Comparison of Immortalized bEnd5 and Primary Mouse Brain Microvascular Endothelial Cells as in vitro Blood–Brain Barrier Models for the Study of T Cell Extravasation
Open accessAbstract
Important insights into the molecular mechanism of T cell extravasation across the blood–brain barrier (BBB) have already been obtained using immortalized mouse brain endothelioma cell lines (bEnd). However, compared with bEnd, primary brain endothelial cells have been shown to establish better barrier characteristics, including complex tight junctions and low permeability. In this study, we asked whether bEnd5 and primary mouse brain microvascular endothelial cells (pMBMECs) were equally suited as in vitro models with which to study the cellular and molecular mechanisms of T cell extravasation across the BBB. We found that both in vitro BBB models equally supported both T cell adhesion under static and physiologic flow conditions, and T cell crawling on the endothelial surface against the direction of flow. In contrast, distances of T cell crawling on pMBMECs were strikingly longer than on bEnd5, whereas diapedesis of T cells across pMBMECs was dramatically reduced compared with bEnd5. Thus, both in vitro BBB models are suited to study T cell adhesion. However, because pMBMECs better reflect endothelial BBB specialization in vivo, we propose that more reliable information about the cellular and molecular mechanisms of T cell diapedesis across the BBB can be attained using pMBMECs.
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Prolonged T cell crawling before diapedesis is thought to depend on the properties of CNS vascular endothelial cells because the process is more rapid with peripheral endothelial cells.
“Prolonged T cell crawling before diapedesis is thought to depend on the properties of CNS vascular endothelial cells because the process is more rapid with peripheral endothelial cells (117).”
From The anatomy and immunology of vasculature in the central nervous system (2019) · cites this paper as [117]
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- Authors
- Steiner, O., Coisne, C., Engelhardt, B., & Lyck, R.
- Affiliations
- University of Bern (CH)
- Corresponding author
- Engelhardt, Britta
- Lyck, Ruth
- Venue
- Journal of Cerebral Blood Flow & Metabolism
- Publisher
- SAGE Publications
- Published
- 2010-07-07
- Volume
- 31
- Issue
- 1
- Pages
- 315-327
- ISSN
- 0271-678X (ISSN-L)
- 1559-7016
- PMC
- PMC3049495
- OpenAlex
- W2012912989
- Cited by
- 94
- References
- 43
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 4 · 2023: 4 · 2022: 5 · 2021: 7 · 2020: 8 · 2019: 4 · 2018: 10 · 2017: 5 · 2016: 11 · 2015: 6 · 2014: 7 · 2013: 7 · 2012: 5
- FWCI
- 3.66
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of Cerebral Blood Flow & Metabolism (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Fondation pour l'Aide à la Recherche sur la Sclérose en Plaques
- Novartis Foundation
- Multiple Sclerosis Society
- Schweizerische Multiple Sklerose Gesellschaft
- Topics
- Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
- Health Sciences › Medicine › Immunology and Allergy › Cell Adhesion Molecules Research
- Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
- Keywords
- blood-brain barrier, T cell extravasation, brain microvascular endothelial cells, primary endothelial cells, T cell adhesion, transendothelial migration, in vitro BBB model, endothelial barrier function, tight junctions, flow conditions
- MeSH terms
- Actins, Animals, Blood-Brain Barrier, Capillaries, Cell Adhesion, Cell Cycle, Cell Line, Cell Membrane Permeability, Endothelium, Vascular, Female, Fluorescent Antibody Technique, Intercellular Junctions, Male, Mice, Inbred C57BL, T-Lymphocytes, Tight Junctions, Endothelial Cells, Mice, Transendothelial and Transepithelial Migration
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