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  • Title: Microspectrophotometric studies of Romanowsky stained blood cells. IV. Maturation of myeloid and erythroid cell lines in bone marrow.
    Author: Flanders A, Galbraith W, Marshall PN.
    Journal: Stain Technol; 1984 Mar; 59(2):91-103. PubMed ID: 6207636.
    Abstract:
    A quantitative characterization has been made of azure B/eosin stained cells from bone marrow. Two cell lines were followed: the myeloid line (white cell blast, promyelocyte, neutrophilic myelocyte, neutrophilic metamyelocyte, neutrophilic band, neutrophilic segmented) and the erythroid line (rubriblast, prorubricyte, rubricyte, metarubricyte, diffusely basophilic erythrocyte, erythrocyte). A consensus scheme was used to obtain the "true" classification of the cells. Cell types were characterized by three methods: absorbance spectra, dye binding, and chromaticities. Within both cell lines nuclear maturation is accompanied by an overall increase in peak absorbance with little shift in the position of the maximum. Generally, binding of azure B and eosin increases; azure B dimer/monomer ratios show a slight downward trend during maturation. Changes in chromaticities are to bluish purples of increasing saturation. Cytoplasmic changes accompanying maturation are much more striking than nuclear changes, and again the two cell lines show similarities. Generally, there is decreased binding of azure B during maturation. In the erythroid line, the Soret band of hemoglobin becomes increasingly prominent. Chromaticities change from bluish purples to purplish pinks, particularly in the erythroid line.
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