Western blot analysis was performed as previously described [24 (link)]. Antibodies in this work were anti-KLF14 (ab85476; Abcam, Cambridge, MA, USA), anti-IRP1 (12406–1-AP, Proteintech, 1:1000), anti-IRP2 (23829–1-AP, Proteintech, 1:1000), anti-TfR1 (A5865, ABclonal, 1:1000), anti-Ferritin H (A19544, ABclonal, 1:1000), anti-SIRT1 (A17307, ABclonal, 1:1000), anti-GAPDH (M20006, Abmart, 1:5000), anti-Flag (M20008, Abmart, 1:5000, 1:1000), anti-HA (ab1424,abcam, 1:1000), anti-Actin (ab8227, abcam, 1:1000).
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