Deficiency in Cromer Blood Group Inab Phenotype
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منابع مشابه
Molecular cloning and characterization of decay-accelerating factor deficiency in Cromer blood group Inab phenotype.
An additional decay-accelerating factor (DAF) mutation, designated as Inab phenotype in the Cromer blood group system, was recently identified in a 28-year-old Japanese woman (H.A.). The red blood cells of H.A., like those of other Inab phenotype individuals, were negative for Cromer system antigens, Cra, Tca, Dra, UMC, and IFC. The deficiency of DAF on the red blood cells of H.A. has been show...
متن کاملThe Inab phenotype: characterization of the membrane protein and complement regulatory defect.
Recent demonstration that Cromer-related human blood group antigens reside on decay-accelerating factor (DAF) has led to identification of an apparent null phenotype (Inab) for erythrocyte DAF. This study examined expression of other phosphatidylinositol (PI)-anchored proteins by Inab erythrocytes and showed that the PI-linked membrane proteins acetylcholinesterase (AchE) and lymphocyte functio...
متن کاملMolecular basis of reduced or absent expression of decay-accelerating factor in Cromer blood group phenotypes.
The human erythrocyte blood group system Cromer consists of high-incidence and low-incidence antigens that reside on decay-accelerating factor (DAF; CD55), a glycosyl-phosphatidylinositol-anchored membrane protein that regulates complement activation on cell surfaces. In the Cromer phenotypes Dr(a-) and Inab there is reduced or absent expression of DAF, respectively. This study investigated the...
متن کاملIdentification of human erythrocyte blood group antigens on decay- accelerating factor (DAF) and an erythrocyte phenotype negative for daf
Decay accelerating factor (DAF) is a glycoprotein present on the surfaces of many types ofcells in contact with plasma, including erythrocytes, leukocytes, and platelets (reviewed in reference 1). A small amount of DAF is also present in serum. Numerous investigators have demonstrated that DAF inhibits the action of C3 convertases on cell surfaces, and its absence has been shown to be at least ...
متن کاملBiochemical studies on red blood cells from a patient with the Inab phenotype (decay-accelerating factor deficiency).
A 38-year-old Russian woman (KZ) has been identified as the fourth proposita with the Inab blood group phenotype. Like the first two propositi, she has a chronic intestinal disorder and, as shown for the third proposita, her Inab phenotype is demonstrably inherited. KZ's serum contained anti-IFC, which reacted with a red blood cell (RBC) membrane component with an Mr of 70,000, which is decay a...
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تاریخ انتشار 1998