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Revista Cubana de Hematología, Inmunología y Hemoterapia
versión impresa ISSN 0864-0289versión On-line ISSN 1561-2996
Resumen
SOCARRAS FERRER, Bertha B et al. Application of the alkaline phosphatase anti-alkaline phosphatase immunocytochemical method for the immunological classification of acute myeloid leukemias. Rev Cubana Hematol Inmunol Hemoter [online]. 2006, vol.22, n.1. ISSN 0864-0289.
The cellular immunophenotyping of 30 patients with the diagnosis of acute myeloid leukemia was conducted by the alkaline phosphatase anti-alkaline phosphatase immunocytochemical method (APAAP) introduced in our laboratory. The markers studied were: CD3, CD13, CD15, CD19, CD33 y CD41. Specimens of bone marrow or peripheral blood fixed in pure acetone and incubated with the respective monoclonal antibody were used for the study. Later on, the anti-mouse immunoglobulin obtained in rabbit (Linking) was added and, finally, the APAAP complex. The incubation periods were of 30 minutes and lavages with buffer solution were carried out between one step and the other. The reading of the slides was performed on the optical microscope and it was considered positive when the number of marked cells was higher than or equal to 20 %. Of the studied patients, 93.3 % and 90 %, respectively, expressed panmyeloid antigens CD13 and CD33; 16 of them expressed the CD15 (53.3 %); 3 the CD19 (10 %); and 2 the CD41 (6.6 %). It was concluded that the APAAP method is rapid and inexpensive and that it may be reliably applied in the immunological classification of the acute myeloid leukemias
Palabras clave : Acute myeloid leukemia; APAAP immunocytochemical method; monoclonal antibodies.