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. 2024 Feb 23;43(7):1164–1186. doi: 10.1038/s44318-024-00055-y

Figure EV2. NINJ1 filament formation is essential to induce cell lysis in ferroptosis.

Figure EV2

(A) LDH absorbance in WT and Ninj1−/− BMDMs untreated (UT) or lysed with Triton X-100 to a final concentration of 0.01% (max. lysis). (B) Western blot of NINJ1 expression in WT or Ninj1−/− BMDMs transduced with a retroviral vector expressing WT mNINJ1 or different mNINJ1 mutants. Transduction with a GFP expressing vector was used as a control. Cell extracts were analyzed. GAPDH is a loading control. (C, D) Immunofluorescence confocal microscopy of NINJ1 (red) in WT or Ninj1−/− BMDMs complemented with WT or different NINJ1 mutants upon retroviral transduction. Scale bars: 20 µm (C) and 60 µm (D). (E) LDH release in WT and Ninj1−/− BMDMs upon treatment with 1 mM CuOOH for 8 or 14 h. Data information: All graphs show the mean ± SD. Data are pooled from three independent experiments performed in triplicate (A, E) or representative of two different experiments (B, C, D). Statistical analysis was done using Student’s unpaired two-sided t-test. **** P < 0.0001, ** < 0.01.