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Journal of Immunology Research

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https://www.readbyqxmd.com/read/27900334/serum-levels-of-soluble-st2-and-il-10-are-associated-with-disease-severity-in-patients-with-iga-nephropathy
#1
Zhihui Zhang, Haifeng Wang, Li Zhang, Rebecca Crew, Nan Zhang, Xiaolei Liu, Yanfang Jiang
Background. The IL-33/ST2 axis is involved in humoral immune responses. Method. The concentrations of sera IL-33 and sST2 in 74 patients and 34 healthy controls (HC) were measured by ELISA. Clinical and laboratory data were examined. The potential association between sera IL-33 and sST2 and the clinical parameters in IgAN patients were analyzed. Results. No difference was discovered in IL-33 concentrations between IgAN patients and HCs; however, the sST2 were significantly higher in each stage of IgAN progression than in the HC...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27882334/crosstalk-between-innate-lymphoid-cells-and-other-immune-cells-in-the-tumor-microenvironment
#2
REVIEW
Fabian Flores-Borja, Sheeba Irshad, Peter Gordon, Felix Wong, Ibrahim Sheriff, Andrew Tutt, Tony Ng
Our knowledge and understanding of the tumor microenvironment (TME) have been recently expanded with the recognition of the important role of innate lymphoid cells (ILC). Three different groups of ILC have been described based on their ability to produce cytokines that mediate the interactions between innate and adaptive immune cells in a variety of immune responses in infection, allergy, and autoimmunity. However, recent evidence from experimental models and clinical studies has demonstrated that ILC contribute to the mechanisms that generate suppressive or tolerant environments that allow tumor regression or progression...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27872868/minor-antigen-disparities-impede-induction-of-long-lasting-chimerism-and-tolerance-through-bone-marrow-transplantation-with-costimulation-blockade
#3
Sinda Bigenzahn, Ines Pree, Christoph Klaus, Nina Pilat, Benedikt Mahr, Elisabeth Schwaiger, Patrick Nierlich, Friedrich Wrba, Thomas Wekerle
Mixed chimerism and tolerance can be successfully induced in rodents through allogeneic bone marrow transplantation (BMT) with costimulation blockade (CB), but varying success rates have been reported with distinct models and protocols. We therefore investigated the impact of minor antigen disparities on the induction of mixed chimerism and tolerance. C57BL/6 (H2(b)) mice received nonmyeloablative total body irradiation (3 Gy), costimulation blockade (anti-CD40L mAb and CTLA4Ig), and 2 × 10(7) bone marrow cells (BMC) from either of three donor strains: Balb/c (H2(d)) (MHC plus multiple minor histocompatibility antigen (mHAg) mismatched), B10...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27872867/bone-marrow-mesenchymal-stem-cells-enhance-the-differentiation-of-human-switched-memory-b-lymphocytes-into-plasma-cells-in-serum-free-medium
#4
Guillaume Bonnaure, Catherine Gervais-St-Amour, Sonia Néron
The differentiation of human B lymphocytes into plasma cells is one of the most stirring questions with regard to adaptive immunity. However, the terminal differentiation and survival of plasma cells are still topics with much to be discovered, especially when targeting switched memory B lymphocytes. Plasma cells can migrate to the bone marrow in response to a CXCL12 gradient and survive for several years while secreting antibodies. In this study, we aimed to get closer to niches favoring plasma cell survival...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27872866/roles-of-zinc-signaling-in-the-immune-system
#5
REVIEW
Shintaro Hojyo, Toshiyuki Fukada
Zinc (Zn) is an essential micronutrient for basic cell activities such as cell growth, differentiation, and survival. Zn deficiency depresses both innate and adaptive immune responses. However, the precise physiological mechanisms of the Zn-mediated regulation of the immune system have been largely unclear. Zn homeostasis is tightly controlled by the coordinated activity of Zn transporters and metallothioneins, which regulate the transport, distribution, and storage of Zn. There is growing evidence that Zn behaves like a signaling molecule, facilitating the transduction of a variety of signaling cascades in response to extracellular stimuli...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27872865/cxcr3-ccr5-and-crth2-chemokine-receptor-expression-in-lymphocytes-infiltrating-thyroid-nodules-with-coincident-hashimoto-s-thyroiditis-obtained-by-fine-needle-aspiration-biopsy
#6
Jan Jiskra, Marie Antošová, Jan Krátký, Hana Vítková, Zdeňka Límanová, Helena Marečková, Eliška Potluková
Objective. To determine the expression of chemokine receptors in lymphocytes from thyroid nodules and peripheral blood in patients with and without Hashimoto's thyroiditis (HT). Patients and Methods. The study included 46 women with thyroid nodules and HT and 60 women with thyroid nodules without HT (controls) who underwent a fine needle aspiration biopsy (FNAB). Expression of chemokine receptors CXCR3, CCR5, and CRTH2 was assessed by flow cytometry in lymphocytes from FNAB samples and from peripheral blood...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27872864/f4-80-host-macrophages-are-a-barrier-to-murine-embryonic-stem-cell-derived-hematopoietic-progenitor-engraftment-in-vivo
#7
Heather L Thompson, Nico van Rooijen, Bryce T McLelland, Jennifer O Manilay
Understanding how embryonic stem cells and their derivatives interact with the adult host immune system is critical to developing their therapeutic potential. Murine embryonic stem cell-derived hematopoietic progenitors (ESHPs) were generated via coculture with the bone marrow stromal cell line, OP9, and then transplanted into NOD.SCID.Common Gamma Chain (NSG) knockout mice, which lack B, T, and natural killer cells. Compared to control mice transplanted with adult lineage-negative bone marrow (Lin(-) BM) progenitors, ESHP-transplanted mice attained a low but significant level of donor hematopoietic chimerism...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27872863/attention-deficit-disorder-and-allergic-rhinitis-are-they-related
#8
Isaac Melamed, Melinda Heffron
The association between ADHD and allergy remains controversial. Our previous findings suggest that nerve growth factor may link the nervous and immune systems. The primary objective of this study was to determine if a combination of cetirizine + methylphenidate is effective in children with comorbid ADHD and allergic rhinitis. We also examined the role of nerve growth factor in these comorbidities. Our randomized, double-blind, placebo-controlled, crossover study enrolled 38 children diagnosed with comorbid ADHD and allergy using cetirizine (n = 12), sustained-release methylphenidate (n = 12), or cetirizine + methylphenidate (n = 14)...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27868074/cd63-promotes-hemocyte-mediated-phagocytosis-in-the-clam-paphia-undulata
#9
Mingjia Yu, Shanjun Yang, Hongxia Sun, Qiang Xia
As one of the surface membrane proteins of tetraspanin family, CD63 plays a crucial role in cellular trafficking and endocytosis, which also is associated with activation of a wide variety of immune cells. Here, the homolog of CD63 was characterized from one marine mollusk, Paphia undulata, which is designated as Pu-CD63. The complete cDNA of Pu-CD63 is 1,738 bp in length with an open reading frame (ORF) of 849 bp, encoding a 282 amino acid protein with four putative hydrophobic transmembrane helixes. Bioinformatic analysis revealed that Pu-CD63 contains one putative YXXØ consensus motif of "110-YVII-113" and one N-glycosylation site "155-NGT-157" within the large extracellular loop (LEL) region, supporting its conserved function in plasma membrane and endosomal/lysosomal trafficking...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27868073/the-crosstalk-between-myeloid-derived-suppressor-cells-and-immune-cells-to-establish-immune-tolerance-in-transplantation
#10
REVIEW
Chao Zhang, Shuo Wang, Cheng Yang, Ruiming Rong
Myeloid derived suppressor cells (MDSCs) are a heterogeneous population of myeloid precursor and progenitor cells and endowed with a robust immunosuppressive activity in multiple pathophysiological conditions. Recent studies have uncovered the crosstalk between MDSCs and immune cells (i.e., natural killer cells, dendritic cells, macrophages, natural killer T cells, and regulatory T cells) and its role in the establishment and maintenance of immune tolerant microenvironment in transplantation. Considering their strong immunosuppressive capability, MDSCs could become a prospective clinical regimen during transplantation tolerance induction, resulting in long-term graft survival with decreased or without immunosuppressive drugs...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27868072/the-role-of-tlr4-on-b-cell-activation-and-anti-%C3%AE-2gpi-antibody-production-in-the-antiphospholipid-syndrome
#11
REVIEW
Si Cheng, Haibo Wang, Hong Zhou
High titer of anti-β2-glycoprotein I antibodies (anti-β2GPI Ab) plays a pathogenic role in antiphospholipid syndrome (APS). Numerous studies have focused on the pathological mechanism in APS; however, little attention is paid to the immune mechanism of production of anti-β2GPI antibodies in APS. Our previous study demonstrated that Toll-like receptor 4 (TLR4) plays a vital role in the maturation of bone marrow-derived dendritic cells (BMDCs) from the mice immunized with human β2-glycoprotein I (β2GPI)...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27847830/early-differentiation-of-human-cd11c-nk-cells-with-%C3%AE-%C3%AE-t-cell-activation-properties-is-promoted-by-dialyzable-leukocyte-extracts
#12
Dalia Ramírez-Ramírez, Eduardo Vadillo, Lourdes Andrea Arriaga-Pizano, Héctor Mayani, Sergio Estrada-Parra, Marco Antonio Velasco-Velázquez, Sonia Mayra Pérez-Tapia, Rosana Pelayo
Reconstitution of the hematopoietic system during immune responses and immunological and neoplastic diseases or upon transplantation depends on the emergent differentiation of hematopoietic stem/progenitor cells within the bone marrow. Although in the last decade the use of dialyzable leukocyte extracts (DLE) as supportive therapy in both infectious and malignant settings has increased, its activity on the earliest stages of human hematopoietic development remains poorly understood. Here, we have examined the ability of DLE to promote replenishment of functional lymphoid lineages from CD34(+) cells...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27843956/state-of-the-art-unresolved-issues-and-future-research-directions-in-the-fight-against-hepatitis-c-virus-perspectives-for-screening-diagnostics-of-resistances-and-immunization
#13
REVIEW
Cecilia Trucchi, Andrea Orsi, Cristiano Alicino, Laura Sticchi, Giancarlo Icardi, Filippo Ansaldi
Hepatitis C virus (HCV) still represents a major public health threat, with a dramatic burden from both epidemiological and clinical points of view. New generation of direct-acting antiviral agents (DAAs) has been recently introduced in clinical practice promising to cure HCV and to overcome the issues related to the interferon-based therapies. However, the emergence of drug resistance and the suboptimal activity of DAAs therapies against diverse HCV genotypes have been observed, determining treatment failure and hampering an effective control of HCV spread worldwide...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27833923/low-dose-bcg-infection-as-a-model-for-macrophage-activation-maintaining-cell-viability
#14
Leslie Chávez-Galán, Dominique Vesin, Denis Martinvalet, Irene Garcia
Mycobacterium bovis BCG, the current vaccine against tuberculosis, is ingested by macrophages promoting the development of effector functions including cell death and microbicidal mechanisms. Despite accumulating reports on M. tuberculosis, mechanisms of BCG/macrophage interaction remain relatively undefined. In vivo, few bacilli are sufficient to establish a mycobacterial infection; however, in vitro studies systematically use high mycobacterium doses. In this study, we analyze macrophage/BCG interactions and microenvironment upon infection with low BCG doses and propose an in vitro model to study cell activation without affecting viability...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27822484/impact-of-ivabradine-on-inflammatory-markers-in-chronic-heart-failure
#15
Ilonka Rohm, Daniel Kretzschmar, Rudin Pistulli, Marcus Franz, P Christian Schulze, Christian Stumpf, Atilla Yilmaz
Background. Inflammation plays a crucial role in the progression of chronic heart failure (CHF). Ivabradine is known to reduce the morbidity and mortality of patients with CHF under certain conditions. Beyond the reduction of heart rate, only limited knowledge exists about potential anti-inflammatory effects of ivabradine that might contribute to its benefit in CHF. Thus, the present study aimed to investigate the effect of ivabradine on systemic inflammation. Methods. In the present study, 33 patients with CHF due to dilated, ischemic, and hypertensive cardiomyopathy were treated with ivabradine according to the guidelines of the European Society of Cardiology (ESC)...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27819008/link-polymorphism-of-5-htt-promoter-region-is-associated-with-autoantibodies-in-patients-with-systemic-lupus-erythematosus
#16
Shu Li, Shuang Liu, Fan Chen, Yuqi Cheng, Ru Bai, Aiyun Lai, Zhaoping Lu, Jian Xu
Serotonin transporter linked polymorphic region (5-HTTLPR) was reported to associate with depression in systemic lupus erythematosus (SLE) patients by our team. To explore whether 5-HTTLPR plays a role in the pathogenesis of SLE, we tested 138 SLE patients and 138 age and sex matched health controls (HCs) for 5-HTTLPR by polymerase chain reaction (PCR) and agarose gel electrophoresis. Interestingly, the results suggest that the frequencies of SS genotype and S allele in SLE patients with positive anti-Sm antibody and anti-U1RNP antibody were both significantly higher than the other genotypes and alleles...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27800497/upregulation-of-soluble-hla-g-in-chronic-left-ventricular-systolic-dysfunction
#17
Line Lisbeth Olesen, Thomas Vauvert F Hviid
Left ventricular systolic dysfunction (LVSD) defined by ejection fraction (EF) <40% is common, serious but treatable, and correct diagnosis is the cornerstone of effective treatment. Biomarkers may help to diagnose LVSD and give insight into the pathophysiology. The immune system is activated in LVSD, and the immunomodulatory molecule human leukocyte antigen-G (HLA-G) may be involved. The primary aim was to measure soluble HLA-G (sHLA-G) in the blood in different stages of LVSD (<30% and 30-40%), in the midrange EF 40-50%, and in preserved EF ≥ 50% and to validate sHLA-G as a LVSD biomarker...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27800496/serum-hmgb1-serves-as-a-novel-laboratory-indicator-reflecting-disease-activity-and-treatment-response-in-ankylosing-spondylitis-patients
#18
Chenqiong Wang, Ye Miao, Xuefen Wu, Yishu Huang, Mengchen Sun, Yingzi Zhu, Fang Zheng, Wei Sun, Lingli Dong
Objective. High mobility group box 1 (HMGB1) is a late inflammatory factor participating in the pathogenesis of various autoimmune and inflammatory diseases. In the current study, we analyzed the association between serum levels of HMGB1 and clinical features of AS patients before and during treatment. Methods. Serum HMGB1 was detected in 147 AS patients and 61 healthy controls using ELISA. We evaluated the association between HMGB1 and extra-articular manifestations as well as disease severity indices. Among these AS patients, 41 patients received close follow-up at 1, 3, and 6 months after treatment...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27795962/immunity-status-of-blood-donors-regarding-toxoplasma-gondii-infection-in-a-low-income-district-of-abidjan-c%C3%A3-te-d-ivoire-west-africa
#19
Liliane Siransy, Sery Romuald Dasse, Serge Pacôme Dou Gonat, Antoinette Legbedji, Koffi N'guessan, Patricia Ama Kouacou, Richard Yeboah, Hervé Menan
Background. Toxoplasmosis is a widespread cosmopolitan anthropozoonosis, which affects more than a third of the world population. Except the modes of transmission well known, Toxoplasma gondii can be transmitted during transplantation or blood transfusion. The aim of this study is to determine the prevalence of IgG and IgM Toxoplasma gondii and to estimate the potential risk by blood products. Methods. This is a cross-sectional study on the research for Toxoplasma gondii antibodies (IgG and IgM) blood donors performed by ELISA...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27795961/the-cxcl10-cxcr3-axis-and-cardiac-inflammation-implications-for-immunotherapy-to-treat-infectious-and-noninfectious-diseases-of-the-heart
#20
REVIEW
Raffaele Altara, Ziad Mallat, George W Booz, Fouad A Zouein
Accumulating evidence reveals involvement of T lymphocytes and adaptive immunity in the chronic inflammation associated with infectious and noninfectious diseases of the heart, including coronary artery disease, Kawasaki disease, myocarditis, dilated cardiomyopathies, Chagas, hypertensive left ventricular (LV) hypertrophy, and nonischemic heart failure. Chemokine CXCL10 is elevated in cardiovascular diseases, along with increased cardiac infiltration of proinflammatory Th1 and cytotoxic T cells. CXCL10 is a chemoattractant for these T cells and polarizing factor for the proinflammatory phenotype...
2016: Journal of Immunology Research
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