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s100a8 9  (R&D Systems)


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    R&D Systems s100a8 9
    <t>Increased</t> <t>S100A8/9</t> expression in the skin and serum of patients with BP and AD. ( a ) Immunohistochemical analysis with anti-S100A8/9 antibody showing the expression of S100A8/9 in keratinocytes and infiltrating inflammatory cells of lesional skin of patients with BP and AD. S100A8/9 expression was not observed in the healthy skin. Scale bar: 100 μm. (b) Quantification of the expression level of S100A8/9. (control, n = 2; BP, n = 5; AD n = 2). Inter-patient heterogeneity of the expression level of S100A8/9 was observed in the BP skin samples, and representative images of both low and high S100A8/9 expression were shown in A. (c) ELISA analysis showing increased S100A8/9 concentrations in the serum of patients with BP. (control, n = 8; BP, n = 16; P = .0087, Mann-Whitney test). Data are reported as mean ± SD. AD, atopic dermatitis; BP, bullous pemphigoid.
    S100a8 9, supplied by R&D Systems, used in various techniques. Bioz Stars score: 93/100, based on 16 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/recombinant+mouse+s100a8/Recombinant+Mouse+S100A8+Protein%2C+CF/pmc13098576-222-9-12
    Average 93 stars, based on 16 article reviews
    s100a8 9 - by Bioz Stars, 2026-10
    93/100 stars

    Images

    1) Product Images from "A neuroimmune axis linking S100A8/9 to itch sensitization in both bullous pemphigoid and atopic dermatitis"

    Article Title: A neuroimmune axis linking S100A8/9 to itch sensitization in both bullous pemphigoid and atopic dermatitis

    Journal: JID Innovations

    doi: 10.1016/j.xjidi.2026.100470

    Increased S100A8/9 expression in the skin and serum of patients with BP and AD. ( a ) Immunohistochemical analysis with anti-S100A8/9 antibody showing the expression of S100A8/9 in keratinocytes and infiltrating inflammatory cells of lesional skin of patients with BP and AD. S100A8/9 expression was not observed in the healthy skin. Scale bar: 100 μm. (b) Quantification of the expression level of S100A8/9. (control, n = 2; BP, n = 5; AD n = 2). Inter-patient heterogeneity of the expression level of S100A8/9 was observed in the BP skin samples, and representative images of both low and high S100A8/9 expression were shown in A. (c) ELISA analysis showing increased S100A8/9 concentrations in the serum of patients with BP. (control, n = 8; BP, n = 16; P = .0087, Mann-Whitney test). Data are reported as mean ± SD. AD, atopic dermatitis; BP, bullous pemphigoid.
    Figure Legend Snippet: Increased S100A8/9 expression in the skin and serum of patients with BP and AD. ( a ) Immunohistochemical analysis with anti-S100A8/9 antibody showing the expression of S100A8/9 in keratinocytes and infiltrating inflammatory cells of lesional skin of patients with BP and AD. S100A8/9 expression was not observed in the healthy skin. Scale bar: 100 μm. (b) Quantification of the expression level of S100A8/9. (control, n = 2; BP, n = 5; AD n = 2). Inter-patient heterogeneity of the expression level of S100A8/9 was observed in the BP skin samples, and representative images of both low and high S100A8/9 expression were shown in A. (c) ELISA analysis showing increased S100A8/9 concentrations in the serum of patients with BP. (control, n = 8; BP, n = 16; P = .0087, Mann-Whitney test). Data are reported as mean ± SD. AD, atopic dermatitis; BP, bullous pemphigoid.

    Techniques Used: Expressing, Immunohistochemical staining, Control, Enzyme-linked Immunosorbent Assay, MANN-WHITNEY

    S100A8/9 directly activates small-diameter, nociceptive DRG sensory neurons. ( a ) Representative fluorescent images of cultured DRG sensory neurons isolated from Pirt GCaMP3/+ mice before and after S100A8/9 (100 ng/ml) application. Arrows point to sensory neurons showing increased GCaMP3 fluorescence levels after S100A8/9 application. (b) Histogram showing size distribution of S100A8/9-responsive neurons. (c–e) Representative traces of DRG neurons evoked by indicated chemicals, including S100A8/9 (100 ng/ml), S100A8 (100 ng/ml), S100A9 (100 ng/ml), capsaicin (1 μM), and KCl (75 mM) in a calcium imaging assay. All S100A8/9-sensitive neurons responded to capsaicin and KCl. The majority of S100A8- and S100A9-responsive neurons also responded to S100A8/9. The three different colors (Red, Green, and Blue) represent individual cells in C-E. (f) TAK-242 inhibited S100A8/9-induced calcium responses in sensory neurons. (n = 3 for both groups P = .018, Welch’s t -test). Data are reported as mean ± SD. AD, atopic dermatitis; BP, bullous pemphigoid; DRG, dorsal root ganglia.
    Figure Legend Snippet: S100A8/9 directly activates small-diameter, nociceptive DRG sensory neurons. ( a ) Representative fluorescent images of cultured DRG sensory neurons isolated from Pirt GCaMP3/+ mice before and after S100A8/9 (100 ng/ml) application. Arrows point to sensory neurons showing increased GCaMP3 fluorescence levels after S100A8/9 application. (b) Histogram showing size distribution of S100A8/9-responsive neurons. (c–e) Representative traces of DRG neurons evoked by indicated chemicals, including S100A8/9 (100 ng/ml), S100A8 (100 ng/ml), S100A9 (100 ng/ml), capsaicin (1 μM), and KCl (75 mM) in a calcium imaging assay. All S100A8/9-sensitive neurons responded to capsaicin and KCl. The majority of S100A8- and S100A9-responsive neurons also responded to S100A8/9. The three different colors (Red, Green, and Blue) represent individual cells in C-E. (f) TAK-242 inhibited S100A8/9-induced calcium responses in sensory neurons. (n = 3 for both groups P = .018, Welch’s t -test). Data are reported as mean ± SD. AD, atopic dermatitis; BP, bullous pemphigoid; DRG, dorsal root ganglia.

    Techniques Used: Cell Culture, Isolation, Fluorescence, Imaging

    S100A8/9 potentiate histamine-induced itch. ( a ) Subcutaneous injection of S100A8/9 (20 μg/ml) into the nape of the neck of wild-type mice does not induce scratching behavior. (n = 7 for both groups, P = .97, Welch’s t test). (b) Co-injection of S100A8/9 increased histamine (20 mM)-induced scratching behavior. (n = 11 for both groups, P = .038, Welch’s t test). Data are reported as mean ± SD.
    Figure Legend Snippet: S100A8/9 potentiate histamine-induced itch. ( a ) Subcutaneous injection of S100A8/9 (20 μg/ml) into the nape of the neck of wild-type mice does not induce scratching behavior. (n = 7 for both groups, P = .97, Welch’s t test). (b) Co-injection of S100A8/9 increased histamine (20 mM)-induced scratching behavior. (n = 11 for both groups, P = .038, Welch’s t test). Data are reported as mean ± SD.

    Techniques Used: Injection

    Related Articles

    Recombinant:

    Article Title: A single-dose Qβ VLP vaccine against S100A9 protein reduces atherosclerosis in a preclinical model.
    Article Snippet: The standard therapy for cardiovascular disease (CVD) is the administration of statins to reduce plasma cholesterol levels, but this requires lifelong treatment.. A CVD vaccine candidate that targets the pro-inflammatory mediator calprotectin by eliciting antibodies against the S100A9 protein is developed.. The vaccine, based on bacteriophage Qβ virus-like particles (VLPs) displaying S100A9 peptide epitopes, is formulated as a slow-release PLGA:VLP implant by hot–melt extrusion.

    Article Title: Epithelial Cell-Derived S100 Calcium-Binding Proteins as Key Mediators in the Hallmark Acute Neutrophil Response during Candida Vaginitis
    Article Snippet: The blots were then washed and incubated with biotinylated anti-goat or anti-sheep secondary antibodies (IgG, 0.1 μg/ml) for 1 h. After washing, the bands were labeled with streptavidin-horseradish peroxidase (HRP) conjugate and visualized with amplified opti-4CN substrate in accordance with the manufacturer's instructions (Bio-Rad). .. Recombinant mouse S100A8 and S100A9 (10 ng; R&D Systems) were included as references for the molecular weight and antibody specificity. (iv) ELISA. .. Concentrations of S100A8 and S100A9 in vaginal lavage fluids from estrogenized inoculated and uninoculated mice were determined by a standard enzyme-linked immunosorbent assay (ELISA).

    Article Title: Epithelial Cell-Derived S100 Calcium-Binding Proteins as Key Mediators in the Hallmark Acute Neutrophil Response during Candida Vaginitis
    Article Snippet: The blots were then washed and incubated with biotinylated anti-goat or anti-sheep secondary antibodies (IgG, 0.1 μg/ml) for 1 h. After washing, the bands were labeled with streptavidin-horseradish peroxidase (HRP) conjugate and visualized with amplified opti-4CN substrate in accordance with the manufacturer's instructions (Bio-Rad). .. Recombinant mouse S100A8 and S100A9 (10 ng; R&D Systems) were included as references for the molecular weight and antibody specificity. ..

    Article Title: Vaginal Epithelial Cell-Derived S100 Alarmins Induced by Candida albicans via Pattern Recognition Receptor Interactions Are Sufficient but Not Necessary for the Acute Neutrophil Response during Experimental Vaginal Candidiasis
    Article Snippet: .. Recombinant mouse S100A8 and S100A9 ( Escherichia coli -derived; available by custom order from R&D Systems) or culture supernatants containing C. albicans -derived S100A8 or S100A9 were intravaginally administered to estrogenized mice. .. Recombinant S100A8 and S100A9 (10 μg/ml, the maximal concentration possible) in PBS or vaginal gel formulation (semisolidified with 3% carboxymethylcellulose in PBS; Sigma) were delivered into the vaginal lumen in a volume of 20 μl using a pipette or a microdispenser.

    Article Title: Vaginal Epithelial Cell-Derived S100 Alarmins Induced by Candida albicans via Pattern Recognition Receptor Interactions Are Sufficient but Not Necessary for the Acute Neutrophil Response during Experimental Vaginal Candidiasis
    Article Snippet: .. Recombinant mouse S100A8 and S100A9 (Escherichia coli-derived; available by custom order from R&D Systems) or culture supernatants containing C. albicansderived S100A8 or S100A9 were intravaginally administered to estrogenized mice. .. Recombinant S100A8 and S100A9 (10 g/ml, the maximal concentration possible) in PBS or vaginal gel formulation (semisolidified with 3% carboxymethylcellulose in PBS; Sigma) were delivered into the vaginal lumen in a volume of 20 l using a pipette or a microdispenser.

    Article Title: Epithelial Cell-Derived S100 Calcium-Binding Proteins as Key Mediators in the Hallmark Acute Neutrophil Response during Candida Vaginitis
    Article Snippet: The blots were then washed and incubated with biotinylated anti-goat or anti-sheep secondary antibodies (IgG, 0.1 g/ml) for 1 h. After washing, the bands were labeled with streptavidin-horseradish peroxidase (HRP) conjugate and visualized with amplified opti-4CN substrate in accordance with the manufacturer’s instructions (Bio-Rad). .. Recombinant mouse S100A8 and S100A9 (10 ng; R&D Systems) were included as references for the molecular weight and antibody specificity. (iv) ELISA. .. Concentrations of S100A8 and S100A9 in vaginal lavage fluids from estrogenized inoculated and uninoculated mice were determined by a standard enzyme-linked immunosorbent assay (ELISA).

    Membrane:

    Article Title: A single-dose Qβ VLP vaccine against S100A9 protein reduces atherosclerosis in a preclinical model.
    Article Snippet: The standard therapy for cardiovascular disease (CVD) is the administration of statins to reduce plasma cholesterol levels, but this requires lifelong treatment.. A CVD vaccine candidate that targets the pro-inflammatory mediator calprotectin by eliciting antibodies against the S100A9 protein is developed.. The vaccine, based on bacteriophage Qβ virus-like particles (VLPs) displaying S100A9 peptide epitopes, is formulated as a slow-release PLGA:VLP implant by hot–melt extrusion.

    Pore Size:

    Article Title: A single-dose Qβ VLP vaccine against S100A9 protein reduces atherosclerosis in a preclinical model.
    Article Snippet: The standard therapy for cardiovascular disease (CVD) is the administration of statins to reduce plasma cholesterol levels, but this requires lifelong treatment.. A CVD vaccine candidate that targets the pro-inflammatory mediator calprotectin by eliciting antibodies against the S100A9 protein is developed.. The vaccine, based on bacteriophage Qβ virus-like particles (VLPs) displaying S100A9 peptide epitopes, is formulated as a slow-release PLGA:VLP implant by hot–melt extrusion.

    Molecular Weight:

    Article Title: Epithelial Cell-Derived S100 Calcium-Binding Proteins as Key Mediators in the Hallmark Acute Neutrophil Response during Candida Vaginitis
    Article Snippet: The blots were then washed and incubated with biotinylated anti-goat or anti-sheep secondary antibodies (IgG, 0.1 μg/ml) for 1 h. After washing, the bands were labeled with streptavidin-horseradish peroxidase (HRP) conjugate and visualized with amplified opti-4CN substrate in accordance with the manufacturer's instructions (Bio-Rad). .. Recombinant mouse S100A8 and S100A9 (10 ng; R&D Systems) were included as references for the molecular weight and antibody specificity. (iv) ELISA. .. Concentrations of S100A8 and S100A9 in vaginal lavage fluids from estrogenized inoculated and uninoculated mice were determined by a standard enzyme-linked immunosorbent assay (ELISA).

    Article Title: Epithelial Cell-Derived S100 Calcium-Binding Proteins as Key Mediators in the Hallmark Acute Neutrophil Response during Candida Vaginitis
    Article Snippet: The blots were then washed and incubated with biotinylated anti-goat or anti-sheep secondary antibodies (IgG, 0.1 μg/ml) for 1 h. After washing, the bands were labeled with streptavidin-horseradish peroxidase (HRP) conjugate and visualized with amplified opti-4CN substrate in accordance with the manufacturer's instructions (Bio-Rad). .. Recombinant mouse S100A8 and S100A9 (10 ng; R&D Systems) were included as references for the molecular weight and antibody specificity. ..

    Article Title: Epithelial Cell-Derived S100 Calcium-Binding Proteins as Key Mediators in the Hallmark Acute Neutrophil Response during Candida Vaginitis
    Article Snippet: The blots were then washed and incubated with biotinylated anti-goat or anti-sheep secondary antibodies (IgG, 0.1 g/ml) for 1 h. After washing, the bands were labeled with streptavidin-horseradish peroxidase (HRP) conjugate and visualized with amplified opti-4CN substrate in accordance with the manufacturer’s instructions (Bio-Rad). .. Recombinant mouse S100A8 and S100A9 (10 ng; R&D Systems) were included as references for the molecular weight and antibody specificity. (iv) ELISA. .. Concentrations of S100A8 and S100A9 in vaginal lavage fluids from estrogenized inoculated and uninoculated mice were determined by a standard enzyme-linked immunosorbent assay (ELISA).

    Enzyme-linked Immunosorbent Assay:

    Article Title: Epithelial Cell-Derived S100 Calcium-Binding Proteins as Key Mediators in the Hallmark Acute Neutrophil Response during Candida Vaginitis
    Article Snippet: The blots were then washed and incubated with biotinylated anti-goat or anti-sheep secondary antibodies (IgG, 0.1 μg/ml) for 1 h. After washing, the bands were labeled with streptavidin-horseradish peroxidase (HRP) conjugate and visualized with amplified opti-4CN substrate in accordance with the manufacturer's instructions (Bio-Rad). .. Recombinant mouse S100A8 and S100A9 (10 ng; R&D Systems) were included as references for the molecular weight and antibody specificity. (iv) ELISA. .. Concentrations of S100A8 and S100A9 in vaginal lavage fluids from estrogenized inoculated and uninoculated mice were determined by a standard enzyme-linked immunosorbent assay (ELISA).

    Article Title: Epithelial Cell-Derived S100 Calcium-Binding Proteins as Key Mediators in the Hallmark Acute Neutrophil Response during Candida Vaginitis
    Article Snippet: The blots were then washed and incubated with biotinylated anti-goat or anti-sheep secondary antibodies (IgG, 0.1 g/ml) for 1 h. After washing, the bands were labeled with streptavidin-horseradish peroxidase (HRP) conjugate and visualized with amplified opti-4CN substrate in accordance with the manufacturer’s instructions (Bio-Rad). .. Recombinant mouse S100A8 and S100A9 (10 ng; R&D Systems) were included as references for the molecular weight and antibody specificity. (iv) ELISA. .. Concentrations of S100A8 and S100A9 in vaginal lavage fluids from estrogenized inoculated and uninoculated mice were determined by a standard enzyme-linked immunosorbent assay (ELISA).

    Derivative Assay:

    Article Title: Vaginal Epithelial Cell-Derived S100 Alarmins Induced by Candida albicans via Pattern Recognition Receptor Interactions Are Sufficient but Not Necessary for the Acute Neutrophil Response during Experimental Vaginal Candidiasis
    Article Snippet: .. Recombinant mouse S100A8 and S100A9 ( Escherichia coli -derived; available by custom order from R&D Systems) or culture supernatants containing C. albicans -derived S100A8 or S100A9 were intravaginally administered to estrogenized mice. .. Recombinant S100A8 and S100A9 (10 μg/ml, the maximal concentration possible) in PBS or vaginal gel formulation (semisolidified with 3% carboxymethylcellulose in PBS; Sigma) were delivered into the vaginal lumen in a volume of 20 μl using a pipette or a microdispenser.



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    Increased S100A8/9 expression in the skin and serum of patients with BP and AD. ( a ) Immunohistochemical analysis with anti-S100A8/9 antibody showing the expression of S100A8/9 in keratinocytes and infiltrating inflammatory cells of lesional skin of patients with BP and AD. S100A8/9 expression was not observed in the healthy skin. Scale bar: 100 μm. (b) Quantification of the expression level of S100A8/9. (control, n = 2; BP, n = 5; AD n = 2). Inter-patient heterogeneity of the expression level of S100A8/9 was observed in the BP skin samples, and representative images of both low and high S100A8/9 expression were shown in A. (c) ELISA analysis showing increased S100A8/9 concentrations in the serum of patients with BP. (control, n = 8; BP, n = 16; P = .0087, Mann-Whitney test). Data are reported as mean ± SD. AD, atopic dermatitis; BP, bullous pemphigoid.

    Journal: JID Innovations

    Article Title: A neuroimmune axis linking S100A8/9 to itch sensitization in both bullous pemphigoid and atopic dermatitis

    doi: 10.1016/j.xjidi.2026.100470

    Figure Lengend Snippet: Increased S100A8/9 expression in the skin and serum of patients with BP and AD. ( a ) Immunohistochemical analysis with anti-S100A8/9 antibody showing the expression of S100A8/9 in keratinocytes and infiltrating inflammatory cells of lesional skin of patients with BP and AD. S100A8/9 expression was not observed in the healthy skin. Scale bar: 100 μm. (b) Quantification of the expression level of S100A8/9. (control, n = 2; BP, n = 5; AD n = 2). Inter-patient heterogeneity of the expression level of S100A8/9 was observed in the BP skin samples, and representative images of both low and high S100A8/9 expression were shown in A. (c) ELISA analysis showing increased S100A8/9 concentrations in the serum of patients with BP. (control, n = 8; BP, n = 16; P = .0087, Mann-Whitney test). Data are reported as mean ± SD. AD, atopic dermatitis; BP, bullous pemphigoid.

    Article Snippet: Chemicals used are listed as follows: S100A8, S100A9, and S100A8/9 (100 ng/ml, R&D Systems, 9877-S8, 2065-S9, 8916-S8), Bam8-22 (1 μM, custom synthesized by Genscript), and capsaicin (Sigma M2028, 1 μM).

    Techniques: Expressing, Immunohistochemical staining, Control, Enzyme-linked Immunosorbent Assay, MANN-WHITNEY

    S100A8/9 directly activates small-diameter, nociceptive DRG sensory neurons. ( a ) Representative fluorescent images of cultured DRG sensory neurons isolated from Pirt GCaMP3/+ mice before and after S100A8/9 (100 ng/ml) application. Arrows point to sensory neurons showing increased GCaMP3 fluorescence levels after S100A8/9 application. (b) Histogram showing size distribution of S100A8/9-responsive neurons. (c–e) Representative traces of DRG neurons evoked by indicated chemicals, including S100A8/9 (100 ng/ml), S100A8 (100 ng/ml), S100A9 (100 ng/ml), capsaicin (1 μM), and KCl (75 mM) in a calcium imaging assay. All S100A8/9-sensitive neurons responded to capsaicin and KCl. The majority of S100A8- and S100A9-responsive neurons also responded to S100A8/9. The three different colors (Red, Green, and Blue) represent individual cells in C-E. (f) TAK-242 inhibited S100A8/9-induced calcium responses in sensory neurons. (n = 3 for both groups P = .018, Welch’s t -test). Data are reported as mean ± SD. AD, atopic dermatitis; BP, bullous pemphigoid; DRG, dorsal root ganglia.

    Journal: JID Innovations

    Article Title: A neuroimmune axis linking S100A8/9 to itch sensitization in both bullous pemphigoid and atopic dermatitis

    doi: 10.1016/j.xjidi.2026.100470

    Figure Lengend Snippet: S100A8/9 directly activates small-diameter, nociceptive DRG sensory neurons. ( a ) Representative fluorescent images of cultured DRG sensory neurons isolated from Pirt GCaMP3/+ mice before and after S100A8/9 (100 ng/ml) application. Arrows point to sensory neurons showing increased GCaMP3 fluorescence levels after S100A8/9 application. (b) Histogram showing size distribution of S100A8/9-responsive neurons. (c–e) Representative traces of DRG neurons evoked by indicated chemicals, including S100A8/9 (100 ng/ml), S100A8 (100 ng/ml), S100A9 (100 ng/ml), capsaicin (1 μM), and KCl (75 mM) in a calcium imaging assay. All S100A8/9-sensitive neurons responded to capsaicin and KCl. The majority of S100A8- and S100A9-responsive neurons also responded to S100A8/9. The three different colors (Red, Green, and Blue) represent individual cells in C-E. (f) TAK-242 inhibited S100A8/9-induced calcium responses in sensory neurons. (n = 3 for both groups P = .018, Welch’s t -test). Data are reported as mean ± SD. AD, atopic dermatitis; BP, bullous pemphigoid; DRG, dorsal root ganglia.

    Article Snippet: Chemicals used are listed as follows: S100A8, S100A9, and S100A8/9 (100 ng/ml, R&D Systems, 9877-S8, 2065-S9, 8916-S8), Bam8-22 (1 μM, custom synthesized by Genscript), and capsaicin (Sigma M2028, 1 μM).

    Techniques: Cell Culture, Isolation, Fluorescence, Imaging

    S100A8/9 potentiate histamine-induced itch. ( a ) Subcutaneous injection of S100A8/9 (20 μg/ml) into the nape of the neck of wild-type mice does not induce scratching behavior. (n = 7 for both groups, P = .97, Welch’s t test). (b) Co-injection of S100A8/9 increased histamine (20 mM)-induced scratching behavior. (n = 11 for both groups, P = .038, Welch’s t test). Data are reported as mean ± SD.

    Journal: JID Innovations

    Article Title: A neuroimmune axis linking S100A8/9 to itch sensitization in both bullous pemphigoid and atopic dermatitis

    doi: 10.1016/j.xjidi.2026.100470

    Figure Lengend Snippet: S100A8/9 potentiate histamine-induced itch. ( a ) Subcutaneous injection of S100A8/9 (20 μg/ml) into the nape of the neck of wild-type mice does not induce scratching behavior. (n = 7 for both groups, P = .97, Welch’s t test). (b) Co-injection of S100A8/9 increased histamine (20 mM)-induced scratching behavior. (n = 11 for both groups, P = .038, Welch’s t test). Data are reported as mean ± SD.

    Article Snippet: Chemicals used are listed as follows: S100A8, S100A9, and S100A8/9 (100 ng/ml, R&D Systems, 9877-S8, 2065-S9, 8916-S8), Bam8-22 (1 μM, custom synthesized by Genscript), and capsaicin (Sigma M2028, 1 μM).

    Techniques: Injection