Blood vessels arise from progenitor cells, grow and branch by sprouting from preexisting vessels and remodel by splitting longitudinally. A new study proposes an additional mechanism. It seems that vascularization can proceed through the mechanical translocation and expansion of existing vessels, which loop into vascularising tissue (pages 657–664).
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Benest, A., Augustin, H. Tension in the vasculature. Nat Med 15, 608–610 (2009). https://doi.org/10.1038/nm0609-608
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DOI: https://doi.org/10.1038/nm0609-608
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