Angiostatin anti-angiogenesis requires IL-12: The innate immune system as a key target
Open Access
- 14 January 2009
- journal article
- Published by Springer Nature in Journal of Translational Medicine
- Vol. 7 (1) , 5
- https://doi.org/10.1186/1479-5876-7-5
Abstract
Angiostatin, an endogenous angiogenesis inhibitor, is a fragment of plasminogen. Its anti-angiogenic activity was discovered with functional assays in vivo, however, its direct action on endothelial cells is moderate and identification of definitive mechanisms of action has been elusive to date. We had previously demonstrated that innate immune cells are key targets of angiostatin, however the pathway involved in this immune-related angiogenesis inhibition was not known. Here we present evidence that IL-12, a principal TH1 cytokine with potent anti-angiogenic activity, is the mediator of angiostatin's activity.Keywords
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