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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/18143
Title: Relation of haemolytic anaemia and erythrocyte-bound IgG in α- and β-thalassaemic syndromes
Authors: S. Chinprasertsuk
W. Wanachiwanawin
K. Pattanapanyasat
N. Tatsumi
A. Piankijagum
Osaka City University
Mahidol University
Keywords: Medicine
Issue Date: 10-Apr-1997
Citation: European Journal of Haematology. Vol.58, No.2 (1997), 86-91
Abstract: There has been evidence that TgG-mediated phagocytosis plays some part in destruction of erythroid cells and subsequent anaemia in thalassaemia. In this study using direct immunofluorescence and flow cytometry, erythrocyte-bound IgG was studied in 53 and 33 β-thal/Hb E and Hb H patients, respectively. The mean percentages of IgG-positive erythrocytes in both nonsplenectomized (4.4%) and splenectomized (24%) β-thal/Hb E patients were significantly higher than that in normal subjects (1.0%); p < 0.05 and < 0.001, respectively. Splenectomized β-thal/Hb E patients had significantly higher percentages of IgG-positive erythrocytes than the nonsplenectomized patients (p < 0.001). The mean percentages of IgG-positive erythrocytes in Hb H patients were comparable to those from normal controls. However, patients with α-thal 1/Hb CS had significantly higher IgG-positive erythrocytes than those with α-thal 1/α-thal 2 (p = 0.008). Splenectomized Hb H patients also had higher IgG-positive erythrocytes than nonsplenectomized Hb H patients (p < 0.039). During haemolytic crisis in some Hb H patients, high percentages of IgG-positive erythrocytes were also demonstrated. This study demonstrates the presence of increased IgG on erythrocytes in patients with β-thal/Hb E and in those with Hb H disease following splenectomy or in haemolytic crisis.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0030894462&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/18143
ISSN: 09024441
Appears in Collections:Scopus 1991-2000

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