نتایج جستجو برای: mbl
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Infection imposes a serious burden on patients with systemic lupus erythematosus (SLE). The increased infection rate in SLE patients has been attributed in part to defects of immune defence. Recently, the lectin pathway of complement activation has also been suggested to play a role in the occurrence of infections in SLE. In previous studies, SLE patients homozygous for mannose-binding lectin (...
Aspergillus fumigatus is a major fungal pathogen that may be fatal to immunocompromised individuals and causes airway hyperreactivity and remodeling in sensitized individuals. Herein, we examined the role of mannose-binding lectin (MBL), a complement-activating plasma protein, during pulmonary innate and allergic immune responses directed against A. fumigatus spores or conidia. Neither group of...
BACKGROUND Mannose-binding lectin (MBL) is a serum lectin involved in innate immune response. Low serum MBL concentration may constitute a risk factor for infection in patients receiving myelosuppressive chemotherapy. METHODS We conducted a prospective, observational study that assessed MBL concentration as a risk factor for infection in patients with hematological malignancy who were hospita...
BACKGROUND Infection is a leading cause of mortality and morbidity in patients with end-stage renal disease. The increased susceptibility to infection is probably secondary to the impaired immune defence in uraemia and other co-morbid factors such as diabetes mellitus. Peritonitis remains the most common and major complication in the treatment modality of peritoneal dialysis (PD) for uraemic pa...
IgA nephropathy (IgAN) is characterized by glomerular co-deposition of IgA and complement components. Earlier studies showed that IgA activates the alternative pathway of complement, whereas more recent data also indicate activation of the lectin pathway. The lectin pathway can be activated by binding of mannose-binding lectin (MBL) and ficolins to carbohydrate ligands, followed by activation o...
Results: 91/267 cases (34%) displayed MYC PR mutations. The mutation frequency (MF) was significantly higher in molecular BL (mBL) identified by GE than in nonmolecular BL (non-mBL) (0,63% vs. 0,18%, p<0,0001). Interestingly 27 non-mBL lacking MYC translocations carried MYC PR mutations indicating aberrant somatic hypermutation. MYC TAD mutations were present in 62/267 cases (23%) including 36/...
Genetic factors may predispose critically ill patients to increased risk of developing sepsis. Mannose-binding lectin (MBL) is an important factor in innate immune defense. We investigated whether MBL gene polymorphisms causing low levels of MBL are associated with the development and progression of sepsis in adult patients in intensive care units. In 272 prospectively monitored patients with s...
Background and Objective: Metallo-beta-lactamase (MBL)-mediated resistance is an emerging threat in hospital isolates of Pseudomonas aeruginosa. There is not enough information from Iran regarding the prevalence and the screening methods for such enzymes. The present study was undertaken to detect Metallo betalactamase in strains of P. aeruginosa isolated from burned patien...
background dermatophytosis is a cutaneous fungal infection with a worldwide occurrence. in dermatophyte infections, the release of keratinocyte cytokines, in the presence of dermatophyte antigens, causes an acute phase response; subsequently, the acute-phase proteins are produced by hepatocytes. mannose–binding lectin (mbl), an acute-phase protein, also acts as a kind of pattern recognition rec...
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