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Related Experiment Videos

Blood cell activation: new perspectives from ultrastructural morphometry

G Bianciardi1, P Tanganelli, G Weber

  • 1Istituto di Anatomia ed Istologia Patologica, Università di Siena, Italy.

Seminars in Thrombosis and Hemostasis
|January 1, 1993
PubMed
Summary
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Computerized image analysis precisely monitors cellular changes during activation. This study reveals distinct morphometric differences in activated blood cells, identifying key ultrastructural markers of cell activation.

Area of Science:

  • Cellular biology
  • Biomedical imaging
  • Hematology

Background:

  • Cellular activation involves structural modifications.
  • Electron microscopy is crucial for ultrastructural analysis.
  • Computerized image analysis offers advanced monitoring capabilities.

Purpose of the Study:

  • To present morphometric data on activated blood cells (platelets, monocytes, PMN cells).
  • To investigate cellular changes under in vitro activation and in vivo atherosclerosis.
  • To identify ultrastructural markers of blood cell activation using computerized morphometry.

Main Methods:

  • In vitro activation of blood cells.
  • In vivo study of atherosclerosis.
  • Electron microscopy for ultrastructural imaging.

Related Experiment Videos

  • Computerized morphometry for quantitative analysis (area, perimeter, nucleus-cytoplasm ratio, surface density).

    • Main Results:

    • Significant morphometric differences were observed in activated platelets, monocytes, and PMN cells compared to controls.
    • Specific parameters like area and perimeter form factors, nucleus to cytoplasm ratio, and platelet membrane openings showed significant changes.
    • Ultrastructural markers indicative of blood cell activation were successfully identified.

    Conclusions:

    • Computerized morphometry applied to ultrastructural images effectively reveals blood cell activation markers.
    • The study provides quantitative data on cellular structural modifications during activation processes.
    • These findings enhance the understanding of cellular responses in conditions like atherosclerosis.