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22 protocols using anti mouse caspase 1

1

Antibody Reagent Identification for Cell Analysis

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The rabbit anti-Bcl-XL, the rabbit anti-caspase-3, the rabbit anti-LC3, the mouse anti-PARP1, the rabbit anti-actin antibodies were from Cell Signaling (ref. no. 2764, 9662, 2775, 9546, 4970 respectively). The rabbit anti-ATG6, the rabbit anti-total Bax and the rabbit anti-total Bak were from Santa Cruz Biotechnology (ref. no. sc-11427, sc-493 and sc-832 respectively). The mouse anti-caspase-1 was from Adipogen (ref. no. AG-20B-0048). The rabbit anti-ATG5 was from Abcam (ref. no. ab108327). The rat anti-MLKL was from Merck Millipore (ref. no. MABC604). The mouse FITC-labelled anti-CD19 was from Beckman Coulter (ref. no. A07768).
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2

Immunofluorescence Imaging of Cellular Markers

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Frozen brain sections or cells were fixed with 4% PFA for 20 min at room temperature and were permeabilized with 1% Triton X‐100 (Solarbio, Beijing, China) solution for 15 min. Next, 5% BSA in PBS with 0.1% triton was used to block non‐specific binding sites at room temperature for 1 h. The slides were incubated with the following corresponding primary antibodies at 4°C overnight: mouse anti‐dsDNA (1:100, Santa Cruz Biotechnology); rabbit anti‐53BP1 (1:5,000, Novus Biologicals); rabbit anti‐Iba1 (1:500, Wako Pure Chemical Industries, Ltd., Japan); rabbit anti‐NeuN (1:500, Abcam); goat anti‐GFAP (1:500, Abcam); rat anti‐Ly6G (1:100, BioLegend); mouse anti‐cGAS (1:100, Santa Cruz Biotechnology); mouse anti‐GSDMD (1:100, Santa Cruz Biotechnology); mouse anti‐caspase‐1 (1:100, Adipogen); and goat anti‐IL‐1β (1:100, R&D Systems). The following day, the sections were washed with cold PBS; the immunoreactions were visualized using fluorescent secondary antibodies. Nuclei were costained with Fluoroshield Mounting Medium containing DAPI (104139, Abcam). All the slides were visualized and photo‐documented using a confocal microscope (Olympus, Heidelberg, Germany) or a Nikon Coolscope digital microscope (Nikon, Tokyo, Japan), and quantified by ImageJ software (NIH).
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3

Inflammasome and α-Synuclein Regulation

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Dulbecco's Modified Eagle’s Medium (DMEM), fetal bovine serum (FBS) and other cell culture reagents, goat anti-mouse- AlexaFluor594 (H + L) antibody, goat anti-rabbit-AlexaFluor488 (H + L) antibody and rabbit IgG isotype control antibody were obtained from Thermo Fisher Scientific (Invitrogen). si-m-PYCARD/ASC RNAs were obtained from Guangzhou RiboBio Co., Ltd. Mouse anti-NLRP3 (Cat# AG-20B-0014), mouse anti-caspase-1 (Cat# AG-20B-0042) and rabbit anti-ASC (Cat# AG-25B-0006) were purchased from AdipoGen Life Sciences. Rabbit anti-α-synuclein (Cat# 4179), rabbit anti-Phospho-α-synuclein (Cat# 23706), rabbit anti-phospho-NF-κB p65 (Cat# 3033) and mouse anti-IL-1β (Cat# 12242) were purchased form Cell Signaling Technology. rabbit anti-ASC (Cat# YT0365) was purchased from ImmunoWay Biotechnology. Mouse anti-Phospho-α-synuclein (Cat# pSyn #64) and rabbit anti-IBA1 (Cat# 019-19741) were purchased from FUJIFILM Wako Pure Chemical Corporation. Mouse anti-α-synuclein (Cat# sc-12767) and mouse anti-GSDMD (Cat# sc-393581) was purchased from Santa Cruz Biotechnology. Rabbit anti-NF-κB p65 (Cat# ab16502), goat anti-IBA1 (Cat# ab5076) and rabbit anti-GSDMD (Cat# ab219800) were purchased from Abcam. Rabbit anti-IL18 (Cat# A1115) was purchased from ABclonal. Rabbit anti-tyrosine hydroxylase (Cat# AB152) was purchased from Merck Millipore.
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4

Immunohistochemical Analysis of Inflammatory Markers

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Immunohistochemical analysis was performed as previously described (McKenzie et al, 2018). Frozen sections (8 μm) were incubated with 0.3% hydrogen peroxide for 20 min to inactivate endogenous peroxidases. After washing in PBS, brain sections were blocked with 5% bovine serum albumin (BSA) for 1 h at room temperature. Thereafter, brain sections were incubated 4°C overnight with the following primary antibodies: mouse anti‐cGAS (1:100, Santa Cruz Biotechnology); mouse anti‐caspase‐1 (1:100, Adipogen); goat anti‐IL‐1β (1:100, R&D Systems); and mouse anti‐GSDMD (1:100, Santa Cruz Biotechnology). Slides were then washed in PBS and incubated with suitable biotinylated secondary antibodies (1: 500, Vector Laboratories) for 2 h at room temperature. The sections were followed by incubation with avidin–biotin–peroxidase complex (VECTASTAIN Elite ABC Kit; Vector Laboratories). The immunoreactivity was visualized with 3,3′‐diaminobenzidine (DAB). A set of sections was also stained in a similar way but without the primary antibody and served as the negative control. Sections were then mounted in neutral balsam. All slides were imaged using a Nikon Coolscope digital microscope (Nikon, Tokyo, Japan).
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5

Immunohistochemical Detection of Caspase-1

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Mouse lung sections were deparaffinized and rehydrated in an ethanol series. The sections were treated with 1.4% H2O2 in methanol for 30 minutes to block endogenous peroxidase; they were then non-specific binding blocked using 1.5% horse serum and incubated with mouse anti-caspase-1 (1:2,000; Adipogen). The following day, sections were incubated with an ABC kit (Vector Laboratories, Burlingame, CA, USA). Color reaction was developed using a liquid DAB+ substrate kit (Golden Bridge International Inc., Mukilteo, WA, USA). After immunohistochemical staining, the slides were counterstained with Herris's hematoxylin for 1 minute. Expression was quantified using the ImageJ software (National Institutes of Health, Bethesda, MD, USA).
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6

Immunofluorescence Imaging of Neuroinflammatory Markers

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Cells were cultured on poly-L-lysine coated coverslips and fixed with paraformaldehyde (4% in PBS) after stimulation. Cells were incubated overnight at 4°C with Cy3-labeled mouse anti-GFAP (1:800, Sigma-Aldrich), rabbit anti-Iba1 (1:200, Biocare Medical), goat anti-IL-1β (1:100, R&D), mouse anti-NLRP3 (1:100), rabbit anti-ASC (1:200), mouse anti-Caspase-1 (1:300, all three Adipogen) and rabbit anti-HMGB1 (1:400, Abcam). After washing with PBS, cells were incubated with anti-rabbit, anti-goat or anti-mouse secondary antibodies coupled to either Cy3 or AlexaFluor 488 (Invitrogen). Cells were then washed with PBS and mounted with DAPI-Fluoromount G (SouthernBiotech, USA), and observed under a LSM 510 META inverted confocal microscope (Carl Zeiss Micro Imaging, Göttingen, Germany).
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7

Antibody-based Protein Detection Assay

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Antibodies used were rabbit anti-tankyrase 1/2 and mouse anti-Bcl-2 (Santa Cruz Biotechnology, Dallas, TX, USA), rabbit anti-podocin and mouse anti-tubulin (Sigma-Aldrich), goat anti-tankyrase 2, rabbit anti-BAX and rabbit anti-fibronectin (Abcam, Cambridge, UK), rabbit anti-CD2AP 1774 or 1764,4 (link), 51 (link) mouse anti-PARP1 and rabbit anti-Poly(ADP-ribose) (Enzo Life Sciences, Farmingdale, NY, USA), mouse anti-active-β-catenin (Millipore, Billerica, MA, USA), rabbit anti-LEF1 and rabbit anti-phospho p38 MAPK (Cell Signaling Technology, Danvers, MA, USA) and mouse anti-WT1 (Upstate, Lake Placid, NY, USA), guinea pig anti-p62/SQSTM1 (Progen Biotechnik GmbH, Heidelberg, Germany) and mouse anti-Caspase-1 (Adipogen, San Diego, CA, USA).
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8

Immunoblotting for Signaling Proteins

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The immunoblotting analyses were conducted as described previously [14] . The specimens were electrophoresed with 12% SDS-polyacrylamide gels and transferred to nitrocellulose membranes by electrophoresis. Following the blocking, the membranes were incubated at 4 °C overnight under gentle agitation with each primary antibody: goat anti-IL-1β (1:1000, R&D), mouse anti-Caspase-1 (1:1000; AdipoGen), goat anti-CatB (1:1000; Santa Cruz Biotechnology), mouse anti-IκBα (1:1000; Cell Signaling), rabbit anti-Synaptophysin (1:20000; Abcam), rabbit anti-Phospho-Akt (Thr308, 1:1000, Cell Signal), rabbit anti-Phospho-Akt (Ser473, 1:1000, Cell Signal), rabbit anti-total Akt (1:1000, Cell Signal), rabbit anti-Phospho-CREB (1:1000, Cell Signal), rabbit anti-total CREB (1:1000, Cell Signal). After washing, the membranes were incubated with HRP-labeled anti-goat (1:2000; GE Healthcare), anti-mouse (1:2000; R&D Systems), anti-rabbit (1:2000; GE Healthcare), and mouse anti-actin (1:5,000, Abcam) for 2 hours at room temperature. After that, the HRP-labeled protein bands were detected by an enhanced chemiluminescence detection system (ECL kit; GE Healthcare) with an image analyzer (LAS-1000; Fuji Photo Film).
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9

Immunoblotting Analysis of Inflammation Markers

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The immunoblotting analyses were conducted as described previously [14] . The specimens were electrophoresed with 12% SDS-polyacrylamide gels and transferred to nitrocellulose membranes by electrophoresis. Following the blocking, the membranes were incubated at 4°C overnight under gentle agitation with each primary antibody: goat anti-IL-1β (1:1000, R&D), mouse anti-Caspase-1 (1:1000; AdipoGen), goat anti-CatB
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10

Inflammasome Activation and Inhibition

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Paclitaxel, doxorubicin, etoposide, LPS, ATP, nigericin, staurosporine, glibenclamide, and valiomycin were purchased from Sigma-Aldrich. Ciliobrevin D and SP600125 were purchased from Calbiochem. JC-1 and MitoSOX were purchased from Invitrogen. Alum was purchased from InvivoGen. Anti-mouse caspase-1, anti-NLRP3 and anti-ASC antibodies were obtained from AdipoGen. Anti-mouse IL-1β antibody was obtained from R&D Systems. Anti-phospho-IκB and anti- IκB antibodies were purchased from Cell Signaling Technology. Anti-phospho-JNK and anti-JNK antibodies were obtained from Invitrogen and BD, respectively. Anti-β-actin antibody was purchased from Santa Cruz Biotechnology.
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