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Related Experiment Videos

Changes in cellular dry mass during macrophage development.

R J Sokol1, J Wales, G Hudson

  • 1Department of Haematology, University of Sheffield, UK.

Acta Anatomica
|January 1, 1991
PubMed
Summary
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Human macrophages significantly increase dry mass during development in culture. This suggests a disproportionate rise in water content, offering potential for clinical monitoring of mononuclear phagocytes.

Area of Science:

  • Cell Biology
  • Biophysics

Background:

  • Macrophages are crucial immune cells involved in various physiological and pathological processes.
  • Understanding cellular changes during macrophage development is essential for comprehending their function.

Purpose of the Study:

  • To quantify the dry mass changes in human macrophages during in vitro development.
  • To investigate the relationship between dry mass and water content during macrophage differentiation.

Main Methods:

  • Utilized a scanning and integrating microinterferometer to measure dry mass of human monocytes and macrophages in suspension culture.
  • Cultured monocytes from healthy individuals for up to 6 days.

Main Results:

  • The mean dry mass of day 0 monocytes was 53.6 pg.

Related Experiment Videos

  • A significant increase in cellular dry mass was observed over 6 days of culture, reaching 110.4 pg.
  • Inferred a disproportionate increase in water content relative to dry mass during macrophage development.

    • Conclusions:

    • Cellular dry mass increases substantially during human macrophage development in culture.
    • The observed changes suggest an increased water content, impacting cell volume and function.
    • The microinterferometry technique shows promise for studying mononuclear phagocytes in clinical contexts.