CD14 and myocardial infarction: Moreover, the monocytes mobilized from bone marrow and splenic reservoirs infiltrated cardiac tissues, as autopsy cases revealed penetration of monocytes (CD14+) to the infarct border region during the inflammatory phase (12 h–5 days post-MI) and invasion of the infarct region during the proliferative phase (5–14 days post-MI) [69].