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4 protocols using anti acsl4

1

Investigating Ferroptosis Regulators in Cells

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6-isopropyl dithio-2′-dexoxyguanosine (YLS004) and 6-isopropyl dithio-2′-guanosine (YLS010) were obtained from Chemipanda Bio-Tech Co., Ltd. (Hangzhou, China). 6-Thioguanine(6-TG) was purchased from Aladdin (Shanghai, China). Nelarabine was purchased from Market-Guide Pharmaceutical & Chemical Co., Ltd. (Jiangxi, China). Anti-BAX (Abcam, Cambridge, UK, Cat# ab182733, dilution ratio: 1:2000). Anti-BCL-2(Abcam, Cambridge, UK, Cat# ab32124, dilution ratio: 1:2000). Anti-Caspase 3 (Proteintech, Chicago, IL, USA, Cat# 19677-1-AP, dilution ratio: 1:1000). Anti-Caspase9 (Proteintech, Cat# 10380-1-AP, dilution ratio: 1:1000). Anti-GPX4 (Proteintech, Cat# 67763-1-lg, dilution ratio: 1:2000). Anti-ACSL4 (Proteintech, Cat# 66617-1-lg, dilution ratio: 1:5000). Anti-GAPDH (Proteintech, Cat# 60004-1-lg, dilution ratio: 1:5000).
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2

Proteomic Analysis of Ferroptosis Regulators

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In a solution containing a protease inhibitor (AS1008; Aspen), PC12 cells were dissolved on ice for 30 min. BCA protein assay kit was used to measure the protein concentration (PC0020; Solarbio). The protein samples were heated at 100°C for 10 min to completely denature the proteins. The protein samples were then separated by SDS‐PAGE electrophoresis and transferred to PVDF membranes (IPVH00010; Millipore). After being blocked for an hour with 5 percent skim milk, the membrane was incubated with the primary antibody at 4°C overnight. The antibodies used in this study consisted of anti‐DHODH (1:1000, 14877‐1‐AP; Proteintech), anti‐ACSL4 (1:1000, 22401‐1‐AP; Proteintech), anti‐COX2 (1:1000, 66351‐1‐Ig; Proteintech), anti‐GPX4 (1:1000, 67763‐1‐Ig; Proteintech), anti‐ALOX15 (1:1000, ab244205; Abcam), anti‐P53 (1:1000, AB_297667; Abcam). After being washed three times with TBST, the membrane was incubated for 10 min at room temperature with a secondary antibody that had been enzyme‐labeled. Imaging was carried out using an ECL chemiluminescence substrate (BL520B; Biosharp). Band intensities were quantified using Image J software.
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3

Western Blot Analysis of Fibrosis Markers

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Protein expression of FAP, α-SMA, and FSP1 was assessed by protein blot analysis and samples were normalized to GAPDH or ACTIN. Samples were blocked with 5% skim milk powder for 2 h at room temperature and incubated at 4°C with anti-FAP (1:1000, Proteintech), anti-α-SMA (1:2000, Cell Signaling Technology), anti-FSP1 (1:1000, Cell Signaling Technology), anti-Calnexin (1:1000, Proteintech), anti-TSG101 (1:1000, Proteintech), anti-CD63 (1:1000, Proteintech), anti-CD9 (1:1000, Proteintech), anti-GAPDH (1:5000, Proteintech), anti-NFR2 (1:1000, Proteintech), anti-ACSL4 (1:1000, Proteintech), anti-SLC7A11 (1:1000, Proteintech), anti-CHAC1 (1:500, Proteintech), anti-GPX4 (1:1000, Proteintech) and anti-ACTIN (1:5000, Proteintech) antibodies overnight. Next, membranes were imaged with horseradish peroxidase-conjugated secondary antibodies (anti-rabbit or anti-mouse, 1:5000, Proteintech), and protein blots were imaged using a gel imaging system (Tanon) and quanti ed using the ImageJ software.
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4

Immunohistochemical Staining of Fatty Acid Metabolism Proteins

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IHC staining was conducted according to the manufacturer's instructions using the Histostain™ Plus Kit (Cat. No. SP-9001; ZSGB-BIO, Beijing, China). The primary antibodies used in this study were anti-PPARα (1:200, Cat. No. ab233078; Abcam, Cambridge, UK), anti-ACADM (1:200, Cat. No. 55210-1-AP; Proteintech, China), anti-ACAA1(1:50, Cat. No. 12319-2-AP; Proteintech, China), anti-ACSL1(1:200, Cat. No. 13989-1-AP; Proteintech, China), anti-ACSL4 (1:50, Cat. No. 22401-1-AP; Proteintech, China) and anti-ACSL5(1:100, Cat. No. A1270, Abclonal, China). Positive signals for PPARα-, ACADM-, ACAA1-, ACSL1-, ACSL4-, and ACSL5-were observed as granular yellow or brown masses in hepatocytes.
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