نتایج جستجو برای: cgd
تعداد نتایج: 685 فیلتر نتایج به سال:
The innate immune response to bacterial infections includes neutrophil chemotaxis and activation, but regulation of inflammation is less well understood. Formyl peptides, byproducts of bacterial metabolism as well as mitochondrial protein biosynthesis, induce neutrophil chemotaxis, the generation of reactive oxygen intermediates (ROI), and the production of the neutrophil chemoattractant, IL-8....
Chronic granulomatous disease (CGD) is a primary immunodeficiency caused by failure of superoxide production in phagocytic cells. The disease is characterised by recurrent infections and inflammatory events, frequently affecting the lungs. Improvement of life expectancy now allows most patients to reach adulthood. We aimed to describe the pattern of pulmonary manifestations occurring during adu...
Chronic granulomatous disease (CGD) is a rare immunodeficiency disease, which is characterized by the lack of a functional nicotinamide adenine dinucleotide phosphate (NADPH) oxidase in phagocytes. The disease presents leukocytosis, anemia, hypergammaglobulinemia, and granuloma formation of the skin, lung, or lymph nodes. The mutation of the CYBB gene encoding gp91phox, located on chromosome Xp...
Chronic granulomatous disease (CGD) is a rare immunodeficiency disorder in which phagocytic leukocytes fail to generate superoxide (O(2)(-)) and antimicrobial oxidants. The therapeutic validity of interferon-gamma (IFN-γ) has been well established in CGD patients but its underlying mechanisms remain poorly understood. One probable mechanism has been suggested to be modulation of nitric oxide (N...
Leukocytes from two patients with chronic granulomatous disease of childhood (CGD) and from one female carrier were examined for their capacity to induce germination of Clostridium botulinum type A spores in vitro. Normal human leukocytes induced germination of C. botulinum spores to the same extent as guinea pig neutrophils. Germination was depressed by more than half when cells from CGD patie...
Chronic granulomatous disease (CGD) is an inherited disease caused by defects in the superoxide-generating nicotinamide adenine dinucleotide phosphate (NADPH) oxidase of phagocytes. Genetic lesions in any of 4 components of this antimicrobial enzyme have been detected. Family-specific mutations are found in 3 of 4 forms of CGD due to deficiencies of the gp91-phox, p22-phox, and p67-phox genes. ...
CGD is an immunodeficiency caused by deletions or mutations in genes that encode subunits of the leukocyte NADPH oxidase complex. Normally, assembly of the NADPH oxidase complex in phagosomes of certain phagocytic cells leads to a "respiratory burst", essential for the clearance of phagocytosed micro-organisms. CGD patients lack this mechanism, which leads to life-threatening infections and gra...
یک نقص ایمنی اولیه ی نادر است که ابتدا در کودکان شرح داده شد . این بیماری عمدتاً در cgd کودکان دیده می شود ولی مواردی از بیماری در بزرگسالان نیز گزارش شده است. در این گزارش که به همراه با برونشیولیت لنفوسیتیک در یک فرد بالغ بوده cgd به اولین مورد بررسی پرداخته شده است . بیماری 40 ساله که با سرفه و خلط چرکی و تنگی نفس و کاهش وزن مراجعه اسکن، بیوپسی باز ریه ct نموده است، دو دوره تحت درمان ضد سل قر...
Chronic granulomatous disease (CGD) is a rare inherited immunodeficiency syndrome that results from abnormal nicotinamide adenine dinucleotide phosphate (NADPH) oxidase function. This defect leads to recurrent catalase-positive bacterial and fungal infections as well as associated granuloma formation. We review the case of a 2-year-old boy who presented with ascites and fever of an unknown orig...
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