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Scandinavian Journal of Immunology

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https://www.readbyqxmd.com/read/27896842/il-12b-gene-polymorphisms-and-il-12-p70-serum-levels-among-patients-with-rheumatoid-arthritis
#1
A Paradowska-Gorycka, A Sowinska, B Stypińska, E Haladyj, A Pawlik, K Romanowska-Próchnicka, M Olesinska
OBJECTIVES: Rheumatoid arthritis (RA) is one of the autoimmune diseases, where different polymorphisms in cytokine genes play a pathogenic role. IL-12 is now recognized as a critical cytokine in terms of regulating the balance between Th1 and Th2 cells. We investigated the role of single-nucleotide polymorphisms (SNPs) (rs3212227 (A/C) and rs17860508 (CTCTAA/GC)) of the IL-12B gene in the genetic susceptibility to RA and in the severity of the disease. METHODS: Six hundred and thirty four Caucasian RA patients and 341 healthy matched controls were studied using PCR-RFLP method and High-resolution melting analysis...
November 29, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27896837/cd6-and-linker-of-activated-t-cells-are-potential-interaction-partners-for-t-cell-specific-adaptor-protein
#2
Cecilie Dahl Hem, Marianne Ekornhol, Stine Granum, Vibeke Sundvold-Gjerstad, Anne Spurkland
The T cell specific adaptor protein (TSAd) contains several protein interaction domains, and is merging as a modulator of T cell activation. Several interaction partners for the TSAd proline rich region and phosphotyrosines have been identified, including the Src and Tec family kinases Lymphocyte specific protein tyrosine kinase (Lck) and Interleukin 2-Inducible T-cell kinase (Itk). Via its Src homology 2 (SH2) domain, TSAd may thus function as a link between these enzymes and other signaling molecules. However, few binding partners to the TSAd SH2 domain in T cells are hitherto known...
November 29, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27896829/immunomodulatory-and-immunosuppressive-roles-of-1%C3%AE-25-oh-2d3-in-autoimmune-diseases
#3
REVIEW
Hussaini Alhassan Mohammed, Ali Akbar Saboor-Yaraghi, Abbas Mirshafiey, Haumayon Vahedi, Mohammad Reza Shiri-Shahsavar, Ateke Mousavi Nasl Khameneh
BACKGROUND: Autoimmune diseases are pathological conditions characterized by abnormal. responses, accompanied by auto-antibodies to self-molecules. The roles vitamin D in autoimmune diseases has increased significantly in the recent past from its functions in calcium and phosphate homeostasis, it is now involved in the regulations and proliferations of Th1 and Th17 lymphocyte. 1α,25(OH)2D3 in very important in ameliorations of inflammatory disorders arising from autoimmune diseases, but the mechanism by which this is done is still a bone of contentions...
November 29, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27885703/immunological-tolerance-part-i-of-a-report-of-a-workshop-on-foundational-concepts-of-immune-regulation
#4
Colin C Anderson, Peter Bretscher, Alexandre Corthay, Zlatko Dembic, Calliopi Havele, Zoltan A Nagy, Inger Øynebråten
This report, the first of two, arose from a one-week workshop directed at discussing concepts of immune regulation, and focuses on immunological tolerance. We first outline the major ideas we thought sufficiently plausible to provide a context for discussing more controversial issues around tolerance. We then report on our discussion of different experiments that appear paradoxical in terms of the different, contemporary models of CD4 T cell inactivation/activation, and how such observations might be resolved in terms of insights provided by these contemporary models...
November 25, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27862137/t-cell-responses-and-regulation-and-the-impact-of-in-vitro-il-10-and-tgf-%C3%AE-modulation-during-treatment-of-active-tuberculosis
#5
Siri L Feruglio, Dag Kvale, Anne Ma Dyrhol-Riise
Mycobacterium tuberculosis (Mtb) is particularly challenging for the immune system being an intracellular pathogen, and a variety of T cell subpopulations are activated by the host defense mechanism. In the present study we investigated T cell responses and regulation in active TB patients with drug-sensitive Mtb (n=18) during 24 weeks of efficient anti-TB therapy. T cell activation, differentiation, regulatory T cell (Treg) subsets, Mtb induced T cell proliferation and in vitro IL-10 and TGF-β modulation were analysed by flow cytometry at baseline and after 8 and 24 weeks of therapy, while soluble cytokines in culture supernatants were analysed by a 9-plex Luminex assay...
November 18, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27864994/serum-spd-l1-upregulated-in-sepsis-may-reflect-disease-severity-and-clinical-outcomes-in-septic-patients
#6
Minlong Liu, Xiaoling Zhang, Haiyan Chen, Guoen Wang, Jun Zhang, Peng Dong, Yuanyuan Liu, Shan An, Li Wang
we aimed to find the correlation between serum sPD-L1 (soluble programmed cell death L-1 ligand) and sepsis. Totally 91 consecutive patients with sepsis were performed in a 15-bed medical intensive care unit (ICU) of the second affiliated hospital, Xi'an Jiaotong University in Xi'an, China, between February 2015 and May 2016. Healthy controls (HC) consisted of 29 healthy volunteer. Baseline demographic data were recorded. Blood samples were collected through an indwelling central venous or by peripheral venipuncture...
November 16, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27864993/thyrotropin-alters-t-cell-development-in-the-thymus-in-subclinical-hypothyroidism-mouse-model
#7
Kunpeng Wu, Meng Zhao, Chunyan Ma, Haiqing Zhang, Xiaojing Liu, Lingyan Zhou, Jiajun Zhao, Ling Gao, Dan Wang
Subclinical hypothyroidism (SCH) is highly prevalent in the general population and is associated with potential deleterious effects. Although developing T cells express thyroid stimulating hormone receptor (TSH-R), the changes of T cell development in thymus in SCH have not been fully clarified. SCH mouse model, which is characterized by elevated serum TSH but similar thyroid hormone levels, were used to study the role of TSH in T cell development. Thymus weight of SCH mice increased 18% compared with controls...
November 16, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27864990/the-clinical-relevance-of-anti-fibrillarin-anti-u3-rnp-autoantibodies-in-systemic-sclerosis
#8
F Tall, M Dechomet, S Riviere, V Cottin, E Ballot, K P Tiev, R Montin, C Morin, Y Chantran, C Grange, D Jullien, J Ninet, P Chretien, J Cabane, N Fabien, C Johanet
OBJECTIVES: Systemic sclerosis (SSc) is a heterogeneous autoimmune disease associated with several antinuclear autoantibodies useful to diagnosis and prognosis. The aim of the present multicentric study was to determine the clinical relevance of anti-fibrillarin autoantibodies (AFA) in patients with SSc. METHODS: The clinical features of 37 SSc patients positive for AFA (AFA+) and 139 SSc patients without AFA (AFA-) were collected retrospectively from medical records to enable a comparison between AFA- and AFA+ patients...
November 16, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27864913/human-secretory-igm-antibodies-activate-human-complement-and-offer-protection-at-mucosal-surface
#9
Terje E Michaelsen, Sidsel Emilsen, Randi H Sandin, Beathe Kiland Granerud, Diane Bratlie, Oistein Ihle, Inger Sandlie
IgM molecules circulate in serum as large polymers, mainly pentamers, which can be transported by the poly-Ig receptor (pIgR) across epithelial cells to mucosal surfaces and released as secretory IgM (SIgM). The mucosal SIgM molecules have non-covalently attached secretory component (SC), which is the extracellular part of pIgR which is cleaved from the epithelial cell membrane. Serum IgM antibodies do not contain SC, and have previously been shown to make a conformational change from "a star" to a "staple" conformation upon reaction with antigens on a cell surface, enabling them to activate complement...
November 16, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27862144/approach-to-the-management-of-autoimmunity-in-primary-immunodeficiency
#10
REVIEW
Gholamreza Azizi, Vahid Ziaee, Marzieh Tavakol, Tina Alinia, Reza Yazdai, Hamed Mohammadi, Hassan Abolhassani, Asghar Aghamohammadi
Primary immunodeficiency diseases (PIDs) consist of a genetically heterogeneous group of immune disorders that affect distinct elements of the immune system. PID patients are more prone to infections and non-infectious complications, particularly autoimmunity. The concomitance of immunodeficiency and autoimmunity appears to be paradoxical and leads to difficulty in the management of autoimmune complications in PID patients. Therefore, management of autoimmunity in patients with PID requires special considerations because dysregulations and dysfunctions of the immune system along with persistent inflammation, impair the process of diagnosis and treatment...
November 8, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27808429/equine-airway-mast-cells-are-sensitive-to-cell-death-induced-by-lysosomotropic-agents
#11
Sara Wernersson, Miia Riihimäki, Gunnar Pejler, Ida Waern
Mast cells are known for their detrimental effects in various inflammatory conditions. Regimens that induce selective mast cell apoptosis may therefore be of therapeutic significance. Earlier studies have demonstrated that murine and human cultured mast cells are highly sensitive to apoptosis induced by the lysosomotropic agent LeuLeuOMe (LLME). However, the efficacy of lysosomotropic agents for inducing apoptosis of in vivo-derived airway mast cells, and the impact on mast cells in other species have not been assessed...
November 3, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27783847/participation-of-tlr2-and-tlr4-in-cytokines-production-by-patients-with-symptomatic-and-asymptomatic-chronic-chagas-disease
#12
Laura Denise Mendes da Silva, Mariana Gatto, Mariana Miziara de Abreu Teodoro, Marjorie de Assis Golim, Érika Alessandra Pelisson Nunes da Costa, Francilene Capel Tavares Carvalho, Daniela Ramos Rodrigues, Paulo Câmara Marques Pereira, Ângela Maria Victoriano de Campos Soares, Sueli Aparecida Calvi
Chagas disease (CD), caused by the protozoan Trypanosoma cruzi is a serious public health issue. Its evolution involves an acute stage, characterized by no specific symptoms, and the chronic stage during most individuals are asymptomatic, but about 30 to 40% of them become symptomatic presenting the cardiac or digestive disease. Host immune response mechanisms involved in symptomatic or asymptomatic chronic disease are not fully understood. The pro-inflammatory cytokines are crucial in host resistance. However, a fine control of this inflammatory process, by action of anti-inflammatory cytokines, is necessary to avoid tissue injury...
October 26, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27763681/selective-iga-deficiency-epidemiology-pathogenesis-clinical-phenotype-diagnosis-prognosis-and-management
#13
Reza Yazdani, Gholamreza Azizi, Hassan Abolhassani, Asghar Aghamohammadi
Selective immunoglobulin A deficiency (SIgAD) is the most common primary antibody deficiency. Although more patients with SIgAD are asymptomatic, selected patients suffer from different clinical complications such as pulmonary infections, allergies, autoimmune diseases, gastrointestinal disorders and malignancy. Pathogenesis of SIgAD is still unknown, however, a defective terminal differentiation of B-cells and defect in switching to IgA-producing plasma cells are presumed to be responsible. Furthermore, some cytogenic defects and monogenic mutations are associated with SIgAD...
October 20, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27763680/humoral-and-cellular-responses-to-a-single-dose-of-fendrix-in-renal-transplant-recipients-with-non-response-to-previous-hepatitis-b-vaccination
#14
Monika Lindemann, Marina Zaslavskaya, Melanie Fiedler, Benjamin Wilde, Falko M Heinemann, Andreas Heinold, Peter A Horn, Oliver Witzke
Approximately 70% of kidney transplant recipients are non-responders to conventional hepatitis B virus (HBV) vaccines. We examined whether Fendrix(™) , an HBV vaccine containing 3-O-desacyl-4'-monophosphoryl lipid A (MPL) as adjuvant, could induce HBV immunity in these patients and compared their vaccination efficacy with healthy controls tested previously by the same assays. We selected 35 kidney transplant recipients who had been vaccinated at least thrice against HBV but had never displayed anti-HBs antibodies...
October 20, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27718266/the-influenza-a-virus-nonstructural-protein-ns1-up-regulates-the-expression-of-collagen-triple-helix-repeat-containing-1-protein
#15
Chengliang Zhu, Guiqing Peng, Wei Yi, Hui Song, Fang Liu, Xinghui Liu
Influenza A virus (IAV) infection induces a strong immune response and regulates the expression of many host proteins. The collagen triple helix repeat containing 1 (CTHRC1) protein is a secreted protein that exhibits increased expression during the viral infection process. However, the regulatory function of IAV on CTHRC1 expression is obscure. In this study, we investigated the effect of IAV on CTHRC1 expression and its regulatory mechanism. A total of 106 serum specimens from healthy people and 80 serum specimens from patients infected with IAV were collected...
October 8, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27718254/immune-response-of-healthy-adults-to-the-ingested-probiotic-lactobacillus-casei-shirota
#16
Laurence S Harbige, Eva Pinto, Judith Allgrove, Linda V Thomas
Daily ingestion of a probiotic drink containing Lactobacillus casei Shirota (LcS; 1.3 x 10(10) live cells) by healthy adults for (i) 4-weeks LcS, (ii) 6-weeks discontinuation of LcS, and (iii) a final 4-weeks of LcS, was investigated. There was a significant increase in expression of the T-cell activation marker CD3(+) CD69(+) in ex vivo unstimulated blood cells at weeks 10 and 14 and a significant increase in the NK cell marker CD3(+) CD16/56(+) in ex vivo unstimulated blood cells at weeks 4, 10 and 14. Expression of the NK cell activation marker CD16/56(+) CD69(+) in ex vivo unstimulated blood cells was 62% higher at week 10 and 74% higher at week 14...
October 8, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27667737/new-aspects-of-the-biology-of-neutrophil-extracellular-traps
#17
Dorota Dąbrowska, Ewa Jabłońska, Marzena Garley, Wioletta Ratajczak-Wrona, Agnieszka Iwaniuk
The formation and release of neutrophil extracellular traps (NETs) discovered in 2004 by Volker Brinkmann and Arturo Zychlinsky cast a new light on the role of neutrophils in the non-specific immune response of the body. This discovery has resulted in the rapid development of neutrophil studies in different bacterial and autoimmune diseases as well as neoplasms. Research is also being performed on the role of different signalling pathways engaged in the induction of NETosis a unique form of a programmed cell death leading to the creation of NETs...
September 26, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27636597/lack-of-response-to-hbha-in-hiv-infected-patients-with-latent-tuberculosis-infection
#18
Giovanni Delogu, Valentina Vanini, Gilda Cuzzi, Teresa Chiacchio, Flavio De Maio, Basem Battah, Carmela Pinnetti, Alessandro Sampaolesi, Andrea Antinori, Delia Goletti
RATIONALE: Heparin-binding haemagglutinin (HBHA) has been proposed as an immunological biomarker for discriminating active tuberculosis (TB) from latent TB infection (LTBI) and to identify those at higher risk of progressing to active disease. Few data are available in immune compromised patients, which are those with increased risk of TB reactivation. OBJECTIVE: To evaluate the immune response to HBHA in HIV-infected subjects with LTBI (HIV-LTBI) or active TB (HIV-TB) in comparison with the immune response to additional Mycobacterium tuberculosis (Mtb) or HIV and CMV antigens...
September 16, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27636405/chemokine-patterns-in-children-with-acute-bacterial-infections
#19
Nara Vasconcelos Cavalcanti, Leuridan Cavalcante Torres, Marina Cadena da Matta, Carolina Duarte Lindoso, Luana Nobre de Abreu Carvalho, Maria do Carmo Menezes Bezerra Duarte, Jailson Barros Correia
Chemokines are chemotactic cytokines that are mainly involved in the migratory patterns of immune cells. Few studies have evaluated levels of chemokines in children with acute bacterial infections. The aim of the present study was to evaluate serum levels of chemokines MCP-1, RANTES, MIG and IP-10 in children with sepsis, community-acquired pneumonia (CAP) and skin abscess. Serum levels of MCP-1, RANTES, MIG and IP-10 were measured in 37 children with sepsis, 27 children with CAP, 25 children with skin abscess and 20 controls with no signs of infection...
September 16, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27781323/therapeutic-potential-for-targeting-the-suppressor-of-cytokine-signalling-1-pathway-for-the-treatment-of-sle
#20
B Sukka-Ganesh, J Larkin
Although the specific events dictating systemic lupus erythematosus (SLE) pathology remain unclear, abundant evidence indicates a critical role for dysregulated cytokine signalling in disease progression. Notably, the suppressor of cytokine signalling (SOCS) family of intracellular proteins, in particular the kinase inhibitory region (KIR) bearing SOCS1 and SOCS3, plays a critical role in regulating cytokine signalling. To assess a relationship between SOCS1/SOCS3 expression and SLE, the goals of this study were to (1) evaluate the time kinetics of SOCS1/SOCS3 message and protein expression based on SLE-associated stimulations, (2) compare levels of SOCS1 and SOCS3 present in SLE patients and healthy controls by message and protein, (3) relate SOCS1/SOCS3 expression to inflammatory markers in SLE patients and (4) correlate SOCS1/SOCS3 levels to current treatments...
November 2016: Scandinavian Journal of Immunology
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