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4 protocols using ab91413

1

Western Blot Analysis of CD36 and NLRP3

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Proteins were extracted using a bicinchoninic acid protein kit (Beyotime, China) after lysing cells in RIPA buffer (Beyotime, China). Extracted proteins were separated by 10% SDS-PAGE and transferred to polyvinylidene membranes (Millipore, USA). Membranes were washed with Tris-Buffered Saline Tween (TBST), blocked with 5% non-fat milk for 1 h, and then incubated with a rabbit monoclonal anti-CD36 antibody (1: 1000; ab133625, Abcam, UK) or a rabbit monoclonal anti-NLRP3 antibody (1: 500; ab91413, Abcam, UK) overnight at 4°C. After being washed with TBST, membranes were incubated with horseradish peroxidase-labeled goat anti-rabbit IgG (1: 20 000; ZSGB, China) for 1 h at room temperature. Finally, signals were detected with an enhanced chemiluminescence kit (Millipore, USA).
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2

Cytotoxicity Assay Protocol for Cell Stress Evaluation

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Dulbecco’s modified Eagle’s medium (DMEM) and fetal bovine serum (FBS) were obtained from Gibco (Grand Island, NY, USA). Bilirubin, ethidium bromide (EtBr), Hoechst 33342, 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT), human serum albumin (HSA), and trypan blue were purchased from Sigma-Aldrich, Co. (St. Louis, MO, USA). Ethidium homodimer-2 (EthD2) was purchased from Invitrogen (Thermo Fisher Scientific). VX-765 was purchased from Selleck Chemicals (Houston, TX, USA). Anti-caspase-1 antibody (ab1872) and anti-NLR family pyrin domain containing 3 (NLRP3) (ab91413) were purchased from Abcam (Cambridge, UK). Anti-glial fibrillary acidic protein (GFAP) antibody (3670), anti-β-actin (3700), an HRP-conjugated anti-rabbit secondary antibody (7074P2), and an HRP-conjugated anti-mouse secondary antibody (7076P2) were purchased from Cell Signaling Technology. IL-1β enzyme-linked immunosorbent assay (ELISA) kit and IL-18 ELISA kit were from USCN Life Science, Inc. (Wuhan, China). Lactate dehydrogenase (LDH) cytotoxicity detection kit was obtained from Beyotime Biotechnology (Shanghai, China). All other chemicals and reagents were from Beyotime Biotechnology unless otherwise specified.
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3

Western Blot Analysis of NLRP3 Inflammasome

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Protein samples were collected and prepared. After electrophoresis and membrane transfer, the sample was incubated with primary antibodies. The primary antibodies were NLRP3 (1:1000; #ab91413; Abcam), caspase‐1 (1:500; #sc‐56036; Santa), ASC (1:1000; #sc‐514414; Santa), cathepsin B (1:1000; CST, #31718), β‐actin(1:1000; #BM0627; BOSTER, China), and β‐tubulin (1:1000; #A05397‐1; BOSTER). And then, membranes were treated with anti‐rabbit IgG (1:1500; #5127; CST) or anti‐mouse IgG (1:1500; #93702; CST). All protein bands were quantitated by Image J software (NIH, Bethesda, USA).
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4

Inflammasome Pathway Antibody Validation

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Anti-IL-1β antibody (ab106015), anti-caspase-4 antibody (ab25898), anti-caspase-5 antibody (ab40887), anti-GSDMD antibody -C-terminal (ab228824), and anti-Urotensin II antibody-C-terminal (ab194676) were purchased from Abcam (UK, London, Abcam) used for western blot, IF and IHC methods. Anti-caspase-1 antibody (D7F10) was obtained from Cell Signaling Technology (US, Trask Lane Danvers, CST) and was used in western blot, IF, and IHC. Anti-NLRP -3 antibody (Beijing, China, Wanleibio) was used in IHC and IF, and anti-NLRP-3 antibody (ab91413) was obtained from Abcam for western blot.
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