Aortic-intima-resident macrophages (MACAIRs) share the vessel luminal lining with endothelial cells in areas of turbulent flow and protrude into the arterial blood stream to clean the inner arterial surface via phagocytosis, shield nearby endothelial cells from activation by thrombin and prevent microthrombus formation.
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M.N. has received funds or material research support from Alnylam, Biotronik, CSL Behring, GlycoMimetics, GSK, Medtronic, Novartis and Pfizer, as well as consulting fees from Biogen, Gimv, IFM Therapeutics, Molecular Imaging, Sigilon and Verseau Therapeutics. F.E.P. declares no competing interests.
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Pulous, F.E., Nahrendorf, M. Aortic-intima-resident macrophages are guardians of arterial health. Nat Cardiovasc Res 1, 4–5 (2022). https://doi.org/10.1038/s44161-021-00008-2
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DOI: https://doi.org/10.1038/s44161-021-00008-2
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