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To determine the contribution of IL-1, TNF-α and IL-17 on AP-1, NF-κB and Egr-1 activation in cytokine induced bone destruction as observed in rheumatoid arthritis, we investigated the effect of these pro-inflammatory cytokines used alone or in combination on transcription factor activation in osteoblast-like ROS 17/2.8 cells. The effects of each cytokine were measured by RT-PCR and immunocytochemistry...
A 750 kDa polyethylenimine (PEI 750 kDa) combined with albumin has been found to mediate in vivo a highly efficient transfection of small amounts of plasmid DNA. Using this exceptional carrier system we evaluated the inflammatory responses triggered by CpG sequences found in plasmid DNA. Using as little as 1 μg DNA transferred in vivo caused an almost negligible response from pro-inflammatory cytokines...
Enhanced pro-inflammatory cytokine production is considered a pathogenic factor in non-alcoholic fatty liver disease (NAFLD). Peripheral blood production of interleukin-1α (IL-1α) and tumor necrosis factor-α (TNF-α) was studied in relation to the severity of histological changes of the liver in obese NAFLD patients. Basal levels in serum and production of IL-1α and TNF-α in peripheral blood cell cultures...
Chronic heart failure (CHF) is a state of immune activation, and pro-inflammatory cytokines play an important role in its development and progression. Macrophages (Mϕs), when activated, are the main source of pro-inflammatory cytokines. We measured interleukin-6 (IL-6), interleukin (IL-1β) and tumor necrosis factor - α (TNF-α) production after lipopolysaccharide (LPS)-stimulation, as well as peritoneal...
Exercise and physical strenuous activity have been demonstrated to increase the serum TNF-α and IL-6. Regular physical training is expected to attenuate such a response. This study was undertaken to understand the impact of regular exercise training on IL-6 and TNF-α in athletes and non-athletes. Ten athletes, who have been on regular training for the past 6 months, and 10 age- and sex-matched subjects...
The present study demonstrates that liposomes coated with synthesized neoglycolipids constructed from mannotriose and dipalmitoylphosphatidylethanolamine (Man3-DPPE) activate peritoneal macrophages (PEMs) to up-regulate expression of co-stimulatory molecules and preferentially secrete IL-12. Injection of Man3-DPPE-coated liposomes (oligomannose-coated liposome, OMLs) into the peritoneal cavity of...
Gingival tissue faces constant exposure to micro-organisms. It functions as part of the host response, an anti-microbial barrier that recognizes and discriminates between commensal and pathogenic bacteria. This study aimed to evaluate and compare the effects of cell wall extracts from different periodontal bacteria, commensals Streptococcus sanguinis and Fusobacterium nucleatum and the pathogen Porphyromonas...
Endotoxin shock can induce the production of several inflammatory mediators such as TNF-α, IL-6, and IL-1β, leading to multiple organ dysfunction and death. Erythropoietin (EPO) has been found to interact with its receptor (EPO-R), expressed in a wide variety of non-hematopoietic tissues, to induce a range of pleiotropic cytoprotective actions. We investigated the effects of low doses of EPO (300U/kg,...
The ailment osteoarthritis (OA) has two aspects – inflammation and cartilage degradation – where combined transgene expression may offer an effective gene therapy. Our present study focuses on the co-expression of interleukin-4 (IL-4) and insulin-like-growth factor-1 (IGF-1), which specifically target inflammation and cartilage repair, respectively. In this study, we analyze the expression of IGF-1...
The etiology of colon cancer is a complex phenomenon that involves both genetic and environmental factors. However, only about 20% have a familial basis with the largest fraction being attributed to environmental causes that can lead to chronic inflammation. While the link between inflammation and colon cancer is well established, the temporal sequence of the inflammatory response in relation to tumorigenesis...
Several evidences support the existence of cytokine deregulation in acute myeloid leukemia (AML) patients that may be associated with pathogenesis, disease progression and patient survival.In the present study, we analyzed plasma levels of pro- and anti-inflammatory cytokines in AML patients and age-matched healthy donors. TNF-α, IL-6, IL-1β, IL-2, IFN-γ, IL-17A, IL-12p70, IL-8, IL-10, IL-4 and IL-5...
Vitamin D is an important factor for calcium and phosphorus homeostasis. A negative relationship has been observed between vitamin D status and diseases such as cancer, arthritis, diabetes, and muscle fiber atrophy. However, the relationship between vitamin D and prevention of skeletal muscle damage has not been clearly elucidated. The purpose of this study was to investigate the effects of vitamin...
Balanced regulation of cytokine secretion in T cells is critical for maintenance of immune homeostasis and prevention of autoimmunity. The Rho-associated kinase (ROCK) 2 signaling pathway was previously shown to be involved in controlling of cellular movement and shape. However, recent work from our group and others has demonstrated a new and important role of ROCK2 in regulating cytokine secretion...
The present study was aimed to investigate the anti-arthritic effect of majoon ushba (MU) and its underlying mechanism in adjuvant induced arthritis (AIA) rats. Arthritis was induced by intradermal injection of complete freund’s adjuvant (0.1ml) into the right hind paw of the Wistar albino rats. MU (1000mg/kg/b.wt) and methotrexate (3mg/kg/b.wt) were administered from day 11 to day 18th for 8days...
In October 2013, the International Life Sciences Institute - Health and Environmental Sciences Institute Immunotoxicology Technical Committee (ILSI-HESI ITC) held a one-day workshop entitled, “Workshop on Cytokine Release: State-of-the-Science, Current Challenges and Future Directions”. The workshop brought together scientists from pharmaceutical, academic, health authority, and contract research...
Psoriasis is an autoimmune skin disease characterised by proliferation of keratinocytes, primarily due to cytokines Th1 and Th17. This profile is involved in pathogenesis of metabolic syndrome, a frequently found comorbidity in patients with psoriasis.In this study we determine the correlation of levels of pro-inflammatory cytokines TNF-α, IL-23, IL-12, and IL-22 in patients with psoriasis with and...
The levels of pro and anti-inflammatory cytokines can be altered in different autoimmune pathologies, such as multiple sclerosis (MS). It is likely that cytokines in bodily fluids can provide a good reflection of ongoing disease patho-physiology. In this study we aimed to validate multiplex cytokine platforms and evaluate whether these cytokines are differentially expressed in MS.Assay validation...
Rheumatoid arthritis (RA) fibroblast-like synoviocytes (FLSs) play a crucial role in RA through producing inflammatory cytokines and proteases which could cause cartilage destruction. We showed previously that elevated expression of tumor necrosis factor receptor-associated factor 6 (TRAF6) in RA synovium correlated significantly with the severity of synovitis and the number of infiltrated inflammatory...
Cancer cachexia is characterised by involuntary weight loss associated with systemic inflammation and metabolic changes. Studies aimed at maintaining lean body mass in cachectic tumour-bearing hosts have made important contributions reducing the number of deaths and improving the quality of life. In recent years, leucine has demonstrated effective action in maintaining lean body mass by decreasing...
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