Regulation of vascular cell adhesion molecule 1 on human dermal microvascular endothelial cells

R. A. Swerlick, K. H. Lee, L. J. Li, N. T. Sepp, S. W. Caughman, T. J. Lawley

Research output: Contribution to journalArticle

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Abstract

Vascular endothelial cell adhesion molecule 1 (VCAM-1) is an adherence molecule that is induced on endothelial cells by cytokine stimulation and can mediate binding of lymphocytes or tumor cells to endothelium. Because these interactions often occur at the level of the microvasculature, we have examined the regulation of expression of VCAM-1 in human dermal microvascular endothelial cells (HDMEC) and compared it to the regulation of VCAM-1 in large vessel human umbilical vein endothelial cells (HUVEC). Both cell populations were judged pure as assessed by expression of von Willebrand factor and uptake of acetylated low density lipoprotein. Expression of VCAM-1 was not detectable on either unstimulated HDMEC or HUVEC when assessed by ELISA or flow cytometry. Stimulation of either HDMEC or HUVEC with TNF-α resulted in a time- and dose-dependent induction of VCAM-1. However, although TNF-α-induced cell surface and mRNA expression of VCAM-1 in HDMEC was transient, peaking after 16 h of stimulation, TNF stimulation led to persistently elevated cell surface expression of VCAM-1 on HUVEC. IL-1α also induced cell surface expression of VCAM-1 on HUVEC in a time- and dose- dependent manner, but stimulation of HDMEC with IL-1α at doses up to 1000 U/ml failed to induce significant cell surface expression. However, IL-1α induced time- and dose-dependent increases in ICAM-1 on HDMEC. Similarly, IL- 4 induced VCAM-1 expression and augmented TNF-α-induced expression on HUVEC but did not affect VCAM-1 expression on HDMEC. Binding of Ramos cells to cytokine-stimulated endothelial cell monolayers correlated with VCAM-1 induction. Increased binding was seen after stimulation of HDMEC with TNF-α, which was blocked by anti-VCAM-1 mAb, but no increases in binding were noted after stimulation of HDMEC monolayers with IL-1α. These data provide additional evidence for the existence of endothelial cell heterogeneity and differences in cell adhesion molecule regulation on endothelial cells derived from different vascular beds.

Original languageEnglish
Pages (from-to)698-705
Number of pages8
JournalJournal of Immunology
Volume149
Issue number2
Publication statusPublished - 1992 Jan 1

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Vascular Cell Adhesion Molecule-1
Endothelial Cells
Skin
Human Umbilical Vein Endothelial Cells
Interleukin-1

All Science Journal Classification (ASJC) codes

  • Immunology

Cite this

Swerlick, R. A., Lee, K. H., Li, L. J., Sepp, N. T., Caughman, S. W., & Lawley, T. J. (1992). Regulation of vascular cell adhesion molecule 1 on human dermal microvascular endothelial cells. Journal of Immunology, 149(2), 698-705.
Swerlick, R. A. ; Lee, K. H. ; Li, L. J. ; Sepp, N. T. ; Caughman, S. W. ; Lawley, T. J. / Regulation of vascular cell adhesion molecule 1 on human dermal microvascular endothelial cells. In: Journal of Immunology. 1992 ; Vol. 149, No. 2. pp. 698-705.
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abstract = "Vascular endothelial cell adhesion molecule 1 (VCAM-1) is an adherence molecule that is induced on endothelial cells by cytokine stimulation and can mediate binding of lymphocytes or tumor cells to endothelium. Because these interactions often occur at the level of the microvasculature, we have examined the regulation of expression of VCAM-1 in human dermal microvascular endothelial cells (HDMEC) and compared it to the regulation of VCAM-1 in large vessel human umbilical vein endothelial cells (HUVEC). Both cell populations were judged pure as assessed by expression of von Willebrand factor and uptake of acetylated low density lipoprotein. Expression of VCAM-1 was not detectable on either unstimulated HDMEC or HUVEC when assessed by ELISA or flow cytometry. Stimulation of either HDMEC or HUVEC with TNF-α resulted in a time- and dose-dependent induction of VCAM-1. However, although TNF-α-induced cell surface and mRNA expression of VCAM-1 in HDMEC was transient, peaking after 16 h of stimulation, TNF stimulation led to persistently elevated cell surface expression of VCAM-1 on HUVEC. IL-1α also induced cell surface expression of VCAM-1 on HUVEC in a time- and dose- dependent manner, but stimulation of HDMEC with IL-1α at doses up to 1000 U/ml failed to induce significant cell surface expression. However, IL-1α induced time- and dose-dependent increases in ICAM-1 on HDMEC. Similarly, IL- 4 induced VCAM-1 expression and augmented TNF-α-induced expression on HUVEC but did not affect VCAM-1 expression on HDMEC. Binding of Ramos cells to cytokine-stimulated endothelial cell monolayers correlated with VCAM-1 induction. Increased binding was seen after stimulation of HDMEC with TNF-α, which was blocked by anti-VCAM-1 mAb, but no increases in binding were noted after stimulation of HDMEC monolayers with IL-1α. These data provide additional evidence for the existence of endothelial cell heterogeneity and differences in cell adhesion molecule regulation on endothelial cells derived from different vascular beds.",
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Swerlick, RA, Lee, KH, Li, LJ, Sepp, NT, Caughman, SW & Lawley, TJ 1992, 'Regulation of vascular cell adhesion molecule 1 on human dermal microvascular endothelial cells', Journal of Immunology, vol. 149, no. 2, pp. 698-705.

Regulation of vascular cell adhesion molecule 1 on human dermal microvascular endothelial cells. / Swerlick, R. A.; Lee, K. H.; Li, L. J.; Sepp, N. T.; Caughman, S. W.; Lawley, T. J.

In: Journal of Immunology, Vol. 149, No. 2, 01.01.1992, p. 698-705.

Research output: Contribution to journalArticle

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N2 - Vascular endothelial cell adhesion molecule 1 (VCAM-1) is an adherence molecule that is induced on endothelial cells by cytokine stimulation and can mediate binding of lymphocytes or tumor cells to endothelium. Because these interactions often occur at the level of the microvasculature, we have examined the regulation of expression of VCAM-1 in human dermal microvascular endothelial cells (HDMEC) and compared it to the regulation of VCAM-1 in large vessel human umbilical vein endothelial cells (HUVEC). Both cell populations were judged pure as assessed by expression of von Willebrand factor and uptake of acetylated low density lipoprotein. Expression of VCAM-1 was not detectable on either unstimulated HDMEC or HUVEC when assessed by ELISA or flow cytometry. Stimulation of either HDMEC or HUVEC with TNF-α resulted in a time- and dose-dependent induction of VCAM-1. However, although TNF-α-induced cell surface and mRNA expression of VCAM-1 in HDMEC was transient, peaking after 16 h of stimulation, TNF stimulation led to persistently elevated cell surface expression of VCAM-1 on HUVEC. IL-1α also induced cell surface expression of VCAM-1 on HUVEC in a time- and dose- dependent manner, but stimulation of HDMEC with IL-1α at doses up to 1000 U/ml failed to induce significant cell surface expression. However, IL-1α induced time- and dose-dependent increases in ICAM-1 on HDMEC. Similarly, IL- 4 induced VCAM-1 expression and augmented TNF-α-induced expression on HUVEC but did not affect VCAM-1 expression on HDMEC. Binding of Ramos cells to cytokine-stimulated endothelial cell monolayers correlated with VCAM-1 induction. Increased binding was seen after stimulation of HDMEC with TNF-α, which was blocked by anti-VCAM-1 mAb, but no increases in binding were noted after stimulation of HDMEC monolayers with IL-1α. These data provide additional evidence for the existence of endothelial cell heterogeneity and differences in cell adhesion molecule regulation on endothelial cells derived from different vascular beds.

AB - Vascular endothelial cell adhesion molecule 1 (VCAM-1) is an adherence molecule that is induced on endothelial cells by cytokine stimulation and can mediate binding of lymphocytes or tumor cells to endothelium. Because these interactions often occur at the level of the microvasculature, we have examined the regulation of expression of VCAM-1 in human dermal microvascular endothelial cells (HDMEC) and compared it to the regulation of VCAM-1 in large vessel human umbilical vein endothelial cells (HUVEC). Both cell populations were judged pure as assessed by expression of von Willebrand factor and uptake of acetylated low density lipoprotein. Expression of VCAM-1 was not detectable on either unstimulated HDMEC or HUVEC when assessed by ELISA or flow cytometry. Stimulation of either HDMEC or HUVEC with TNF-α resulted in a time- and dose-dependent induction of VCAM-1. However, although TNF-α-induced cell surface and mRNA expression of VCAM-1 in HDMEC was transient, peaking after 16 h of stimulation, TNF stimulation led to persistently elevated cell surface expression of VCAM-1 on HUVEC. IL-1α also induced cell surface expression of VCAM-1 on HUVEC in a time- and dose- dependent manner, but stimulation of HDMEC with IL-1α at doses up to 1000 U/ml failed to induce significant cell surface expression. However, IL-1α induced time- and dose-dependent increases in ICAM-1 on HDMEC. Similarly, IL- 4 induced VCAM-1 expression and augmented TNF-α-induced expression on HUVEC but did not affect VCAM-1 expression on HDMEC. Binding of Ramos cells to cytokine-stimulated endothelial cell monolayers correlated with VCAM-1 induction. Increased binding was seen after stimulation of HDMEC with TNF-α, which was blocked by anti-VCAM-1 mAb, but no increases in binding were noted after stimulation of HDMEC monolayers with IL-1α. These data provide additional evidence for the existence of endothelial cell heterogeneity and differences in cell adhesion molecule regulation on endothelial cells derived from different vascular beds.

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Swerlick RA, Lee KH, Li LJ, Sepp NT, Caughman SW, Lawley TJ. Regulation of vascular cell adhesion molecule 1 on human dermal microvascular endothelial cells. Journal of Immunology. 1992 Jan 1;149(2):698-705.