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https://www.readbyqxmd.com/read/28926411/lower-mitochondrial-dna-and-altered-mitochondrial-fuel-metabolism-in-hiv-exposed-uninfected-infants-in-cameroon
#1
Jennifer Jao, Kathleen M Powis, Brian Kirmse, Chunli Yu, Fanny Epie, Emmanuel Nshom, Elaine J Abrams, Rhoda S Sperling, Derek Leroith, Mitchell E Geffner, Irwin J Kurland, Hélène C F Côté
OBJECTIVE: Evaluate blood mitochondrial DNA (mtDNA) content in HIV/antiretroviral (ARV)-exposed uninfected (HEU) vs. HIV-unexposed uninfected (HUU) infants and investigate differences in mitochondrial-related metabolites by exposure group. DESIGN: We enrolled a prospective cohort of HIV-infected and -uninfected pregnant woman/infant pairs in Cameroon. METHODS: Dried blood spot mtDNA:nuclear DNA ratio was measured by monochrome multiplex qPCR in HEU infants exposed to in utero ARVs and postnatal zidovudine (HEU-Z) or nevirapine (HEU-N), and in HUU infants at 6 weeks of life...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926410/outcomes-for-hiv-associated-diffuse-large-b-cell-lymphoma-in-the-modern-cart-era
#2
Caroline Besson, Remi Lancar, Sophie Prevot, Michele Algarte-Genin, Pierre Delobel, Fabrice Bonnet, Marie-Caroline Meyohas, Marialuisa Partisani, Lucie Oberic, Jean Gabarre, Cécile Goujard, François Boue, Paul Coppo, Regis Costello, Houria Hendel-Chavez, Nawel Mekerri, Gabriella Dos Santos, Christian Recher, Richard Delarue, Rene-Olivier Casasnovas, Yassine Taoufik, Nicolas Mounier, Dominique Costagliola
OBJECTIVE: Non-Hodgkin's lymphoma (NHL) remains among the most frequent malignancies in persons living with HIV (PLWHIV). Survival among patients with HIV-associated diffuse large B-cell lymphoma (DLBCL), the most frequent NHL subtype, has improved markedly in recent years. We aimed to analyze characteristics and outcomes of DLBCL in HIV-infected patients in the era of modern combined antiretroviral therapy (cART). DESIGN: PLWHIV with lymphoma were prospectively enrolled in the French ANRS-CO16 Lymphovir cohort between 2008 and 2015...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926409/effects-of-concurrent-exposure-to-antiretrovirals-and-cotrimoxazole-prophylaxis-among-hiv-exposed-uninfected-infants
#3
Alexander C Ewing, Caroline C King, Jeffrey B Wiener, Charles S Chasela, Michael G Hudgens, Debbie Kamwendo, Gerald Tegha, Mina C Hosseinipour, Denise J Jamieson, Charles Van der Horst, Athena P Kourtis
BACKGROUND: Given the potential of Cotrimoxazole preventive therapy (CPT) to prevent bacterial and malarial infections in HIV exposed, uninfected (HEU) infants, it is important to evaluate the effects of its concurrent use with ARV agents that have overlapping toxicity profiles. METHODS: We used data from the Breastfeeding, Antiretrovirals and Nutrition-BAN study (2004-2010) to evaluate the association of CPT and ARV with hematologic measures (hemoglobin, neutrophil, and alanine aminotransferase levels) from 6 to 48 weeks of age in 2,006 HEU infants in Lilongwe, Malawi...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926408/serum-glycan-binding-igg-antibodies-in-hiv-1-infection-and-during-the-development-of-broadly-neutralizing-responses
#4
Cathrine Scheepers, Sudipa Chowdhury, W Shea Wright, Christopher T Campbell, Nigel J Garrett, Quarraisha Abdool Karim, Salim S Abdool Karim, Penny L Moore, Jeffrey C Gildersleeve, Lynn Morris
BACKGROUND: The HIV-1 envelope is covered with glycans that provide structural integrity and protect conserved regions from host antibody responses. However, these glycans are often the target of broadly neutralizing antibodies (bNAbs) that emerge in some HIV infected individuals. We aimed to determine whether anti-glycan IgG antibodies are a general response to HIV-1 infection or specific to individuals who develop bNAbs. METHODS: IgG binding to glycans was assessed using arrays that contained 245 unique components including N-linked carbohydrates, glycolipids and Tn-peptides...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926407/dysfunctional-hdl-from-hiv-individuals-promotes-monocyte-derived-foam-cell-formation-in-vitro
#5
Thomas A Angelovich, Anna C Hearps, Michael N Oda, Mark S Borja, Diana Huynh, Stefanie Homann, Anthony Jaworowski, Theodoros Kelesidis
OBJECTIVE: The role of HDL function in HIV-related atherosclerotic cardiovascular disease (CVD) is unclear. HDLs isolated from HIV+ [HIV(+)HDL] and HIV-uninfected individuals (HDL) were assessed for HDL function and ability to promote monocyte-derived foam cell formation (MDFCF) (a key event in HIV-related CVD) ex vivo. DESIGN/METHODS: Using an established in vitro model of atherogenesis and plasma samples from an established cross-sectional study of virologically-suppressed HIV+ males on stable effective antiretroviral therapy (ART) and with low CVD risk (median age: 42 years; n = 10), we explored the impact of native HDL [HIV(+)HDL] on MDFCF...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926406/risk-factors-for-anal-hsil-in-hiv-positive-msm-is-targeted-screening-possible
#6
Matthijs L Siegenbeek van Heukelom, Elske Marra, Henry J C de Vries, Maarten F Schim van der Loeff, Jan M Prins
OBJECTIVE: HIV-positive men-who-have-sex-with-men (MSM) are at increased risk for developing anal squamous cell carcinoma (aSCC). Detection of precursor lesions of anal cancer (anal high-grade squamous intraepithelial lesions; HSIL) is cumbersome and expensive. Our objective was to identify potential risk factors for anal HSIL in HIV-positive MSM to develop more stringent screening criteria. DESIGN: We studied a cohort of MSM screened by high-resolution anoscopy (HRA) at three HIV clinics in Amsterdam, the Netherlands...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926405/elevated-ischemic-stroke-risk-among-women-living-with-hiv-infection
#7
Felicia C Chow, Susan Regan, Markella V Zanni, Sara E Looby, Cheryl D Bushnell, James B Meigs, Steven K Grinspoon, Steve K Feske, Virginia A Triant
OBJECTIVE: To determine if the greater risk of ischemic stroke observed in women living with HIV infection (WLWH) compared with HIV-uninfected women persists after accounting for both traditional and sex-specific stroke risk factors. METHODS: We performed an observational cohort study of WLWH (n = 1,214) and demographics-matched HIV-uninfected women (n = 12,041) seen between 1996 and 2011 at two tertiary care hospitals in Boston. We used Cox proportional hazards regression analyses to model time to ischemic stroke, adjusting first for demographics and traditional stroke risk factors and then for sex-specific stroke risk factors, including menopause and estrogen use...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926404/metabolic-health-across-the-body-mass-index-spectrum-in-hiv-infected-and-hiv-uninfected-men
#8
Jordan E Lake, Xiuhong Li, Frank J Palella, Kristine M Erlandson, Dorothy Wiley, Lawrence Kingsley, Lisa P Jacobson, Todd T Brown
OBJECTIVES: In the general population, metabolic health (MH) often declines as body mass index (BMI) increases. However, some obese individuals maintain MH. HIV and antiretroviral therapy (ART) have been associated with metabolic disturbances. We hypothesized that HIV-infected (HIV+) men on suppressive ART experience less MH than HIV-uninfected (HIV-) men across all BMI categories. DESIGN/METHODS: In a cross-sectional analysis of 1018 HIV+ and 1092 HIV- men enrolled in the Multicenter AIDS Cohort Study, Poisson regression with robust variance determined associations between HIV serostatus and MH prevalence (defined as meeting 2 of 5 NCEP/ATP III metabolic syndrome criteria), adjusting for age, race, BMI category, smoking and hepatitis C virus infection status...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926403/pathways-from-sexual-stigma-to-incident-hiv-and-sexually-transmitted-infections-among-nigerian-men-who-have-sex-with-men
#9
Cristina Rodriguez-Hart, Rebecca G Nowak, Rashelle Musci, Danielle German, Ifeanyi Orazulike, Blessing Kayode, Hongjie Liu, Oye Gureje, Trevor A Crowell, Stefan Baral, Man Charurat
OBJECTIVES: Sexual stigma affecting men who have sex with men (MSM) in Nigeria may be an important driver of HIV and other sexually transmitted infections (STIs), but potential mechanisms through which this occurs are not well understood. This study assessed the contributions of suicidal ideation and sexual risk behaviors to causal pathways between stigma and HIV/STIs. DESIGN: Data were collected from the TRUST/RV368 Study, a prospective cohort of 1,480 MSM from Abuja and Lagos, Nigeria...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926402/reversing-hiv-latency-via-sphingosine-1-phosphate-receptor-1-signaling
#10
Charline Duquenne, Sandrine Gimenez, Adeline Guigues, Benjamin Viala, Caroline Boulouis, Clément Mettling, Damien Maurel, Noëlie Campos, Etienne Doumazane, Laetitia Comps-Agrar, Jamal Tazi, Laurent Prézeau, Pierre Corbeau, Vincent François
OBJECTIVE: In this study, we looked for a new family of latency reversing agents. DESIGN: We searched for G protein-coupled receptors (GPCR) coexpressed with CCR5 in primary CD4+ T cells that activate infected cells and boost HIV production. METHODS: GPCR coexpression was unveiled by RT-PCR. We used FRET to analyze the dimerization with CCR5 of the expressed GPCR. Viral entry was measured by flow cytometry, reverse transcription by quantitative PCR, NFkB translocation by immunofluorescence, LTR activation using a gene reporter assay, and viral production by p24 quantification...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926401/the-missing-27
#11
Adam Akullian, Anna Bershteyn, Britta Jewell, Maya Petersen, Carol S Camlin
No abstract text is available yet for this article.
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926400/hepatitis-b-hepatitis-c-and-mortality-among-hiv-positive-individuals
#12
Alicia C Thornton, Sophie Jose, Sanjay Bhagani, David Chadwick, David Dunn, Richard Gilson, Janice Main, Mark Nelson, Alison Rodger, Chris Taylor, Elaney Youssef, Clifford Leen, Mark Gompels, Stephen Kegg, Achim Schwenk, Caroline Sabin
OBJECTIVES: To compare rates of all-cause, liver-related and AIDS-related mortality among individuals who are HIV mono-infected with those co-infected with HIV and hepatitis B (HBV) and/or hepatitis C (HCV) viruses. DESIGN: An ongoing observational cohort study collating routinely collected clinical data on HIV-positive individuals attending for care at HIV treatment centres throughout the UK. METHODS: Individuals were included if they had been seen for care from 2004 onwards and had tested for HBV and HCV...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926399/natural-killer-cells-in-hiv-1-infection-and-therapy
#13
Joanna Mikulak, Ferdinando Oriolo, Elisa Zaghi, Clara Di Vito, Domenico Mavilio
: Natural killer (NK) cells are important effectors of innate immunity playing a key role in the eradication and clearance of viral infections. Over the recent years, several studies have shown that HIV-1 pathologically changes NK cell homeostasis and hampers their antiviral effector functions. Moreover, high levels of chronic HIV-1 viremia markedly impair those NK cell regulatory features that normally regulate the cross-talks between innate and adaptive immune responses. These pathogenic events take place early in the infection and are associated with a pathologic redistribution of NK cell subsets that includes the expansion of anergic CD56 NK cells with an aberrant repertoire of activating and inhibitory receptors...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926398/association-of-a-3-untranslated-region-polymorphism-in-pcsk9-with-hiv-viral-load-and-cd4-levels-in-hiv-hepatitis-c-virus-co-infected-women
#14
Mark H Kuniholm, Hua Liang, Kathryn Anastos, Deborah Gustafson, Seble Kassaye, Marek Nowicki, Beverly E Sha, Emilia J Pawlowski, Stephen J Gange, Bradley E Aouizerat, Tatiana Pushkarsky, Michael I Bukrinsky, Vinayaka R Prasad
OBJECTIVE: To assess variation in genes that regulate cholesterol metabolism in relation to the natural history of HIV infection. DESIGN: Cross-sectional and longitudinal analysis of the Women's Interagency HIV Study (WIHS). METHODS: We examined 2,050 single nucleotide polymorphisms (SNPs) in 19 genes known to regulate cholesterol metabolism in relation to HIV viral load and CD4 T cell levels in a multiracial cohort of 1,066 antiretroviral therapy (ART) naïve women...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926397/time-to-first-positive-hiv-1-dna-pcr-may-differ-with-antiretroviral-regimen-in-infants-infected-with-non-b-subtype-hiv-1
#15
Raji Balasubramanian, Mary Glenn Fowler, Kenneth Dominguez, Shahin Lockman, Pat A Tookey, Nicole Ngo Giang Huong, Steven Nesheim, Michael D Hughes, Marc Lallemant, Jennifer Tosswill, Nathan Shaffer, Gayle Sherman, Paul Palumbo, David E Shapiro
OBJECTIVE: To evaluate the association of type and timing of prophylactic maternal and infant antiretroviral regimen with time to first positive HIV-1 DNA polymerase chain reaction (PCR) test, in non-breastfed HIV-infected infants from populations infected predominantly with HIV-1 non-B subtype virus. DESIGN: Analysis of combined data on non-breastfed HIV-infected infants from prospective cohorts in Botswana, Thailand and the United Kingdom (n = 405). METHODS: Parametric models appropriate for interval-censored outcomes estimated the time to first positive PCR according to maternal or infant antiretroviral regimen category and timing of maternal antiretroviral initiation, with adjustment for covariates...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28857829/were-we-prepared-for-prep-five-years-of-implementation
#16
Michael Weinstein, Otto O Yang, Adam Carl Cohen
: While the overall incidence of HIV infections in the United States (US) has decreased in recent years, certain populations remain particularly vulnerable, including racial/ethnic minorities, adolescents/young adults, and people in the southern US [1]. The Centers for Disease Control and Prevention (CDC) stated strategy to combat new infections includes a combination of "cost-effective, scalable interventions based on current science" [2]. In July 2012, the US Food and Drug Administration (FDA) approved daily oral combination tenofovir/emtricitabine ("Truvada") for pre-exposure prophylaxis (PrEP) in at-risk uninfected adults, with subsequent endorsement as blanket policy by the CDC in May 2014 [3]...
August 28, 2017: AIDS
https://www.readbyqxmd.com/read/28857828/time-from-hiv-infection-to-virological-suppression-dramatic-fall-from-2007-2016
#17
Nicholas A Medland, Suellen Nicholson, Eric P F Chow, Timothy H R Read, Catriona S Bradshaw, Ian Denham, Christopher K Fairley
TITLE: Time from HIV infection to virological suppression: dramatic fall from 2007-2016. OBJECTIVES: We examined the time from HIV infection to virological suppression in men who have sex with men (MSM) who were first diagnosed at Melbourne Sexual Health Centre (MSHC) between 2007 and 2016. DESIGN: Retrospective cohort. METHODS: Date of infection was imputed from the testing history or serological evidence of recent infection (negative or indeterminate Western Blot) or baseline CD4 cell count...
August 28, 2017: AIDS
https://www.readbyqxmd.com/read/28857827/injecting-drug-use-predicts-active-tuberculosis-in-a-national-cohort-of-people-living-with-hiv-from-2000-to-2014
#18
Joanne R Winter, Helen R Stagg, Colette J Smith, Alison E Brown, Maeve K Lalor, Marc Lipman, Anton Pozniak, Andrew Skingsley, Peter Kirwan, Zheng Yin, H Lucy Thomas, Valerie Delpech, Ibrahim Abubakar
OBJECTIVES: Tuberculosis (TB) is common in people living with HIV (PLHIV), leading to worse clinical outcomes including increased mortality. We investigated risk factors for developing TB following HIV diagnosis. DESIGN: Adults aged ≥15 years first presenting to health services for HIV care in England, Wales or Northern Ireland from 2000-2014 were identified from national HIV surveillance data and linked to TB surveillance data. METHODS: We calculated incidence rates for TB occurring >91 days after HIV diagnosis and investigated risk factors using multivariable Poisson regression...
August 28, 2017: AIDS
https://www.readbyqxmd.com/read/28857826/preexposure-prophylaxis-for-men-who-have-sex-with-men-and-transgender-persons-in-early-adopting-countries-a-narrative-review
#19
E Hoornenborg, D S Krakower, M Prins, K H Mayer
No abstract text is available yet for this article.
August 28, 2017: AIDS
https://www.readbyqxmd.com/read/28857825/preferential-susceptibility-of-th9-and-th2-cd4-t-cells-to-x4-tropic-hiv-1-infection
#20
Nina Orlova-Fink, Fatema Z Chowdhury, Sun Xiaoming, Sean Harrington, Eric S Rosenberg, Xu G Yu, Mathias Lichterfeld
OBJECTIVE: The functional polarization of CD4 T cells determines their antimicrobial effector profile, but may also impact the susceptibility to infection with HIV-1. Here, we analyzed the susceptibility of CD4 T cells with different functional polarization to infection with X4- and R5-tropic HIV-1. METHODS: CD4 T cells with a Th1, Th2, Th17 and Th9 polarization were subjected to in vitro infection assays with X4, R5 or VSV-G-pseudotyped HIV-1. In addition, we sorted differentially-polarized CD4 T cell subsets from individuals treated with antiretroviral therapy and analyzed the tropism of viral env sequences...
August 28, 2017: AIDS
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