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Related Experiment Videos

[Method for human peripheral blood eosinophil isolation for patch-clamp study].

Bin Zhou1, Shao-xi Cai, Hai-jin Zhao

  • 1Department of Respiratory Diseases, Nanfang Hospital, Southern Medicine University, Guangzhou 510515, China.

Di 1 Jun Yi Da Xue Xue Bao = Academic Journal of the First Medical College of PLA
|July 20, 2005
PubMed
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A new method efficiently isolates human peripheral blood eosinophils with high purity and viability for patch-clamp studies, enabling investigation of calcium-activated potassium channels.

Area of Science:

  • Hematology
  • Cell Biology
  • Electrophysiology

Context:

  • Human peripheral blood eosinophils are crucial immune cells.
  • Patch-clamp studies require high-purity, viable cells.
  • Understanding ion channel function is vital for cellular physiology.

Purpose:

  • To develop a rapid, economical method for isolating human peripheral blood eosinophils.
  • To ensure high cell viability and purity for patch-clamp analysis.
  • To investigate the electrophysiological properties of Ca(2+)-activated K(+) channels in isolated eosinophils.

Summary:

  • A modified discontinuous Percoll density gradient centrifugation method was employed.
  • Isolated eosinophils achieved >90% purity and >99% viability with ~48% recovery.

Related Experiment Videos

  • Patch-clamp recordings successfully detected Ca(2+)-activated K(+) channel activity.

    • Impact:

    • This method provides a reliable and efficient way to obtain high-quality eosinophils for research.
    • The isolated cells are suitable for detailed electrophysiological investigations.
    • Facilitates further research into eosinophil function and related channelopathies.