Abstract
Transforming growth factor-β (TGF-β) is a multifunctional cytokine with important roles in embryogenesis and maintaining tissue homeostasis during adult life. There are three isoforms of TGF-β, i.e., TGF-β1, -β2, and -β3, which signal by binding to a complex of transmembrane type I and type II serine/threonine kinase receptors and intracellular Smad transcription factors. In most cell types TGF-β signals via TGF-β type II receptor (TβRII) and TβRI, also termed activin receptor-like kinase 5 (ALK5). In endothelial cells, TGF-β signals via ALK5 and ALK1. These two type I receptors mediate opposite cellular response for TGF-β. The co-receptor endoglin, highly expressed on proliferating endothelial cells, facilitates TGF-β/ALK1 and inhibits TGF-β/ALK5 signaling. Knockout of TGF-β receptors in mice all result in embryonic lethality during midgestation from defects in angiogenesis, illustrating the pivotal role of TGF-β in this process. This chapter introduces methods for examining the function and regulation of TGF-β in angiogenesis in in vitro assays using cultured endothelial cells and ex vivo metatarsal explants.
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Acknowledgements
Our studies on the role of TGF-β receptors in tumor angiogenesis and other diseases are supported by the TAS ZonMW grant, the Dutch Cancer Society, Netherlands Research Council, Le Ducq Foundation, The Netherlands Institute for Regenerative Medicine (NIRM), Cancer Genomics Centre Netherlands, and Centre for Biomedical Genetics.
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Maring, J.A., van Meeteren, L.A., Goumans, M.J., ten Dijke, P. (2016). Interrogating TGF-β Function and Regulation in Endothelial Cells. In: Feng, XH., Xu, P., Lin, X. (eds) TGF-β Signaling. Methods in Molecular Biology, vol 1344. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-2966-5_11
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DOI: https://doi.org/10.1007/978-1-4939-2966-5_11
Publisher Name: Humana Press, New York, NY
Print ISBN: 978-1-4939-2965-8
Online ISBN: 978-1-4939-2966-5
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