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    Blood. 1992 Dec 1;80(11):2903-10.

    Eosinophil peroxidase deficiency: morphological and immunocytochemical studies of the eosinophil-specific granules.

    Source

    Istituto di Patologia Generale, Università di Trieste, Italy.

    Abstract

    Five eosinophil peroxidase (EPO)-deficient subjects were identified from 131,000 peripheral blood samples examined for routine automated analysis. The EPO-deficient eosinophils of these subjects met the main criteria established for EPO deficiency: absent or strongly decreased reaction for peroxidase, absent or strongly decreased staining with Sudan Black, and an increased ratio of the granule core volume to the total granule volume. In this report we show that this granule alteration is caused mainly by a decrease of its volume, particularly of the matrix, and that two other matrix proteins, eosinophil cationic protein and eosinophil derived neurotoxin, appear to be present in normal amounts in the EPO-deficient granules.

    PMID:
    1450416
    [PubMed - indexed for MEDLINE]
    Free full text

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