1 co-receptors and their natural ligands have been individually associated to natural resistance to HIV-1 infection. However, the simultaneous presence of these variants has been poorly studied. OBJECTIVE: To evaluate the association of single and multilocus haplotypes in genes coding for the viral co-receptors CCR5 and CCR2, and their ligands CCL3 and CCL5, with resistance or susceptibility to HIV-1 infection. MATERIALS AND METHODS: Nine variants in CCR5-CCR2, two SNPs in CCL3 and two in CCL5 were genotyped by PCR-RFLP in 35 seropositive (cases) and 49 HIV-1-exposed seronegative Colombian individuals (controls)...
June 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
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
#13
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/28523851/identification-of-multiple-druggable-secondary-sites-by-fragment-screening-against-dc-sign
#14
Jonas Aretz, Hannes Baukmann, Elena Shanina, Jonas Hanske, Robert Wawrzinek, Viktor A Zapol'skii, Peter H Seeberger, Dieter E Kaufmann, Christoph Rademacher
DC-SIGN is a cell-surface receptor for several pathogenic threats, such as HIV, Ebola virus, or Mycobacterium tuberculosis. Multiple attempts to develop inhibitors of the underlying carbohydrate-protein interactions have been undertaken in the past fifteen years. Still, drug-like DC-SIGN ligands are sparse, which is most likely due to its hydrophilic, solvent-exposed carbohydrate-binding site. Herein, we report on a parallel fragment screening against DC-SIGN applying SPR and a reporter displacement assay, which complements previous screenings using (19) F NMR spectroscopy and chemical fragment microarrays...
May 19, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28521722/prevalence-and-risk-factors-for-human-immunodeficiency-virus-hiv-and-syphilis-infections-among-military-personnel-in-sierra-leone
#15
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
https://www.readbyqxmd.com/read/28518089/laparoscopic-technique-for-serial-collection-of-liver-and-mesenteric-lymph-nodes-in-macaques
#16
Alexander S Zevin, Cassie Moats, Drew May, Solomon Wangari, Charlene Miller, Joel Ahrens, Naoto Iwayama, Megan Brown, Debbie Bratt, Nichole R Klatt, Jeremy Smedley
The mesenteric lymph nodes (MLN) and the liver are exposed to microbes and microbial products from the gastrointestinal (GI) tract, making them immunologically unique. The GI tract and associated MLN are sites of early viral replication in human immunodeficiency virus (HIV) infection and the MLN are likely important reservoir sites that harbor latently-infected cells even after prolonged antiretroviral therapy (ART). The liver has been shown to play a significant role in immune responses to lentiviruses and appears to play a significant role in clearance of virus from circulation...
May 2, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28503933/highly-hiv-exposed-seronegative-men-have-lower-mucosal-innate-immune-reactivity
#17
Jennifer A Fulcher, Laura Romas, Jennifer C Hoffman, Julie Elliott, Terry Saunders, Adam Burgener, Peter A Anton, Otto O Yang
Risk of HIV acquisition varies, and some individuals are highly HIV-1-exposed yet persistently seronegative (HESN). The immunologic mechanisms contributing to this phenomenon are an area of intense interest. As immune activation and inflammation facilitate disease progression in HIV-1-infected persons, and gastrointestinal-associated lymphoid tissue (GALT) is a highly susceptible site for transmission, we hypothesized that reduced gut mucosal immune reactivity may contribute to reduced HIV-1 susceptibility in HESN men with a history of numerous rectal sexual exposures...
May 13, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28498191/impact-of-facility-based-mother-support-groups-on-retention-in-care-and-pmtct-outcomes-in-rural-zimbabwe-the-epaz-cluster-randomized-controlled-trial
#18
Geoff Foster, Joanna Orne-Gliemann, Hélène Font, Abigail Kangwende, Vhumani Magezi, Tonderai Sengai, Simba Rusakaniko, Bridget Shumba, Pemberai Zambezi, Talent Maphosa
BACKGROUND: Prevention of mother-to-child transmission elimination goals are hampered by low rates of retention in care. The Eliminating Paediatric AIDS in Zimbabwe project assessed whether mother support groups (MSGs) improve rates of retention in care of HIV-exposed infants and their HIV-positive mothers, and maternal and infant outcomes. METHODS: The study involved 27 rural clinics in eastern Zimbabwe. MSGs were established in 14 randomly selected clinics and met every 2 weeks coordinated by volunteer HIV-positive mothers...
June 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28498188/the-impact-of-structured-mentor-mother-programs-on-presentation-for-early-infant-diagnosis-testing-in-rural-north-central-nigeria-a-prospective-paired-cohort-study
#19
Nadia A Sam-Agudu, Habib O Ramadhani, Christopher Isah, Salome Erekaha, Chinenye Fan-Osuala, Udochisom Anaba, Ebunoluwa A Adejuyigbe, Manhattan Charurat
BACKGROUND: Early infant diagnosis (EID) by 2 months of age is an important prevention of mother-to-child cascade step that serves as an early postpartum indicator of program success. Uptake and timely presentation for infant HIV diagnosis are significant challenges in resource-limited settings. Few studies on maternal peer support (PS) have demonstrated impact on EID. The MoMent study evaluated the impact of structured PS on timely presentation for EID testing in rural North-Central Nigeria...
June 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28498182/integrating-hiv-and-maternal-neonatal-and-child-health-services-in-rural-malawi-an-evaluation-of-the-implementation-processes-and-challenges
#20
Andrews Gunda, Aurelie Jousset, Timothy Tchereni, Jessica Joseph, Victor Mwapasa
INTRODUCTION: Introducing Option B+ in Malawi increased antiretroviral therapy coverage among pregnant and breastfeeding women 3 fold. The Promoting Retention among Infants and Mothers Effectively (PRIME) study integrated care of Maternal, Neonatal and Child Health services through a mother-infant pair (MIP) clinic. This article evaluates the implementation processes and challenges health care workers' experienced in implementing these MIP clinics. METHODS: Between May 2013 and August 2016, 20 health facilities implemented MIP clinics...
June 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
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