Abstract
Human interferon-inducible protein 10 (IP-10), a member of the alpha chemokine family, inhibits bone marrow colony formation, has antitumor activity in vivo, is chemoattractant for human monocytes and T cells, and promotes T cell adhesion to endothelial cells. Here we report that IP-10 is a potent inhibitor of angiogenesis in vivo. IP-10 profoundly inhibited basic fibroblast growth factor-induced neovascularization of Matrigel (prepared by H. K. Kleinman) injected subcutaneously into athymic mice. In addition, IP-10, in a dose-dependent fashion, suppressed endothelial cell differentiation into tubular capillary structures in vitro. IP-10 had no effect on endothelial cell growth, attachment, and migration as assayed in vitro. These results document an important biological property of IP-10 and raise the possibility that IP-10 may participate in the regulation of angiogenesis during inflammation and tumorigenesis.
MeSH Terms
Amino Acid Sequence
Animals
Cell Adhesion/drug effects
Cell Differentiation/drug effects
Cell Division/drug effects
Cell Movement/drug effects
Cells, Cultured
Chemokine CXCL10
Chemokines, CXC
Collagen
Cytokines/pharmacology,therapeutic use
Drug Combinations
Endothelium, Vascular/cytology,drug effects
Female
Fibroblast Growth Factor 2/antagonists & inhibitors,toxicity
Humans
Laminin
Lung/blood supply
Mice
Mice, Inbred BALB C
Mice, Nude
Molecular Sequence Data
Neovascularization, Pathologic/chemically induced,prevention & control
Proteoglycans
Umbilical Veins
Chemicals
Chemokine CXCL10
Chemokines, CXC
Cytokines
Drug Combinations
Laminin
Proteoglycans
Fibroblast Growth Factor 2
matrigel
Collagen
Authors & Affiliations
9 authors, click to expand affiliations / ORCID
Angiolillo A L
Department of Hematology/Oncology, Children's National Medical Center, Washington, DC 20010, USA.
Sgadari C
Taub D D
Liao F
Farber J M
Maheshwari S
Kleinman H K
Reaman G H
Tosato G
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