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Related Experiment Videos

Basophil counting with a new staining method using alcian blue.

H S Gilbert, L Ornstein

    Blood
    |August 1, 1975
    PubMed
    Summary
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    A novel alcian blue staining method enhances the accurate and reproducible counting of circulating basophils. This improved technique aids in better understanding basophil levels in health and disease.

    Area of Science:

    • Hematology
    • Cell Biology
    • Analytical Chemistry

    Background:

    • Accurate enumeration of circulating basophils is challenging with current methods.
    • Basophils are an infrequent cell population, hindering research.
    • Existing techniques lack reproducibility and precision.

    Purpose of the Study:

    • To introduce a new, reliable staining method for basophil enumeration.
    • To improve the accuracy and reproducibility of basophil counting.
    • To facilitate further investigation of basophil roles in health and disease.

    Main Methods:

    • Utilized alcian blue dye for staining heparin within basophils at low pH with lanthanum ions.
    • Reduced nonspecific nuclear staining by exploiting differential complex stability.

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  • Employed reduced pH post-staining to solubilize leukocyte proteins, enhancing cell contrast.
  • Validated the method using chamber and automated counting, comparing it to toluidine blue staining in a triple-blind study.

    • Main Results:

    • The alcian blue method demonstrated superior reproducibility compared to toluidine blue.
    • Alcian blue staining proved more accurate, showing higher correlation with indirect basophil counts.
    • Both chamber and automated alcian blue methods yielded improved results.

    Conclusions:

    • The new alcian blue staining method offers enhanced accuracy, reproducibility, and convenience for basophil enumeration.
    • This technique is suitable for both manual and automated counting systems.
    • The improved method will support more meaningful research into circulating basophil levels.