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To determine whether interleukin (IL)-27 is involved in dermatomyositis (DM) and polymyositis (PM).Serum IL-27, IL-18 and interferon-γ (IFN-γ) levels in 37 DM and 15 PM were detected by enzyme-linked immunosorbent assay (ELISA).Serum IL-27, IL-18 and IFN-γ levels were significantly higher in DM and PM patients than in healthy controls. Significant higher levels of IL-27 were found in high creatine...
The failure of the immune response to clear the Hepatitis C virus (HCV) results in chronic inflammation that leads to liver cirrhosis. In general, women have a better prognosis than men and this may be associated with increased levels of anti-inflammatory mediators that are positively regulated by female sex hormones. Our aim was to determine if a cohort of Irish women who acquired infection through...
Chronic periodontitis (CPs) could result in damage of periodontal tissues, loss of teeth and impose troublesome hindrance to restore teeth satisfyingly as well. Functional gene polymorphisms of matrix metalloproteinases, cytokines and cyclooxygenase-2 have been found to play important roles in periodontitis. This study was to investigate the association between MMP-1-1067, MMP-3-1171, MMP-9-1562,...
Conventional clinical parameters are not sensitive or specific enough for detecting ongoing disease activity in the Systemic Lupus Erythematosus (SLE). Measurement of cytokines in urine is an encouraging approach to detection of early flares in this disease. Here we have profiled 27 different cytokines, chemokines and celular growth factors in the urine of 48 patients previously diagnosed of SLE as...
T-helper (TH) and regulatory T cells (Tregs) are important modulators of immune responses. Aim of this study was to analyse their expression potential for cytokines and other immune-relevant molecules. Therefore, porcine PBMC, CD4 − cells, CD4 + CD25 − resting, CD4 + CD25 dim activated TH cells, and CD4 + CD25 high Tregs were analysed on their...
Transforming growth factor-beta1 (TGF-B1) is a highly pleiotropic cytokine whose functions include a central role in the induction of fibrosis.To investigate the hypothesis that elevated plasma levels of TGF-B1 are positively associated with incident heart failure (HF).The hypotheses were tested using a two-phase case-control study design, ancillary to the Cardiovascular Health Study – a longitudinal,...
Considering macrophage migratory inhibitory factor (MIF) as a critical pro-inflammatory cytokine of the immune system, we evaluated plasma MIF levels in 89 HIV-infected adults. Plasma MIF levels were higher in HIV-infected than in HIV-negative individuals. Highest MIF levels were observed during acute HIV infection (AHI) whilst patients on antiretroviral therapy (ART) had lower MIF levels, regardless...
Endothelial activation leading to vascular barrier dysfunction and organ failure is a well-recognized complication of cardiovascular surgery with cardiopulmonary bypass (CPB). The endothelial-specific angiopoietin–Tie2 ligand–receptor system has been identified as a non-redundant regulator of endothelial activation. Binding of angiopoietin-2 (Ang-2) to the Tie2 receptor antagonizes Tie2 signaling...
Sildenafil induces cGMP accumulation through phosphodiesterase-5 (PDE5) inhibition. cGMP-pathways protect oligodendrocytes and modulate astroglial and microglial reactions. Microglia and astrocytes play an important role in perpetuating multiple sclerosis (MS), a chronic inflammatory disease characterized by demyelination. Therefore, sildenafil can be a potential tool for MS treatment. The present...
Short, nonlethal ischemic episodes administered to hearts directly after ischemic events (ischemic postconditioning, IPost) have an advantage over ischemic preconditioning (IPC). The endogenous cytochrome P450 2J3/11,12-epoxyeicosatrienoic acid (CYP2J3/11,12-EET) is upregulated by IPost, but not IPC, in the rat heart. The CYP epoxygenase inhibitor N-methylsulphonyl-6-(2-propargyloxyphenyl) hexanamide...
A previous study suggested that the CXCR2 (+1208) TT genotype was associated with increased risk of systemic sclerosis (SSc). In the present study, we investigated the influence of variation in the CXCL8 and CXCR2 genes on susceptibility to SSc and combined the variant alleles of these genes to analyze their effects on SSc.One fifty one patients with SSc and 147 healthy bone marrow donors were enrolled...
As TNF is one of the earliest signals that can be detected in the leukocyte-derived inflammatory cascade which drives subsequent cytokine production, we are interested in determining whether TNF is one of the initiating factors controlling liver remodeling and regeneration following chronic liver damage. One of the early responses is the expression of lymphotoxin-β by hepatic progenitor oval cells...
Experimental autoimmune orchitis (EAO) is a model of chronic inflammation and infertility useful for studying immune and germ cell (GC) interactions. EAO is characterized by severe damage of seminiferous tubules (STs) with GCs that undergo apoptosis and sloughing. Based on previous results showing that Fas–Fas Ligand (L) system is one of the main mediators of apoptosis in EAO, in the present work...
Aging could be the cause of inflammation involved in the progression of many degenerative diseases while physical exercise might reduce the inflammation. This study examined the effects of aging versus exercise on serum profiles of cytokines and chemokines in mice models. Male C57BL/6N mice with different ages (2 and 20months old) were subjected to treadmill exercise for 4weeks. The exercise did not...
Thalidomide is an immunomodulatory and anti-inflammatory agent and is used in autoimmune disorders. It has been shown that thalidomide inhibits proinflammatory cytokines production. The purpose of this study was to investigate the effect of thalidomide on the prevention of autoimmune diabetes in mice. Diabetes was induced by multiple low-dose of streptozotocin (MLDS) injection. Mice were treated with...
The high incidence of morbidity and mortality following major burn can in part be attributed to immune derangements and wound healing complications. Inflammation plays an important role in wound healing, of which inducible nitric oxide synthase (iNOS) derived nitric oxide is a central mediator. T-cells of the γδ TCR lineage have also been shown to be important in healing of the burn wound site. Nonetheless,...
Prematurity is the main cause of perinatal mortality and morbidity, and preterm birth is often associated with intrauterine inflammation. Surfactant protein D (SP-D) functions in lung homeostasis and has multiple roles in innate immunity. It is present in amniotic fluid and in gestational tissues. We propose that SP-D may regulate intrauterine inflammatory responses related to preterm labor. Our aim...
Human pancreatic cancer is one of the most fatal of all solid tissue malignancies. Pancreatic inflammation plays a key role in the development of pancreatic malignancy mediated by pro-inflammatory signalling cascades. Despite advances in surgery and radiation oncology, no significant improvements in overall survival have yet been achieved. Recent investigations suggest a crucial role of interleukin-33...
IL-6 is a pleiotropic cytokine which emerged recently as a key regulator of CD4 T cell function. IL-6 alone or in combination with other cytokines promotes T helper 1, T helper 17 and T follicular helper cell differentiation whilst inhibiting the induction of regulatory T cell generation. IL-6 activates multiple pathways among which JAK/STAT3 is the most clearly validated in the control of CD4 T helper...
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