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4 protocols using anti vsv g

1

Immunofluorescent Staining of Hantavirus Infection

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Vero E6 cells were seeded in 24-well plates and incubated at 37 °C overnight. HTNV, rVSV, or rVSV-HTNV-GP was used to infect cells for 2 h, followed by medium change to DMEM containing 2% FBS and cultured for an additional 48 h. Cells were fixed with 4% paraformaldehyde (PFA) at room temperature for 15 min, permeabilized with 0.5% Triton X-100 for 10 min, and stained with 1A8 (HTNV NP) (1:1000), anti-Gn-1 (1:50), anti-Gc-10 (1:100), or anti-VSV-G (1:1000, abcam, 309106) antibodies at 4 °C overnight. After washing, Cy3-conjugated goat anti-mouse IgG (1:400, Sangon Biotech, D111024) or Cy3-conjugated goat anti-rabbit IgG (1:400, Sangon Biotech, D111018) were added to each well and incubated at room temperature for 1 h. The nuclei were visualized using Hoechst 33258 (1:1000, YEASEN, 40729ES10). The images were captured using a BX60 fluorescent cell imager (Olympus, Tokyo, Japan).
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2

Western Blot Protein Detection Protocol

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Cells were lysed with RIPA lysis buffer (Cat. No. sc-24948A; Santa Cruz, USA) and total protein concentrations were determined by the BCA protein assay (Cat. No. 23225; Pierce Rockford, IL, USA). Equal concentrations of harvested protein were electrophoresed on 10% (w/v) sodium dodecyl sulfate (SDS) polyacrylamide gel and transferred onto a 0.45 ​μm PVDF membrane (Cat. No. 03010040001; Millipore, Billerica MA, USA) which was activated in methanol. The primary antibodies used to detect the target proteins were as following: anti-VSV-G was purchased from Abcam (Cat. No. ab183497; Cambridge, UK). Anti-RSV-G and anti-GFP were both purchased from Sino Biological (Cat. No. 13029-T52; Cat. No. 13105-R208; Beijing, China). Anti-FOLR1 and anti-APOBEC3B were purchased from ABclonal (Cat. No. A15672; Cat. No. A9010; Wuhan, China). Anti-GAPDH was purchased from Beyotime (Cat. No. AF0006; Shanghai, China). IRDye 680 goat-anti-rabbit and IRDye 800 goat-anti-mouse were purchased from Li-COR (Cat. No. 926-68071; Cat. No. 926-32216; Lincoln, NE, USA), and co-incubated with the membrane. Then they were visualized by a Li-COR Odyssey Infrared Imager. The protein bands were quantified using ImageJ (National Institutes of Health and the Laboratory for Optical and Computational Instrumentation, university of Wisconsin, America).
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3

Comprehensive Antibody Detection Protocol

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The following antibodies were used for protein detection: anti-CD19–PE (Beckman Coulter; IM1285U), anti-CD19 (Cell Signaling; 3574), anti-CD19 3G7 (Origen; TA506234), anti-CD19 HD37 (Thermo Fisher; MA1-34005), anti-VSVg–fluorescein isothiocyanate (FITC) (Abcam; ab3863), anti-VSVg (Abcam; ab50549), anti-CD81 (LifeSpan; LS-C359239), anti-CD81–FITC (Molecular Probes; A15753), anticalnexin (Cell Signaling; 2679), anticalreticulin (Cell Signaling; 12238), anti-UGCGL1 (NovoPro Laboratories; 116554), anti-PDI (Cell Signaling; 3501), anti-mouse antibody–Alexa Fluor 488 (Thermo Fisher; R37114), and anti-rabbit antibody–Alexa Fluor 594 (Thermo Fisher; A-21207).
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4

Protein Immunoblotting Procedure

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The protein samples were prepared as previously described [19 (link)]. In brief, the membranes transferred with the protein samples were blocked with 5% skim milk for 1 h at room temperature. The membrane was incubated overnight at 4 °C with the individual primary antibodies (anti-Flag (1:1000, M2, Sigma), anti-porTrim26 (1:1000, generated in this study), anti-VSV G (1:1000, Abcam), anti-PRRSV N (1:1000, generated by a synthetic peptide of N), and anti-actin (1:10,000, Sigma)). The membrane was then incubated for 1 h at room temperature with the secondary antibodies: horseradish-peroxidase-conjugated goat anti-mouse IgG (1:5000, Abcam) or goat anti-rabbit IgG (1:10,000, Abcam).
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