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Primary Mouse Choroidal Endothelial Cell Culture.

Qiuhua Yang1, Yongfeng Cai2, Qian Ma2

  • 1Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA, USA.

Bio-Protocol
|July 7, 2025
PubMed
Summary

This study introduces a simple, reproducible protocol for isolating pure mouse choroidal endothelial cells (mCECs). This method aids research into vision-threatening vascular diseases by providing accessible cell cultures.

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Area of Science:

  • Ophthalmology
  • Cell Biology
  • Vascular Biology

Background:

  • Choroidal endothelial cells are crucial for understanding vision disorders like choroidal neovascularization.
  • Existing methods for isolating these cells are often complex, yielding impure cultures and limiting research accessibility.

Purpose of the Study:

  • To develop a straightforward, reproducible protocol for isolating and culturing primary mouse choroidal endothelial cells (mCECs).
  • To provide a reliable method for obtaining pure mCEC cultures for studying vascular diseases.

Main Methods:

  • Enzymatic digestion of choroidal tissue followed by filtration for single-cell suspension.
  • Magnetic-activated cell sorting (MACS) to enrich for CD31+ endothelial cells.
  • Optimized culture conditions to maintain mCEC proliferation and phenotype, including induction of endothelial-to-mesenchymal transition (EndMT).
Keywords:
CD31+ cell enrichmentEndothelial-to-mesenchymal transition (EndMT)Matrigel explant cultureMouse choroidal endothelial cellsRPE/choroid complex

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Main Results:

  • A high-yield, high-purity protocol for isolating mCECs was established.
  • The method confirmed endothelial cell identity for downstream applications.
  • The protocol supports experimental induction of EndMT, facilitating studies on vascular remodeling.

Conclusions:

  • This accessible protocol simplifies the isolation of pure mCECs, requiring minimal specialized equipment.
  • It enables robust research into choroidal vascular diseases and cell-specific responses.
  • Facilitates studies on endothelial-to-mesenchymal transition and vascular remodeling processes.