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Isolation of Primary Mouse Lung Endothelial Cells
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Isolation of Primary Mouse Lung Endothelial Cells

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A simple protocol for isolating mouse lung endothelial cells.

Jinping Wang1,2, Niu Niu1, Suowen Xu1

  • 1Department of Medicine, Aab Cardiovascular Research Institute, University of Rochester, Rochester, NY, 14623, USA.

Scientific Reports
|February 8, 2019
PubMed
Summary
This summary is machine-generated.

This study presents a simple protocol to isolate pure, functional mouse lung endothelial cells (MLECs). This method is vital for studying endothelial dysfunction in diseases like atherosclerosis and diabetes.

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Area of Science:

  • Vascular Biology
  • Cell Biology
  • Biotechnology

Background:

  • Endothelial dysfunction underlies diseases such as atherosclerosis, diabetes, and hypertension.
  • High-purity endothelial cells (ECs) are essential for studying endothelial function and disease mechanisms.
  • Mouse lung ECs (MLECs) are critical models for pulmonary inflammation, angiogenesis, and leukocyte-EC interactions.

Purpose of the Study:

  • To develop a simple, reproducible protocol for isolating and culturing high-purity MLECs.
  • To authenticate the isolated MLECs using established endothelial markers and functional assays.
  • To demonstrate the protocol's applicability using genetically modified mice.

Main Methods:

  • Isolation of MLECs via collagenase I digestion of adult mouse lungs.
  • Sequential cell sorting using PECAM1 (CD31) and ICAM2 (CD102) microbeads.
  • Authentication through immunoblotting, immunofluorescence, DiI-oxLDL uptake, and monocyte adhesion assays.

Main Results:

  • Successfully isolated and cultured morphologically intact MLECs.
  • Authenticated MLECs expressed key EC markers (CD31, VE-cadherin, vWF).
  • Cultured MLECs exhibited functional characteristics, including LDL uptake and monocyte adhesion.

Conclusions:

  • A simple, reproducible protocol for isolating highly pure, functional MLECs from mouse lungs is established.
  • This method facilitates downstream studies using ECs from genetically engineered mouse models.
  • The protocol is crucial for advancing research in vascular biology and endothelial dysfunction-related diseases.