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https://www.readbyqxmd.com/read/27880829/interleukin-15-il-15-strongly-correlates-with-increasing-hiv-1-viremia-and-markers-of-inflammation
#1
Sanjay Swaminathan, Ju Qiu, Adam W Rupert, Zonghui Hu, Jeanette Higgins, Robin L Dewar, Randy Stevens, Catherine A Rehm, Julia A Metcalf, Brad T Sherman, Michael W Baseler, H Clifford Lane, Tomozumi Imamichi
OBJECTIVE: IL-15 has been postulated to play an important role in HIV-1 infection, yet there are conflicting reports regarding its expression levels in these patients. We sought to measure the level of IL-15 in a large, well characterised cohort of HIV-1 infected patients and correlate this with well known markers of inflammation, including CRP, D-dimer, sCD163 and sCD14. DESIGN AND METHODS: IL-15 levels were measured in 501 people (460 patients with HIV-1 infection and 41 uninfected controls)...
2016: PloS One
https://www.readbyqxmd.com/read/27870882/immune-activation-at-sites-of-hiv-tb-co-infection-contributes-to-the-pathogenesis-of-hiv-1-disease
#2
Qinglai Meng, Ismail Sayin, David H Canaday, Harriet Mayanja-Kizza, Joy Baseke, Zahra Toossi
Systemic immune activation is critical to the pathogenesis of HIV-1 disease, and is accentuated in HIV/TB co-infected patients. The contribution of immune activation at sites of HIV/TB co-infection to viral activity, CD4 T cell count, and productive HIV-1 infection remain unclear. In this study, we measured markers of immune activation both in pleural fluid and plasma, and in T cells in pleural fluid mononuclear cell (PFMC) and peripheral blood mononuclear cell (PBMC) in HIV/TB co-infected subjects. The relationship between soluble and T cell activation markers with viral load in pleural fluid and blood CD4 T cell count were assessed...
2016: PloS One
https://www.readbyqxmd.com/read/27828874/soluble-cd163-in-cmv-infected-and-uninfected-subjects-on-virologically-suppressive-antiretroviral-therapy-in-the-icona-cohort
#3
Serena Vita, Miriam Lichtner, Giulia Marchetti, Claudia Mascia, Esther Merlini, Paola Cicconi, Vincenzo Vullo, Pierluigi Viale, Andrea Costantini, Antonella DʼArminio Monforte
AIMS: To contribute to the understanding of the role played by CMV in sustaining monocyte/macrophage-mediated immune activation in ART treated HIV infected subjects. DESIGN: and Methods: We selected 23 CMV-uninfected and 46 CMV-infected HIV+ subjects, matched for age, CD4 nadir, HIV infection duration, viral hepatitis serostatus. All subjects were on successful ART since at least 1 year. A group of 16 healthy donors with similar age and sex was also included. Plasma levels of TNF-α, IL-6, sCD163, sCD14 and CMV IgG levels were measured in duplicate with human ELISA kits...
November 4, 2016: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27789726/monocyte-activation-is-associated-with-worse-cognitive-performance-in-virologically-suppressed-hiv-infected-women
#4
Brandon M Imp, Leah H Rubin, Phyllis C Tien, Michael W Plankey, Elizabeth T Golub, Audrey L French, Victor G Valcour
BACKGROUND:  Cognitive impairment persists despite suppression of plasma HIV RNA. Monocyte-related immune activation is a likely mechanism. We examined immune activation and cognition in a cohort of HIV-infected and -uninfected women from the Women's Interagency HIV Study (WIHS). METHODS:  Blood levels of activation markers, soluble CD163 (sCD163), soluble CD14 (sCD14), CRP, IL-6, and a gut microbial translocation marker (intestinal fatty acid binding protein (I-FABP)) were measured in 253 women (73% HIV-infected)...
October 26, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27742226/equivalent-decline-in-inflammation-markers-with-tenofovir-disoproxil-fumarate-vs-tenofovir-alafenamide
#5
Nicholas T Funderburg, Grace A McComsey, Manjusha Kulkarni, Tammy Bannerman, Jessica Mantini, Bernadette Thornton, Hui C Liu, Yafeng Zhang, Qinghua Song, Liang Fang, Jason Dinoso, Andrew Cheng, Scott McCallister, Marshall W Fordyce, Moupali Das
BACKGROUND: Initiation of antiretroviral therapy (ART) and subsequent virologic suppression reduces immune activation and systemic inflammation. METHODS: We examined longitudinal changes in biomarkers of monocyte activation (sCD14, sCD163), and systemic (IL-6, hsCRP, sTNFR-I and D-dimer) and vascular (Lp-PLA2) inflammation in a subgroup (N=100 per arm) of participants enrolled in a randomized, placebo-controlled trial comparing elvitegravir/cobicistat/emtricitabine/tenofovir alafenamide (E/C/F/TAF; TAF) to E/C/F/tenofovir disoproxil fumarate (E/C/F/TDF; TDF) in treatment-naïve adults...
October 11, 2016: EBioMedicine
https://www.readbyqxmd.com/read/27733938/serum-soluble-cd163-and-its-association-with-various-disease-parameters-in-patients-with-systemic-sclerosis
#6
Waleed Ahmed Salah Eldeen Hassan, Eman Abd Elaleem Baraka, Basant Mohammed Elnady, Tahany Mahmoud Gouda, Nehad Fouad
OBJECTIVE: Cluster of differentiation 163 (CD163) is a receptor that binds haptoglobin-hemoglobin complexes and is mainly expressed on macrophages and monocytes. As a result of shedding, the extracellular portion of CD163 circulates in the blood as a soluble CD163 (sCD163). This study aimed to measure serum sCD163 levels in patients with systemic sclerosis (SSc) and to assess its association with the clinical, laboratory, and radiological features of the disease. MATERIAL AND METHODS: We measured serum sCD163 levels in 24 patients with SSc and in 30 healthy controls...
September 2016: Eur J Rheumatol
https://www.readbyqxmd.com/read/27725129/glucocorticoid-receptor-haplotypes-conferring-increased-sensitivity-bcli-and-n363s-are-associated-with-faster-progression-of-multiple-sclerosis
#7
Jeroen Melief, Jan W Koper, Erik Endert, Holger J Møller, Jörg Hamann, Bernard M Uitdehaag, Inge Huitinga
As high cortisol levels are implicated in suppressed disease activity of multiple sclerosis (MS), glucocorticoid receptor (GR) polymorphisms that affect glucocorticoid (GC) sensitivity may impact on this by changing local immunomodulation or regulation of the hypothalamus-pituitary-adrenal (HPA)-axis. In this post-mortem study, we investigated whether GR haplotypes affect MS disease course and production of cortisol and soluble CD163 (sCD163), a molecule induced by GC on microglia/macrophages. We found that GR haplotypes that confer high GC sensitivity are associated with more aggressive MS but do not affect levels of cortisol secreted by the HPA-axis or shedding of CD163...
October 15, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27688939/a-multi-biomarker-follow-up-study-of-patients-with-multiple-sclerosis
#8
Morten Stilund, Mikkel Carstensen Gjelstrup, Tove Christensen, Holger Jon Møller, Thor Petersen
OBJECTIVES: This study aimed to examine the levels of the macrophage marker sCD163 and other biomarkers at the time of diagnosis of patients with either clinically isolated syndrome (CIS) or relapsing-remitting multiple sclerosis (RRMS), and assess relation to clinical indicators of prognosis, disease activity (DA), and changes in the levels of these biomarkers at follow-up. MATERIALS AND METHODS: The clinical status and MRI were reevaluated in 56 patients more than 1 year after diagnosis with a median follow-up time of 2 years...
September 2016: Brain and Behavior
https://www.readbyqxmd.com/read/27685837/cd163-levels-pro-and-anti-inflammatory-cytokine-secretion-of-monocytes-in-children-with-pulmonary-tuberculosis
#9
Esin Aktas Cetin, Leyla Pur Ozyigit, Yusuf Metin Gelmez, Erkan Cakir, Ahmet Hakan Gedik, Gunnur Deniz
OBJECTIVES: Childhood tuberculosis (TB) comprises an important part of the world's TB burden. Monocytes set up the early phase of infection because of innate immune responses. Understanding the changes in monocyte subsets during multisystem infectious diseases may be important for the development of novel diagnostic and therapeutic strategies. The aim of this study was to evaluate the monocyte phenotype together with the cytokine secretion profiles of children with pulmonary tuberculosis...
September 29, 2016: Pediatric Pulmonology
https://www.readbyqxmd.com/read/27684274/utility-of-macrophage-activated-marker-cd163-for-diagnosis-and-prognosis-in-pulmonary-tuberculosis
#10
Yuzo Suzuki, Masahiro Shirai, Kazuhiro Asada, Seiichi Miwa, Masato Karayama, Yutaro Nakamura, Naoki Inui, Toshihiro Shirai, Hiroshi Hayakawa, Satoshi Baba, Takafumi Suda
RATIONALE: Tuberculosis (TB) is a leading cause of death among infectious diseases worldwide. Accumulated knowledge has revealed that macrophages are deeply involved in the progression and pathogenesis of TB. We hypothesized that the evaluation of a macrophage activation marker may be useful in the diagnosis and assessment of pulmonary TB. OBJECTIVES: To examine the utility of the macrophage-activation marker sCD163 as a diagnostic tool and measure of disease severity for pulmonary TB and tuberculous pleurisy...
September 29, 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27683822/cigarette-smoking-and-inflammation-monocyte-activation-and-coagulation-in-hiv-infected-individuals-on-antiretroviral-therapy-compared-to-uninfected-individuals
#11
Katherine W Kooij, Ferdinand W N M Wit, Thijs Booiman, Marc van der Valk, Maarten F Schim van der Loeff, Neeltje A Kootstra, Peter Reiss
Smoking may affect cardiovascular disease risk more strongly in HIV-infected compared to HIV-uninfected individuals. We hypothesized that an interaction at the level of the immune system may contribute to this increased risk. We assessed soluble markers of inflammation (high-sensitivity C-reactive protein [hsCRP]), immune activation (soluble [s]CD14 and sCD163) and coagulation (D-dimer) in HIV-infected and uninfected never, former and current smokers. Smoking was independently associated with higher hsCRP levels and lower sCD163 levels, and at borderline significance with higher sCD14 and D-dimer levels; we found no evidence of a differential effect of smoking in HIV-infected compared to uninfected individuals...
September 28, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27679428/single-centre-experience-of-the-macrophage-activation-marker-soluble-s-cd163-associations-with-disease-activity-and-treatment-response-in-patients-with-autoimmune-hepatitis
#12
H Grønbaek, M Kreutzfeldt, K Kazankov, N Jessen, T Sandahl, S Hamilton-Dutoit, H Vilstrup, H J Møller
BACKGROUND: Autoimmune hepatitis (AIH) is characterised by liver inflammation with reversibility upon anti-inflammatory treatment. Soluble (s)CD163, a specific macrophage activation marker, is associated with inflammation in other liver diseases, but never investigated in AIH. AIM: To investigate sCD163 in patients with acute AIH and in complete and incomplete responders to standard anti-inflammatory pharmacotherapy, and during follow-up in treatment naive patients...
November 2016: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27615375/decreased-pd-1-expression-on-cd8-lymphocyte-subsets-and-increase-in-cd8%C3%A2-tscm-cells-in-children-with-hiv-receiving-raltegravir
#13
Florin Tuluc, Sergei Spitsin, Nancy B Tustin, Jennifer B Murray, Richard Tustin, Laura A Schankel, Andrew Wiznia, Sharon Nachman, Steven D Douglas
We investigated the effect of combination antiretroviral therapy (cART) on immune recovery, particularly on the percentages of PD-1-positive cells within the major leukocyte subsets. Cryopreserved peripheral blood mononuclear cells and plasma samples collected longitudinally from a subset of 13 children and adolescents (between 9.7 and 18.2 years old) who were enrolled in the International Maternal Pediatric Adolescent AIDS Clinical Trials (IMPAACT) P1066 were used for this study. Immunophenotyping by flow cytometry was performed to determine the effect of raltegravir-containing cART regimen on the distribution of leukocyte populations, on the expression of PD-1 on T cell subpopulations, and on the expression of well-established markers of T cell activation (CD38 and HLA-DR) on CD8 T cells...
October 18, 2016: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/27610595/biomarkers-for-evaluation-of-treatment-response-in-classical-hodgkin-lymphoma-comparison-of-sgalectin-1-scd163-and-scd30-with-tarc
#14
Wouter J Plattel, Zainab N D Alsada, Gustaaf W van Imhoff, Arjan Diepstra, Anke van den Berg, Lydia Visser
Soluble Galectin-1 (sGal-1, also termed LGALS1), soluble CD163 (sCD163) and soluble CD30 (sCD30) have been reported to be elevated in plasma or serum of patients with classical Hodgkin lymphoma (cHL). We aimed to determine the clinical utility of these biomarkers for evaluation of treatment response compared to thymus and activation regulated chemokine (TARC, also termed CCL17). Plasma or serum samples were prospectively collected among 103 newly diagnosed cHL patients before and after treatment. Levels of sGal-1, sCD163, sCD30 and TARC were correlated with disease characteristics and clinical treatment response...
September 9, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27603288/oxidized-lipoproteins-are-associated-with-markers-of-inflammation-and-immune-activation-in-hiv-1-infection
#15
Theodoros Kelesidis, Nicholas Jackson, Grace A McComsey, Xiaoyan Wang, David Elashoff, Michael P Dube, Todd T Brown, Otto O Yang, James H Stein, Judith S Currier
OBJECTIVE: The pathogenesis of immune dysfunction in chronic HIV-1 infection is unclear, and a potential role for oxidized lipids has been suggested. We hypothesize that both oxidized HDL and LDL (HDLox and LDLox) contribute to HIV-1-related immune dysfunction. STUDY: In the AIDS Clinical Trials Group A5260, 234 HIV-infected antiretroviral therapy (ART)-naive participants were randomized to receive tenofovir-emtricitabine and protease inhibitors or raltegravir and had HIV-1 RNA less than 50 copies/ml by week 24 and thereafter...
November 13, 2016: AIDS
https://www.readbyqxmd.com/read/27591510/identification-of-promising-plasma-immune-biomarkers-to-differentiate-active-pulmonary-tuberculosis
#16
Fabiana A Zambuzi, Priscilla M Cardoso-Silva, Milena S Espindola, Luana S Soares, Leonardo J Galvão-Lima, Verônica S Brauer, Matheus S Gomes, Laurence R Amaral, Matthew Schaller, Valdes R Bollela, Fabiani G Frantz
Although much research has been done related to biomarker discovery for tuberculosis infection, a set of biomarkers that can discriminate between active and latent TB diseases remains elusive. In the current study we correlate clinical aspects of TB disease with changes in the immune response as determined by biomarkers detected in plasma. Our study measured 18 molecules in human plasma in 17 patients with active disease (APTB), 14 individuals with latent tuberculosis infection (LTBI) and 16 uninfected controls (CTRL)...
December 2016: Cytokine
https://www.readbyqxmd.com/read/27578110/effects-of-dha-enriched-fish-oil-on-monocyte-macrophage-activation-marker-scd163-asymmetric-dimethyl-arginine-and-insulin-resistance-in-type-2-diabetic-patients
#17
Omid Toupchian, Gity Sotoudeh, Anahita Mansoori, Ensieh Nasli-Esfahani, Mahmoud Djalali, Seyyed Ali Keshavarz, Fariba Koohdani
BACKGROUND: The beneficial effects of n-3 polyunsaturated fatty acids on reducing cardiovascular risks are well documented. However, the relative effect on some markers of macrophage activation and vascular function is unclear. OBJECTIVE: The primary objective of this study was to investigate the effects of docosahexaenoic acid (DHA)-enriched fish oil on the marker of monocyte/macrophage activation factor soluble CD163, asymmetric dimethyl arginine (ADMA), and insulin resistance in type 2 diabetic patients...
July 2016: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/27549584/effects-of-sodium-restriction-on-activation-of-the-renin-angiotensin-aldosterone-system-and-immune-indices-during-hiv-infection
#18
Suman Srinivasa, Tricia H Burdo, Kenneth C Williams, Emilie K Mitten, Kimberly Wong, Kathleen V Fitch, Takara Stanley, Gail K Adler, Steven K Grinspoon
BACKGROUND:  Human immunodeficiency virus (HIV)-infected patients demonstrate increased activation of the renin-angiotensin-aldosterone system (RAAS). We evaluated changes in immune markers with physiological RAAS activation. METHODS:  Immune activation markers were assessed serially in 18 HIV-infected and 7 non-HIV-infected subjects consuming an ad libitum diet followed by a standardized low-sodium diet. RESULTS:  Levels of CCL-2 (P = ...
November 1, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27541014/soluble-cd163-adiponectin-c-reactive-protein-and-progression-of-dysglycaemia-in-individuals-at-high-risk-of-type-2-diabetes-mellitus-the-addition-pro-cohort
#19
Pia Deichgræber, Daniel R Witte, Holger J Møller, Mette V Skriver, Bjørn Richelsen, Marit E Jørgensen, Nanna B Johansen, Annelli Sandbæk
AIM/HYPOTHESIS: Our aim was to investigate the association between the macrophage-activation marker soluble CD163 (sCD163), adiponectin, C-reactive protein (CRP) and changes in glycaemia, insulin resistance and insulin secretion in individuals at high risk of type 2 diabetes mellitus. METHODS: This prospective study included 1014 individuals at high risk of type 2 diabetes mellitus participating in the Danish arm of the Anglo-Danish-Dutch study of Intensive Treatment In PeOple with ScreeN-detected Diabetes in Primary Care (ADDITION-Europe trial) baseline examination in 2001-2006 and follow-up examination (ADDITION-Progression [ADDITION-PRO]) in 2009-2011...
November 2016: Diabetologia
https://www.readbyqxmd.com/read/27540113/during-hcv-and-hcv-hiv-infection-elevated-plasma-autotaxin-is-associated-with-lpa-and-markers-of-immune-activation-that-normalize-during-ifn-free-hcv-therapy
#20
Lenche Kostadinova, Carey Shive, Chelsey Judge, Elizabeth Zebrowski, Anita Compan, Kelsey Rife, Amy Hirsch, Yngve Falck-Ytter, Dannie Schlatzer, Xiaolin Li, Mark Chance, Benigno Rodriguez, Daniel L Popkin, Donald D Anthony
BACKGROUND:  Immune activation predicts morbidity during HCV and HIV infection, though mechanisms underlying immune activation are unclear. Plasma autotaxin and its enzymatic product, lysophosphatidic-acid (LPA), are elevated during HCV infection, and LPA activates immunocytes, but whether this contributes to immune activation is unknown. METHODS:  We evaluated plasma autotaxin, IL-6, sCD14, sCD163, and Mac2-Binding Protein (Mac2BP) during HCV, HIV and HCV-HIV infection, and in uninfected controls, before and after HIV ART and IFN-free HCV therapy...
August 17, 2016: Journal of Infectious Diseases
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