Abstract:
There is evidence that anaemia is associated with aluminium (Al). We have already reported on the sensitivity to Al, showed by erythroid cell populations of animals chronically exposed to the metal. In order to investigate whether Al could also affect human cells, experiments were carried out both on immature and mature human erythroid cells. Erythroid progenitors (CFU-E, colony-forming units-erythroid) concentrated from human peripheral blood were cultured in an Al-rich medium under erythropoietin stimulation and their development analysed. Human peripheral erythrocytes were aged in the presence of Al. Cells were examined using scanning electron microscopy, and membrane proteins analysed by polyacrylamide gel electrophoresis with sodium dodecyl sulphate and immunoblotting. The development of the Al-treated progenitors was 8750/6600-9200 CFU-E/10 6 cells, a significantly lower median value (P<0.05) than that showed by non-treated cells (12 300/11 200-20 700 CFU-E/10 6 cells). Erythrocyte morphological changes were induced by Al during the in vitro ageing. The cells lost their typical biconcave shape, turning into acanthocytes and stomatocytes. Simultaneously, an increased membrane protein breakdown compatible with band 3 degradation was detected. Besides, Al was found within the cells and attached to the membrane. The present in vitro results suggest that Al may disturb human erythropoiesis through combined effects on mature erythrocytes and cellular metabolism in late erythroid progenitors. © 2002 Elsevier Science B.V. All rights reserved.
Registro:
Documento: |
Artículo
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Título: | Human erythroid cells are affected by aluminium. Alteration of membrane band 3 protein |
Autor: | Vittori, D.; Garbossa, G.; Lafourcade, C.; Pérez, G.; Nesse, A. |
Filiación: | Laboratorio De Análisis Biológicos, Departamento De Química Biológica, Universidad De Buenos Aires, Pabellón II, 1428 Buenos Aires, Argentina
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Palabras clave: | Aluminium toxicity; Anaemia; Band 3; Erythrocyte morphology; Membrane proteins; aluminum; dodecyl sulfate sodium; erythrocyte band 3 protein; erythropoietin; anemia; article; cell culture; cell maturation; cell metabolism; cell stimulation; colony forming unit; controlled study; culture medium; erythrocyte structure; erythroid cell; erythropoiesis; human; human cell; immunoblotting; polyacrylamide gel electrophoresis; priority journal; protein analysis; protein degradation; scanning electron microscopy; stem cell; Aluminum Compounds; Anion Exchange Protein 1, Erythrocyte; Cytosol; Erythrocyte Aging; Erythrocyte Membrane; Erythrocytes; Erythroid Progenitor Cells; Humans; Immunoblotting; Time Factors; Animalia |
Año: | 2002
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Volumen: | 1558
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Número: | 2
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Página de inicio: | 142
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Página de fin: | 150
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DOI: |
http://dx.doi.org/10.1016/S0005-2736(01)00427-8 |
Título revista: | Biochimica et Biophysica Acta - Biomembranes
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Título revista abreviado: | Biochim. Biophys. Acta Biomembr.
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ISSN: | 00052736
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CODEN: | BBBMB
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CAS: | Aluminum Compounds; Anion Exchange Protein 1, Erythrocyte
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00052736_v1558_n2_p142_Vittori |
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Citas:
---------- APA ----------
Vittori, D., Garbossa, G., Lafourcade, C., Pérez, G. & Nesse, A.
(2002)
. Human erythroid cells are affected by aluminium. Alteration of membrane band 3 protein. Biochimica et Biophysica Acta - Biomembranes, 1558(2), 142-150.
http://dx.doi.org/10.1016/S0005-2736(01)00427-8---------- CHICAGO ----------
Vittori, D., Garbossa, G., Lafourcade, C., Pérez, G., Nesse, A.
"Human erythroid cells are affected by aluminium. Alteration of membrane band 3 protein"
. Biochimica et Biophysica Acta - Biomembranes 1558, no. 2
(2002) : 142-150.
http://dx.doi.org/10.1016/S0005-2736(01)00427-8---------- MLA ----------
Vittori, D., Garbossa, G., Lafourcade, C., Pérez, G., Nesse, A.
"Human erythroid cells are affected by aluminium. Alteration of membrane band 3 protein"
. Biochimica et Biophysica Acta - Biomembranes, vol. 1558, no. 2, 2002, pp. 142-150.
http://dx.doi.org/10.1016/S0005-2736(01)00427-8---------- VANCOUVER ----------
Vittori, D., Garbossa, G., Lafourcade, C., Pérez, G., Nesse, A. Human erythroid cells are affected by aluminium. Alteration of membrane band 3 protein. Biochim. Biophys. Acta Biomembr. 2002;1558(2):142-150.
http://dx.doi.org/10.1016/S0005-2736(01)00427-8