INPP5D and myocardial infarction: This is suggested by evidence of an earlier macrophage polarisation to a pro-angiogenic ‘M2’ phenotype after myocardial infarction (McSweeney et al. 2010) and by higher expression of the M2 marker, SHIP1, in macrophages of Hsd11b1−/− mice than wild-type controls (Zhang & Daynes 2007).