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Confocal Microscopy to Measure Three Modes of Fusion Pore Dynamics in Adrenal Chromaffin Cells
Journal JoVE
Neurosciences
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Journal JoVE Neurosciences
Confocal Microscopy to Measure Three Modes of Fusion Pore Dynamics in Adrenal Chromaffin Cells

Confocal Microscopy to Measure Three Modes of Fusion Pore Dynamics in Adrenal Chromaffin Cells

DOI:

12:30 min

March 16, 2022

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Chapitres

  • 00:04Introduction
  • 01:07Bovine Chromaffin Cell Culture
  • 02:52Transfection with Electroporation
  • 04:18Preparation for Patch-Clamp Recording and Confocal Imaging
  • 05:41Patch-Clamp Recording and Confocal Imaging
  • 09:01Confocal Imaging Data Analysis
  • 10:21Results: Whole-Cell Voltage-Clamp Recordings and Visualization of Fusion Events Under Confocal Microscope
  • 11:52Conclusion

Summary

Traduction automatique

This protocol describes a confocal imaging technique to detect three fusion modes in bovine adrenal chromaffin cells. These fusion modes include 1) close-fusion (also called kiss-and-run), involving fusion pore opening and closure, 2) stay-fusion, involving fusion pore opening and maintaining the opened pore, and 3) shrink-fusion, involving fused vesicle shrinkage.

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