PGF and myocardial infarction: Unlike MI-CAD patients, MINOCA patients had higher concentrations of CCL-21 after 1-year follow-up, placental growth factor (PlGF) on days 1, 2, and 7 and after 1 year; oncostatin M on days 4 and 7 and after 1 year; IL-20 on days 2 and 4; CCL-15 on days 1, 2, 4, and 7; and sVCAM-1 on day 1 and after 1 year (Table 3).