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Sickle cell disease (SCD), also simply called sickle cell, is a group of hemoglobin-related blood disorders that are typically inherited. [2] The most common type is known as sickle cell anemia . [ 2 ]
Hemoglobin C is found most abundantly in areas of West Africa, such as Nigeria, where Yorubas live. [15] [16] [17] Hemoglobin C gene is found in 2-3% of African-Americans [4] while 8% of African-Americans have hemoglobin S (Sickle) gene. Thus Hemoglobin SC disease is significantly more common than Hemoglobin CC disease.
The majority of hemoglobin variants do not cause disease and are most commonly discovered either incidentally or through newborn screening. Hb variants can usually be detected by protein-based assay methods such as electrophoresis , [ 15 ] isoelectric focusing , [ 16 ] or high-performance liquid chromatography . [ 17 ]
Sickle cell disease is a blood disorder wherein there is a single amino acid substitution in the hemoglobin protein of the red blood cells, which causes these cells to assume a sickle shape, especially when under low oxygen tension.
Hemoglobin electrophoresis is a blood test that can detect different types of hemoglobin. The test can detect hemoglobin S, the form associated with sickle cell disease, as well as other abnormal types of hemoglobin, such as hemoglobin C. It can also be used to investigate thalassemias, which are disorders caused by defective hemoglobin production.
A vaso-occlusive crisis is a common painful complication of sickle cell anemia in adolescents and adults. [1] [2] It is a form of sickle cell crisis.Sickle cell anemia – most common in those of African, Hispanic, and Mediterranean origin – leads to sickle cell crisis when the circulation of blood vessels is obstructed by sickled red blood cells, causing ischemic injuries.
Sickle cell disease is a group of inherited blood disorders, caused by a genetic abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. [57] Under certain circumstances, this leads to the red blood cells adopting an abnormal sickle -like shape; with this shape, they are unable to deform as they pass through capillaries ...
Hemoglobin C disease; Hemoglobin E disease; Hemoglobin SC disease; Hemoglobinopathy; Hemoglobinuria; Hemolytic anemia lethal genital anomalies; Hemolytic-uremic syndrome; Hemophagocytic lymphohistiocytosis; Hemophagocytic reticulosis; Hemophilia A; Hemophilic arthropathy; Hemophobia; Hemorrhagic fever with renal syndrome; Hemorrhoid ...