Paroxysmal nocturnal hemoglobinuria without GPI-anchor deficiency
نویسندگان
چکیده
منابع مشابه
Defective glycosylphosphatidylinositol anchor synthesis in paroxysmal nocturnal hemoglobinuria granulocytes.
To investigate the biosynthesis of the glycosylphosphatidylinositol (GPI) anchor in the granulocytes of paroxysmal nocturnal hemoglobinuria (PNH), the glycolipids of granulocytes from PNH patients and normal volunteers were biosynthetically labeled with [3H]mannose in the presence of tunicamycin. Extracted glycolipids were examined by thin-layer chromatography and compared with known biosynthet...
متن کاملParoxysmal nocturnal hemoglobinuria.
Paroxysmal Nocturnal Hemoglobinuria (PNH) literally means to have episodes of hemoglobin in the urine during the night. It is a Coomb's negative rare hemolytic disorder characterized by non-malignant clonal expansion of haemopoietic stem cells due to acquired genetic mutations. A 30 years old male patient presented with 5 years history of transfusion dependent anemia with intermittent episodes ...
متن کاملParoxysmal nocturnal hemoglobinuria.
Keywords Disease name and synonym Definition and Differential Diagnosis Etiology Clinical Description Diagnostic Methods Epidemiology Management References Abstract Paroxysmal nocturnal hemoglobinuria (PNH) is an acquired clonal disorder of the bone marrow characterized by the lack (total or partial) of all proteins normally attached to the cell membrane by the glycosylphosphatidylinositol (GPI...
متن کاملParoxysmal nocturnal hemoglobinuria.
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare bone marrow failure disorder that manifests with hemolytic anemia, thrombosis, and peripheral blood cytopenias. The absence of two glycosylphosphatidylinositol (GPI)-anchored proteins, CD55 and CD59, leads to uncontrolled complement activation that accounts for hemolysis and other PNH manifestations. GPI anchor protein deficiency is almost alw...
متن کاملParoxysmal Nocturnal Hemoglobinuria
Paroxysmal nocturnal hemoglobinuria (PNH) is a complex hematological disorder resulting in a quite unique clinical syndrome. In fact, the typical clinical presentation encompasses three distinct hematological manifestations, i.e., hemolytic anemia, bone marrow failure and thrombophilia (Dunn et al 2000; Parker & Ware 2003; Notaro & Luzzatto 2003). Thus, the term PNH covers only one feature of t...
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ژورنال
عنوان ژورنال: Journal of Clinical Investigation
سال: 2019
ISSN: 0021-9738,1558-8238
DOI: 10.1172/jci131647