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anti cxcl8 antibody  (R&D Systems)


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    R&D Systems anti cxcl8 antibody
    Anti Cxcl8 Antibody, supplied by R&D Systems, used in various techniques. Bioz Stars score: 95/100, based on 238 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/anti+human+il+8/Human+IL-8%2FCXCL8+Antibody/pm41780840-107-6-10
    Average 95 stars, based on 238 article reviews
    anti cxcl8 antibody - by Bioz Stars, 2026-09
    95/100 stars

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    Incubation:

    Article Title: The IMMENSE Study: The Interplay Between iMMune and ENdothelial Cells in Mediating Cardiovascular Risk in Systemic Lupus Erythematosus
    Article Snippet: Equal amounts of proteins (10 μg/lane) were migrated in NuPAGE BIS-TRIS by 4–12% SDS-polyacrylamide pre-cast gel electrophoresis in MOPS buffer 1× for 50 min at 200 V and transferred to nitrocellulose for 7 min using iBlot Transfer Stacks Nitrocellulose and iBlot ® Gel Transfer Device (ThermoFisher Scientific). .. Membranes were blocked for 1 h at room temperature in PBS/0.1% Tween 20 (P/T) (Bio-Rad Laboratories) containing 5% non-fat milk powder (Mellin, Milan, Italy), and incubated overnight at 4°C with 1:1,000 of anti-human IL-6 (D3K2N), anti-human MMP-9 (D6O3H), anti-human IFN- γ (3F1E3) (all from Cell Signaling Technology, Danvers, MA, USA), anti-human IL-8 (6217, R&D Systems) and 1:2,000 of anti-human α -tubulin (B-5-1-2, Sigma-Aldrich). .. After washes, membranes were incubated in PT/5% non-fat milk powder plus anti-mouse or anti-rabbit Ig-G HRP-conjugated secondary antibodies (MP Biomedicals, Santa Ana, CA, USA) for 1 h at RT and revealed using ECL Plus Detection System (ThermoFisher Scientific).

    Article Title: Fucosylated TLR4 mediates communication between mutualist fucotrophic microbiota and mammalian gut mucosa
    Article Snippet: .. Microtiter plates (96 well; Nunc-Maxisorp, Fisher Scientific, Pittsburgh, PA, United States) were coated overnight with anti-human IL-8 (R&D Systems, Minneapolis, MN, United States), and incubated for 70 min at 37°C with 100 μl of cell supernatant. .. After sequential incubations with rabbit anti-human IL-8 (Endogen, Woburn, MA, United States) followed by horseradish peroxidase (HRP)-conjugated goat anti-rabbit IgG (Biosource, Camarillo, CA, United States) and 2,2′ azino-bis (3-ethylbenz-thiazoline-6-sulfonic acid; ABTS), absorbance was measured at 405 nm.

    Article Title: Vitamin D Attenuates Pain and Cartilage Destruction in OA Animals via Enhancing Autophagic Flux and Attenuating Inflammatory Cell Death
    Article Snippet: The concentrations of IL-6, MCP-1, and IL-8 in culture supernatants were measured by DuoSet ELISA kit (R&D System). .. The 96-well plates (Nunc, Roskilde, Denmark) coated with capture antibodies for anti-human IL-6, anti-human MCP-1, or anti-human IL-8 (R&D Systems) and incubated overnight at 4°C. ..

    Article Title: Vitamin D Attenuates Pain and Cartilage Destruction in OA Animals via Enhancing Autophagic Flux and Attenuating Inflammatory Cell Death.
    Article Snippet: The concentrations of IL-6, MCP-1, and IL-8 in culture supernatants were measured by DuoSet ELISA kit (R&D System). .. The 96-well plates (Nunc, Roskilde, Denmark) coated with capture antibodies for anti-human IL-6, anti-human MCP-1, or anti-human IL-8 (R&D Systems) and incubated overnight at 4°C. ..

    Suspension:

    Article Title: Toll-Like Receptor 2-Mediated Suppression of Colorectal Cancer Pathogenesis by Polysaccharide A From Bacteroides fragilis
    Article Snippet: .. The CRC cell lines (5 × 10 3 ) were seeded in a 96-well plate, and the monolayer cells were treated with various concentrations of PSA (10, 50, or 100 μg/ml) for 24 and 48 h. For patient-derived primary-like CRC cells, the cell suspension was treated with 50 or 100 μg/ml PSA for 72 h. To neutralize IL-8 in culture media in the presence of PSA, the monoclonal anti-human IL-8 (10 μg/ml, clone 6217, R&D System, United States) was added to the cell culture. .. At specific time points, the viable cell number was determined using a cell proliferation kit (Roche, Germany) following the manufacturer’s instructions.

    Cell Culture:

    Article Title: Toll-Like Receptor 2-Mediated Suppression of Colorectal Cancer Pathogenesis by Polysaccharide A From Bacteroides fragilis
    Article Snippet: .. The CRC cell lines (5 × 10 3 ) were seeded in a 96-well plate, and the monolayer cells were treated with various concentrations of PSA (10, 50, or 100 μg/ml) for 24 and 48 h. For patient-derived primary-like CRC cells, the cell suspension was treated with 50 or 100 μg/ml PSA for 72 h. To neutralize IL-8 in culture media in the presence of PSA, the monoclonal anti-human IL-8 (10 μg/ml, clone 6217, R&D System, United States) was added to the cell culture. .. At specific time points, the viable cell number was determined using a cell proliferation kit (Roche, Germany) following the manufacturer’s instructions.



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    Evaluation of functional differences <t>between</t> <t>IL-8</t> and CXCL1 in neutrophils. ( A ) Evaluation of IL-8 and CXCL1 activity in the U2OS-CXCR1 reporter cells ( left ) and CHO-K1-CXCR2 reporter cells ( right ). ( B ) Flow cytometric analysis of CXCR1 and CXCR2 surface expression on neutrophils. ( C ) Neutrophil chemotaxis assay toward IL-8 or CXCL1. RLU, relative luminescence units. Data in ( A ) and ( C ) are presented as the mean ± SD (n = 3).
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    Evaluation of functional differences <t>between</t> <t>IL-8</t> and CXCL1 in neutrophils. ( A ) Evaluation of IL-8 and CXCL1 activity in the U2OS-CXCR1 reporter cells ( left ) and CHO-K1-CXCR2 reporter cells ( right ). ( B ) Flow cytometric analysis of CXCR1 and CXCR2 surface expression on neutrophils. ( C ) Neutrophil chemotaxis assay toward IL-8 or CXCL1. RLU, relative luminescence units. Data in ( A ) and ( C ) are presented as the mean ± SD (n = 3).
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    In vitro evaluation of lipid nanoparticles. The images of K7 cells 4 h after uptake of Cy5-DNA ( A ) or FAM-siRNA ( B ) loaded by LNP or folate targeted FA-LNP. Scale bar = 20 μm. ( C ) Cell viability of FA-LNPs and FA-LNPvp in K7 cells after incubation for 48 h. ( D ) Quantitative experiment via flow cytometry after 48 h of FA-LNP/pEGFP transfection following 24 h of folate blockade. ( E ) Observation of GFP expression under fluorescence microscopy after 48 h of FA-LNP/pEGFP transfection following 24 h of folate blockade. Scale bar = 100 μm. ( F ) Detection of VEGF mRNA expression by RT-qPCR after 24 h of FA-LNPvp transfection in K7 cells. ( G ) Verification of <t>PD-L1</t> protein expression on the surface of K7 cells by flow cytometry after 24 h of FA-LNPvp transfection. Results were expressed as means ± SD ( n = 3). * p < 0.05, **** p < 0.0001, ns = no significance
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    Image Search Results


    Evaluation of functional differences between IL-8 and CXCL1 in neutrophils. ( A ) Evaluation of IL-8 and CXCL1 activity in the U2OS-CXCR1 reporter cells ( left ) and CHO-K1-CXCR2 reporter cells ( right ). ( B ) Flow cytometric analysis of CXCR1 and CXCR2 surface expression on neutrophils. ( C ) Neutrophil chemotaxis assay toward IL-8 or CXCL1. RLU, relative luminescence units. Data in ( A ) and ( C ) are presented as the mean ± SD (n = 3).

    Journal: Scientific Reports

    Article Title: IL-8 contributes to postoperative adhesion formation through the crosstalk of neutrophils and mesothelial cells

    doi: 10.1038/s41598-026-42159-x

    Figure Lengend Snippet: Evaluation of functional differences between IL-8 and CXCL1 in neutrophils. ( A ) Evaluation of IL-8 and CXCL1 activity in the U2OS-CXCR1 reporter cells ( left ) and CHO-K1-CXCR2 reporter cells ( right ). ( B ) Flow cytometric analysis of CXCR1 and CXCR2 surface expression on neutrophils. ( C ) Neutrophil chemotaxis assay toward IL-8 or CXCL1. RLU, relative luminescence units. Data in ( A ) and ( C ) are presented as the mean ± SD (n = 3).

    Article Snippet: The concentrations of IL-8 in the tissue lysates were measured by sandwich immunoassay using two noncompetitive anti-human IL-8 antibodies (Chugai Pharmaceutical Co., Ltd.).

    Techniques: Functional Assay, Activity Assay, Expressing, Chemotaxis Assay

    Reciprocal amplification of IL-8 and TNF-α in MeT-5A cells. ( A , B ) Flow cytometric analysis of CXCR1 ( A ) and CXCR2 ( B ) surface expression on MeT-5A cells. Left: representative overlaid histograms. Right: quantification of MFI across biological replicates. P values were determined using Student’s t test. *** indicates P < 0.001. ( C ) Evaluation of TNF-α concentrations in culture medium. P values were determined using Tukey’s multiple comparison test. *** indicates P < 0.001. ( D ) Evaluation of IL-8 concentrations in culture medium. P values were determined using Williams’ test. * indicates P < 0.025. Quantitative data are presented as individual data points with mean ± SD. (n = 3).

    Journal: Scientific Reports

    Article Title: IL-8 contributes to postoperative adhesion formation through the crosstalk of neutrophils and mesothelial cells

    doi: 10.1038/s41598-026-42159-x

    Figure Lengend Snippet: Reciprocal amplification of IL-8 and TNF-α in MeT-5A cells. ( A , B ) Flow cytometric analysis of CXCR1 ( A ) and CXCR2 ( B ) surface expression on MeT-5A cells. Left: representative overlaid histograms. Right: quantification of MFI across biological replicates. P values were determined using Student’s t test. *** indicates P < 0.001. ( C ) Evaluation of TNF-α concentrations in culture medium. P values were determined using Tukey’s multiple comparison test. *** indicates P < 0.001. ( D ) Evaluation of IL-8 concentrations in culture medium. P values were determined using Williams’ test. * indicates P < 0.025. Quantitative data are presented as individual data points with mean ± SD. (n = 3).

    Article Snippet: The concentrations of IL-8 in the tissue lysates were measured by sandwich immunoassay using two noncompetitive anti-human IL-8 antibodies (Chugai Pharmaceutical Co., Ltd.).

    Techniques: Amplification, Expressing, Comparison

    Fibrotic reactions in neutrophils and MeT-5A cells. ( A ) RNA expression change of TGFB1 in neutrophils stimulated with IL-8, IL-8 + AMY109, or TNF-α. ( B ) RNA expression change of TGFB1 , COL1A1 , FN1 , CCN2 ( CTGF ), SERPINE1 (PAI-1) and VIM in MeT-5A cells stimulated with TGF-β1 (0.4, 2, 10 ng/mL), TNF-α or IL-8. Data are presented as individual data points with mean ± SD. (n = 3) P values were determined using Dunnett’s test. * and *** indicate P < 0.05 and P < 0.001, respectively.

    Journal: Scientific Reports

    Article Title: IL-8 contributes to postoperative adhesion formation through the crosstalk of neutrophils and mesothelial cells

    doi: 10.1038/s41598-026-42159-x

    Figure Lengend Snippet: Fibrotic reactions in neutrophils and MeT-5A cells. ( A ) RNA expression change of TGFB1 in neutrophils stimulated with IL-8, IL-8 + AMY109, or TNF-α. ( B ) RNA expression change of TGFB1 , COL1A1 , FN1 , CCN2 ( CTGF ), SERPINE1 (PAI-1) and VIM in MeT-5A cells stimulated with TGF-β1 (0.4, 2, 10 ng/mL), TNF-α or IL-8. Data are presented as individual data points with mean ± SD. (n = 3) P values were determined using Dunnett’s test. * and *** indicate P < 0.05 and P < 0.001, respectively.

    Article Snippet: The concentrations of IL-8 in the tissue lysates were measured by sandwich immunoassay using two noncompetitive anti-human IL-8 antibodies (Chugai Pharmaceutical Co., Ltd.).

    Techniques: RNA Expression

    Evaluation of IL-8 protein expression in injured abdominal walls from monkeys following cesarean sections (C-sections) and in postoperative adhesions (PA) model. ( A ) IL-8 concentrations in injured abdominal walls from monkeys following C-sections. Data are presented as individual data points with mean values indicated (n = 10 lesions for 0 h, 2 lesions for 6 h, Day 1, 3, 7, and 1 month). ( B ) IL-8 concentrations in injured abdominal walls from monkey PA models. Data are presented as individual data points with mean ± SD. (n = 6 lesions for 0 h, 8 lesions for 6 h, 4 lesions for Day 7) P values were determined using Steel’s test. * and ** indicate P < 0.05 and P < 0.01, respectively.

    Journal: Scientific Reports

    Article Title: IL-8 contributes to postoperative adhesion formation through the crosstalk of neutrophils and mesothelial cells

    doi: 10.1038/s41598-026-42159-x

    Figure Lengend Snippet: Evaluation of IL-8 protein expression in injured abdominal walls from monkeys following cesarean sections (C-sections) and in postoperative adhesions (PA) model. ( A ) IL-8 concentrations in injured abdominal walls from monkeys following C-sections. Data are presented as individual data points with mean values indicated (n = 10 lesions for 0 h, 2 lesions for 6 h, Day 1, 3, 7, and 1 month). ( B ) IL-8 concentrations in injured abdominal walls from monkey PA models. Data are presented as individual data points with mean ± SD. (n = 6 lesions for 0 h, 8 lesions for 6 h, 4 lesions for Day 7) P values were determined using Steel’s test. * and ** indicate P < 0.05 and P < 0.01, respectively.

    Article Snippet: The concentrations of IL-8 in the tissue lysates were measured by sandwich immunoassay using two noncompetitive anti-human IL-8 antibodies (Chugai Pharmaceutical Co., Ltd.).

    Techniques: Expressing

    Possible role of IL-8 and AMY109 in postoperative adhesion formation. IL-8 promotes neutrophil infiltration and forms a reciprocal amplification with TNF-α in mesothelial cells. Elevated TNF-α upregulates TGF-β1 in neutrophils, driving adhesion formation. Neutralization of IL-8 by AMY109 blocks neutrophil recruitment and subsequent inflammatory responses and fibrotic reactions, thereby preventing adhesion formation.

    Journal: Scientific Reports

    Article Title: IL-8 contributes to postoperative adhesion formation through the crosstalk of neutrophils and mesothelial cells

    doi: 10.1038/s41598-026-42159-x

    Figure Lengend Snippet: Possible role of IL-8 and AMY109 in postoperative adhesion formation. IL-8 promotes neutrophil infiltration and forms a reciprocal amplification with TNF-α in mesothelial cells. Elevated TNF-α upregulates TGF-β1 in neutrophils, driving adhesion formation. Neutralization of IL-8 by AMY109 blocks neutrophil recruitment and subsequent inflammatory responses and fibrotic reactions, thereby preventing adhesion formation.

    Article Snippet: The concentrations of IL-8 in the tissue lysates were measured by sandwich immunoassay using two noncompetitive anti-human IL-8 antibodies (Chugai Pharmaceutical Co., Ltd.).

    Techniques: Amplification, Neutralization

    In vitro evaluation of lipid nanoparticles. The images of K7 cells 4 h after uptake of Cy5-DNA ( A ) or FAM-siRNA ( B ) loaded by LNP or folate targeted FA-LNP. Scale bar = 20 μm. ( C ) Cell viability of FA-LNPs and FA-LNPvp in K7 cells after incubation for 48 h. ( D ) Quantitative experiment via flow cytometry after 48 h of FA-LNP/pEGFP transfection following 24 h of folate blockade. ( E ) Observation of GFP expression under fluorescence microscopy after 48 h of FA-LNP/pEGFP transfection following 24 h of folate blockade. Scale bar = 100 μm. ( F ) Detection of VEGF mRNA expression by RT-qPCR after 24 h of FA-LNPvp transfection in K7 cells. ( G ) Verification of PD-L1 protein expression on the surface of K7 cells by flow cytometry after 24 h of FA-LNPvp transfection. Results were expressed as means ± SD ( n = 3). * p < 0.05, **** p < 0.0001, ns = no significance

    Journal: Journal of Translational Medicine

    Article Title: Triple-remodeling of tumor microenvironment through hyaluronidase-assisted folate-targeted lipid nanoparticle-mediated siVEGF/siPD-L1 for enhanced tumor immunotherapy

    doi: 10.1186/s12967-026-07697-y

    Figure Lengend Snippet: In vitro evaluation of lipid nanoparticles. The images of K7 cells 4 h after uptake of Cy5-DNA ( A ) or FAM-siRNA ( B ) loaded by LNP or folate targeted FA-LNP. Scale bar = 20 μm. ( C ) Cell viability of FA-LNPs and FA-LNPvp in K7 cells after incubation for 48 h. ( D ) Quantitative experiment via flow cytometry after 48 h of FA-LNP/pEGFP transfection following 24 h of folate blockade. ( E ) Observation of GFP expression under fluorescence microscopy after 48 h of FA-LNP/pEGFP transfection following 24 h of folate blockade. Scale bar = 100 μm. ( F ) Detection of VEGF mRNA expression by RT-qPCR after 24 h of FA-LNPvp transfection in K7 cells. ( G ) Verification of PD-L1 protein expression on the surface of K7 cells by flow cytometry after 24 h of FA-LNPvp transfection. Results were expressed as means ± SD ( n = 3). * p < 0.05, **** p < 0.0001, ns = no significance

    Article Snippet: An anti-PD-L1 recombinant monoclonal antibody was purchased from BioXcell, Inc. (West Lebanon, NH, USA).

    Techniques: In Vitro, Incubation, Flow Cytometry, Transfection, Expressing, Fluorescence, Microscopy, Quantitative RT-PCR

    Combined anti-tumor mechanism of anti-angiogenic and immune checkpoint blockade therapy utilizing gene therapy. ( A ) The expression levels of VEGF mRNA in tumor tissues assessed using RT-qPCR. ( B ) Immunofluorescence labeling with CD31 positive neovascular growth within tumor tissues. Scale bar = 100 μm. ( C ) PD-L1 mRNA expression in tumor tissues quantified through RT-qPCR analysis. ( D ) Immunofluorescence labeling targeting PD-L1 within tumor tissues. Scale bar = 20 μm. Regarding the proportions of diverse immune cell subsets within tumor tissues: ( E ) CD45 + lymphocytes, ( F ) CD3 + CD8 + T cells, ( G ) PD-1 + Tim3 + CD8 + T cells within CD8 + T cell population, and ( H ) PD-1 + LAG3 + CD8 + T cells within CD8 + T cells. Results were expressed as means ± SD ( n = 6). ** p < 0.01, *** p < 0.001, **** p < 0.0001, ns = no significance

    Journal: Journal of Translational Medicine

    Article Title: Triple-remodeling of tumor microenvironment through hyaluronidase-assisted folate-targeted lipid nanoparticle-mediated siVEGF/siPD-L1 for enhanced tumor immunotherapy

    doi: 10.1186/s12967-026-07697-y

    Figure Lengend Snippet: Combined anti-tumor mechanism of anti-angiogenic and immune checkpoint blockade therapy utilizing gene therapy. ( A ) The expression levels of VEGF mRNA in tumor tissues assessed using RT-qPCR. ( B ) Immunofluorescence labeling with CD31 positive neovascular growth within tumor tissues. Scale bar = 100 μm. ( C ) PD-L1 mRNA expression in tumor tissues quantified through RT-qPCR analysis. ( D ) Immunofluorescence labeling targeting PD-L1 within tumor tissues. Scale bar = 20 μm. Regarding the proportions of diverse immune cell subsets within tumor tissues: ( E ) CD45 + lymphocytes, ( F ) CD3 + CD8 + T cells, ( G ) PD-1 + Tim3 + CD8 + T cells within CD8 + T cell population, and ( H ) PD-1 + LAG3 + CD8 + T cells within CD8 + T cells. Results were expressed as means ± SD ( n = 6). ** p < 0.01, *** p < 0.001, **** p < 0.0001, ns = no significance

    Article Snippet: An anti-PD-L1 recombinant monoclonal antibody was purchased from BioXcell, Inc. (West Lebanon, NH, USA).

    Techniques: Expressing, Quantitative RT-PCR, Immunofluorescence, Labeling

    Anti-tumor immune mechanism study of FA-LNPs and FA-LNPvp. ( A ) H&E and immunofluorescence analyses of tumor tissue sections, H&E staining, cell proliferation marker Ki67, CD4⁺ T cells (red), and CD8⁺ T cells (green). Scale bars = 100 μm for H&E, 20 μm for Ki67 and CD4/CD8 immunofluorescence. Gene expression analysis in tumor tissues by RT-qPCR, ( B ) VEGF-A mRNA, ( C ) PD-L1 mRNA, and ( D ) HAase mRNA levels. Flow cytometric quantification of tumor-infiltrating immune cells, ( E ) CD3⁺CD4⁺ T cells, ( F ) CD3⁺CD8⁺ T cells, ( G ) CD11b⁺CD80⁺F4/80⁺ M1 macrophages, and ( H ) CD11b⁺Gr1⁺ M2 macrophages. Serum cytokine concentrations by ELISA, ( I ) IL-6, ( J ) TNF-α, and (K) IFN-γ levels in mouse serum. Results were expressed as means ± SD ( n = 6). * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001

    Journal: Journal of Translational Medicine

    Article Title: Triple-remodeling of tumor microenvironment through hyaluronidase-assisted folate-targeted lipid nanoparticle-mediated siVEGF/siPD-L1 for enhanced tumor immunotherapy

    doi: 10.1186/s12967-026-07697-y

    Figure Lengend Snippet: Anti-tumor immune mechanism study of FA-LNPs and FA-LNPvp. ( A ) H&E and immunofluorescence analyses of tumor tissue sections, H&E staining, cell proliferation marker Ki67, CD4⁺ T cells (red), and CD8⁺ T cells (green). Scale bars = 100 μm for H&E, 20 μm for Ki67 and CD4/CD8 immunofluorescence. Gene expression analysis in tumor tissues by RT-qPCR, ( B ) VEGF-A mRNA, ( C ) PD-L1 mRNA, and ( D ) HAase mRNA levels. Flow cytometric quantification of tumor-infiltrating immune cells, ( E ) CD3⁺CD4⁺ T cells, ( F ) CD3⁺CD8⁺ T cells, ( G ) CD11b⁺CD80⁺F4/80⁺ M1 macrophages, and ( H ) CD11b⁺Gr1⁺ M2 macrophages. Serum cytokine concentrations by ELISA, ( I ) IL-6, ( J ) TNF-α, and (K) IFN-γ levels in mouse serum. Results were expressed as means ± SD ( n = 6). * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001

    Article Snippet: An anti-PD-L1 recombinant monoclonal antibody was purchased from BioXcell, Inc. (West Lebanon, NH, USA).

    Techniques: Immunofluorescence, Staining, Marker, Gene Expression, Quantitative RT-PCR, Enzyme-linked Immunosorbent Assay