RIPK3 and myocardial infarction: Wang et al. [15] reported that an lncRNA named necrosis-related factor (NRF) reduced myocardial infarct size upon I/R injury in the animal model, with miR-873 as one of its targets suppressing the expression of RIPK1 (receptor-interacting serine/threonine-protein kinase 1)/RIPK3 (receptor-interacting serine/threonine-protein kinase 3) and decreasing death of cardiac cells.