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3 protocols using ab155421

1

Comprehensive Analysis of Hepatic Transporters

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HB (collection in Sichuan, 20042901), ZZ (collection in Fujian, 210303), DH (collection in Gansu, 20201211), and MX (collection in Jiangsu, 21032501) were obtained from Simcare Ltd. Primary antibodies against ZO-1 (21773-1-AP, 1:1000), occludin (13409-1-AP, 1:1000), claudin-1 (13050-1-AP, 1:1000), and the second antibody of beta-actin (20536-1-AP, 1:10000) were purchased from Proteintech Group Inc. Primary antibodies against NTCP (ab131084, 1:1000), BSEP (ab155421, 1:1000), CYP7A1 (ab234982, 1:1000), MRP2 (ab172630, 1:1000), and FXR1 (ab129089, 1:1000) were obtained from Abcam Inc. ANIT (N106389), UDCA(U110695), and olive oil (O108685) were purchased from the Aladdin Chemical Reagent Co. Dimethyl sulfoxide (DMSO) was purchased from Sigma-Aldrich (reference D4540) (St-Louis, MO, USA). The TRIzol total RNA extraction kit was obtained from Life Technologies.
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2

Immunohistochemistry Imaging of Zebrafish Liver

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At 5–7 dpf, zebrafish were anesthetized in 0.1% tricaine and fixed in 10% formalin overnight at room temperature (RT), and then embedded in paraffin blocks and sectioned at 2–4 nm thickness. Slides were dewaxed through 2 changes of xylene and hydrated through 100%, 90%, and 70% ethanol. Antigen retrieval was performed using a pressure cooker, and then slides were treated with H2O2 and methanol for peroxidase inhibition. Blocking was performed using 10% goat serum in PBS plus 0.1% Tween 20 (PBS-T) for 1 hour at RT, and then slides were incubated with a primary antibody for 1 hour, washed for 15 minutes in PBS-T, and incubated 30 minutes in secondary antibody. Slides were mounted using Prolong Diamond and cured at RT for 48 hours before proceeding to imaging on a Leica SP8 Lightning confocal microscope. The following antibodies were used: Mdr1 (Thermo Fisher Scientific, BS-0563R, 1:100); BSEP (MilliporeSigma, HPA019035, 1:100); BSEP (Abcam, ab155421, 1:200); GFP (Abcam, ab252881, 1:100); Rab11 (Genetex, GTX127328, 1:300); and 2F-11 (Abcam, ab71286, 1:100).
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3

Western Blot Protocol for Protein Detection

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Whole cell lysates were derived from cells or tissues using radioimmunoprecipitation assay (RIPA) lysis buffer. Proteins (20–40 μg) with SDS-loading buffer were loaded onto gels and run on SDS-PAGE; then, proteins were transferred to the polyvinylidene fluoride (PVDF) membrane. The PVDF membranes were incubated with primary antibodies against Pro-caspase-1 (1:2000, #ab179515, Abcam), caspase-1 (1:2000, #ab108362, Abcam), NLRP3 (1:2000, #ab16097, Abcam), IL-1β (1:1000, #AF-401-NA, R&D), HO-1 (1:500, #sc-10789, Santa Cruz), GAPDH (1:500, #sc-47724, Santa Cruz), β-actin (1:500, #sc-81178, Santa Cruz), Tubulin (1:1000, #556321, BD Pharmingen), FXRa (1:2000, #ab187735, Abcam), Cyp8b1 (1:2000, #ab175843, Abcam), Cyp27a1 (1:1000,#ab126785, Abcam), Sult2a1 (1:500, #sc-376629, Santa Cruz), Bsep (1:2000, #ab155421, Abcam), Mrp3 (1:500, #sc-5776, Santa Cruz), Ntcp (1:2000, #ab131084, Abcam), and BAAT (1:2000, #ab83882, Abcam). Then, appropriate horseradish peroxidase (HRP)-linked secondary antibodies were incubated for further 1 hour at room temperature. Luminal and H2O2 substrates were used for chemiluminescence detection.
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