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https://www.readbyqxmd.com/read/29335895/pharmacokinetics-antiviral-activity-and-safety-of-rilpivirine-in-pregnant-women-with-hiv-1-infection-results-of-a-phase-3b-multicenter-open-label-study
#1
Olayemi Osiyemi, Salih Yasin, Carmen Zorrilla, Ceyhun Bicer, Vera Hillewaert, Kimberley Brown, Herta M Crauwels
INTRODUCTION: Physiologic changes during pregnancy may impact the pharmacokinetics of drugs. In addition, efficacy and safety/tolerability concerns have been identified for some antiretroviral agents. METHODS: Human immunodeficiency virus (HIV)-1-infected pregnant women (18-26 weeks gestation) receiving the non-nucleoside reverse transcriptase inhibitor rilpivirine 25 mg once daily were enrolled in this phase 3b, open-label study examining the impact of pregnancy on the pharmacokinetics of rilpivirine when it is given in combination with other antiretroviral agents...
January 15, 2018: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/29331972/cohort-profile-the-comparative-outcomes-and-service-utilization-trends-coast-study-among-people-living-with-and-without-hiv-in-british-columbia-canada
#2
Oghenowede Eyawo, Mark W Hull, Kate Salters, Hasina Samji, Angela Cescon, Paul Sereda, Viviane D Lima, Bohdan Nosyk, David G T Whitehurst, Scott A Lear, Julio S G Montaner, Robert S Hogg
PURPOSE: The Comparative Outcomes And Service Utilization Trends (COAST) Study in British Columbia (BC), Canada, was designed to evaluate the determinants of health outcomes and health care services use among people living with HIV (PLHIV) as they age in the period following the introduction of combination antiretroviral therapy (cART). The study also assesses how age-associated comorbidities and health care use among PLHIV may differ from those observed in the general population. PARTICIPANTS: COAST was established through a data linkage between two provincial data sources: The BC Centre for Excellence in HIV/AIDS Drug Treatment Program, which centrally manages cART dispensation across BC and contains prospectively collected data on demographic, immunological, virological, cART use and other clinical information for all known PLHIV in BC; and Population Data BC, a provincial data repository that holds individual event-level, longitudinal data for all 4...
January 13, 2018: BMJ Open
https://www.readbyqxmd.com/read/29329113/therapeutic-hiv-1-vaccine-time-for-immunomodulation-and-combinatorial-strategies
#3
Nabila Seddiki, Yves Lévy
PURPOSE OF REVIEW: The purpose is to recall some of the key immunological elements that are at the crossroad and need to be combined for developing a potent therapeutic HIV-1 vaccine. RECENT FINDINGS: Therapeutic vaccines and cytokines have been commonly used to enhance and/or recall preexisting HIV-1 specific cell-mediated immune responses aiming to suppress virus replication. While the vaccine is important to stimulate HIV-1 specific T-cell responses, the cytokine may support the expansion of the stimulated virus-specific T cells...
January 10, 2018: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29328787/immune-responses-to-retroviruses
#4
Asier Saez-Cirion, Nicolas Manel
Retroviruses are genome invaders that have shared a long history of coevolution with vertebrates and their immune system. Found endogenously in genomes as traces of past invasions, retroviruses are also considerable threats to human health when they exist as exogenous viruses such as HIV. The immune response to retroviruses is engaged by germline-encoded sensors of innate immunity that recognize viral components and damage induced by the infection. This response develops with the induction of antiviral effectors and launching of the clonal adaptive immune response, which can contribute to protective immunity...
January 12, 2018: Annual Review of Immunology
https://www.readbyqxmd.com/read/29324842/effect-of-analytical-treatment-interruption-and-reinitiation-of-antiretroviral-therapy-on-hiv-reservoirs-and-immunologic-parameters-in-infected-individuals
#5
Katherine E Clarridge, Jana Blazkova, Kevin Einkauf, Mary Petrone, Eric W Refsland, J Shawn Justement, Victoria Shi, Erin D Huiting, Catherine A Seamon, Guinevere Q Lee, Xu G Yu, Susan Moir, Michael C Sneller, Mathias Lichterfeld, Tae-Wook Chun
Therapeutic strategies aimed at achieving antiretroviral therapy (ART)-free HIV remission in infected individuals are under active investigation. Considering the vast majority of HIV-infected individuals experience plasma viral rebound upon cessation of therapy, clinical trials evaluating the efficacy of curative strategies would likely require inclusion of ART interruption. However, it is unclear what impact short-term analytical treatment interruption (ATI) and subsequent reinitiation of ART have on immunologic and virologic parameters of HIV-infected individuals...
January 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29323435/soluble-cd14-levels-in-plasma-and-breastmilk-of-malawian-hiv-women-lack-of-association-with-morbidity-and-mortality-in-their-exposed-infants
#6
Silvia Baroncelli, Clementina M Galluzzo, Giuseppe Liotta, Mauro Andreotti, Fausto Ciccacci, Sandro Mancinelli, Victor T Tolno, Jane Gondwe, Roberta Amici, Maria C Marazzi, Stefano Vella, Marina Giuliano, Leonardo Palombi, Lucia Palmisano
PROBLEM: Data on soluble CD14 (sCD14) during pregnancy and lactation are scarce. We assessed the levels of sCD14 in plasma and breastmilk of Malawian HIV-positive women and evaluated the possible association with morbidity and mortality in the HIV-exposed children. METHOD OF STUDY: One hundred and forty-nine mother/child pairs were studied. Women received antiretroviral therapy from 26 weeks of gestation to at least 6 months of exclusive breastfeeding. sCD14 concentrations were determined using an enzyme-linked immunosorbent assay...
January 11, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29322922/analysis-of-viral-diversity-for-vaccine-target-discovery
#7
Asif M Khan, Yongli Hu, Olivo Miotto, Natascha M Thevasagayam, Rashmi Sukumaran, Hadia Syahirah Abd Raman, Vladimir Brusic, Tin Wee Tan, J Thomas August
BACKGROUND: Viral vaccine target discovery requires understanding the diversity of both the virus and the human immune system. The readily available and rapidly growing pool of viral sequence data in the public domain enable the identification and characterization of immune targets relevant to adaptive immunity. A systematic bioinformatics approach is necessary to facilitate the analysis of such large datasets for selection of potential candidate vaccine targets. RESULTS: This work describes a computational methodology to achieve this analysis, with data of dengue, West Nile, hepatitis A, HIV-1, and influenza A viruses as examples...
December 21, 2017: BMC Medical Genomics
https://www.readbyqxmd.com/read/29319511/study-of-patterns-and-markers-of-human-immune-deficiency-virus-1-hiv-1-progression-and-unemployment-rate-among-patients-from-alexandria-egypt
#8
Faika M Ghoneim, May M Raouf, Noha S Elshaer, Sarah M Abdelhamid, Reem A Noor Eldeen
Middle East and North Africa (MENA) new HIV cases show the highest increase among all regions in the world. Even though Egypt has a low prevalence among the general population (< 0.02%), a national HIV epidemic occurs in certain population risk groups. The current study was conducted to asses clinical and immunological disease progression; following up viral load (VL) and detecting delta-32 CCR5 genotype polymorphism in selected cases, determining unemployment rate and identify predictors of employment for HIV-cases...
December 4, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/29315114/higher-levels-of-peripheral-th17-t-cd4-cells-are-associated-with-immunological-non-response-in-hiv-infected-patients-undereffective-art
#9
Ilaria De Benedetto, Michela Masetti, Massimiliano Fabbiani, Mara Biasin, Antonio Muscatello, Nicola Squillace, Mario Clerici, Daria Trabattoni, Andrea Gori, Alessandra Bandera
No abstract text is available yet for this article.
January 8, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29310419/proliferative-lupus-nephritis-in-the-absence-of-overt-systemic-lupus-erythematosus-a-historical-study-of-12-adult-patients
#10
Maxime Touzot, Cécile Saint-Pastou Terrier, Stanislas Faguer, Ingrid Masson, Hélène François, Lionel Couzi, Aurélie Hummel, Nathalie Quellard, Guy Touchard, Noémie Jourde-Chiche, Jean-Michel Goujon, Eric Daugas
Severe lupus nephritis in the absence of systemic lupus erythematosus (SLE) is a rare condition with an unclear clinical presentation and outcome.We conducted a historical observational study of 12 adult (age >18 years) patients with biopsy-proven severe lupus nephritis or lupus-like nephritis without SLE immunological markers at diagnosis or during follow-up. Excluded were patients with chronic infections with HIV or hepatitis B or C; patients with a bacterial infectious disease; and patients with pure membranous nephropathy...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29303843/cognition-emotional-health-and-immunological-markers-in-children-with-long-term-nonprogressive-hiv
#11
Robert Paul, Tanakorn Apornpong, Wasana Prasitsuebsai, Thanyawee Puthanakit, Vonthanak Saphonn, Linda Aurpibul, Pope Kosalaraksa, Suparat Kanjanavanit, Wicharn Luesomboon, Chaiwat Ngampiyaskul, Tulathip Suwanlerk, Kea Chettra, William T Shearer, Victor Valcour, Jintanat Ananworanich, Stephen Kerr
BACKGROUND: HIV-infected children with long-term nonprogressive disease (LTNPs) eventually convert to a progressive disease type, yet the extent to which these children experience the cognitive and emotional symptoms observed in typical progressive HIV (Progressors) is unknown. METHODS: Eighty-eight LTNPs, 53 Progressors, and 323 healthy controls completed annual assessments of cognitive and emotional health as part of a prospective study. The two HIV-infected groups and the healthy controls were matched on age and sex distribution at enrollment...
January 4, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29301799/posterior-reversible-encephalopathy-syndrome-in-an-hiv-infected-patient-on-antiretroviral-treatment-what-is-the-risk-factor
#12
Barbara Birner, Cédric Hirzel, Franca Wagner, Gabriel Waldegg
Posterior reversible encephalopathy syndrome (PRES) is a rare but well-described syndrome associated with a high morbidity and a substantial mortality. We present an illustrative case of an HIV-infected but virologically suppressed patient who complained of visual impairment accompanied by severe headache and epileptic seizures. The cerebral CT scan and the follow-up cranial MRI confirmed the diagnosis of PRES. Unlike the cases of HIV-infected patients with PRES published so far, our patient suffered neither from advanced immunodeficiency nor from opportunistic infection or from any other evident predisposing factor...
January 4, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29299802/hcv-coinfection-of-the-hiv-infected-patients-with-discordant-cd4-t-cell-response-to-antiretroviral-therapy-leads-to-intense-systemic-inflammation
#13
K V Shmagel, L B Korolevskaya, E V Saidakova, N G Shmagel, V A Chereshnev, L Margolis, D Anthony, M Lederman
The level of proinflammatory markers was assessed in HIV-infected patients that were coinfected with hepatitis C virus (HCV) and had failed to restore the CD4+ T cell counts (immunological nonresponders, INR) during the antiretroviral therapy (ART). Among four patient groups (HIV+HCV- and HIV+HCV+ subjects with the concordant response to ART; HIV+HCV- and HIV+HCV+ subjects that were INR), the greatest systemic inflammation was in the latter group. The maximum difference was between the subjects HIV+HCV-INR and HIV+HCV+ INR: the blood of coinfected patients contained significantly higher concentrations of the IP-10, sCD163, sTNF-RI, and sTNF-RII and of bacterial lipopolysaccharide...
November 2017: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
https://www.readbyqxmd.com/read/29298663/association-between-major-depressive-disorder-and-pro-inflammatory-cytokines-and-acute-phase-proteins-among-hiv-1-positive-patients-in-uganda
#14
Kenneth Musinguzi, Andrew Obuku, Noeline Nakasujja, Harriet Birabwa, Juliet Nakku, Jonathan Levin, Eugene Kinyanda
BACKGROUND: Major depressive disorder (MDD) is a common psychiatric complication of HIV/AIDS. While considerable research has been undertaken to understand the psychosocial risk factors of MDD, there is a paucity of data on its biological risk factors including immunological factors. To address this we undertook a study to investigate the association between MDD and pro-inflammatory cytokines and acute phase proteins among persons living with HIV/AIDS (PLWHA) in Uganda. We collected clinical and laboratory data on 201 PLWHA attending two HIV clinics in central and southwestern Uganda...
January 3, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29287090/immune-activation-despite-preserved-cd4-t-cells-in-perinatally-hiv-infected-children-and-adolescents
#15
Patricia Alvarez, Mussa Mwamzuka, Fatma Marshed, Adam Kravietz, Tiina Ilmet, Aabid Ahmed, William Borkowsky, Alka Khaitan
BACKGROUND: HIV disease progresses more rapidly in children than adults with mortality rates exceeding 50% by 2 years of age without antiretroviral therapy (ART) in sub-Saharan Africa. Recent World Health Organization (WHO) guidelines recommend universal treatment for all living persons with HIV, yet there is limited supporting evidence in pediatric populations. The objective of this study was to determine whether CD4 cell counts reflect immunological markers associated with disease progression in ART naïve perinatally-infected HIV+ children and adolescents and their response to ART...
2017: PloS One
https://www.readbyqxmd.com/read/29280761/a-baseline-metabolomic-signature-is-associated-with-immunological-cd4-t-cell-recovery-after-36-months-of-art-in-hiv-infected-patients
#16
Esther Rodríguez-Gallego, Josep Gómez, Yolanda María Pacheco, Joaquim Peraire, Consuelo Viladés, Raúl Beltrán-Debón, Roger Mallol, Miguel López-Dupla, Sergi Veloso, Verónica Alba, Julià Blanco, Nicolau Cañellas, Anna Rull, Manuel Leal, Xavier Correig, Pere Domingo, Francesc Vidal
OBJECTIVES: Poor immunological recovery in treated HIV-infected patients is associated with greater morbidity and mortality. To date, predictive biomarkers of this incomplete immune reconstitution have not been established. We aimed to identify a baseline metabolomic signature associated with a poor immunological recovery after ART in order to envisage the underlying mechanistic pathways that influence the treatment response. DESIGN: This was a multi-centre, prospective cohort study in ART-naïve and a pre-ART low nadir (<200 cells/μl) HIV-infected patients (n = 64)...
December 26, 2017: AIDS
https://www.readbyqxmd.com/read/29261677/increased-soluble-il-7-receptor-concentrations-associate-with-improved-il-7-therapy-outcomes-in-siv-infected-art-treated-rhesus-macaques
#17
Amanda K Steele, Lorna Carrasco-Medina, Donald L Sodora, Angela M Crawley
The use of interleukin-7 (IL-7) as an immunorestorative therapeutic has proven effective in HIV infection, cancer and bone marrow transplantation. Mediating its activity through membrane-bound IL-7 receptor α (mCD127), IL-7 therapy increases T-cell numbers and survival. A soluble form, sCD127, is found in plasma, and we have previously identified increased plasma sCD127 concentrations in HIV infection. Furthermore, patients with high sCD127 exhibited the best viral control, implicating a role for IL-7 or sCD127 directly in improved virologic/immunologic outcomes...
2017: PloS One
https://www.readbyqxmd.com/read/29259582/experimental-oral-herpes-simplex-virus-1-hsv-1-co-infection-in-simian-immunodeficiency-virus-siv-infected-rhesus-macaques
#18
Meropi Aravantinou, Olga Mizenina, Giulia Calenda, Jessica Kenney, Ines Frank, Jeffrey D Lifson, Moriah Szpara, Lichen Jing, David M Koelle, Natalia Teleshova, Brooke Grasperge, James Blanchard, Agegnehu Gettie, Elena Martinelli, Nina Derby
Herpes simplex virus 1 and 2 (HSV-1/2) similarly initiate infection in mucosal epithelia and establish lifelong neuronal latency. Anogenital HSV-2 infection augments the risk for sexual human immunodeficiency virus (HIV) transmission and is associated with higher HIV viral loads. However, whether oral HSV-1 infection contributes to oral HIV susceptibility, viremia, or oral complications of HIV infection is unknown. Appropriate non-human primate (NHP) models would facilitate this investigation, yet there are no published studies of HSV-1/SIV co-infection in NHPs...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29258786/genetic-and-immune-determinants-of-immune-activation-in-hiv-exposed-seronegative-individuals-and-their-role-in-protection-against-hiv-infection
#19
Claudio Fenizia, Jean-François Rossignol, Mario Clerici, Mara Biasin
Soon thereafter infection is established, hosts strive for an efficient eradication of microorganisms, with as limited tissue damage as possible, and durable immunological protection against re-infection. On the other hand, pathogens have developed countermeasures to escape host surveillance and to warrant diffusion to other hosts. In this molecular arms race the final results relies on multiple variables, including the genetic and immunologic e correlates of protection available for the host. In the field of HIV-infection, natural protection has been repeatedly associated to the presence of an immune activation state, at least in some cohorts of HESN (HIV-exposed seronegative)...
December 16, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29250079/hiv-as-trojan-exosome-immunological-paradox-explained
#20
James E K Hildreth
The HIV pandemic is still a major global challenge, despite the widespread availability of antiretroviral drugs. An effective vaccine would be the ideal approach to bringing the pandemic to an end. However, developing an effective HIV vaccine has proven to be an elusive goal. Three major human HIV vaccine trials revealed a strong trend toward greater risk of infection among vaccine recipients versus controls. A similar observation was made in a macaque SIV vaccine study. The mechanism explaining this phenomenon is not known...
2017: Frontiers in Immunology
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