Journal
JOURNAL OF IMMUNOLOGICAL METHODS
Volume 244, Issue 1-2, Pages 205-215Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0022-1759(00)00258-1
Keywords
endothelial cells; mouse; isolation; primary cultures
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The isolation and long-term culture of murine endothelial cells (ECs) has often proven a difficult task. In this paper we describe a quick, efficient protocol for the isolation of microvascular endothelial cells from murine tissues. Murine lung or heart are mechanically minced and enzymatically digested with collagenase and trypsin. The single cell suspension obtained is then incubated with an anti-CD31 antibody, anti-CD105 antibody and with biotinylated isolectin B-4. Pure EC populations are finally obtained by magnetic bead separation using rat anti-mouse Ig- and streptavidin-conjugated microbeads. EC cultures are subsequently expanded and characterised. The surface molecule expression by the primary cultures of murine EC obtained from lung and heart tissue is analysed and compared to that of a murine endothelioma and of primary cultures of murine renal tubular epithelial cells. The phenotype and morphology of these cultures remain stable over 10-15 passages in culture, and no overgrowth of contaminating cells of non-endothelial origin is observed at any stage. (C) 2000 Elsevier Science B.V. All rights reserved.
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