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https://www.readbyqxmd.com/read/29788075/effects-of-immunonutrition-in-advanced-hiv-disease-a-randomized-placebo-controlled-clinical-trial-promaltia-study
#1
Sergio Serrano-Villar, María de Lagarde, Jorge Vázquez-Castellanos, Alejandro Vallejo, J Ignacio Bernadino, Nadia Madrid, Mariano Matarranz, Alberto Díaz-Santiago, Carolina Gutiérrez, Alfonso Cabello, Judit Villar-García, José Ramón Blanco, Otilia Bisbal, Talía Sainz, Andrés Moya, Santiago Moreno, María José Gosalbes, Vicente Estrada
Background: While nutritional interventions with prebiotics and probiotics seem to exert immunological effects, their clinical implications in HIV-infected subjects initiating ART at advanced HIV disease remain unclear. Methodology: Pilot multicenter randomized, placebo-controlled, double-blind study in which 78 HIV-infected, ART-naive subjects with <350 CD4 T-cells/µl or AIDS were randomized to either daily PMT25341 (a mixture of prebiotics, probiotics, oligonutrients, DHA, EPA, GLA, and aminoacids) or placebo for 48 weeks, each in combination with first-line ART...
May 16, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29781885/improved-cognitive-performance-and-reduced-monocyte-activation-in-virally-suppressed-chronic-hiv-following-dual-ccr2-and-ccr5-antagonism
#2
Michelle L D'Antoni, Robert H Paul, Brooks I Mitchell, Lindsay Kohorn, Laurent Fischer, Eric Lefebvre, Star Seyedkazemi, Beau K Nakamoto, Maegen Walker, Kalpana J Kallianpur, Debra Ogata-Arakaki, Lishomwa C Ndhlovu, Cecilia Shikuma
OBJECTIVE: To evaluate changes in neuropsychological (NP) performance and in plasma and cell surface markers of peripheral monocyte activation/migration following treatment with cenicriviroc (CVC), a dual C-C chemokine receptor type 2 (CCR2) and type 5 (CCR5) antagonist, in treatment-experienced, HIV-infected individuals. SETTING: Single-arm, 24-week, open-label clinical trial. METHODS: HIV-infected individuals on antiretroviral therapy (ART) >1 year with plasma HIV RNA <50 copies/ml and below-normal cognitive performance [defined as age, gender and education-adjusted NP performance (NPZ) <-0...
May 16, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29771268/hiv-disease-is-associated-with-increased-biomarkers-of-endothelial-dysfunction-despite-viral-suppression-on-long-term-antiretroviral-therapy-in-botswana
#3
Mosepele Mosepele, Terence Mohammed, Lucy Mupfumi, Sikhulile Moyo, Kara Bennett, Shahin Lockman, Linda C Hemphill, Virginia A Triant
BACKGROUND: Untreated HIV infection is associated with increased biomarkers of endothelial dysfunction. However, the predictors and degree of endothelial dysfunction among virally suppressed HIV-infected adults on long-term antiretroviral therapy (ART) have not been well studied in sub-Saharan Africa (SSA). METHODS: We enrolled 112 HIV-infected adults with virological suppression on long-term ART and 84 HIV-uninfected controls in Botswana. We measured plasma levels of markers of endothelial injury [soluble vascular adhesion molecule 1 (VCAM-1), intercellular adhesion molecule 1 (ICAM-1) and E-selectin] and plasma levels of biomarkers of inflammation [interleukin 6 (IL-6)] and monocyte activation (sCD163)...
May 14, 2018: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/29741638/distribution-of-hiv-rna-in-csf-and-blood-is-linked-to-cd4-cd8-ratio-during-acute-hiv
#4
Phillip Chan, Payal Patel, Joanna Hellmuth, Donn J Colby, Eugène Kroon, Carlo Sacdalan, Suteeraporn Pinyakorn, Linda Jagodzinski, Shelly Krebs, Jintanat Ananworanich, Victor Valcour, Serena Spudich
Background: HIV RNA levels in the plasma and cerebrospinal fluid (CSF) are correlated in chronic HIV infection but their dynamics have not been characterized during acute infection. Methods: This study analyzed predictors of CSF HIV RNA and relative degree of CNS viral transmigration expressed as plasma minus CSF HIV log10 RNA (PCratio) during untreated acute HIV infection. CSF immune markers were compared between groups with different PCratio. Results: 117 mostly male (97%) participants in the RV254 cohort in Bangkok, Thailand, had median age 28 years and an estimated median 18 days duration of infection; forty-three (37%) were Fiebig stages I/II...
May 7, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29718342/increased-systemic-inflammation-and-gut-permeability-among-women-with-treated-hiv-infection-in-rural-uganda
#5
Mark J Siedner, Markella Zanni, Russell P Tracy, Douglas S Kwon, Alexander C Tsai, Bernard Kakuhire, Peter W Hunt, Samson Okello
In a cohort of HIV-infected individuals and age and sex-matched HIV-uninfected comparators, we assessed soluble (s)CD14, sCD163, interleukin (IL)-6, intestinal fatty acid binding protein (IFAPB) and high-sensitivity C-reactive protein (hs-CRP). The median age was 51 years; and among HIV+, median ART duration was 7 years, median CD4 T-cell count was 433, and 86% had an undetectable viral load. Although HIV+ had higher sCD14, IFABP and hs-CRP, we found evidence of interaction by sex, such that HIV+ women had greater differences versus HIV- compared to men...
April 28, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29683991/systemic-inflammation-immune-activation-and-impaired-lung-function-among-people-living-with-hiv-in-rural-uganda
#6
Crystal M North, Daniel Muyanja, Bernard Kakuhikire, Alexander C Tsai, Russell P Tracy, Peter W Hunt, Douglas S Kwon, David C Christiani, Samson Okello, Mark J Siedner
BACKGROUND: Although both chronic lung disease and HIV are inflammatory diseases common in sub-Saharan Africa, the relationship between systemic inflammation and lung function among people living with HIV (PLWH) in sub-Saharan Africa is not well described. METHODS: We measured lung function (using spirometry) and serum high sensitivity C-reactive protein, IL-6, sCD14 and sCD163 in 125 PLWH on stable antiretroviral therapy and 109 age and sex-similar HIV-uninfected controls in rural Uganda...
April 20, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29683841/monotypic-low-level-hiv-viremias-during-art-are-associated-with-disproportionate-production-of-x4-virions-and-systemic-immune-activation
#7
Marta E Bull, Caroline Mitchell, Jaime Soria, Sheila Styrchak, Corey Williams-Wietzikoski, Jillian Legard, Jennifer Mckernan-Mullin, Kelli Kraft, Frankline Onchiri, Joshua Stern, Sarah Holte, Kevin J Ryan, Edward P Acosta, Alberto La Rosa, Robert W Coombs, Eduardo Ticona, Lisa M Frenkel
OBJECTIVE: During effective antiretroviral therapy (ART), low-level plasma viremias (LLV) (HIV RNA >30-1000 copies/ml) can be detected intermittently. We hypothesized that systemic inflammation is associated with LLV either as the cause or result of the production of virions from clonally expanded cells. METHODS: Prospective cohort study of HIV-infected ART-naïve Peruvians enrolled prior to ART and followed for 2 years. Plasma HIV RNA and peripheral blood mononuclear cell (PBMC) HIV DNA concentrations were quantified pre-ART from individuals whose plasma HIV RNA was ART-suppressed...
April 19, 2018: AIDS
https://www.readbyqxmd.com/read/29663331/three-cases-of-advanced-cutaneous-angiosarcoma-treated-with-eribulin-investigation-of-serum-soluble-cd163-and-cxcl10-as-possible-biomarkers-predicting-the-biological-behaviour-of-angiosarcoma
#8
T Fujimura, Y Sato, Y Kambayashi, K Tanita, A Tsukada, H Terui, A Hashimoto, S Aiba
Cutaneous angiosarcoma (CAS) is a highly aggressive vascular tumour that recurs locally and metastasizes early. Although chemoradiotherapy with taxanes shows a high response rate with prolonged survival, second-line therapy for advanced CAS remains contentious. This report describes three cases of advanced CAS treated with eribulin. In addition, we investigated serum sCD163, CXCL10 and CCL22 levels at several time points of tumour progression in these patients, revealing serum levels of sCD163 and CXCL10 as potential biomarkers for progression of CAS...
April 17, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29657141/association-of-serum-soluble-cd163-with-polymyositis-and-dermatomyositis-especially-in-anti-mda5-antibody-positive-cases
#9
Hidenaga Kawasumi, Yasuhiro Katsumata, Akira Nishino, Shinya Hirahara, Yasushi Kawaguchi, Masataka Kuwana, Hisashi Yamanaka
OBJECTIVE: We elucidated the association of serum soluble CD163 (sCD163) with rapidly progressive interstitial lung disease (RP-ILD), autoantibody profiles, and serum ferritin in patients with polymyositis (PM), classic dermatomyositis (DM), and clinical amyopathic dermatomyositis (CADM). METHODS: Serum sCD163 levels were retrospectively measured by ELISA in patients with PM, classic DM, and CADM, as well as in healthy controls (HC). Repeat sera samples were obtained posttreatment from available patients...
April 15, 2018: Journal of Rheumatology
https://www.readbyqxmd.com/read/29643991/serum-levels-of-soluble-cd163-and-cxcl5-may-be-predictive-markers-for-immune-related-adverse-events-in-patients-with-advanced-melanoma-treated-with-nivolumab-a-pilot-study
#10
Taku Fujimura, Yota Sato, Kayo Tanita, Yumi Kambayashi, Atsushi Otsuka, Yasuhiro Fujisawa, Koji Yoshino, Shigeto Matsushita, Takeru Funakoshi, Hiroo Hata, Yuki Yamamoto, Hiroshi Uchi, Yumi Nonomura, Ryota Tanaka, Megumi Aoki, Keisuke Imafuku, Hisako Okuhira, Sadanori Furudate, Takanori Hidaka, Setsuya Aiba
Antibodies against PD-1, such as nivolumab and pembrolizumab, are widely used in the treatment of various cancers including advanced melanoma. The anti-PD-1 Ab significantly prolongs survival in patients with metastatic melanoma, and its administration in combination with local or systemic therapy may also lead to improved outcomes. Although anti-PD-1 Ab-based combined therapy might be effective for the treatment of advanced melanoma, the associated risk of irAEs is an important consideration. Therefore, being able to predict irAEs is of great interest to oncologists...
March 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29615725/epigenetic-alterations-are-associated-with-monocyte-immune-dysfunctions-in-hiv-1-infection
#11
Milena S Espíndola, Luana S Soares, Leonardo J Galvão-Lima, Fabiana A Zambuzi, Maira C Cacemiro, Verônica S Brauer, Cleni M Marzocchi-Machado, Matheus de Souza Gomes, Laurence R Amaral, Olindo A Martins-Filho, Valdes R Bollela, Fabiani G Frantz
Monocytes are key cells in the immune dysregulation observed during human immunodeficiency virus (HIV) infection. The events that take place specifically in monocytes may contribute to the systemic immune dysfunction characterized by excessive immune activation in infected individuals, which directly correlates with pathogenesis and progression of the disease. Here, we investigated the immune dysfunction in monocytes from untreated and treated HIV + patients and associated these findings with epigenetic changes...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29596112/vagal-dysfunction-and-small-intestinal-bacterial-overgrowth-novel-pathways-to-chronic-inflammation-in-hiv
#12
Jessica Robinson-Papp, Alexandra Nmashie-Osei, Elizabeth Pedowitz, Emma K T Benn, Mary C George, Sandeep Sharma, Jacinta Murray, Josef Machac, Sherif Heiba, Saurabh Mehandru, Seunghee Kim-Schulze, Allison Navis, Isabel Elicer, Susan Morgello
OBJECTIVE: Chronic inflammation in HIV-infected individuals drives disease progression and the development of comorbidities, despite viral suppression with combined antiretroviral therapy. Here, we sought evidence that vagal dysfunction, which occurs commonly as part of HIV-associated autonomic neuropathy, could exacerbate inflammation through gastrointestinal dysmotility, small intestinal bacterial overgrowth (SIBO), and alterations in patterns of soluble immune mediators. DESIGN: This is a cross-sectional observational study...
March 28, 2018: AIDS
https://www.readbyqxmd.com/read/29590318/intestinal-barrier-dysfunction-and-microbial-translocation-in-hiv-infected-pregnant-women-is-associated-with-preterm-birth
#13
Rupak Shivakoti, Nikhil Gupte, Nathella Pavan Kumar, Vandana Kulkarni, Usha Balasubramanian, Ramesh Bhosale, Pradeep Sambrey, Aarti Kinikar, Renu Bharadwaj, Sandesh Patil, Sadaf Inamdar, Nishi Suryavanshi, Subash Babu, Robert C Bollinger, Amita Gupta
Background: Preterm birth (PTB) rates are high in HIV-infected populations, even when on treatment. Still, only a subset of all births in HIV-infected pregnant women result in PTB, suggesting risk factors other than HIV infection itself are also important. Inflammation is a known risk factor in uninfected populations but their role in HIV-infected population have not been studied; in addition, the immune pathways involved are not clear and non-invasive immune markers with predictive value are lacking...
March 24, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29548604/effect-of-influenza-vaccine-on-tumor-necrosis-factor-like-weak-inducer-of-apoptosis-tweak-in-older-adults
#14
Maryam Keshtkar-Jahromi, Min Ouyang, Marzieh Keshtkarjahromi, Samah Almed, Huifen Li, Jeremy D Walston, Rebeca Rios, Sean X Leng
Influenza immunization is recommended for older adults annually, and has been reported to have cardiovascular protective effects. TNF-related weak inducer of apoptosis (TWEAK), an inflammatory mediator implicated in the development of cardiovascular diseases, could be a mechanism for such effect. The objective of this study was to evaluate the effect of influenza vaccine on TWEAK levels. Older persons over 70 years of age were recruited during 2007-2008 influenza season and immunized with the standard dose trivalent inactivated influenza vaccine...
April 12, 2018: Vaccine
https://www.readbyqxmd.com/read/29523966/soluble-cd163-and-soluble-cd14-plasma-levels-but-not-cellular-hiv-dna-decrease-during-successful-interferon-free-anti-hcv-therapy-in-hiv-1-hcv-co-infected-patients-on-effective-combined-anti-hiv-treatment
#15
Saverio G Parisi, Samantha Andreis, Carlo Mengoli, Nicola Menegotto, Silvia Cavinato, Renzo Scaggiante, Massimo Andreoni, Giorgio Palù, Monica Basso, Anna Maria Cattelan
Soluble CD163, soluble CD14 and cellular HIV-1-DNA levels reflect two different aspects of HIV infection: immune activation and the reservoir of infected cells. The aim of this study was to describe their relationships in a cohort of HIV-HCV co-infected patients successfully treated for both HCV and HIV infections. Fifty-five patients were recruited and studied prior to the start of direct-acting antivirals (DAAs) (T0), at week 12 of DAA treatment (T1) and 24 weeks after T0 (T2). The subjects were classified as having undetectable plasma HIV viraemia (UV) or low-level viraemia (LLV) in the 18 months before T2...
March 9, 2018: Medical Microbiology and Immunology
https://www.readbyqxmd.com/read/29518260/inflammatory-intrathecal-profiles-and-cortical-damage-in-multiple-sclerosis
#16
Roberta Magliozzi, Owain W Howell, Richard Nicholas, Carolina Cruciani, Marco Castellaro, Chiara Romualdi, Stefania Rossi, Marco Pitteri, Maria Donata Benedetti, Alberto Gajofatto, Francesca B Pizzini, Stefania Montemezzi, Sarah Rasia, Ruggero Capra, Alessandra Bertoldo, Francesco Facchiano, Salvatore Monaco, Richard Reynolds, Massimiliano Calabrese
OBJECTIVE: Gray matter (GM) damage and meningeal inflammation have been associated with early disease onset and a more aggressive disease course in multiple sclerosis (MS), but can these changes be identified in the patient early in the disease course? METHODS: To identify possible biomarkers linking meningeal inflammation, GM damage, and disease severity, gene and protein expression were analyzed in meninges and cerebrospinal fluid (CSF) from 27 postmortem secondary progressive MS and 14 control cases...
April 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29506265/urinary-and-serum-soluble-cd25-complements-urinary-soluble-cd163-to-detect-active-renal-anti-neutrophil-cytoplasmic-autoantibody-associated-vasculitis-a-cohort-study
#17
Gerjan J Dekkema, Wayel H Abdulahad, Theo Bijma, Sarah M Moran, Louise Ryan, Mark A Little, Coen A Stegeman, Peter Heeringa, Jan-Stephan F Sanders
Background: Early detection of renal involvement in anti-neutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis (AAV) is of major clinical importance to allow prompt initiation of treatment and limit renal damage. Urinary soluble cluster of differentiation 163 (usCD163) has recently been identified as a potential biomarker for active renal vasculitis. However, a significant number of patients with active renal vasculitis test negative using usCD163. We therefore studied whether soluble CD25 (sCD25), a T cell activation marker, could improve the detection of renal flares in AAV...
March 1, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29443378/hepatitis-c-virus-e2-envelope-glycoprotein-induces-an-immunoregulatory-phenotype-in-macrophages
#18
Young-Chan Kwon, Keith Meyer, Guangyong Peng, Soumya Chatterjee, Daniel F Hoft, Ranjit Ray
A comprehensive strategy to control HCV infection needs a vaccine. Our phase I study with recombinant HCV E1/E2 EnvGPs as a candidate vaccine did not induce a strong immune response in volunteers. We analyzed the interactions of HCV EnvGPs with human monocyte derived macrophages as antigen presenting cells. HCV E2 induced immune regulatory cytokine IL-10 and sCD163 protein expression in macrophages from 7 of 9 blood donors tested. Further, HCV E2 enhanced Stat3 and suppressed Stat1 activation, reflecting macrophage polarization towards M2 phenotype...
February 14, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29424780/insulin-like-growth-factor-1-inversely-relates-to-monocyte-macrophage-activation-markers-in-hiv
#19
Lindsay T Fourman, Natalia Czerwonka, Sofia D Shaikh, Takara L Stanley, Tricia H Burdo, Kenneth C Williams, Kathleen V Fitch, Janet Lo, Steven K Grinspoon
OBJECTIVE: Monocyte/macrophage activation is increased among people with HIV, and may contribute to the heightened risk of atherosclerosis and neurocognitive dysfunction in this population. Insulin-like growth factor 1 (IGF-1) has been shown to attenuate the innate immune response in animal models of atherosclerosis and inflammatory bowel disease. We investigated, for the first time, relationships of circulating IGF-1 with monocyte/macrophage-specific indices among HIV-infected individuals and uninfected controls...
April 24, 2018: AIDS
https://www.readbyqxmd.com/read/29383956/the-macrophage-activation-marker-smr-as-a-diagnostic-and-prognostic-marker-in-patients-with-acute-infectious-disease-with-or-without-sepsis
#20
Mette Marie Relster, Shahin Gaini, Holger Jon Møller, Isik Somuncu Johansen, Court Pedersen
Sepsis is a leading cause of mortality. This study aims to assess the utility of the soluble mannose receptor (sMR) as a biomarker of sepsis and mortality in patients hospitalized with suspected infection. Using an in-house ELISA assay the concentration of sMR was analyzed in the serum of patients from three prospective studies. Using Sepsis-3 guidelines, patients were stratified as no infection (NI, n = 68), verified infection without sepsis (NSEP, n = 133) and verified infection with sepsis (SEP, n = 190)...
May 2018: Scandinavian Journal of Clinical and Laboratory Investigation
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