A novel technique for culture of human dermal microvascular endothelial cells under either serum-free or serum-supplemented conditions: Isolation by panning and stimulation with vascular endothelial growth factor

Kalpna Gupta, Sundaram Ramakrishnan, Paul V. Browne, Anna Solovey, Robert P. Hebbel

Research output: Contribution to journalArticle

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Abstract

Several physiological and pathophysiological events involving vascular endothelium occur at the microvascular level. Studies on human microvasculature require homogenous primary cultures of microvascular endothelial cells. However, procedures available for isolating and culturing human dermal microvascular cells (HDMEC) result in significant contamination with fibroblasts. To eliminate contamination with fibroblasts or other cells, we developed a procedure to isolate HDMEC from neonatal human foreskin by panning the cells using EN4, an anti-endothelial cell monoclonal antibody. Panned cells uniformly expressed von Willebrand factor and CD36, confirming their microvascular endothelial characteristics, whereas cells cultured without panning showed a significant degree of contamination with fibroblasts. In the presence of vascular endothelial growth factor (VEGF), HDMEC could be cultured under serum-free conditions. VEGF stimulated the growth of HDMEC in a dose-dependent manner in serum-free medium or in media supplemented with either human serum or newborn calf serum. Since differences exist between large vessel endothelial cells and microvascular endothelial cells, we compared the response to VEGF stimulation of HDMEC with human umbilical vein endothelial cells (HUVEC). The dose response of the two cell types to VEGF was different. This effect of VEGF on endothelial cells may be mediated by the VEGF receptor kdr, since mRNA for kdr was detected using RT- PCR in both HDMEC and HUVEC. The procedure described in this study will make possible the culture of highly enriched HDMEC without contamination with fibroblasts and facilitate studies with these cells under defined assay conditions in a serum-free environment.

Original languageEnglish (US)
Pages (from-to)244-251
Number of pages8
JournalExperimental Cell Research
Volume230
Issue number2
DOIs
StatePublished - Feb 1 1997
Externally publishedYes

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Culture Techniques
Vascular Endothelial Growth Factor A
Endothelial Cells
Skin
Fibroblasts
Serum
Human Umbilical Vein Endothelial Cells
Foreskin
Vascular Endothelial Growth Factor Receptor
Serum-Free Culture Media
Vascular Endothelium
von Willebrand Factor
Microvessels
Cultured Cells
Monoclonal Antibodies
Polymerase Chain Reaction
Messenger RNA
Growth

ASJC Scopus subject areas

  • Cell Biology

Cite this

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abstract = "Several physiological and pathophysiological events involving vascular endothelium occur at the microvascular level. Studies on human microvasculature require homogenous primary cultures of microvascular endothelial cells. However, procedures available for isolating and culturing human dermal microvascular cells (HDMEC) result in significant contamination with fibroblasts. To eliminate contamination with fibroblasts or other cells, we developed a procedure to isolate HDMEC from neonatal human foreskin by panning the cells using EN4, an anti-endothelial cell monoclonal antibody. Panned cells uniformly expressed von Willebrand factor and CD36, confirming their microvascular endothelial characteristics, whereas cells cultured without panning showed a significant degree of contamination with fibroblasts. In the presence of vascular endothelial growth factor (VEGF), HDMEC could be cultured under serum-free conditions. VEGF stimulated the growth of HDMEC in a dose-dependent manner in serum-free medium or in media supplemented with either human serum or newborn calf serum. Since differences exist between large vessel endothelial cells and microvascular endothelial cells, we compared the response to VEGF stimulation of HDMEC with human umbilical vein endothelial cells (HUVEC). The dose response of the two cell types to VEGF was different. This effect of VEGF on endothelial cells may be mediated by the VEGF receptor kdr, since mRNA for kdr was detected using RT- PCR in both HDMEC and HUVEC. The procedure described in this study will make possible the culture of highly enriched HDMEC without contamination with fibroblasts and facilitate studies with these cells under defined assay conditions in a serum-free environment.",
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AU - Solovey, Anna

AU - Hebbel, Robert P.

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