نتایج جستجو برای: c1 inhibitor
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C1 inhibitor (C1INH) is a serpin that regulates both complement and contact (kallikrein-kinin) system activation. It consists of a serpin domain that is highly homologous to other serpins and an amino terminal non-serpin mucin-like domain. Deficiency of C1INH results in hereditary angioedema, a disease characterised by episodes of angioedema of the skin or the mucosa of the gastrointestinal tra...
Kupffer cells (KC) represent the main part of the tissue macrophages. Beside phagocytosis of particulate material, involvement of KC in immunological and inflammatory reactions has been supposed. As C1 esterase inhibitor (C1-INH) is a serine protease inhibitor involved in such processes, the aim of this work was to study C1-INH synthesis in KC and, by comparison, in peritoneal macrophages (PM) ...
Hereditary angioedema (HAE) is a rare genetic disease characterized by episodic subcutaneous or submucosal swelling. The primary cause for the most common form of HAE is a deficiency in functional C1 esterase inhibitor (C1-INH). The swelling caused by HAE can be painful, disfiguring, and life-threatening. It reduces daily function and compromises the quality of life of affected individuals and ...
TOPIC: Allergy and Airway TYPE: Medical Student/Resident Case Reports INTRODUCTION: The pathophysiology of angioedema is broad. It may be hereditary, idiopathic, or a reaction to range medications allergens; there have been few case reports describing recurrent in patients with autoimmune conditions such as systemic lupus erythematosus (SLE). We present the patient SLE who suffered from face, i...
BACKGROUND Systemic inflammation in response to a femur fracture and the additional fixation is associated with inflammatory complications, such as acute respiratory distress syndrome and multiple organ dysfunction syndrome. The injury itself, but also the additional procedure of femoral fixation induces a release of pro-inflammatory cytokines such as interleukin-6. This results in an aggravati...
C1 Inhibitor deficiency is a rare disorder, characterised by recurrent angio-oedema of skin, upper respiratory and gastrointestinal tracts. It can be a mimicker of acute abdomen or anaphylaxis to drug or food and lead on to unnecessary overtreatment. Three case reports of such patients with history of recurrent abdominal pain and angio-oedema due to C1 Inhibitor deficiency is reported here.
Twelve human C1 inhibitor P1 variants were constructed by site-directed mutagenesis of the codon for arginine 444 and were expressed in COS-1 cells to analyze the functional properties. The ability to bind to target proteases, as well as potential substrate-like behavior, was investigated with radioimmunoassays. The P1-Lys variant retained binding capacity toward C1s, plasmin, and kallikrein. I...
Hereditary angioedema (HAE) is a clinical disorder characterized by a deficiency of C1 esterase inhibitor (C1-INH). HAE has traditionally been divided into two subtypes. Unique among the inherited deficiencies of the complement system, HAE Types I and II are inherited as an autosomal dominant disorder. The generation of an HAE attack is caused by the depletion and/or consumption of C1-inhibitor...
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