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7 protocols using 4 6 diamidino 2 phenylindole dapi c0060

1

Immunofluorescence Staining of Frozen Tissue

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4 μm thick section slides from frozen human tissue were washed three times in PBS. Then the sections were permeabilized with 0.5% Triton X-100 (T8200, Solarbio) for 20 min. After 5% BSA incubation for 1 h, sections were incubated in ARPC1B and glial fibrillary acidic protein (GFAP) antibodies at 4°C overnight. Following incubation with fluorescein (FITC) or rhodamine (TRITC) secondary antibody and 4’,6-diamidino-2-phenylindole (DAPI, C0060, Solarbio), the samples were detected using fluorescence microscope (Leica). The images were merged digitally to monitor the co-localization condition.
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2

Immunofluorescence Assay for PRV-XJ

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A total of 10 μL of rPRV-XJ-ΔTK/gE/gI-VP2 or PRV-XJ infected BHK-21 cells were cultured in DMEM containing 2% FBS in 6-well plates for 24 h. The cells were then fixed with immobile liquid (methanol and acetone, 1:1) at 4°C for 30 min, followed by blocking with 5% bovine serum albumin (BSA) at 20°C for 1 h. The cells were then incubated with primary antibody (1:200 dilution of mouse anti-VP2 polyclonal antibody) at 4°C for 16 h and with secondary antibody (1:500 dilution of Corallite 594-conjugated goat anti-mouse IgG [SA00013-3; Proteintech]) at 37°C for 1 h. 4′,6-Diamidino-2-phenylindole (DAPI; C0060; Solarbio) was used for nuclear staining.
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3

Immunofluorescence Staining of MDBK Cells

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MDBK cells were seeded in 24-well plates on glass coverslips and treated with 4% paraformaldehyde for 20 min at room temperature. After washing three times, cells were permeabilized with 1% (v/v) Triton X-100 (T8787, Sigma-Aldrich, St. Louis, MI, USA) for 15 min, and blocked in PBS with 2% (w/v) bovine serum albumin for 1 h. The cells were incubated with primary antibodies at 4 °C overnight. Then, the cells were incubated with Alexa Fluor 488 goat anti-rabbit secondary antibodies (Beyotime Biotechnology, Shanghai, China) for 1 h at room temperature. 4′-6-diamidino-2-phenylindole (DAPI, C0060, Solarbio Science & Technology Co., Ltd., Beijing, China) was used to stain nuclei. Images were acquired by confocal microscopy.
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4

Comprehensive Immunohistochemical Characterization

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Briefly, the sections had been repaired with the antigen repair solution, observed by using 0.5% Triton X-100 permeabilized, and blocked with 5% (w/v) bovine serum albumin (BSA). Then the sections were incubated with primary antibodies at 4°C overnight. Primary antibodies used were as follows: TGF-β1 (ab215715, Abcam, 1:200), MMP9 (ab58803, Abcam, 1:200), Platelet endothelial cell adhesion molecule-1 (CD31) (M1511-8, Huabio, 1:200), Cleaved caspase-3 (ab179517, Abcam, 1:200), NKG2-D (sc-515599, Santa Cruz, 1:200), and nucleotide-binding oligomerization domain containing 2 (NOD2) (sc-56168, Santa, 1:200). The slides were incubated with secondary antibodies for 60 min. Finally, nuclei were counterstained with 4′,6-diamidino-2-phenylindole (DAPI) (c0060, Solarbio), and the slides were visualized by fluorescence microscopy.
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5

Immunofluorescence Antibody Staining Protocol

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Anti-IBA1, anti-TJP1, and anti-OCLN were purchased from ProteinTech, Wuhan, China. Anti-P-synapsin-1, VGlut1, NMDAR1, and NMDAR2B were purchased from Abcam, Shanghai, China. 4,6-Diamidino-2-phenylindole (DAPI; #C0060) was purchased from Solarbio, Beijing, China.
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6

Epigenetic Histone Modification Analysis

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Anti-H3K27me3 (#ab6002), anti-H3K4me3 (#ab8580), anti-H3K4me2 (#ab32356), and anti-H3 antibodies (#ab1791) were purchased from Abcam China (Shanghai, China). Anti-EZH2 (#07-689) antibody was purchased from EMD Millipore (Shanghai, China). Anti-β-actin (#4970S) was purchased from Cell Signaling Technology (Shanghai, China). DAPI (4,6-diamidino-2-phenylindole; #C0060) was purchased from Solarbio (Beijing, China). All other reagents were of the highest analytical grade.
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7

Transcriptome Analysis of Cholesterol Metabolism

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The TransStart one-step gDNA removal and cDNA synthesis supermix kit (AT311-02) and TransStart Tip Green qPCR supermix (AQ142-21) were ordered from TransGen Biotech (Beijing, China), The total RNA kit was ordered from Omega (Guangzhou, China), BODIPY 493/503 (GC42959) was purchased from GlpBio (Montclair, CA, USA), DAPI (4′,6-diamidino-2-phenylindole) (C0060) was ordered from Solarbio Science & Technology (Beijing, China), and 25-hydroxycholesterol (25HC) (HY-113134) and asiaticoside (AS) (HY-N0439) were ordered from MedChemExpress (Monmouth Junction, NJ, USA).
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