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Intermediate monocyte

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https://www.readbyqxmd.com/read/29345061/monocyte-subsets-exhibit-transcriptional-plasticity-and-a-shared-response-to-interferon-in-siv-infected-rhesus-macaques
#1
Brian T Nowlin, John Wang, Jamie L Schafer, Patrick Autissier, Tricia H Burdo, Kenneth C Williams
The progression to AIDS is influenced by changes in the biology of heterogeneous monocyte subsets. Classical (CD14++CD16-), intermediate (CD14++CD16+), and nonclassical (CD14+CD16++) monocytes may represent progressive stages of monocyte maturation or disparate myeloid lineages with different turnover rates and function. To investigate the relationship between monocyte subsets and the response to SIV infection, we performed microarray analysis of monocyte subsets in rhesus macaques at three time points: prior to SIV infection, 26 days postinfection, and necropsy with AIDS...
January 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29336940/myeloperoxidase-its-role-for-host-defense-inflammation-and-neutrophil-function
#2
REVIEW
Yasuaki Aratani
Myeloperoxidase (MPO) is a heme-containing peroxidase expressed mainly in neutrophils and to a lesser degree in monocytes. In the presence of hydrogen peroxide and halides, MPO catalyzes the formation of reactive oxygen intermediates, including hypochlorous acid (HOCl). The MPO/HOCl system plays an important role in microbial killing by neutrophils. In addition, MPO has been demonstrated to be a local mediator of tissue damage and the resulting inflammation in various inflammatory diseases. These findings have implicated MPO as an important therapeutic target in the treatment of inflammatory conditions...
January 11, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29289977/anti-pd-1-induced-high-grade-hepatitis-associated-with-corticosteroid-resistant-t-cells-a-case-report
#3
Helen M McGuire, Elena Shklovskaya, Jarem Edwards, Paul R Trevillian, Geoffrey W McCaughan, Patrick Bertolino, Catriona McKenzie, Ralph Gourlay, Stuart J Gallagher, Barbara Fazekas de St Groth, Peter Hersey
Effective treatment or prevention of immune side effects associated with checkpoint inhibitor therapy of cancer is an important goal in this new era of immunotherapy. Hepatitis due to immunotherapy with antibodies against PD-1 is uncommon and generally of low severity. We present an unusually severe case arising in a melanoma patient after more than 6 months uncomplicated treatment with anti-PD-1 in an adjuvant setting. The hepatitis rapidly developed resistance to high-dose steroids, requiring anti-thymocyte globulin (ATG) to achieve control...
December 30, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29284508/inflammatory-dysregulation-of-monocytes-in-pediatric-patients-with-obsessive-compulsive-disorder
#4
Natalia Rodríguez, Astrid Morer, E Azucena González-Navarro, Carles Serra-Pages, Daniel Boloc, Teresa Torres, Susana García-Cerro, Sergi Mas, Patricia Gassó, Luisa Lázaro
BACKGROUND: Although the exact etiology of obsessive-compulsive disorder (OCD) is unknown, there is growing evidence of a role for immune dysregulation in the pathophysiology of the disease, especially in the innate immune system including the microglia. To test this hypothesis, we studied inflammatory markers in monocytes from pediatric patients with OCD and from healthy controls. METHODS: We determined the percentages of total monocytes, CD16+ monocytes, and classical (CD14highCD16-), intermediate (CD14highCD16low), and non-classical (CD14lowCD16high) monocyte subsets in 102 patients with early-onset OCD and in 47 healthy controls...
December 28, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29249001/distinguishing-features-of-microglia-and-monocyte-derived-macrophages-after-stroke
#5
Golo Kronenberg, Ria Uhlemann, Nadine Richter, Friederike Klempin, Stephanie Wegner, Lilian Staerck, Susanne Wolf, Wolfgang Uckert, Helmut Kettenmann, Matthias Endres, Karen Gertz
After stroke, macrophages in the ischemic brain may be derived from either resident microglia or infiltrating monocytes. Using bone marrow (BM)-chimerism and dual-reporter transgenic fate mapping, we here set out to delimit the responses of either cell type to mild brain ischemia in a mouse model of 30 min transient middle cerebral artery occlusion (MCAo). A discriminatory analysis of gene expression at 7 days post-event yielded 472 transcripts predominantly or exclusively expressed in blood-derived macrophages as well as 970 transcripts for microglia...
December 16, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/29246797/il-1%C3%AE-production-by-intermediate-monocytes-is-associated-with-immunopathology-in-cutaneous-leishmaniasis
#6
Daniela Santos, Taís M Campos, Maíra Saldanha, Sergio C Oliveira, Mauricio Nascimento, Dario S Zamboni, Paulo R Machado, Sérgio Arruda, Phillip Scott, Edgar M Carvalho, Lucas P Carvalho
Cutaneous leishmaniasis due to Leishmania braziliensis infection is an inflammatory disease which skin ulcer development is associated with mononuclear cells infiltrate and high levels of inflammatory cytokines production. Recently, NOD-like receptor family, pyrin domain containing 3 (NLRP3) inflammasome activation and IL-1β production has been associated with increased pathology in murine cutaneous leishmaniasis. We hypothesized that cutaneous leishmaniasis patients have increased expression of NLRP3 leading to high levels of IL-1β production...
December 12, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29241982/monocyte-profile-in-peripheral-blood-of-gestational-diabetes-mellitus-patients
#7
Ana G S Angelo, Carla T C Neves, Thalita F Lobo, Ramon V C Godoy, Érika Ono, Rosiane Mattar, Silvia Daher
OBJECTIVE: Gestational diabetes Mellitus has been considered an inflammatory disease involving different cells and mediators in its development. The role of innate immune cells in GDM physiopathology remains unclear, therefore this study was conducted to assess monocyte profile in GDM patients. DESIGN: This was a case-control study including 20 glucose-tolerant pregnant women (controls) and 18 GDM patients. METHODS: Flow cytometry was used to assess peripheral blood monocytes subsets (classical, intermediate, non-classical), the expression of TLR4 and CCR2 chemokine receptor (CD192) and cytokines (TNFA, IL6, IL10) secretion by monocytes subsets...
December 11, 2017: Cytokine
https://www.readbyqxmd.com/read/29225811/regular-exercise-during-haemodialysis-promotes-an-anti-inflammatory-leucocyte-profile
#8
Maurice Dungey, Hannah M L Young, Darren R Churchward, James O Burton, Alice C Smith, Nicolette C Bishop
Background: Cardiovascular disease is the most common cause of mortality in haemodialysis (HD) patients and is highly predicted by markers of chronic inflammation. Regular exercise may have beneficial anti-inflammatory effects, but this is unclear in HD patients. This study assessed the effect of regular intradialytic exercise on soluble inflammatory factors and inflammatory leucocyte phenotypes. Methods: Twenty-two HD patients from a centre where intradialytic cycling was offered thrice weekly and 16 HD patients receiving usual care volunteered...
December 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29212122/levels-of-circulating-intermediate-monocytes-decrease-after-aortic-valve-replacement-in-patients-with-severe-aortic-stenosis
#9
Bernd Hewing, Rena Ellerbroek, Sebastian Chi-Diep Au, Verena Stangl, Henryk Dreger, Michael Laule, Herko Grubitzsch, Fabian Knebel, Gert Baumann, Antje Ludwig, Karl Stangl
No abstract text is available yet for this article.
December 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29203885/monocyte-gene-expression-in-childhood-obesity-is-associated-with-obesity-and-complexity-of-atherosclerosis-in-adults
#10
G C Keustermans, D Kofink, A Eikendal, W de Jager, J Meerding, R Nuboer, J Waltenberger, A O Kraaijeveld, J W Jukema, J W Sels, J Garssen, B J Prakken, F W Asselbergs, E Kalkhoven, I E Hoefer, G Pasterkamp, H S Schipper
Childhood obesity coincides with increased numbers of circulating classical CD14++CD16- and intermediate CD14++CD16+ monocytes. Monocytes are key players in the development and exacerbation of atherosclerosis, which prompts the question as to whether the monocytosis in childhood obesity contributes to atherogenesis over the years. Here, we dissected the monocyte gene expression profile in childhood obesity using an Illumina microarray platform on sorted monocytes of 35 obese children and 16 lean controls. Obese children displayed a distinctive monocyte gene expression profile compared to lean controls...
December 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29203542/pro-inflammatory-role-of-monocyte-derived-cx3cr1int-macrophages-in-helicobacter-hepaticus-induced-colitis
#11
Calum C Bain, Christopher J Oliphant, Carolyn A Thomson, Marika C Kullberg, Allan McI Mowat
Cells of the monocyte-macrophage lineage play important roles in the pathogenesis of inflammatory bowel diseases, but they are also present in the normal healthy intestine, where they are critical for maintaining homeostasis. It has been unclear whether the pro-inflammatory roles of intestinal macrophages reflect altered behaviour of the existing resident cells, or if they involve recruitment of a distinct cell type. Here we have explored these ideas using the model of colitis induced by Helicobacter hepaticus (Hh) in the context of neutralisation or deletion of interleukin 10 (IL-10)...
December 4, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/29190915/the-prognostic-significance-of-cd11b-cx3cr1-monocytes-in-patients-with-newly-diagnosed-diffuse-large-b-cell-lymphoma
#12
Ho-Young Yhim, Jeong-A Kim, Sun-Hye Ko, Youngrok Park, Eunjung Yim, Hee Sun Kim, Jae-Yong Kwak
Despite their critical roles in angiogenesis and host immunosuppression within the tumor microenvironment, the prognostic significance of myeloid-lineage cells expressing CD11b and CX3CR1 in diffuse large B-cell lymphoma (DLBCL) has not been well studied. We prospectively enrolled newly-diagnosed DLBCL patients at two Korean institutions between May 2011 and Aug 2015. CD11b+CX3CR1+ cells were analyzed by flow cytometry using peripheral blood (PB) and bone marrow (BM) aspirate samples before treatments. Eighty-nine patients (52 males) were enrolled...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29190807/identification-of-blcap-as-a-novel-stat3-interaction-partner-in-bladder-cancer
#13
Irina Gromova, Sofia Svensson, Pavel Gromov, José M A Moreira
Bladder cancer associated protein (Blcap) expression is commonly down-regulated in invasive bladder cancer, and may have prognostic value given that its expression is negatively correlated with patient survival. We have previously investigated the expression patterns and cellular localization of Blcap in bladder cancer, where we found that about 20% of the lesions examined displayed strong nuclear expression of Blcap, and that this phenotype was associated with overall poor disease outcome. Here we report on the analysis of possible functional associations between nuclear expression of Blcap and canonical signaling pathways...
2017: PloS One
https://www.readbyqxmd.com/read/29180664/circulating-microparticles-in-acute-diabetic-charcot-foot-exhibit-a-high-content-of-inflammatory-cytokines-and-support-monocyte-to-osteoclast-cell-induction
#14
Jennifer Pasquier, Binitha Thomas, Jessica Hoarau-Véchot, Tala Odeh, Amal Robay, Omar Chidiac, Soha R Dargham, Rebal Turjoman, Anna Halama, Khalid Fakhro, Robert Menzies, Amin Jayyousi, Mahmoud Zirie, Jassim Al Suwaidi, Arash Rafii, Rayaz A Malik, Talal Talal, Charbel Abi Khalil
Circulating microparticles (MPs) are major mediators in cardiovascular complications of type 2 diabetes (T2D); however, their contribution to Charcot foot (CF) disease is not known. Here, we purified and assessed the origin, concentration and content of circulating MPs from 33 individuals: 11 with T2D and acute CF, 11 T2D patients with equivalent neuropathy and 11 non-diabetic controls. First, we demonstrated that there were no differences in the distribution of MPs of endothelial, platelet origin among the 3 groups...
November 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29165355/acute-effects-of-nitrate-rich-beetroot-juice-on-blood-pressure-hemostasis-and-vascular-inflammation-markers-in-healthy-older-adults-a-randomized-placebo-controlled-crossover-study
#15
Kyle Raubenheimer, Danica Hickey, Michael Leveritt, Robert Fassett, Joaquin Ortiz de Zevallos Munoz, Jason D Allen, David Briskey, Tony J Parker, Graham Kerr, Jonathan M Peake, Natalie M Pecheniuk, Oliver Neubauer
Aging is associated with a vasoconstrictive, pro-coagulant, and pro-inflammatory profile of arteries and a decline in the bioavailability of the endothelium-derived molecule nitric oxide. Dietary nitrate elicits vasodilatory, anti-coagulant and anti-inflammatory effects in younger individuals, but little is known about whether these benefits are evident in older adults. We investigated the effects of 140 mL of nitrate-rich (HI-NI; containing 12.9 mmol nitrate) versus nitrate-depleted beetroot juice (LO-NI; containing ≤0...
November 22, 2017: Nutrients
https://www.readbyqxmd.com/read/29154769/extracellular-lipids-accumulate-in-human-carotid-arteries-as-distinct-three-dimensional-structures-and-have-proinflammatory-properties
#16
Satu Lehti, Su D Nguyen, Ilya Belevich, Helena Vihinen, Hanna M Heikkilä, Rabah Soliymani, Reijo Käkelä, Jani Saksi, Matti Jauhiainen, Gregory A Grabowski, Outi Kummu, Sohvi Hörkkö, Marc Baumann, Perttu J Lindsberg, Eija Jokitalo, Petri T Kovanen, Katariina Öörni
Lipid accumulation is a key characteristic of advancing atherosclerotic lesions. Here we analyzed the ultrastructure of the accumulated lipids in endarterectomized human carotid atherosclerotic plaques using three-dimensional (3D) electron microscopy, a method never used in this context before. 3D-electron microscopy revealed intracellular lipid droplets and extracellular lipoprotein particles. The majority of the particles were aggregated and some connected to needle-shaped or sheet-like cholesterol crystals...
November 14, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29137304/monocarboxylate-transporter-1-mct1-a-tool-to-stratify-acute-myeloid-leukemia-aml-patients-and-a-vehicle-to-kill-cancer-cells
#17
Filipa Lopes-Coelho, Carolina Nunes, Sofia Gouveia-Fernandes, Rita Rosas, Fernanda Silva, Paula Gameiro, Tânia Carvalho, Maria Gomes da Silva, José Cabeçadas, Sérgio Dias, Luís G Gonçalves, Jacinta Serpa
Dysregulation of glucose/lactate dynamics plays a role in cancer progression, and MCTs are key elements in metabolic remodeling. VEGF is a relevant growth factor in the maintenance of bone marrow microenvironment and it is also important in hematological diseases. Our aim was to investigate the role of VEGF in the metabolic adaptation of Acute myeloid leukemia (AML) cells by evaluating the metabolic profiles and cell features according to the AML lineage and testing lactate as a metabolic coin. Our in vitro results showed that AML promyelocytic (HL60) and monocytic (THP1) (but not erythroid- HEL) lineages are well adapted to VEGF and lactate rich environment...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29112629/maximal-exercise-alters-the-inflammatory-phenotype-and-response-of-mononuclear-cells
#18
Aaron L Slusher, Tiffany M Zúñiga, Edmund O Acevedo
PURPOSE: Monocytes express the CD14 receptor that facilitates lipopolysaccharide (LPS) ligation to toll-like receptor 4 (TLR4) to elicit production of interleukin (IL)-6, IL-10, and tumor necrosis factor alpha (TNF-α). However, pro-inflammatory conditions, such as strenuous exercise, increase the percentage of monocytes expressing CD16, a receptor that enhances LPS stimulated TNF-α production. Therefore, we examined whether maximal treadmill exercise would alter the inflammatory phenotype of classical (CD14/CD16) and pro-inflammatory monocytes (intermediate [CD14/CD16] and non-classical [CD14/CD16]), evidenced by changes in TLR4, CD14, and CD16 receptor expression, and their inflammatory response to ex vivo LPS stimulation...
November 6, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29112187/number-of-circulating-non-classical-cd14-cd16-monocytes-negatively-correlates-with-das28-and-swollen-joints-count-in-peripheral-spondyloarthritis-patients
#19
Zofia Guła, Małgorzata Stec, Magdalena Rutkowska-Zapała, Marzena Lenart, Mariusz Korkosz, Jerzy Gąsowski, Jarosław Baran, Monika Baj-Krzyworzeka, Rafał Szatanek, Jarosław Czyż, Maciej Siedlar
INTRODUCTION    Different clinical course and pattern of skeletal involvement in peripheral (per) and axial (ax) spondyloarthritis (SpA) suggests distinct pathophysiology of these two phenotypic manifestations of SpA. Monocytes, as a part of innate immune system, seem to play an important role in the pathogenesis of SpA, but exact inflammatory pathways remain to be elucidated. Regulatory T lymphocytes (Treg) and Th17 lymphocytes are also known to influence pro- and anti-inflammatory reactions. OBJECTIVES    The aim of our study was to compare absolute numbers of monocyte subpopulations, Treg and Th17 lymphocytes with clinical measures of disease activity in perSpA and axSpA...
November 7, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/29096825/lipoprotein-apheresis-influences-monocyte-subpopulations
#20
S Jellinghaus, C Reich, U Schatz, S Tselmin, K Ibrahim, C Pfluecke, A Schauer, S R Bornstein, B Hohenstein, R H Strasser, U Julius, D M Poitz
BACKGROUND: Monocytes can be differentiated into subpopulations depending on their expression profile of CD14 and CD16. CD16-positive monocytes are associated with coronary artery disease. Up to now, no data exist about the effect of lipoprotein apheresis (LA) on the distribution of monocyte subpopulations. METHODS: 80 patients who underwent LA at the University Hospital Dresden were included in the study. 8 out of the 80 LA patients received LA for the first time at the time point of blood analysis...
November 2017: Atherosclerosis. Supplements
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