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Hemoglobin A2

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Definition: An adult hemoglobin component normally present in hemolysates from human erythrocytes in concentrations of about 3%. The hemoglobin is composed of two alpha chains and two delta chains. The percentage of HbA2 varies in some hematologic disorders, but is about double in beta-thalassemia.  /urine: coord NIM with HEMOGLOBINURIA (IM); DF: HBA2    Other names A2, Hemoglobin
 
SubstanceCAS Registry & nameCategoriesSourceDrugs*
hemoglobin A2 Pylos  0   *Hemoglobins, Abnormal Hemoglobin A2. Human Mutat 1997;9(4):344-7
hemoglobin A2 Etolia  0   *Hemoglobins, Abnormal Hemoglobin A2. Hum Mutat 1997;9(4):344-7
hemoglobin A2'  9034-52-0   *Hemoglobin A2. Hemoglobin 1985;9(4):363
hemoglobin A2 Yokoshima  101800-49-1 Hemoglobin A2 Yokoshima  *Hemoglobin A2 *Hemoglobins, Abnormal. Hemoglobin 1985;9(6):613
hemoglobin A2 Honai  101800-48-0 Hemoglobin A2 Honai  *Hemoglobin A2 Genetic Variation. Hemoglobin 1985;9(6):597

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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