RSL3, Fin56, or erastin induced higher lipid peroxidation (Fig. 3a, b; Supplementary Fig. 3a–e) and more ferroptotic cell death (Fig. 3c, d; Supplementary Fig. 3f) in LILRB1-KD MM cells compared to CTR-KD MM cells. The gene discussed is LILRB1; the disease is Miyoshi myopathy.