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Related Experiment Video

Updated: Jul 8, 2025

Author Spotlight: Integrating Organoid Models with Single-Cell and Spatial Transcriptomics Technologies
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Author Spotlight: Integrating Organoid Models with Single-Cell and Spatial Transcriptomics Technologies

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Profiling human brain vascular cells using single-cell transcriptomics and organoids.

Elizabeth E Crouch1,2,3, Loukas N Diafos4,5, Edward J Valenzuela4,5

  • 1Department of Pediatrics, University of California San Francisco, San Francisco, CA, USA. elizabeth.crouch@ucsf.edu.

Nature Protocols
|December 15, 2023
PubMed

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Summary
This summary is machine-generated.

Researchers developed a new method to isolate and purify prenatal human brain vascular cells. This technique enables detailed study of brain development and neurovascular interactions using techniques like transcriptomics and organoid transplantation.

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Vascular Biology

Background:

  • Angiogenesis and neurogenesis are crucial for brain development but studying the vasculature is challenging due to cell delicacy and low abundance.
  • Existing methods limit the comprehensive analysis of brain vascular cells.

Purpose of the Study:

  • To develop and validate a protocol for purifying prenatal human brain endothelial and mural cells.
  • To enable downstream applications such as transcriptomics, cell culture, and organoid transplantation.

Main Methods:

  • Flow cytometry (FACS) was used to purify prenatal human brain endothelial and mural cells.
  • The protocol was optimized for a 24-hour postmortem interval to ensure cell health and data quality.
  • Purified cells were utilized in single-cell transcriptomics, in vitro culture assays, and transplantation into cortical organoids.

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Main Results:

  • The FACS-based protocol provides high yields of pure vascular cells from small tissue samples.
  • Purified cells maintain cell-type marker expression for over 3 weeks in culture.
  • Transplantation into cortical organoids successfully recapitulates prenatal human brain neurovascular interactions.

Conclusions:

  • This vasculo-centric approach offers an efficient and integrated platform for studying neurovascular interactions and human brain vascular development.
  • The protocol facilitates high-quality data generation for transcriptomics and other molecular analyses.
  • The method supports advanced in vitro and in vivo modeling of brain vascular development.