期刊
JOURNAL OF IMMUNOLOGY
卷 175, 期 5, 页码 2788-2792出版社
AMER ASSOC IMMUNOLOGISTS
DOI: 10.4049/jimmunol.175.5.2788
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Angiogenesis plays an important role in tissue remodeling and repair during the Late phase of inflammation. In the present study, we show that human dendritic cells (DC) that matured in the presence of anti-inflammatory molecules such as calcitriol, PGE(2), or IL-10 (alternatively activated DC) selectively secrete the potent angiogenic cytokine vascular endothelial growth factor (VEGF) isoforms VEGF(165) and VEGF(121). No VEGF production was observed in immature or classically activated DC Also, the capacity to produce VEGF was restricted to the myeloid DC subset. When implanted in the chick embryo chorioallantoic membrane, alternatively activated DC elicit a marked angiogenic response, which is inhibited by neutralizing anti-VEG FAbs and by the VEGFR-2 inhibitor SU5416 Therefore, alternatively activated DC may contribute to the resolution of the inflammatory reaction by promoting VEGF-induced angiogenesis.
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