DMSO, LPS (0111:B4), and ATP were purchased from Sigma (St. Louis, MO). RIPA lysis buffer and Nitric Oxide Assay Kit were obtained from the Beyotime Institute of Biotechnology (Shanghai, China). Rabbit anti-NLRP3 monoclonal antibody was purchased from Cell Signaling Technology (Beverly, MA). Rabbit anti-ASC polyclonal antibody and rabbit anti-caspase-1 polyclonal antibody were from Santa Cruz Biotechnology Inc (Santa Cruz CA, USA), and mouse anti-β-actin monoclonal antibody was from Protein Tech Group (Chicago, IL). Micheliolide (MCL) (Molecular Weight: 248.3, purity >99%) was isolated from the Michelia compressa (Magnoliaceae) described previously [34 (link)]. Dulbecco's Modified Eagle's Medium (DMEM) and fetal bovine serum (FBS) (04-001-1A) were obtained from HyClone Laboratories Inc (Logan, UT, USA) and Biological Industries (BI, IL), respectively. Middle brook 7H9 media were obtained from Difco (Detroit, MI, USA), and oleic acid-albumin-dextrose-catalase (OADC) supplements were from BD Biosciences (BD, Sparks, MD, USA).
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