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recombinant mouse eotaxin  (R&D Systems)


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    Structured Review

    R&D Systems recombinant mouse eotaxin
    a, Representative immunofluorescence images of Iba1+ (magenta) and CD68+ (green) microglia in the cortex of aged mice treated with water or antibiotics (Abx); quantification shows a significant reduction in both Iba1 and CD68 immunoreactivity following microbiome depletion. Yellow arrows indicate double positive cells (n = 5/group). Scale bar, 50 μm. b, Schematic of the experimental design: aged mice were treated with Abx or water for 30 days, after which plasma and cortical lysates were collected for cytokine profiling using a proteome array. c, Heatmaps showing fold change in cytokine and chemokine levels in plasma (left) and cortical lysates (right) relative to water controls. Multiple inflammatory mediators were downregulated upon Abx treatment; <t>Eotaxin-1</t> (CCL11), highlighted in red, was significantly reduced in both compartments. d, Violin plots showing fold change in Eotaxin-1 abundance in plasma (top) and brain (bottom), confirming a significant reduction in circulating and central levels following microbiome depletion (plasma, n = 6/group; brain, n = 3/group). e, Schematic of rescue experiment: aged mice received antibiotics (Abx) to deplete the microbiome, in combination with either vehicle or <t>recombinant</t> Eotaxin-1 (n = 5/group). f-h, Quantification of blood vessel density (g), BrdU+ cells in the dentate gyrus (h), and CD68+ area in the cortex (i) (n = 5/group). All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01, **** P < 0.0001, Student’s t -test (a,d); ANOVA with Tukey’s multiple-comparisons post hoc test (f-h).
    Recombinant Mouse Eotaxin, supplied by R&D Systems, used in various techniques. Bioz Stars score: 94/100, based on 17 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/recombinant+eotaxin/Recombinant+Mouse+CCL11%2FEotaxin+Protein/bio_rxiv__64898__2026__02__13__705770-286-24-36
    Average 94 stars, based on 17 article reviews
    recombinant mouse eotaxin - by Bioz Stars, 2026-10
    94/100 stars

    Images

    1) Product Images from "Microbiome depletion rejuvenates the aging brain"

    Article Title: Microbiome depletion rejuvenates the aging brain

    Journal: bioRxiv

    doi: 10.64898/2026.02.13.705770

    a, Representative immunofluorescence images of Iba1+ (magenta) and CD68+ (green) microglia in the cortex of aged mice treated with water or antibiotics (Abx); quantification shows a significant reduction in both Iba1 and CD68 immunoreactivity following microbiome depletion. Yellow arrows indicate double positive cells (n = 5/group). Scale bar, 50 μm. b, Schematic of the experimental design: aged mice were treated with Abx or water for 30 days, after which plasma and cortical lysates were collected for cytokine profiling using a proteome array. c, Heatmaps showing fold change in cytokine and chemokine levels in plasma (left) and cortical lysates (right) relative to water controls. Multiple inflammatory mediators were downregulated upon Abx treatment; Eotaxin-1 (CCL11), highlighted in red, was significantly reduced in both compartments. d, Violin plots showing fold change in Eotaxin-1 abundance in plasma (top) and brain (bottom), confirming a significant reduction in circulating and central levels following microbiome depletion (plasma, n = 6/group; brain, n = 3/group). e, Schematic of rescue experiment: aged mice received antibiotics (Abx) to deplete the microbiome, in combination with either vehicle or recombinant Eotaxin-1 (n = 5/group). f-h, Quantification of blood vessel density (g), BrdU+ cells in the dentate gyrus (h), and CD68+ area in the cortex (i) (n = 5/group). All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01, **** P < 0.0001, Student’s t -test (a,d); ANOVA with Tukey’s multiple-comparisons post hoc test (f-h).
    Figure Legend Snippet: a, Representative immunofluorescence images of Iba1+ (magenta) and CD68+ (green) microglia in the cortex of aged mice treated with water or antibiotics (Abx); quantification shows a significant reduction in both Iba1 and CD68 immunoreactivity following microbiome depletion. Yellow arrows indicate double positive cells (n = 5/group). Scale bar, 50 μm. b, Schematic of the experimental design: aged mice were treated with Abx or water for 30 days, after which plasma and cortical lysates were collected for cytokine profiling using a proteome array. c, Heatmaps showing fold change in cytokine and chemokine levels in plasma (left) and cortical lysates (right) relative to water controls. Multiple inflammatory mediators were downregulated upon Abx treatment; Eotaxin-1 (CCL11), highlighted in red, was significantly reduced in both compartments. d, Violin plots showing fold change in Eotaxin-1 abundance in plasma (top) and brain (bottom), confirming a significant reduction in circulating and central levels following microbiome depletion (plasma, n = 6/group; brain, n = 3/group). e, Schematic of rescue experiment: aged mice received antibiotics (Abx) to deplete the microbiome, in combination with either vehicle or recombinant Eotaxin-1 (n = 5/group). f-h, Quantification of blood vessel density (g), BrdU+ cells in the dentate gyrus (h), and CD68+ area in the cortex (i) (n = 5/group). All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01, **** P < 0.0001, Student’s t -test (a,d); ANOVA with Tukey’s multiple-comparisons post hoc test (f-h).

    Techniques Used: Immunofluorescence, Clinical Proteomics, Recombinant

    a, Schematic of the experimental design: aged mice were treated with either control IgG or an anti–eotaxin-1 neutralizing antibody for 30 days (Control, n = 3, Eotaxin Ab, n = 5). b, Representative CD31 immunostaining and quantification showing increased blood vessel density in the cortex of Eotaxin-1–inhibited mice. c, BrdU labeling (green, arrows) of proliferating cells in the DG and quantification of BrdU+ cells reveals enhanced adult neurogenesis following Eotaxin-1 inhibition. d, Immunofluorescence for Iba1 (magenta) and CD68 (green) shows reduced microglial activation in Eotaxin-1–treated mice. Yellow arrows indicate double positive cells. e, Quantification of myelinating oligodendrocyte precursor cells (Pdgfra+, green) in the corpus callosum (highlighted in white) indicates increased myelination upon Eotaxin-1 blockade. Scale bars: 100 μm (b), 50 μm (c,d), 500 μm (e). f, Schematic of behavioral test design: aged mice treated with Rat IgG or Eotaxin-1 antibody were tested for locomotor function and anxiety using the Open Field (OF) test, and their memory was assessed using the novel object recognition test (NOR) test. g, Time (sec) and distance spent (m) in the center or periphery of the arena during the OF test. h, Discrimination index, exploration time (sec) and total distance travelled (m) in the NOR test (n = 7/control; 10/Eotaxin-1 antibody). All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01, Student’s t -test.
    Figure Legend Snippet: a, Schematic of the experimental design: aged mice were treated with either control IgG or an anti–eotaxin-1 neutralizing antibody for 30 days (Control, n = 3, Eotaxin Ab, n = 5). b, Representative CD31 immunostaining and quantification showing increased blood vessel density in the cortex of Eotaxin-1–inhibited mice. c, BrdU labeling (green, arrows) of proliferating cells in the DG and quantification of BrdU+ cells reveals enhanced adult neurogenesis following Eotaxin-1 inhibition. d, Immunofluorescence for Iba1 (magenta) and CD68 (green) shows reduced microglial activation in Eotaxin-1–treated mice. Yellow arrows indicate double positive cells. e, Quantification of myelinating oligodendrocyte precursor cells (Pdgfra+, green) in the corpus callosum (highlighted in white) indicates increased myelination upon Eotaxin-1 blockade. Scale bars: 100 μm (b), 50 μm (c,d), 500 μm (e). f, Schematic of behavioral test design: aged mice treated with Rat IgG or Eotaxin-1 antibody were tested for locomotor function and anxiety using the Open Field (OF) test, and their memory was assessed using the novel object recognition test (NOR) test. g, Time (sec) and distance spent (m) in the center or periphery of the arena during the OF test. h, Discrimination index, exploration time (sec) and total distance travelled (m) in the NOR test (n = 7/control; 10/Eotaxin-1 antibody). All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01, Student’s t -test.

    Techniques Used: Control, Immunostaining, Labeling, Inhibition, Immunofluorescence, Activation Assay

    a, Flow cytometry analysis of peripheral blood from aged mice showing the frequency of major immune cell populations, including eosinophils, following Abx treatment. b, Representative images of CD170+ eosinophils (green) in the intestinal epithelium of young, aged control, and aged Abx-treated mice. c, Quantification of CD170+ eosinophils normalized to intestinal villus area in young, aged control, and aged Abx-treated mice (n = 4/group). d, Quantification of CD170+ eosinophils in the intestinal villi of aged mice treated with water + PBS or Abx + Eotaxin-1 (n = 3 control, n = 4 Abx + Eotaxin). White arrows indicate CD170 positive cells. Scale bar 100 µm. All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01. ANOVA with Tukey’s multiple-comparisons post hoc test (c), Student’s t -test (d).
    Figure Legend Snippet: a, Flow cytometry analysis of peripheral blood from aged mice showing the frequency of major immune cell populations, including eosinophils, following Abx treatment. b, Representative images of CD170+ eosinophils (green) in the intestinal epithelium of young, aged control, and aged Abx-treated mice. c, Quantification of CD170+ eosinophils normalized to intestinal villus area in young, aged control, and aged Abx-treated mice (n = 4/group). d, Quantification of CD170+ eosinophils in the intestinal villi of aged mice treated with water + PBS or Abx + Eotaxin-1 (n = 3 control, n = 4 Abx + Eotaxin). White arrows indicate CD170 positive cells. Scale bar 100 µm. All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01. ANOVA with Tukey’s multiple-comparisons post hoc test (c), Student’s t -test (d).

    Techniques Used: Flow Cytometry, Control

    Related Articles

    Recombinant:

    Article Title: Role of Eotaxin-1 (CCL11) and CC Chemokine Receptor 3 (CCR3) in Bleomycin-Induced Lung Injury and Fibrosis
    Article Snippet: .. Recombinant eotaxin-1/CCL11 (400 or 200 ng) (rCCL11; R&D Systems) were diluted in 50 l of PBS supplemented with 0.1% of CBA/J mouse serum and delivered endotracheally in saline- or blm-treated CBA/J mice by trans-oral instillation two to three times/week (starting 1 day before saline or blm administration, 0.02 U/mouse; Figure 1C, solid arrows). ..

    Article Title: Vaginal heat shock protein expression in symptom-free women with a history of recurrent vulvovaginitis.
    Article Snippet: .. The values were converted to picograms per milliliter by reference to a standard curve generated with purified recombinant eotaxin (R & D Systems). ..

    Article Title: In vitro toxicity evaluation of diesel exhaust particles on human eosinophilic cell.
    Article Snippet: MCP-1 protein was measured in cultured supernatants using a commercial solid phase quantitative sandwich ELISA kit for MCP-1 (R&D SYSTEMS, Minneapolis, MN) according to the manufacturer’s descriptions. .. Df-HL-60 clone 15 cells (5 106 cells/ml; 5 ml) were pretreated with either medium or N-acetyl L-cysteine (NAC) (Wako Pure Chemicals Ltd., Tokyo) (5 mM) for 1 h and then stimulated with human recombinant eotaxin (R&D SYSTEMS) (100 ng/ml) for 1 h at 37 C in 1.5% CO2. ..

    Article Title: Functional expression of the eotaxin receptor CCR3 in CD30+ cutaneous T-cell lymphoma.
    Article Snippet: Little is known about mechanisms involved in skin-specific homing of cutaneous T-cell lymphoma (CTCL).. Chemokine/ chemokine receptor interactions have been implicated in the homing of lymphoma cells to various tissue sites.. We investigated tissue samples and tumor cell suspensions of patients with CD30 CTCL (n 8) and CD30 CTCL (mycosis fungoides, n 6; Sézary syndrome, n 6) for expression of the chemokine receptors CCR3, CCR4, and CCR8 and the CCR3 ligands eotaxin/CCL11, monocyte chemoattractant protein 3 (MCP-3)/CCL7, and RANTES (regulated on activation, normal T expressed and secreted)/CCL5.

    Article Title: Inhibition of allergen-induced eosinophil recruitment by natural tetranortriterpenoids is mediated by the suppression of IL-5, CCL11/eotaxin and NFkappaB activation.
    Article Snippet: The present study reports the anti-allergic activity of a group of six different tetranortriterpenoids (TNTP) isolated from the seeds of Carapa guianensis Aublet: 6a-acetoxygedunin, 7-deacetoxy-7-oxogedunin, andirobin, methyl angolensate, 6aacetoxyepoxyazadiradione and gedunin.. Oral pretreatment with TNTP significantly inhibited total leukocyte and eosinophil accumulation in C57BL/10 mice pleural cavities 24 h after the intrathoracic (i.t.) injection of ovalbumin (OVA), but had no effect on CD4, CD8 or gy T lymphocyte accumulation.. Pleural washes recovered from 6 h OVA-stimulated mice (OPW) pretreated with TNTP failed to induce shape change in eosinophil in vitro, indicating the inhibition of eosinophilotactic chemokines by TNTP.

    Article Title: Role of Leptin/Osteopontin Axis in the Function of Eosinophils in Allergic Rhinitis with Obesity
    Article Snippet: Different concentrations of recombinant OPN (R&D systems, 0.1–1 μ g/mL), leptin (R&D systems, 0.1–1 μ g/mL), or inhibitors were incubated with eosinophil (10 5 /mL) treated with or without anti-OPN antibody (R&D systems, 1 μ g/mL) in 24-well transwell system. .. Recombinant eotaxin (R&D systems) was used as positive control of chemotaxis analysis. ..

    Crocin Bleaching Assay:

    Article Title: Role of Eotaxin-1 (CCL11) and CC Chemokine Receptor 3 (CCR3) in Bleomycin-Induced Lung Injury and Fibrosis
    Article Snippet: .. Recombinant eotaxin-1/CCL11 (400 or 200 ng) (rCCL11; R&D Systems) were diluted in 50 l of PBS supplemented with 0.1% of CBA/J mouse serum and delivered endotracheally in saline- or blm-treated CBA/J mice by trans-oral instillation two to three times/week (starting 1 day before saline or blm administration, 0.02 U/mouse; Figure 1C, solid arrows). ..

    Saline:

    Article Title: Role of Eotaxin-1 (CCL11) and CC Chemokine Receptor 3 (CCR3) in Bleomycin-Induced Lung Injury and Fibrosis
    Article Snippet: .. Recombinant eotaxin-1/CCL11 (400 or 200 ng) (rCCL11; R&D Systems) were diluted in 50 l of PBS supplemented with 0.1% of CBA/J mouse serum and delivered endotracheally in saline- or blm-treated CBA/J mice by trans-oral instillation two to three times/week (starting 1 day before saline or blm administration, 0.02 U/mouse; Figure 1C, solid arrows). ..

    Generated:

    Article Title: Vaginal heat shock protein expression in symptom-free women with a history of recurrent vulvovaginitis.
    Article Snippet: .. The values were converted to picograms per milliliter by reference to a standard curve generated with purified recombinant eotaxin (R & D Systems). ..

    Purification:

    Article Title: Vaginal heat shock protein expression in symptom-free women with a history of recurrent vulvovaginitis.
    Article Snippet: .. The values were converted to picograms per milliliter by reference to a standard curve generated with purified recombinant eotaxin (R & D Systems). ..

    Pore Size:

    Article Title: Functional expression of the eotaxin receptor CCR3 in CD30+ cutaneous T-cell lymphoma.
    Article Snippet: Little is known about mechanisms involved in skin-specific homing of cutaneous T-cell lymphoma (CTCL).. Chemokine/ chemokine receptor interactions have been implicated in the homing of lymphoma cells to various tissue sites.. We investigated tissue samples and tumor cell suspensions of patients with CD30 CTCL (n 8) and CD30 CTCL (mycosis fungoides, n 6; Sézary syndrome, n 6) for expression of the chemokine receptors CCR3, CCR4, and CCR8 and the CCR3 ligands eotaxin/CCL11, monocyte chemoattractant protein 3 (MCP-3)/CCL7, and RANTES (regulated on activation, normal T expressed and secreted)/CCL5.

    Positive Control:

    Article Title: Role of Leptin/Osteopontin Axis in the Function of Eosinophils in Allergic Rhinitis with Obesity
    Article Snippet: Different concentrations of recombinant OPN (R&D systems, 0.1–1 μ g/mL), leptin (R&D systems, 0.1–1 μ g/mL), or inhibitors were incubated with eosinophil (10 5 /mL) treated with or without anti-OPN antibody (R&D systems, 1 μ g/mL) in 24-well transwell system. .. Recombinant eotaxin (R&D systems) was used as positive control of chemotaxis analysis. ..

    Chemotaxis Assay:

    Article Title: Role of Leptin/Osteopontin Axis in the Function of Eosinophils in Allergic Rhinitis with Obesity
    Article Snippet: Different concentrations of recombinant OPN (R&D systems, 0.1–1 μ g/mL), leptin (R&D systems, 0.1–1 μ g/mL), or inhibitors were incubated with eosinophil (10 5 /mL) treated with or without anti-OPN antibody (R&D systems, 1 μ g/mL) in 24-well transwell system. .. Recombinant eotaxin (R&D systems) was used as positive control of chemotaxis analysis. ..



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    a, Representative immunofluorescence images of Iba1+ (magenta) and CD68+ (green) microglia in the cortex of aged mice treated with water or antibiotics (Abx); quantification shows a significant reduction in both Iba1 and CD68 immunoreactivity following microbiome depletion. Yellow arrows indicate double positive cells (n = 5/group). Scale bar, 50 μm. b, Schematic of the experimental design: aged mice were treated with Abx or water for 30 days, after which plasma and cortical lysates were collected for cytokine profiling using a proteome array. c, Heatmaps showing fold change in cytokine and chemokine levels in plasma (left) and cortical lysates (right) relative to water controls. Multiple inflammatory mediators were downregulated upon Abx treatment; Eotaxin-1 (CCL11), highlighted in red, was significantly reduced in both compartments. d, Violin plots showing fold change in Eotaxin-1 abundance in plasma (top) and brain (bottom), confirming a significant reduction in circulating and central levels following microbiome depletion (plasma, n = 6/group; brain, n = 3/group). e, Schematic of rescue experiment: aged mice received antibiotics (Abx) to deplete the microbiome, in combination with either vehicle or recombinant Eotaxin-1 (n = 5/group). f-h, Quantification of blood vessel density (g), BrdU+ cells in the dentate gyrus (h), and CD68+ area in the cortex (i) (n = 5/group). All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01, **** P < 0.0001, Student’s t -test (a,d); ANOVA with Tukey’s multiple-comparisons post hoc test (f-h).

    Journal: bioRxiv

    Article Title: Microbiome depletion rejuvenates the aging brain

    doi: 10.64898/2026.02.13.705770

    Figure Lengend Snippet: a, Representative immunofluorescence images of Iba1+ (magenta) and CD68+ (green) microglia in the cortex of aged mice treated with water or antibiotics (Abx); quantification shows a significant reduction in both Iba1 and CD68 immunoreactivity following microbiome depletion. Yellow arrows indicate double positive cells (n = 5/group). Scale bar, 50 μm. b, Schematic of the experimental design: aged mice were treated with Abx or water for 30 days, after which plasma and cortical lysates were collected for cytokine profiling using a proteome array. c, Heatmaps showing fold change in cytokine and chemokine levels in plasma (left) and cortical lysates (right) relative to water controls. Multiple inflammatory mediators were downregulated upon Abx treatment; Eotaxin-1 (CCL11), highlighted in red, was significantly reduced in both compartments. d, Violin plots showing fold change in Eotaxin-1 abundance in plasma (top) and brain (bottom), confirming a significant reduction in circulating and central levels following microbiome depletion (plasma, n = 6/group; brain, n = 3/group). e, Schematic of rescue experiment: aged mice received antibiotics (Abx) to deplete the microbiome, in combination with either vehicle or recombinant Eotaxin-1 (n = 5/group). f-h, Quantification of blood vessel density (g), BrdU+ cells in the dentate gyrus (h), and CD68+ area in the cortex (i) (n = 5/group). All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01, **** P < 0.0001, Student’s t -test (a,d); ANOVA with Tukey’s multiple-comparisons post hoc test (f-h).

    Article Snippet: For overexpression experiments, a separate cohort of 23-month-old C57BL/6J mice was treated with antibiotics for 30 days (as above) and concurrently injected intraperitoneally with recombinant mouse Eotaxin (10 ng/g body weight in PBS (2 μg/ml stock; R&D Systems, 420ME020) every 3 days.

    Techniques: Immunofluorescence, Clinical Proteomics, Recombinant

    a, Schematic of the experimental design: aged mice were treated with either control IgG or an anti–eotaxin-1 neutralizing antibody for 30 days (Control, n = 3, Eotaxin Ab, n = 5). b, Representative CD31 immunostaining and quantification showing increased blood vessel density in the cortex of Eotaxin-1–inhibited mice. c, BrdU labeling (green, arrows) of proliferating cells in the DG and quantification of BrdU+ cells reveals enhanced adult neurogenesis following Eotaxin-1 inhibition. d, Immunofluorescence for Iba1 (magenta) and CD68 (green) shows reduced microglial activation in Eotaxin-1–treated mice. Yellow arrows indicate double positive cells. e, Quantification of myelinating oligodendrocyte precursor cells (Pdgfra+, green) in the corpus callosum (highlighted in white) indicates increased myelination upon Eotaxin-1 blockade. Scale bars: 100 μm (b), 50 μm (c,d), 500 μm (e). f, Schematic of behavioral test design: aged mice treated with Rat IgG or Eotaxin-1 antibody were tested for locomotor function and anxiety using the Open Field (OF) test, and their memory was assessed using the novel object recognition test (NOR) test. g, Time (sec) and distance spent (m) in the center or periphery of the arena during the OF test. h, Discrimination index, exploration time (sec) and total distance travelled (m) in the NOR test (n = 7/control; 10/Eotaxin-1 antibody). All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01, Student’s t -test.

    Journal: bioRxiv

    Article Title: Microbiome depletion rejuvenates the aging brain

    doi: 10.64898/2026.02.13.705770

    Figure Lengend Snippet: a, Schematic of the experimental design: aged mice were treated with either control IgG or an anti–eotaxin-1 neutralizing antibody for 30 days (Control, n = 3, Eotaxin Ab, n = 5). b, Representative CD31 immunostaining and quantification showing increased blood vessel density in the cortex of Eotaxin-1–inhibited mice. c, BrdU labeling (green, arrows) of proliferating cells in the DG and quantification of BrdU+ cells reveals enhanced adult neurogenesis following Eotaxin-1 inhibition. d, Immunofluorescence for Iba1 (magenta) and CD68 (green) shows reduced microglial activation in Eotaxin-1–treated mice. Yellow arrows indicate double positive cells. e, Quantification of myelinating oligodendrocyte precursor cells (Pdgfra+, green) in the corpus callosum (highlighted in white) indicates increased myelination upon Eotaxin-1 blockade. Scale bars: 100 μm (b), 50 μm (c,d), 500 μm (e). f, Schematic of behavioral test design: aged mice treated with Rat IgG or Eotaxin-1 antibody were tested for locomotor function and anxiety using the Open Field (OF) test, and their memory was assessed using the novel object recognition test (NOR) test. g, Time (sec) and distance spent (m) in the center or periphery of the arena during the OF test. h, Discrimination index, exploration time (sec) and total distance travelled (m) in the NOR test (n = 7/control; 10/Eotaxin-1 antibody). All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01, Student’s t -test.

    Article Snippet: For overexpression experiments, a separate cohort of 23-month-old C57BL/6J mice was treated with antibiotics for 30 days (as above) and concurrently injected intraperitoneally with recombinant mouse Eotaxin (10 ng/g body weight in PBS (2 μg/ml stock; R&D Systems, 420ME020) every 3 days.

    Techniques: Control, Immunostaining, Labeling, Inhibition, Immunofluorescence, Activation Assay

    a, Flow cytometry analysis of peripheral blood from aged mice showing the frequency of major immune cell populations, including eosinophils, following Abx treatment. b, Representative images of CD170+ eosinophils (green) in the intestinal epithelium of young, aged control, and aged Abx-treated mice. c, Quantification of CD170+ eosinophils normalized to intestinal villus area in young, aged control, and aged Abx-treated mice (n = 4/group). d, Quantification of CD170+ eosinophils in the intestinal villi of aged mice treated with water + PBS or Abx + Eotaxin-1 (n = 3 control, n = 4 Abx + Eotaxin). White arrows indicate CD170 positive cells. Scale bar 100 µm. All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01. ANOVA with Tukey’s multiple-comparisons post hoc test (c), Student’s t -test (d).

    Journal: bioRxiv

    Article Title: Microbiome depletion rejuvenates the aging brain

    doi: 10.64898/2026.02.13.705770

    Figure Lengend Snippet: a, Flow cytometry analysis of peripheral blood from aged mice showing the frequency of major immune cell populations, including eosinophils, following Abx treatment. b, Representative images of CD170+ eosinophils (green) in the intestinal epithelium of young, aged control, and aged Abx-treated mice. c, Quantification of CD170+ eosinophils normalized to intestinal villus area in young, aged control, and aged Abx-treated mice (n = 4/group). d, Quantification of CD170+ eosinophils in the intestinal villi of aged mice treated with water + PBS or Abx + Eotaxin-1 (n = 3 control, n = 4 Abx + Eotaxin). White arrows indicate CD170 positive cells. Scale bar 100 µm. All data represented as mean ± s.e.m.; * P < 0.05, ** P < 0.01. ANOVA with Tukey’s multiple-comparisons post hoc test (c), Student’s t -test (d).

    Article Snippet: For overexpression experiments, a separate cohort of 23-month-old C57BL/6J mice was treated with antibiotics for 30 days (as above) and concurrently injected intraperitoneally with recombinant mouse Eotaxin (10 ng/g body weight in PBS (2 μg/ml stock; R&D Systems, 420ME020) every 3 days.

    Techniques: Flow Cytometry, Control

    Eosinophils play a protective role in CAUTI. At 2 dpi, single cells were isolated from the bladder mucosa of CAUTI mice. The percentages of eosinophils and neutrophils were measured by flow cytometry to assess the effects of E64 treatment ( A ) or eotaxin ( B ) as compared to mock. Total CFU recovered 2 dpi were quantified for catheter, bladder, and kidney for treatment by eotaxin ( C–E ), by a-IL-5 ( F–H ), or by CCR3 antagonist SB328437 ( I–K ). Each symbol represents an individual mouse, and symbols touching the dashed lines indicate values below the limit of detection (LOD, 40 CFU). Horizontal lines indicate mean values; error bars represent SEM. All data are from ≥3 biological replicates. Statistical comparisons were performed using a two-tailed unpaired Student’s t-test. * P < 0.05. Normality was assessed using the Shapiro-Wilk test.

    Journal: mBio

    Article Title: Host cysteine proteases promote the severity of catheter-associated urinary tract infection and kidney fibrosis

    doi: 10.1128/mbio.02161-25

    Figure Lengend Snippet: Eosinophils play a protective role in CAUTI. At 2 dpi, single cells were isolated from the bladder mucosa of CAUTI mice. The percentages of eosinophils and neutrophils were measured by flow cytometry to assess the effects of E64 treatment ( A ) or eotaxin ( B ) as compared to mock. Total CFU recovered 2 dpi were quantified for catheter, bladder, and kidney for treatment by eotaxin ( C–E ), by a-IL-5 ( F–H ), or by CCR3 antagonist SB328437 ( I–K ). Each symbol represents an individual mouse, and symbols touching the dashed lines indicate values below the limit of detection (LOD, 40 CFU). Horizontal lines indicate mean values; error bars represent SEM. All data are from ≥3 biological replicates. Statistical comparisons were performed using a two-tailed unpaired Student’s t-test. * P < 0.05. Normality was assessed using the Shapiro-Wilk test.

    Article Snippet: For drug therapy, E64 (Roche, 10874523001), anti-mouse IL-5 (BD Pharmingen, 554393), SB 328437 (CCR3 antagonist, Sigma, 247580-43-4), and mouse eotaxin (R&D systems, 420-ME) were dissolved in PBS according to the manufacturers’ recommendations to achieve the concentration stated in the text.

    Techniques: Isolation, Flow Cytometry, Two Tailed Test