alexa Erythrocyte Flow Cytometric Analysis in Congenital Dyserythropoietic Anemia Type III-Evaluation of Eosin-5 and#195;and#338;and#194;and#129; -Maleimide, CD55, and CD59 | Abstract
ISSN: 2155-9864

Journal of Blood Disorders & Transfusion
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Research Article

Erythrocyte Flow Cytometric Analysis in Congenital Dyserythropoietic Anemia Type III-Evaluation of Eosin-5 ́ -Maleimide, CD55, and CD59

Maria Liljeholm1*, Elisabeth Gronlund3, Irina Golovleva3, Herbert Sandström2 and Anders Wahlin1

1Department of Radiation Sciences, Umea University, Sweden

2Department of Public Health and Clinical Medicine, Umea University, Sweden

3Department of Medical Biosciences, Umea University, Sweden

*Corresponding Author:
Maria Liljeholm
Department of Radiation Sciences
Umea University, SE-90185 Umea, Sweden
E-mail: [email protected]

Received date: September 24, 2013; Accepted date: November 06, 2013; Published date: November 10, 2013

Citation: Liljeholm M, Gronlund E, Golovleva I, Sandström H, Wahlin A (2013) Erythrocyte Flow Cytometric Analysis in Congenital Dyserythropoietic Anemia Type III-Evaluation of Eosin-5´-Maleimide, CD55, and CD59. J Blood Disord Transfus 4:172. doi: 10.4172/2155-9864.1000172

Copyright: © 2013 Liljeholm M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Introduction: Flow cytometry with eosin-5´-maleimide (EMA), anti-CD55 and anti-CD59 is commonly used when investigating non-autoimmune hemolytic anemias. Reduced fluorescence of EMA, typically detected in hereditary spherocytosis is also seen in congenital dyserythropoietic anemia type II (CDA II). Reduction of CD55 and CD59 characterizes paroxysmal nocturnal hemoglobinuria (PNH). We studied the flow cytometric profile of EMA, CD55 and CD59 on erythrocytes in congenital dyserythropoietic anemia type III (CDA III). Methods: Erythrocytes from 16 CDA III positive individuals, 14 CDA III negative relatives and three normal controls per assay were studied with flow cytometry after EMA staining. Flow cytometry after anti-CD55 and anti- CD59 was performed on erythrocytes from 12 CDA III positive and 7 CDA III negative relatives with one normal control per assay. Results: CDA III - erythrocytes exhibited marginally stronger fluorescence after EMA-staining than normal controls. Correlation between EMA fluorescence and erythrocyte volume was confirmed. CDA III subjects did not differ from normal controls concerning CD55 and CD59. Conclusion: The results of the present study indicate no abnormality of the erythrocyte membrane in CDA III and show that standard flow cytometry cannot be used to discriminate between CDA III and normal controls.

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