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In Vivo Three-Dimensional Two-Photon Microscopy to Study Conducted Vascular Responses by Local ATP Ejection Using a Glass Micro-Pipette
JoVE Journal
Neuroscience
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JoVE Journal Neuroscience
In Vivo Three-Dimensional Two-Photon Microscopy to Study Conducted Vascular Responses by Local ATP Ejection Using a Glass Micro-Pipette
DOI:

10:54 min

June 07, 2019

, , , , , ,

Chapters

  • 00:04Title
  • 00:57Surgical Procedure: Tracheotomy
  • 01:55Surgical Procedure: Catheter Insertion
  • 02:59Surgical Procedure: Craniotomy
  • 05:29Two-photon Imaging
  • 06:32Insertion of the Glass Micro-pipette
  • 09:11Results: ATP Puffing by Micro-pipette Induces Vessel Dilation, followed by Constriction
  • 10:30Conclusion

Summary

Automatic Translation

We present an optimized local ejection procedure using a glass micro-pipette and a fast two-photon hyperstack imaging method, which allows precise measurement of capillary diameter changes and investigation of its regulation in three dimensions.

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