toll like receptors (tlrs) recognize pathogens and generate an immediate defense response by inducing the production of pro-inflammatory cytokines, which rapidly destroy or limit the pathogens. in their bridging role, tlr downstream signals link innate and adaptive immunity, particularly by mediating dc maturation and activation of pathogen specific t lymphocytes. these pathways lead to the act...

objective(s) using a cancer murine model of invasive aspergillosis (ia), we investigated the expression of tlr-2, dectin-1 and the level of cytokine production by cd4+ t helper cells in different groups of mice (with or without cancer), also, the effect of invasive aspergillosis on the immune response pattern of cancer mice. materials and methods patterns of susceptibility and resistance to inf...

background macrophages play critical roles in innate immune response in the liver. whether macrophages participate in liver innate immunity against hcv replication is poorly understood objectives the aim of this study was to investigate the role of macrophages in liver innate immunity against hcv replication. conclusions macrophages may play an important role in liver innate immunity against hc...

cannabinoids induce diverse responses on anxiolytic–like behaviors. moreover some studies postulated that there is a close relationship between this system and serotonergic system upon cognitive process formation. thus the aim of present study is investigation the possible role of 5-ht 1 receptor on anxiolytic–like behaviors induced by acpa in the elevated plus maze task (epm). in the present s...

background: recently, reports have indicated a role for the membrane form of toll-like receptor 2 (tlr2) in asthma pathogenesis. in this study we examined soluble tlr2 levels in serum and sputum of asthmatic and healthy subjects. methods: serum and sputum samples were obtained from 33 asthmatic and 19 healthy subjects. the asthmatics were classified into four groups according to the global init...

objective: argemone mexicana is a papaveracea plant; some reports have shown their antibacterial, anti-cancer, sedative and probably anti-anxiety properties. from their aerial parts, flavonoids and alkaloids have been isolated, which are intrinsically related to some actions on the central nervous system. the aim of this study was to evaluate the anxiolytic-like effects of the plant, using its ...

background: myocardial dysfunction is one of the major complications in patients with sepsis where there is a relationship between the blood level of cytokines and the onset of myocardial depression. in many cases of sepsis, the presence of lipopolysaccharide (lps) has been established. lps binding protein (lbp) bound endotoxin is recognized by cd14/toll-like receptor-4 (tlr4) complexes in inna...

background: the pathogenesis of migraine involves immune-mediated mechanisms in the vascular endothelium. toll like receptor 4 (tlr-4) is a signaling receptor of innate immunity which plays a role in various neuropathologies related to neuron inflammation. objective: this case/control study is aimed to investigate whether tlr- 4 896a/g variation is related to migraine headaches in an iranian po...