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Isolation and Primary Culture of Mouse Aortic Endothelial Cells
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Development of immortalized mouse aortic endothelial cell lines.

Chih-Wen Ni, Sandeep Kumar, Casey J Ankeny

  • 1Wallace H, Coulter Department of Biomedical Engineering Georgia Institute of Technology and Emory University, 1760 Haygood Drive, Health Science Research Building, E-170, Atlanta, GA 30322, USA. hanjoong.jo@bme.gatech.edu.

Vascular Cell
|April 3, 2014
PubMed
Summary

Researchers developed a new method to create immortalized mouse aortic endothelial cells (iMAECs) that retain their properties. This advance provides a reliable tool for studying vascular biology and disease.

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Area of Science:

  • Vascular Biology
  • Endothelial Cell Biology
  • Cell Culture

Background:

  • Primary mouse aortic endothelial cells (MAECs) are crucial for research but difficult to culture due to phenotypic drift.
  • Existing methods for culturing MAECs present challenges in maintaining cell properties.
  • A dependable in vitro system for MAECs is needed to preserve their phenotypes.

Purpose of the Study:

  • To develop an effective method for preparing immortalized MAEC (iMAEC) lines.
  • To establish a stable cell culture system for MAECs.
  • To facilitate research in vascular biology and pathophysiology.

Main Methods:

  • Primary MAECs were isolated from aortic explants.
  • Retroviral expression of polyoma middle T-antigen was used for immortalization.
  • DiI-acetylated-low density lipoprotein incubation and flow cytometry sorting were employed to isolate iMAECs.

Main Results:

  • Generated immortalized MAEC (iMAEC) lines express key endothelial markers (PECAM1, eNOS, VE-cadherin, von Willebrand Factor).
  • iMAECs demonstrated characteristic endothelial functions, including alignment under laminar shear and tube formation.
  • iMAEC lines were successfully derived from wild-type and genetically modified mouse models.

Conclusions:

  • The generation of iMAEC lines offers a valuable tool for studying vascular biology.
  • This method provides a stable in vitro model for investigating vascular pathophysiology.
  • The availability of iMAECs from various mouse models aids in studying genetic influences on vascular function.