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3 protocols using ab154179

1

Protein Expression Analysis in Macrophages

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Protein was extracted from the tissue homogenate and macrophages using RIPA lysis buffer (Sigma-Aldrich). NE-PER™ Nuclear and Cytoplasmic Extraction Reagents (Thermo Fisher Scientific) were used to prepare the cytosolic fraction and nuclear extracts. Equivalent quantities (25 µg) of protein were separated by SDS-PAGE gel, transferred onto a nitrocellulose membrane (Millipore), blocked with 5% skim milk overnight at 4 °C, followed by overnight incubation with primary antibodies against Atox1 (1:10000; Abcam, ab154179), p47phox (1:1000; Abcam, ab181090), NLRP3 (1:500; Abcam, ab263889), Caspase 1 p20 (1:1000; Invitrogen, PA5-99390), iNOS (1:20000; Abcam, ab178945), IL-12p40 (1:1000; Abcam, ab133752), IL-10 (1:2000; Abcam, ab1333575), Arg-1 (1:1000; Abcam, ab2333548), Lamin B1 (1:1000; Abcam, ab229025), and β-actin (1:5000; Proteintech Group, Inc., 60066-1-AP) at 4 °C. Subsequently, the membranes were washed thrice with Tris-buffered saline with 0.1% Tween-20 and incubated with the HRP-conjugated secondary antibody (1:10000; ZSGB-BIO, ZB-2301, ZB-2305) for 1 h at 37 °C. Signals were visualized with an enhanced chemiluminescence system.
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2

Oxidative Stress-Induced Apoptosis Assays

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Annexin V-FITC Apoptosis Detection Kit (Invitrogen, China), Ammonium tetrathiomolybdate (TTM) (Sigma-Aldrich, USA), TUNEL assay (Beyotime, China), ROS Assay kit (Beyotime, China), ROS Fluorescent Probe Kit (KeyGEN, China), MDA Assay Kit (Beyotime, China), GSH and GSSG Assay Kit (Beyotime, China), Tempol (Sigma-Aldrich, USA), Cell Counting Kit-8 (Dojindo, Japan), DCFH-DA (Beyotime, China), MitoSOX Red (Invitrogen, China), JC-1 (Invitrogen, China), Mito-Tracker Red, Mito-Tracker Green and Lysosome-Tracker Red (Invitrogen, China), Cell mitochondria isolation kit (Beyotime, China), Superoxide Dismutase Activity Assay kit (ab65354; Abcam).
Antibodies were from various sources, including GAPDH (5174; Cell Signaling Technology), Atox1 (22641-1-AP; Proteintech), Atox1 (ab154179; Abcam), NeuN (ab177487; Abcam), Cleaved Caspase-3 (9661; Cell Signaling Technology), Bax (ab32503; Abcam), Bcl-2 (ab182858; Abcam), DJ-1 (ab76008; Abcam), TOMM20 (ab283317, Abcam), TOMM20 (ab186735, Abcam), LC3-Ⅱ (ab192890, Abcam), SQSTM1/p62 (ab109012, Abcam), PINK1 (23274-1-AP, Proteintech), PRKN (14060-1-AP, Proteintech), COX4 (11242-1-AP, Proteintech), FLAG (ab205606; Abcam).
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3

Quantification of Recombinant Protein HAH1

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Protein content was measured by Western Blot analysis. HAH1 was stained with a rabbit monoclonal anti-HAH1 antibody (Abcam: ab154179, diluted to 53.2 ng/mL). GAPDH was used as reference (rabbit polyclonal anti-GAPDH antibody, Abcam: ab9485, diluted at 1:2,000). Goat anti-rabbit IgG (whole molecule)-peroxidase secondary antibody (Sigma:A0545) was used, diluted at 1:80,000. For detection, LiteAblot EXTEND chemiluminescent substrate (EuroClone) was used. Purified recombinant HAH1 was used as standard for the quantification. HAH1 was expressed with a 6-His tag at C-terminal part in E. coli BL21(DE3) gold competent cells for 4 h at 37 °C. After cell lysis, a first purification step was performed using a HiTrap chelating (GE Healthcare) column charged with Zn(II). The protein was eluted in 20 mM Na2HPO4, 0.5 M NaCl, 5 mM imidazole, 20 mM EDTA, pH=8, buffer. After buffer exchange and digestion with Factor Xa protease (New England Biolabs) for 24 hr at 25 °C, the protein was separated from the affinity tag in the HiTrap column charged with Zn(II).
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