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goat anti human polyclonal cy5 conjugated antibodies  (Bioss)


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    Bioss goat anti human polyclonal cy5 conjugated antibodies
    Receptor binding and fusogenicity of S proteins of omicron variants (A) Amino Acid sequence alignment of RBDs from different omicron variants. Dashed lines represent residues identical to WT. Residues of RBM are shown in red. (B and C) Cleavage of S proteins from different omicron variants. Plasmids encoding codon-optimized S proteins were transfected into HEK293T cells and the cells were then lysed at 40 h post-transfection. The expression of S proteins was detected by western blot using rabbit <t>polyclonal</t> anti-S2 antibodies. Actin served as the loading control. Experiments were done three times and one representative was shown. Band densities were quantified using ImageLab software to determine the cleaved/FL ratio and normalized to WT. FL S, full-length spike protein. (D) Binding of soluble hACE2 to S proteins of omicron variants. HEK293T cells transiently expressing the indicated S proteins were incubated with biotinylated hACE2 followed by Alexa Fluor <t>488-conjugated</t> streptavidin and then analyzed by flow cytometry. Experiments were done three times, and one representative was shown. (E and F) Cell-cell fusion mediated by S proteins of omicron variants. HEK293T cells were co-transfected with indicated S protein and eGFP. The cells were detached with trypsin at 48h post-transfection and overlaid on the HEK293 cells expressing hACE2 or Calu3 cells. After 2 h of incubation, five randomly selected images of syncytia were captured using a fluorescent microscope. Fusion areas were quantified using ImageJ software and normalized to WT as fusion efficiency. Experiments were done three times in triplicate and one representative is shown. The statistical difference relative to WT was determined by one-way ANOVA with Dunnett’s multiple testing correction ( n = 3 for (C) and (D); n = 5 for (E) and (F)). The statistical difference between BA.2.86 and JN.1 was determined by a two-tailed t-test ( n = 3 for (C) and (D); n = 5 for (E) and (F)). Error bars indicate SEM. ∗ p < 0.05, ∗∗ p < 0.01, ∗∗∗ p < 0.001, ∗∗∗∗ p < 0.0001. Scale bar = 200μm. See also .
    Goat Anti Human Polyclonal Cy5 Conjugated Antibodies, supplied by Bioss, used in various techniques. Bioz Stars score: 94/100, based on 3 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Average 94 stars, based on 3 article reviews
    goat anti human polyclonal cy5 conjugated antibodies - by Bioz Stars, 2026-02
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    1) Product Images from "Enhanced reverse zoonotic potential and immune evasion by omicron JN.1 variant"

    Article Title: Enhanced reverse zoonotic potential and immune evasion by omicron JN.1 variant

    Journal: iScience

    doi: 10.1016/j.isci.2025.112824

    Receptor binding and fusogenicity of S proteins of omicron variants (A) Amino Acid sequence alignment of RBDs from different omicron variants. Dashed lines represent residues identical to WT. Residues of RBM are shown in red. (B and C) Cleavage of S proteins from different omicron variants. Plasmids encoding codon-optimized S proteins were transfected into HEK293T cells and the cells were then lysed at 40 h post-transfection. The expression of S proteins was detected by western blot using rabbit polyclonal anti-S2 antibodies. Actin served as the loading control. Experiments were done three times and one representative was shown. Band densities were quantified using ImageLab software to determine the cleaved/FL ratio and normalized to WT. FL S, full-length spike protein. (D) Binding of soluble hACE2 to S proteins of omicron variants. HEK293T cells transiently expressing the indicated S proteins were incubated with biotinylated hACE2 followed by Alexa Fluor 488-conjugated streptavidin and then analyzed by flow cytometry. Experiments were done three times, and one representative was shown. (E and F) Cell-cell fusion mediated by S proteins of omicron variants. HEK293T cells were co-transfected with indicated S protein and eGFP. The cells were detached with trypsin at 48h post-transfection and overlaid on the HEK293 cells expressing hACE2 or Calu3 cells. After 2 h of incubation, five randomly selected images of syncytia were captured using a fluorescent microscope. Fusion areas were quantified using ImageJ software and normalized to WT as fusion efficiency. Experiments were done three times in triplicate and one representative is shown. The statistical difference relative to WT was determined by one-way ANOVA with Dunnett’s multiple testing correction ( n = 3 for (C) and (D); n = 5 for (E) and (F)). The statistical difference between BA.2.86 and JN.1 was determined by a two-tailed t-test ( n = 3 for (C) and (D); n = 5 for (E) and (F)). Error bars indicate SEM. ∗ p < 0.05, ∗∗ p < 0.01, ∗∗∗ p < 0.001, ∗∗∗∗ p < 0.0001. Scale bar = 200μm. See also .
    Figure Legend Snippet: Receptor binding and fusogenicity of S proteins of omicron variants (A) Amino Acid sequence alignment of RBDs from different omicron variants. Dashed lines represent residues identical to WT. Residues of RBM are shown in red. (B and C) Cleavage of S proteins from different omicron variants. Plasmids encoding codon-optimized S proteins were transfected into HEK293T cells and the cells were then lysed at 40 h post-transfection. The expression of S proteins was detected by western blot using rabbit polyclonal anti-S2 antibodies. Actin served as the loading control. Experiments were done three times and one representative was shown. Band densities were quantified using ImageLab software to determine the cleaved/FL ratio and normalized to WT. FL S, full-length spike protein. (D) Binding of soluble hACE2 to S proteins of omicron variants. HEK293T cells transiently expressing the indicated S proteins were incubated with biotinylated hACE2 followed by Alexa Fluor 488-conjugated streptavidin and then analyzed by flow cytometry. Experiments were done three times, and one representative was shown. (E and F) Cell-cell fusion mediated by S proteins of omicron variants. HEK293T cells were co-transfected with indicated S protein and eGFP. The cells were detached with trypsin at 48h post-transfection and overlaid on the HEK293 cells expressing hACE2 or Calu3 cells. After 2 h of incubation, five randomly selected images of syncytia were captured using a fluorescent microscope. Fusion areas were quantified using ImageJ software and normalized to WT as fusion efficiency. Experiments were done three times in triplicate and one representative is shown. The statistical difference relative to WT was determined by one-way ANOVA with Dunnett’s multiple testing correction ( n = 3 for (C) and (D); n = 5 for (E) and (F)). The statistical difference between BA.2.86 and JN.1 was determined by a two-tailed t-test ( n = 3 for (C) and (D); n = 5 for (E) and (F)). Error bars indicate SEM. ∗ p < 0.05, ∗∗ p < 0.01, ∗∗∗ p < 0.001, ∗∗∗∗ p < 0.0001. Scale bar = 200μm. See also .

    Techniques Used: Binding Assay, Sequencing, Transfection, Expressing, Western Blot, Control, Software, Incubation, Flow Cytometry, Microscopy, Two Tailed Test

    Transduction of various omicron S pseudovirions on 293/hACE2 and Calu3 cells (A) S proteins incorporation in pseudovirions. Pseudovirions with different omicron S proteins were pelleted down by centrifugation through 20% sucrose cushion and separated in a 10% SDS-PAGE. Detection of S proteins in pseudovirions was performed by Western blot using rabbit polyclonal anti-S2 antibodies. The p24 served as the loading controls. Experiments were done three times and one representative was shown. (B and C) Entry of pseudovirions of omicron variants. HEK 293/hACE2 and Calu3 cells were transduced with omicron S pseudovirions and lysed at 40 h post-transduction. The transduction efficiencies were determined according to luciferase activities. Experiments were done three times in triplicate and one representative is shown. The statistical difference relative to WT was determined by one-way ANOVA with Dunnett’s multiple testing correction ( n = 3). The statistical difference between BA.2.86 and JN.1 was determined by a two-tailed t-test ( n = 3). Error bars indicate SEM. ∗ p < 0.05, ∗∗ p < 0.01, ∗∗∗ p < 0.001, ∗∗∗∗ p < 0.0001.
    Figure Legend Snippet: Transduction of various omicron S pseudovirions on 293/hACE2 and Calu3 cells (A) S proteins incorporation in pseudovirions. Pseudovirions with different omicron S proteins were pelleted down by centrifugation through 20% sucrose cushion and separated in a 10% SDS-PAGE. Detection of S proteins in pseudovirions was performed by Western blot using rabbit polyclonal anti-S2 antibodies. The p24 served as the loading controls. Experiments were done three times and one representative was shown. (B and C) Entry of pseudovirions of omicron variants. HEK 293/hACE2 and Calu3 cells were transduced with omicron S pseudovirions and lysed at 40 h post-transduction. The transduction efficiencies were determined according to luciferase activities. Experiments were done three times in triplicate and one representative is shown. The statistical difference relative to WT was determined by one-way ANOVA with Dunnett’s multiple testing correction ( n = 3). The statistical difference between BA.2.86 and JN.1 was determined by a two-tailed t-test ( n = 3). Error bars indicate SEM. ∗ p < 0.05, ∗∗ p < 0.01, ∗∗∗ p < 0.001, ∗∗∗∗ p < 0.0001.

    Techniques Used: Transduction, Centrifugation, SDS Page, Western Blot, Luciferase, Two Tailed Test

    Receptor binding of omicron variants to various animal ACE2s (A) Relative receptor binding efficiencies of RBDs of WT, BA.1, XBB.1.16, EG.5.1, BA.2.86, and JN.1 variants to various animal ACE2s. HEK293T transiently expressing different animal ACE2s were detached with EDTA and incubated with mouse Fc-tagged RBDs of WT, BA.1, XBB.1.16, EG.5.1, BA.2.86, or JN.1, followed by FITC-conjugated polyclonal goat anti-mouse antibodies. The cells were analyzed by flow cytometry. Receptor binding efficiencies were calculated according to WT/hACE2, set as 100%. Experiments were performed three times, and the averages are shown in the heatmap. (B) Statistic analyses of levels of receptor binding between different omicron variant S protein by Wilcoxon test. Significant differences indicated by p < 0.05 are highlighted in green background.
    Figure Legend Snippet: Receptor binding of omicron variants to various animal ACE2s (A) Relative receptor binding efficiencies of RBDs of WT, BA.1, XBB.1.16, EG.5.1, BA.2.86, and JN.1 variants to various animal ACE2s. HEK293T transiently expressing different animal ACE2s were detached with EDTA and incubated with mouse Fc-tagged RBDs of WT, BA.1, XBB.1.16, EG.5.1, BA.2.86, or JN.1, followed by FITC-conjugated polyclonal goat anti-mouse antibodies. The cells were analyzed by flow cytometry. Receptor binding efficiencies were calculated according to WT/hACE2, set as 100%. Experiments were performed three times, and the averages are shown in the heatmap. (B) Statistic analyses of levels of receptor binding between different omicron variant S protein by Wilcoxon test. Significant differences indicated by p < 0.05 are highlighted in green background.

    Techniques Used: Binding Assay, Expressing, Incubation, Flow Cytometry, Variant Assay

    Effect of L455S mutation on thermal and proteolytic stability on XBB.1.16 and BA.2.86 (A and B) Thermal stability of JN.1 compared to its parental BA.2.86 (left panel) and XBB.1.16–455S to XBB.1.16 (right panel). Pseudovirus of XBB.1.16, XBB.1.16–455S, BA.2.86 and JN.1 were centrifuged through 20% sucrose to remove serum and resuspended in serum-free DMEM, followed by incubation either at 37°C for the indicated time (A) or at the indicated temperature for 2 h (B). The virus suspension was used to transduce 293/hACE2 cells to access their remaining transduction capability. Experiments were performed three times in triplicate, and the representative one was shown. The statistical difference was determined by a multiple t-test ( n = 3). Error bars indicate SEM. ∗ p < 0.05, ∗∗ p < 0.01, ∗∗∗ p < 0.001, ∗∗∗∗ p < 0.0001. (C) Proteolytic stability of JN.1 compared to its parental BA.2.86 (left panel) and XBB.1.16–455S to XBB.1.16 (right panel). Pseudovirus of XBB.1.16, XBB.1.16–455S, BA.2.86 and JN.1 were resuspended in serum-free DMEM and incubated with soluble hACE2(20 μg) at 37°C for 30 min, followed by incubation with TPCK-treated trypsin. The mixture was immediately boiled with loading buffer containing DTT and separated in a 10% SDS-PAGE. Detection was carried out using rabbit polyclonal anti-SARS-CoV-2 S2 antibodies (1:3000). The numbers below S protein blot are the relative quantification of ratio of S2’/S2 using Image Lab (Bio-Rad). Experiments were performed at least three times, and the representative one was shown.
    Figure Legend Snippet: Effect of L455S mutation on thermal and proteolytic stability on XBB.1.16 and BA.2.86 (A and B) Thermal stability of JN.1 compared to its parental BA.2.86 (left panel) and XBB.1.16–455S to XBB.1.16 (right panel). Pseudovirus of XBB.1.16, XBB.1.16–455S, BA.2.86 and JN.1 were centrifuged through 20% sucrose to remove serum and resuspended in serum-free DMEM, followed by incubation either at 37°C for the indicated time (A) or at the indicated temperature for 2 h (B). The virus suspension was used to transduce 293/hACE2 cells to access their remaining transduction capability. Experiments were performed three times in triplicate, and the representative one was shown. The statistical difference was determined by a multiple t-test ( n = 3). Error bars indicate SEM. ∗ p < 0.05, ∗∗ p < 0.01, ∗∗∗ p < 0.001, ∗∗∗∗ p < 0.0001. (C) Proteolytic stability of JN.1 compared to its parental BA.2.86 (left panel) and XBB.1.16–455S to XBB.1.16 (right panel). Pseudovirus of XBB.1.16, XBB.1.16–455S, BA.2.86 and JN.1 were resuspended in serum-free DMEM and incubated with soluble hACE2(20 μg) at 37°C for 30 min, followed by incubation with TPCK-treated trypsin. The mixture was immediately boiled with loading buffer containing DTT and separated in a 10% SDS-PAGE. Detection was carried out using rabbit polyclonal anti-SARS-CoV-2 S2 antibodies (1:3000). The numbers below S protein blot are the relative quantification of ratio of S2’/S2 using Image Lab (Bio-Rad). Experiments were performed at least three times, and the representative one was shown.

    Techniques Used: Mutagenesis, Incubation, Virus, Suspension, Transduction, SDS Page, Quantitative Proteomics



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