Induction of the S100 chemotactic protein, CP-10, in murine microvascular endothelial cells by proinflammatory stimuli

Tina Yen, Craig A. Harrison, Jannine M. Devery, Sharon Leong, Siiri E. Iismaa, Teizo Yoshimura, Carolyn L. Geczy

Research output: Contribution to journalArticle

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Abstract

Microvascular endothelial cells (EC) have multiple functions in inflammatory responses, including the production of chemoattractants that enhance leukocyte transmigration into tissues. Chemotactic protein, 10 kD (CP-10), is an S100 protein with potent chemotactic activity for myeloid cells in vitro and in vivo and is expressed in neutrophils and lipopolysaccharide (LPS)-activated macrophages. We show here that CP-10 is induced in murine endothelioma cell lines (bEnd-3, send-1, and tEnd-1) after activation with LPS and interleukin-1 (IL-1) but not tumor necrosis factor α (TNFα) or interferon γ (IFNγ). Induction was not mediated by endogenous release of IL-1 or TNFα and was not directly upregulated by phorbol myristate acetate, calcium ionophore, or vitamin D3. EC were exquisitely sensitive to IL-1 activation (3.4 U/mL) and CP-10 mRNA induction with IL-1 occurred earlier 18 hours) than with LPS (12 hours). Furthermore, some microvessels and capillaries in delayed-type hypersensitivity lesions expressed cytoplasmic CP-10. Responses to LPS and not IL-1 in vitro were regulated by the degree of cell confluence and by TNFα costimulation. The related MRP-14 mRNA had a different induction pattern. Monomeric and homodimeric CP-10 upregulated by activation was predominantly cell- associated. EC-derived CP-10 may contribute to amplification of inflammatory processes by enhancing leukocyte shape changes and transmigration in the microcirculation.

Original languageEnglish
Pages (from-to)4812-4821
Number of pages10
JournalBlood
Volume90
Issue number12
Publication statusPublished - Dec 15 1997
Externally publishedYes

Fingerprint

S100 Proteins
Endothelial cells
Interleukin-1
Endothelial Cells
Lipopolysaccharides
Proteins
Tumor Necrosis Factor-alpha
Chemical activation
Leukocytes
Microcirculation
Messenger RNA
Calcium Ionophores
Macrophages
Cholecalciferol
Chemotactic Factors
Delayed Hypersensitivity
Tetradecanoylphorbol Acetate
Myeloid Cells
Microvessels
Interferons

ASJC Scopus subject areas

  • Hematology

Cite this

Yen, T., Harrison, C. A., Devery, J. M., Leong, S., Iismaa, S. E., Yoshimura, T., & Geczy, C. L. (1997). Induction of the S100 chemotactic protein, CP-10, in murine microvascular endothelial cells by proinflammatory stimuli. Blood, 90(12), 4812-4821.

Induction of the S100 chemotactic protein, CP-10, in murine microvascular endothelial cells by proinflammatory stimuli. / Yen, Tina; Harrison, Craig A.; Devery, Jannine M.; Leong, Sharon; Iismaa, Siiri E.; Yoshimura, Teizo; Geczy, Carolyn L.

In: Blood, Vol. 90, No. 12, 15.12.1997, p. 4812-4821.

Research output: Contribution to journalArticle

Yen, T, Harrison, CA, Devery, JM, Leong, S, Iismaa, SE, Yoshimura, T & Geczy, CL 1997, 'Induction of the S100 chemotactic protein, CP-10, in murine microvascular endothelial cells by proinflammatory stimuli', Blood, vol. 90, no. 12, pp. 4812-4821.
Yen, Tina ; Harrison, Craig A. ; Devery, Jannine M. ; Leong, Sharon ; Iismaa, Siiri E. ; Yoshimura, Teizo ; Geczy, Carolyn L. / Induction of the S100 chemotactic protein, CP-10, in murine microvascular endothelial cells by proinflammatory stimuli. In: Blood. 1997 ; Vol. 90, No. 12. pp. 4812-4821.
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