For non-cancer studies, the miDRB-targeted exosome biogenesis genes for ferroptosis-inhibiting miRNAs are retrieved as follows (Table 3): miR-19a-3p (SDC1, VPS4B, and MYO5B), miR-424-5p (VPS4A and MYO5B), miR-4291 (ATP9A, SMPD3, TSG101, and MYO5B), miR-522-3p (PDCD6IP), and miR-670-3p (CD34 and RAB27A). The gene discussed is SMPD3; the disease is cancer.