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Fluorescence Microscopy for ATP Internalization Mediated by Macropinocytosis in Human Tumor Cells and Tumor-xenografted Mice
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JoVE 신문 암 연구학
Fluorescence Microscopy for ATP Internalization Mediated by Macropinocytosis in Human Tumor Cells and Tumor-xenografted Mice
DOI:

08:31 min

June 30, 2021

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Chapters

  • 00:05Introduction
  • 01:05Tumor Cell Culture and Xenograft Tumor Development
  • 02:41HMWFD and NHF-ATP Solution Preparation
  • 03:21ATP Internalization in Tumor Xenograft
  • 03:53Cryo-embedding
  • 04:45Tissue Slide Fixation
  • 05:25Fluorescence Microscopy and Image Acquisition
  • 07:12Results: Assessment of Nonhydrolyzable Fluorescent ATP Internalization
  • 07:44Conclusion

Summary

자동 번역

We developed a reproducible method to visualize the internalization of nonhydrolyzable fluorescent adenosine triphosphate (ATP), an ATP surrogate, with high cellular resolution. We validated our method using independent in vitro and in vivo assays-human tumor cell lines and immunodeficient mice xenografted with human tumor tissue.

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