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https://www.readbyqxmd.com/read/27899925/increased-risk-of-group-b-streptococcus-invasive-infection-in-hiv-exposed-but-uninfected-infants-a-review-of-the-evidence-and-possible-mechanisms
#1
REVIEW
Nicolas Dauby, Mustapha Chamekh, Pierrette Melin, Amy L Slogrove, Tessa Goetghebuer
Group B Streptococcus (GBS) is a major cause of neonatal sepsis and mortality worldwide. Studies from both developed and developing countries have shown that HIV-exposed but uninfected (HEU) infants are at increased risk of infectious morbidity, as compared to HIV-unexposed uninfected infants (HUU). A higher susceptibility to GBS infections has been reported in HEU infants, particularly late-onset diseases and more severe manifestations of GBS diseases. We review here the possible explanations for increased susceptibility to GBS infection...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27898591/tenofovir-exposure-in-utero-and-linear-growth-in-hiv-exposed-uninfected-infants
#2
Stanzi M le Roux, Jennifer Jao, Kirsty Brittain, Tamsin K Phillips, Seun Olatunbosun, Agnes Ronan, Allison Zerbe, Elaine J Abrams, Landon Myer
OBJECTIVE: Tenofovir (TDF) affects bone health and is widely used in pregnancy but data are limited on the effects of TDF exposure in utero. We examined the association between duration of in-utero TDF exposure and linear growth in HIV-exposed, uninfected (HEU) infants. DESIGN: A prospective cohort of pregnant women initiating TDF-containing regimens at primary care services in Cape Town, South Africa, were enrolled and followed with their breastfeeding infants through 12 months postpartum...
January 2, 2017: AIDS
https://www.readbyqxmd.com/read/27885560/expression-of-human-endogenous-retrovirus-k-and-w-in-babies
#3
L H S Nali, A C S Oliveira, D O Alves, G S Caleiro, C F Nunes, D Gerhardt, R C M Succi, Camila M Romano, D M Machado
Here we determined the relative expression of HERV-K and W proviruses in HIV infected and non-infected mothers as well as their respective babies up to 1 year-old. HIV-infected mothers, their babies and uninfected control groups presented expression of both HERV-K and HERV-W with relatively high frequency. While the level of HERV-K expression was similar among groups, the level of HERV-W expression in HIV-infected mothers was four-fold higher than the uninfected mothers from the control group (p < 0.01)...
November 24, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27861788/phenotypically-resembling-myeloid-derived-suppressor-cells-are-increased-in-children-with-hiv-and-exposed-infected-with-mycobacterium-tuberculosis
#4
Nelita Du Plessis, Ruschca Jacobs, Andrea Gutschmidt, Zhuo Fang, Paul D van Helden, Manfred B Lutz, Anneke C Hesseling, Gerhard Walzl
Increased disease susceptibility during early life has been linked to immune immaturity, regulatory T-cell/TH2 immune biasing and hyporesponsiveness. The contribution of myeloid derived suppressor cells (MDSCs) remains uninvestigated. Here, we assessed peripheral MDSC in HIV-infected and -uninfected children with tuberculosis (TB) disease before, during and after TB treatment, along with matched household contacts (HHCs), HIV-exposed, -infected and -uninfected children without recent TB exposure. Serum analytes and enzymes associated with MDSC accumulation/activation/function were measured by colorimetric- and fluorescence arrays...
November 8, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27856674/longitudinal-evaluation-of-language-impairment-in-youth-with-perinatally-acquired-human-immunodeficiency-virus-hiv-and-youth-with-perinatal-hiv-exposure
#5
Sean M Redmond, Tzy-Jyun Yao, Jonathan S Russell, Mabel L Rice, Howard J Hoffman, George K Siberry, Toni Frederick, Murli Purswani, Paige L Williams
BACKGROUND: Language impairment (LI) risk is increased for perinatally acquired human immunodeficiency virus-infected (PHIV) and perinatally exposed to HIV but uninfected (PHEU) youth. This study evaluates the persistence of LI in these groups. METHODS: The Clinical Evaluation of Language Fundamentals was repeated on participants of the Pediatric HIV/AIDS Cohort Study Adolescent Master Protocol 18 months postbaseline. Regression models identified factors associated with change in standardized score (SC) and the resolution or development of LI...
December 2016: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/27856673/associations-of-memory-and-executive-functioning-with-academic-and-adaptive-functioning-among-youth-with-perinatal-hiv-exposure-and-or-infection
#6
Patricia A Sirois, Miriam C Chernoff, Kathleen M Malee, Patricia A Garvie, Lynnette L Harris, Paige L Williams, Steven P Woods, Molly L Nozyce, Betsy L Kammerer, Cenk Yildirim, Sharon L Nichols
BACKGROUND: Perinatally acquired HIV (PHIV) confers risk for neurocognitive impairment, which potentially affects school performance and functional independence of infected children. In this study, we examined the associations of 2 key neurocognitive domains, memory and executive function (EF), with academic and adaptive skills among youth with PHIV and perinatally HIV-exposed but uninfected (PHEU) youth. METHODS: Participants ages 9 to <19 years enrolled in the Pediatric HIV/AIDS Cohort Study's Memory and Executive Functioning Study completed standardized measures of reading and math...
December 2016: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/27856672/executive-functioning-in-children-and-adolescents-with-perinatal-hiv-infection-and-perinatal-hiv-exposure
#7
Sharon L Nichols, Miriam C Chernoff, Kathleen M Malee, Patricia A Sirois, Steven P Woods, Paige L Williams, Cenk Yildirim, Dean Delis, Betsy Kammerer
BACKGROUND: Executive functions (EFs) are critical for management of life activities, but few studies have evaluated EFs in children and adolescents with perinatally acquired HIV (PHIV), who are at risk for problems in academics, behavior, and medication adherence. We compared EFs in youth with PHIV and in perinatally HIV-exposed but uninfected (PHEU) youth. METHODS: Four Delis-Kaplan Executive Function System (D-KEFS) subtests were administered to 173 youth with PHIV and 85 PHEU youth, aged 9 to <19 years, who were enrolled in the Pediatric HIV/AIDS Cohort Study (PHACS) Memory and Executive Functioning Study...
December 2016: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/27847176/association-of-serum-bactericidal-antibody-and-opsonic-antibody-levels-after-neisseria-meningitidis-serogroup-c-conjugate-vaccine-in-brazilian-children-and-adolescents-infected-or-not-infected-with-hiv
#8
Wânia F Pereira-Manfro, Raquel M Alvino, Aline C Cruz, Giselle P Silva, Raquel B N Castro, Bianca Ferreira, Daniella M Barreto, Ana Cristina C Frota, Cristina B Hofer, Lucimar G Milagres
Neisseria meningitidis serogroup C (MenC) is the main causative agent of meningitis in Brazil. HIV infection affects the quality of the immune system. HIV(+) children have an increased risk of infection to encapsulated bacteria such as N. meningitidis. We evaluated the opsonic antibody (OPA) levels and its correlation with serum bactericidal antibody (SBA) levels induced by one and two doses of a MenC conjugate vaccine in children and adolescents HIV(+) and HIV-exposed but uninfected children (HEU) group. Overall the data show the importance of two doses of vaccine for HIV(+) individuals...
December 7, 2016: Vaccine
https://www.readbyqxmd.com/read/27831952/tenofovir-disoproxil-fumarate-safety-for-women-and-their-infants-during-pregnancy-and-breastfeeding-systematic-review
#9
Lynne M Mofenson, Rachel C Baggaley, Ioannis Mameletzis
OBJECTIVES: Pregnant/lactating women in some sub-Saharan Africa settings are at substantial risk of HIV acquisition and could benefit from pre-exposure prophylaxis (PrEP) with tenofovir disoproxil fumarate (TDF), but safety data in pregnancy/lactation are limited. DESIGN: Systematic data review through August 2016. METHODS: We reviewed research reports/conference abstracts with maternal/child adverse outcome data in HIV-infected and HIV-uninfected pregnant/lactating women receiving TDF alone or in combination with other drugs compared with non-TDF regimens...
November 7, 2016: AIDS
https://www.readbyqxmd.com/read/27829511/high-burden-of-morbidity-and-mortality-but-not-growth-failure-in-infants-exposed-to-but-uninfected-with-human-immunodeficiency-virus-in-tanzania
#10
Lindsey M Locks, Karim P Manji, Roland Kupka, Enju Liu, Rodrick Kisenge, Christine M McDonald, Said Aboud, Molin Wang, Wafaie W Fawzi, Christopher P Duggan
OBJECTIVE: To compare health and growth outcomes in children infected with HIV, children exposed to but uninfected with HIV, and children unexposed to HIV. STUDY DESIGN: Our cohort included 3554 Tanzanian children enrolled in 2 trials of micronutrient supplementation. Among infants born to mothers infected with HIV, 264 were infected with HIV and 2088 were exposed to but uninfected at 6 weeks of age. An additional 1202 infants were unexposed to HIV. Infants were followed until 18 months of age, death, or loss to follow-up...
November 7, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27812086/tuberculosis-disease-during-pregnancy-and-treatment-outcomes-in-hiv-infected-and-uninfected-women-at-a-referral-hospital-in-cape-town
#11
Adrie Bekker, Hendrik S Schaaf, Heather R Draper, Magdalena Kriel, Anneke C Hesseling
BACKGROUND: Tuberculosis during pregnancy and treatment outcomes are poorly defined in high prevalence tuberculosis and HIV settings. METHODS: A prospective cohort study of pregnant and postpartum women identified to be routinely on antituberculosis treatment was conducted at Tygerberg Hospital, Cape Town, South Africa, from January 2011 through December 2011. Maternal tuberculosis disease spectrum and tuberculosis-exposed newborns were characterized by maternal HIV status...
2016: PloS One
https://www.readbyqxmd.com/read/27801947/prevalence-of-periodontal-diseases-in-a-multicenter-cohort-of-perinatally-hiv-infected-and-hiv-exposed-and-uninfected-youth
#12
Mark I Ryder, Tzy-Jyun Yao, Jonathan S Russell, Anna-Barbara Moscicki, Caroline H Shiboski
AIMS: To compare the prevalence and severity of periodontal diseases between 180 perinatally HIV-infected (PHIV) and 118 perinatally HIV-exposed and uninfected (PHEU) youth in a cross-sectional study conducted at 11 clinical sites in the United States and Puerto Rico from the Adolescent Master Protocol study of the Pediatric HIV/AIDS cohort study (PHACS) network. METHODS: Several analyses were conducted, employing the current CDC/AAP classification for periodontitis and incorporating a definition of gingivitis based on a bleeding on probing (BOP) threshold, and analyses based on more detailed whole-mouth, intra-oral regionally, site-based and tooth-based criteria of BOP, plaque levels, pockets depths and clinical attachment levels...
November 1, 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/27798548/growth-at-two-years-of-age-in-hiv-exposed-uninfected-children-in-the-us-by-trimester-of-maternal-antiretroviral-initiation
#13
Denise L Jacobson, Kunjal Patel, Paige L Williams, Mitchell E Geffner, George K Siberry, Linda A Dimeglio, Marilyn J Crain, Ayesha Mirza, Janet S Chen, Elizabeth McFarland, Deborah Kacanek, Margarita Silio, Kenneth Rich, William Borkowsky, Russell B Van Dyke, Tracie L Miller
BACKGROUND: Abnormal childhood growth may affect future health. Maternal tenofovir (TFV) use was associated with lower body length and head circumference at one year of age in HIV-exposed uninfected (HEU) US children. METHODS: We studied 509 HEU children in the US-based Surveillance Monitoring of ART Toxicities cohort whose HIV-infected mothers were not using antiretrovirals at the last menstrual period and began combination antiretroviral therapy (cART) in pregnancy (cART-initiators)...
October 27, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27781102/cytomegalovirus-and-paediatric-hiv-infection
#14
EDITORIAL
Jennifer A Slyker
Cytomegalovirus (CMV) was among the most common AIDS-defining illnesses prior to the advent of combination antiretroviral therapy (ART). In the ART era, CMV disease remains a significant public health threat among HIV-infected adults and children with delayed HIV diagnosis. CMV co-infection may additionally contribute to accelerated HIV progression, development of inflammation-related comorbidities, immune senescence and developmental deficits. Elimination of CMV would have tremendous public health significance and is an important priority; however, current vaccine strategies are not targeted at HIV-infected individuals...
October 5, 2016: Journal of Virus Eradication
https://www.readbyqxmd.com/read/27756308/malaria-burden-in-a-birth-cohort-of-hiv-exposed-uninfected-ugandan-infants-living-in-a-high-malaria-transmission-setting
#15
Abel Kakuru, Paul Natureeba, Mary K Muhindo, Tamara D Clark, Diane V Havlir, Deborah Cohan, Grant Dorsey, Moses R Kamya, Theodore Ruel
BACKGROUND: HIV-exposed, uninfected (HEU) infants suffer high morbidity and mortality in the first year of life compared to HIV-unexposed, uninfected (HUU) infants, but accurate data on the contribution of malaria are limited. METHODS: The incidence of febrile illnesses and malaria were evaluated in a birth cohort of HEU infants. Infants were prescribed daily trimethoprim-sulfamethoxazole (TS) prophylaxis from 6 weeks of age until exclusion of HIV-infection after cessation of breastfeeding...
October 18, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27755111/tenofovir-exposure-in-utero-and-linear-growth-in-hiv-exposed-uninfected-infants-a-prospective-study
#16
Stanzi M le Roux, Jennifer Jao, Kirsty Brittain, Tamsin K Phillips, Seun Olatunbosun, Agnes Ronan, Allison Zerbe, Elaine J Abrams, Landon Myer
OBJECTIVE: Tenofovir (TDF) affects bone health and is widely used in pregnancy but data are limited on the effects of TDF exposure in utero. We examined the association between duration of in utero TDF exposure and linear growth in HIV-exposed, uninfected (HEU) infants. DESIGN: A prospective cohort of pregnant women initiating TDF-containing regimens at primary care services in Cape Town, South Africa were enrolled and followed with their breastfeeding infants through 12 months postpartum...
October 14, 2016: AIDS
https://www.readbyqxmd.com/read/27741954/disclosing-in-utero-hiv-arv-exposure-to-the-hiv-exposed-uninfected-adolescent-is-it-necessary
#17
Jennifer Jao, Rohan Hazra, Claude A Mellins, Robert H Remien, Elaine J Abrams
INTRODUCTION: The tremendous success of antiretroviral therapy has resulted in a diminishing population of perinatally HIV-infected children on the one hand and a mounting number of HIV-exposed uninfected (HEU) children on the other. As the oldest of these HEU children are reaching adolescence, questions have emerged surrounding the implications of HEU status disclosure to these adolescents. This article outlines the arguments for and against disclosure of a child's HEU status. DISCUSSION: Disclosure of a child's HEU status, by definition, requires disclosure of maternal HIV status...
2016: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/27733852/the-immune-system-of-hiv-exposed-uninfected-infants
#18
Bahaa Abu-Raya, Tobias R Kollmann, Arnaud Marchant, Duncan M MacGillivray
Infants born to human immunodeficiency virus (HIV) infected women are HIV-exposed but the majority remains uninfected [i.e., HIV-exposed uninfected (HEU)]. HEU infants suffer greater morbidity and mortality from infections compared to HIV-unexposed (HU) peers. The reason(s) for these worse outcomes are uncertain, but could be related to an altered immune system state. This review comprehensively summarizes the current literature investigating the adaptive and innate immune system of HEU infants. HEU infants have altered cell-mediated immunity, including impaired T-cell maturation with documented hypo- as well as hyper-responsiveness to T-cell activation...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27733526/stunting-mediates-the-association-between-small-for-gestational-age-and-postneonatal-mortality
#19
Vanessa M Oddo, Parul Christian, Joanne Katz, Li Liu, Naoko Kozuki, Robert E Black, Robert Ntozini, Jean Humphrey
BACKGROUND: In sub-Saharan Africa, one-third of all births are small for gestational age (SGA), and 4.4 million children are stunted; both conditions increase the risk of child mortality. SGA has also been shown to increase the risk of stunting. OBJECTIVE: We tested whether the association between SGA and postneonatal mortality is mediated by stunting. METHODS: We used longitudinal data from children aged 6 wk to 24 mo (n = 12,155) enrolled in the ZVITAMBO (Zimbabwe Vitamin A for Mothers and Babies) trial...
November 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27733206/the-effects-of-prenatal-hiv-exposure-on-language-functioning-in-kenyan-children-establishing-an-evaluative-framework
#20
K J Alcock, Amina Abubakar, Charles R Newton, Penny Holding
BACKGROUND: HIV infection has been associated with impaired language development in prenatally exposed children. Although most of the burden of HIV occurs in sub-Saharan Africa, there have not been any comprehensive studies of HIV exposure on multiple aspects of language development using instruments appropriate for the population. METHODS: We compared language development in children exposed to HIV in utero to community controls (N = 262, 8-30 months) in rural Kenya, using locally adapted and validated communicative development inventories...
October 12, 2016: BMC Research Notes
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