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https://www.readbyqxmd.com/read/29165615/human-herpesvirus-8-in-perinatally-hiv-infected-children-with-interstitial-lung-disease
#1
Marcelo Comerlato Scotta, Alexandre Todorovic Fabro, Paula Renata Lima Machado, Simone Gusmão Ramos, Maria Célia Cervi, Benedito Antônio Lopes da Fonseca, Fabrizio Motta, Bento Vidal de Moura Negrini
Introduction: Human herpesvirus 8 (HHV-8) is associated with the pathogenesis of Kaposi Sarcoma and interstitial pneumonitis in adults. This study aims to evaluate association between HHV-8 and interstitial lung disease in HIV-infected children. Methods: HIV-infected children with interstitial pneumonitis underwent lung biopsies in a tertiary hospital and were investigated for HHV-8, Epstein-Barr virus (EBV) and cytomegalovirus (CMV) using polymerase chain reaction (PCR) and immunohistochemistry in lung tissue...
November 20, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/29165511/-cystoisospora-belli-infection-in-hiv-patients-analysis-of-cases-with-different-clinical-evolution
#2
Heber Silva-Díaz, Darwin Fernández-Valverde, Gustavo Hernández-Córdova, Virgilio E Failoc-Rojas
INTRODUCTION: Cystoisospora belli infection is one of the most important causes of watery diarrhea in patients with HIV and causes high rates of morbidity and mortality. METHODS: A retrospective study was conducted in patients with HIV and diarrhea by C. belli. Clinical and laboratory characteristics were collected by analyzing clinical records. RESULTS: Four had recurrent diarrhea despite receiving secondary prophylaxis with cotrimoxazole and specific treatment, two of which had a good viral and immunological response to highly active antiretroviral therapy (HAART) at the time of diagnosis and antiparasitic treatment...
August 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/29160731/combination-antiretroviral-therapy-accelerates-immune-recovery-in-patients-with-hiv-related-lymphoma-treated-with-epoch-a-comparison-within-one-prospective-trial-amc034
#3
Carlyn Rose C Tan, Stefan K Barta, Jeannette Lee, Michelle A Rudek, Joseph A Sparano, Ariela Noy
Drug-drug interactions between cART and chemotherapy may impact HIV and lymphoma control or lead to increased toxicities. No prospective comparative data informs potential harms and benefits. In AMC034, HIV-associated high-grade B-cell NHL patients received DA-EPOCH with rituximab. cART was given with EPOCH or delayed until chemotherapy completion per investigator choice. Pharmacokinetic, immunological, and treatment effects of concurrent cART were evaluated. CD4 counts dropped during EPOCH in both groups but recovered to higher than baseline 6 months post-EPOCH only in the cART group...
November 21, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29144838/human-t-cell-leukemia-virus-type-1-persistence-and-pathogenesis
#4
Charles R M Bangham
Human T cell leukemia virus type 1 (HTLV-1), also known as human T lymphotropic virus type 1, was the first exogenous human retrovirus discovered. Unlike the distantly related lentivirus HIV-1, HTLV-1 causes disease in only 5-10% of infected people, depending on their ethnic origin. But whereas HIV-1 infection and the consequent diseases can be efficiently contained in most cases by antiretroviral drug treatment, there is no satisfactory treatment for the malignant or inflammatory diseases caused by HTLV-1...
November 16, 2017: Annual Review of Immunology
https://www.readbyqxmd.com/read/29140932/characteristics-of-treatment-experienced-hiv-infected-african-children-and-adolescents-initiating-darunavir-and-or-etravirine-based-antiretroviral-treatment
#5
Bethany Corrigan, Irene Mukui, Lloyd Mulenga, Nobuhle Mthethwa, Mosilinyane Letsie, Stephanie Bruno, Natella Rakhmanina
BACKGROUND: Data are limited on the selection and sequencing of second and third-line pediatric antiretroviral treatment (ART) in resource-limited settings. This study aimed to evaluate characteristics of African pediatric patients initiated on darunavir (DRV) and/or etravirine (ETR) through a specific drug donation program. METHODS: This was a cross-sectional study of baseline immunologic, virologic and demographic characteristics of children and adolescents initiating DRV- and/or ETR-based ART...
November 14, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29140108/cytomegalovirus-and-hiv-persistence-pouring-gas-on-the-fire
#6
Aaron Christensen-Quick, Christophe Vanpouille, Andrea Lisco, Sara Gianella
The inherent stability of a small population of T cells that are latently infected with HIV despite antiretroviral therapy (ART) remains a stubborn obstacle to an HIV cure. By exploiting the memory compartment of our immune system, HIV maintains persistence in a small subset of quiescent cells with varying phenotypes, thus evading immune surveillance and clinical detection. Understanding the molecular and immunological mechanisms that maintain the latent reservoir will be critical to the success of HIV eradication strategies...
November 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/29139476/detection-of-hiv-1-specific-gastrointestinal-tissue-resident-cd8-t-cells-in-chronic-infection
#7
Brenna E Kiniry, Shengbin Li, Anupama Ganesh, Peter W Hunt, Ma Somsouk, Pamela J Skinner, Steven G Deeks, Barbara L Shacklett
Tissue-resident memory (TRM) CD8(+) T-cells are non-recirculating, long-lived cells housed in tissues that can confer protection against mucosal pathogens. Human immunodeficiency virus-1 (HIV-1) is a mucosal pathogen and the gastrointestinal tract is an important site of viral pathogenesis and transmission. Thus, CD8(+) TRM cells may be an important effector subset for controlling HIV-1 in mucosal tissues. This study sought to determine the abundance, phenotype, and functionality of CD8(+) TRM cells in the context of chronic HIV-1 infection...
November 15, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/29136037/safety-pharmacokinetics-and-immunological-activities-of-multiple-intravenous-or-subcutaneous-doses-of-an-anti-hiv-monoclonal-antibody-vrc01-administered-to-hiv-uninfected-adults-results-of-a-phase-1-randomized-trial
#8
Kenneth H Mayer, Kelly E Seaton, Yunda Huang, Nicole Grunenberg, Abby Isaacs, Mary Allen, Julie E Ledgerwood, Ian Frank, Magdalena E Sobieszczyk, Lindsey R Baden, Benigno Rodriguez, Hong Van Tieu, Georgia D Tomaras, Aaron Deal, Derrick Goodman, Robert T Bailer, Guido Ferrari, Ryan Jensen, John Hural, Barney S Graham, John R Mascola, Lawrence Corey, David C Montefiori
BACKGROUND: VRC01 is an HIV-1 CD4 binding site broadly neutralizing antibody (bnAb) that is active against a broad range of HIV-1 primary isolates in vitro and protects against simian-human immunodeficiency virus (SHIV) when delivered parenterally to nonhuman primates. It has been shown to be safe and well tolerated after short-term administration in humans; however, its clinical and functional activity after longer-term administration has not been previously assessed. METHODS AND FINDINGS: HIV Vaccine Trials Network (HVTN) 104 was designed to evaluate the safety and tolerability of multiple doses of VRC01 administered either subcutaneously or by intravenous (IV) infusion and to assess the pharmacokinetics and in vitro immunologic activity of the different dosing regimens...
November 2017: PLoS Medicine
https://www.readbyqxmd.com/read/29131713/vaccines-we-need-but-don-t-have
#9
Stanley A Plotkin
Vaccinations have had tremendous success in the 20th century. However, in the 21st century, we are facing complex immunological issues in relation to controlling underlying infectious diseases. Therefore, new technologies are needed to develop vaccines against infectious diseases like respiratory syncytial virus, human immunodeficiency virus, and cytomegalovirus. In addition, recent emerging infections have taught us that we must prepare preventative measures in advance using our scientific abilities.
November 13, 2017: Viral Immunology
https://www.readbyqxmd.com/read/29117430/biological-false-positive-venereal-disease-research-laboratory-test-in-cerebrospinal-fluid-in-the-diagnosis-of-neurosyphilis-a-case-control-study
#10
S Zheng, R J Lin, Y H Chan, Ccl Ngan
BACKGROUND: There is no clear consensus on the diagnosis of neurosyphilis. The Venereal Disease Research Laboratory (VDRL) test from cerebrospinal fluid (CSF) has traditionally been considered the gold standard for diagnosing neurosyphilis, but is widely known to be insensitive. OBJECTIVE: In this study, we compared the clinical and laboratory characteristics of true positive VDRL-CSF cases with biological false positive VDRL-CSF cases. METHODS: We retrospectively identified cases of true and false positive VDRL-CSF across a 3-year period received by the Immunology and Serology Laboratory, Singapore General Hospital...
November 8, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29112991/immuno-virological-response-and-associated-factors-amongst-hiv-1-vertically-infected-adolescents-in-yaound%C3%A3-cameroon
#11
Joseph Fokam, Serge Clotaire Billong, Franck Jogue, Suzie Moyo Tetang Ndiang, Annie Carole Nga Motaze, Koki Ndombo Paul, Anne Esther Njom Nlend
INTRODUCTION: Limited studies have reported the outcomes of lifelong antiretroviral therapy (ART) amongst adolescents living with HIV (ALWHIV) in resource-limited settings (RLS), thus classifying this population as underserved. We therefore aimed to ascertain the immunological and virological responses, and associated factors amongst Cameroonian ALWHIV. METHOD: A cross-sectional and observational study was conducted from January through May 2016 at the National Social Insurance Fund Health Centre in Yaoundé-Cameroon...
2017: PloS One
https://www.readbyqxmd.com/read/29108855/hiv-patients-healthy-aging-and-transplant-recipients-can-reveal-the-hidden-footprints-of-cmv
#12
REVIEW
Shelley Waters, Emily Brook, Silvia Lee, Riwanti Estiasari, Ibnu Ariyanto, Patricia Price
Cytomegalovirus (CMV) is a β-herpesvirus. Latent infections are common in all populations. However age-associated increases in levels of CMV-reactive antibody are testament to a repeated reactivations and periods of viral replication. CMV has been associated with several diseases of aging, including vasculopathy and neurocognitive impairment. These conditions occur at a younger age in persons with particularly high burdens of CMV - transplant recipients and people living with HIV. Here we define the "clinical footprints" as immunopathologies triggered by CMV that develop over many years...
November 3, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/29103079/effectiveness-of-kidney-transplantation-in-hiv-infected-recipients-under-combination-antiretroviral-therapy-a-single-cohort-experience-brescia-northern-italy
#13
Ilaria Izzo, Salvatore Casari, Nicola Bossini, Maria Antonia Forleo, Silvio Sandrini, Emanuele Focà, Nigritella Brianese, Giulia Zambolin, Claudia Chirico, Giovanni Cancarini, Francesco Castelli
PURPOSE: Kidney transplantation was recently introduced for the treatment of end stage renal disease (ESRD) in HIV-infected patients. We report the results of the first 28 procedures at our centre. METHODS: A retrospective study was conducted on HIV-infected patients evaluated for kidney transplantation between January 2005 and October 2016. Patients were selected and monitored by the kidney transplantation and infectious diseases teams, according to the national protocol...
November 4, 2017: Infection
https://www.readbyqxmd.com/read/29099538/how-immunologic-and-genetic-biomarkers-impact-hodgkin-lymphoma-classification-diagnosis-and-management-a-huge-potential-that-yet-needs-to-be-exploited
#14
Antonino Carbone, Annunziata Gloghini
"Ne è passata di acqua sotto i ponti." It has been a long time since the diagnosis of Hodgkin lymphoma (HL) was exclusively based on the detection of typical Reed-Sternberg cells and the recognition of the characteristic morpho-histological background, as well as on the pathologist's skill. The discovery of immunologic, molecular genetic and virologic biomarkers has provided an objective contribution to the diagnosis and a scientific basis for a modern classification of HL. Recent updates have clarified the nature of the so-called nodular lymphocyte predominant HL and its link to the T-cell/histiocyte-rich large B-cell lymphomas as well as its relationship with the lymphocyte-rich subset of classical HL (CHL)...
October 28, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/29095936/predictors-of-first-line-antiretroviral-therapy-failure-amongst-hiv-infected-adult-clients-at-woldia-hospital-northeast-ethiopia
#15
Yohannes Demissie Babo, Getahun Asres Alemie, Fasil Walelign Fentaye
BACKGROUND: Due to the limited availability of viral load testing for treatment outcome monitoring in resource limited settings, identifying predictive factors of antiretroviral treatment failure will help in selecting clients who will benefit most from the targeted use of viral load monitoring. Little is known about the predictors of treatment failure in the study area. This study was conducted to determine factors that predict first-line antiretroviral therapy failure among HIV-infected adult clients at Woldia Hospital, Northeast Ethiopia...
2017: PloS One
https://www.readbyqxmd.com/read/29093707/add-on-pyridostigmine-enhances-cd4-t-cell-recovery-in-hiv-1-infected-immunological-non-responders-a-proof-of-concept-study
#16
Sergio I Valdés-Ferrer, José C Crispín, Pablo F Belaunzarán-Zamudio, Carlos A Rodríguez-Osorio, Bernardo Cacho-Díaz, Jorge Alcocer-Varela, Carlos Cantú-Brito, Juan Sierra-Madero
Background: In human immunodeficiency virus (HIV)-infection, persistent T-cell activation leads to rapid turnover and increased cell death, leading to immune exhaustion and increased susceptibility to opportunistic infections. Stimulation of the vagus nerve increases acetylcholine (ACh) release and modulates inflammation in chronic inflammatory conditions, a neural mechanism known as the cholinergic anti-inflammatory pathway (CAP). Pyridostigmine (PDG), an ACh-esterase inhibitor, increases the half-life of endogenous ACh, therefore mimicking the CAP...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29091208/cd4-t-cell-decline-following-hiv-seroconversion-in-individuals-with-and-without-cxcr4-tropic-virus
#17
Jade Ghosn, Tatiana Bayan, Karolin Meixenberger, Laurent Tran, Pierre Frange, Antonella d'Arminio Monforte, Robert Zangerle, Carmen de Mendoza, Evguenia Krastinova, Kholoud Porter, Laurence Meyer, Marie-Laure Chaix
Background: The natural clinical and immunological courses following HIV seroconversion with CXCR4-tropic or dual-mixed (X4/DM) viruses are controversial. We compared spontaneous immunological outcome in patients harbouring an X4/DM virus at the time of seroconversion with those harbouring a CCR5-tropic (R5) virus. Methods: Data were included from patients participating in CASCADE, a large cohort collaboration of HIV seroconverters, with ≥2 years of follow-up since seroconversion...
October 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29090302/carbosilane-dendrons-with-fatty-acids-at-the-core-as-a-new-potential-microbicide-against-hsv-2-hiv-1-co-infection
#18
C Guerrero-Beltrán, R Ceña-Diez, D Sepúlveda-Crespo, J De la Mata, R Gómez, M Leal, M A Muñoz-Fernández, J L Jiménez
Herpes simplex virus type 2 (HSV-2) and human immunodeficiency virus type 1 (HIV-1) represent the two most frequent sexually transmitted infections (STI) worldwide. Epidemiological studies suggest that HSV-2 increases the risk of HIV-1 acquisition approximately 3-fold mainly due to the clinical and immunological manifestations. In the absence of vaccines against both STI, the development of new preventive strategies has become essential for further studies. We performed the screening of six novel polyanionic carbosilane dendrons to elucidate their potential activity against HSV-2/HIV-1 co-infection and their mechanism of action...
November 16, 2017: Nanoscale
https://www.readbyqxmd.com/read/29084047/infection-by-htlv-1-is-associated-with-high-levels-of-pro-inflammatory-cytokines-in-hiv-hcv-coinfected-patients
#19
Carlos Brites, Marcos Abrahão, Patrícia Bozza, Eduardo M Netto, André Lyra, Fabianna Bahia
OBJECTIVES: HIV, HCV, and HTLV-1 share the same routes of infection, making coinfection by these viruses a frequent finding in endemic areas. However, there is scarce information on the clinical / immunological consequences of triple infection. Coinfection by HTLV-1 is able to modulate cytokine´s production in HIV patients, but there is no data on the immune response of HIV-HCV-HTLV-1 infected patients METHODS:: we compared the plasma levels of 25 different cytokines in HIV-HCV patients, according to their serostatus to HTLV-1 infection...
October 27, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29081916/prospective-study-of-human-herpesvirus-8-oral-shedding-viremia-and-serological-status-among-human-immunodeficiency-virus-seropositive-and-seronegative-individuals-in-sao-paulo-brazil
#20
Paulo H Braz-Silva, Tania R Tozetto-Mendoza, Laura M Sumita, Wilton Freire, Michelle Palmieri, Alan M do Canto, Vivian I Avelino-Silva, Marina Gallottini, Philippe Mayaud, Claudio S Pannuti
Human herpesvirus 8 (HHV-8) is a gamma-herpesvirus and etiological agent of all forms of Kaposi sarcoma (KS). Saliva may play an important role in HHV-8 transmission in specific populations. Little is known about HHV-8 oral shedding pattern and the possible correlation with the HHV-8 serological profile and viremia. A prospective study was conducted of HHV-8 salivary excretion among human immunodeficiency virus HIV-seronegative (n = 47) and -seropositive (n = 44) homosexual men and HIV-seropositive women (n = 32) over a 6-month period with monthly HHV-8 serologies (immunofluorescence assays to identify antibodies to latent and lytic HHV-8 viral proteins, and a whole-virus HHV-8 enzyme-linked immunosorbent assay [ELISA]), monthly HHV-8 DNA serum/plasma detection, and daily self-collected oral rinses for HHV-8-DNA detection using real-time polymerase chain reaction...
2017: Journal of Oral Microbiology
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