THP-1 cells were from the Cell Resource Center, IBMS, CAMS/PUMC (Beijing, China). The THP-1 cell line with Gsdmd knockout (THP-1Gsdmd-KO) was generated previously [30 (link)]. Cell culture was performed at 37 °C in a 5% CO2 humidified incubator. The culture medium was RPMI Medium 1640 basic (1×) (C22400500BT, Gibco) containing 10% (v/v) FBS (10099-141 C, Gibco), 1% penicillin and streptomycin (SV30010, HyClone). THP-1-Null, THP-1-defCasp1 (Casp1 knockdown), and THP-1-defNLRP3 (Nlrp3 knockdown) were purchased from InvivoGen and cultured as instructed by the manufacturer.
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