Related Experiment Videos
A simple method for isolation and characterization of mouse brain microvascular endothelial cells
Zhenhua Wu1, Florence M Hofman, Berislav V Zlokovic
1Frank P. Smith Laboratories for Neurosurgery, Department of Neurosurgery and Division for Neurovascular Biology, Center for Aging and Developmental Biology, University of Rochester Medical Center, 601 Elmwood Avenue, Box 645, Rochester, NY 14642, USA.
Journal of Neuroscience Methods
|October 30, 2003
Summary
Researchers developed a method to isolate pure, active brain endothelial cells from mouse brains. These cells are crucial for understanding brain disorders and developing new therapies.
Area of Science:
- Neuroscience
- Cell Biology
- Vascular Biology
Background:
- Brain endothelial cells form the blood-brain barrier, regulating brain homeostasis and disease processes.
- Understanding these cells is vital for studying neurological disorders.
Purpose of the Study:
- To establish a simple, reproducible method for isolating pure, functionally active mouse brain endothelial cells (MBEC).
- To provide a tool for investigating altered vascular biology in genetically modified mouse models of brain disorders.
Main Methods:
- Isolation of pure (>99%) endothelial cells from adult mouse brain tissue.
- Characterization of MBEC using phenotypic markers (von Willebrand factor, MDR1, GLUT1), LDL uptake, and ultrastructural analysis.
- Assessment of in vitro angiogenesis and response to TNF-alpha (VCAM-1, ICAM-1 expression).
Main Results:
- Isolated MBEC exhibited typical markers and functions of differentiated brain endothelium.
- Cells formed tight junctions and capillary-like tubes in vitro.
- MBEC expressed adhesion molecules (VCAM-1, ICAM-1) upon TNF-alpha stimulation.
Conclusions:
- The described protocol yields pure, functional MBEC suitable for research.
- This method offers a valuable tool for studying brain endothelial cell biology in disease models.
- Facilitates research into the role of vascular changes in neurological conditions.