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    Alomone Labs ep4
    Bio-Rad primers used for quantitative real-time PCR
    Ep4, supplied by Alomone Labs, used in various techniques. Bioz Stars score: 91/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Bio-Rad primers used for quantitative real-time PCR

    Journal: Digestive Diseases and Sciences

    Article Title: Involvement of EP2 and EP4 Receptors in Eosinophilic Esophagitis: A Pilot Study

    doi: 10.1007/s10620-019-05623-5

    Figure Lengend Snippet: Bio-Rad primers used for quantitative real-time PCR

    Article Snippet: Sections were incubated with rabbit polyclonal antibodies against EP2 (1:500) (Alomone Labs, Jerusalem, Israel), EP4 (1:500), and DP1 (1:100) (Cayman Chemicals), visualized with 3-3′-diaminobenzidine (DAB) or Vector ® ImmPact™ NovaRED HRP substrate kit according to the manufacturer’s protocol (Vector Laboratories), and counterstained with hematoxylin.

    Techniques:

    Flow cytometric evaluation of EP (EP1–4) and DP (DP1, DP2) receptor expression in human blood eosinophils. Changes in receptor expression were recorded as mean fluorescence intensity and data are expressed as fold increase in fluorescence over isotype control. Expression levels of EP2 and EP4 are significantly lower in patients with eosinophilic esophagitis (EoE) compared to healthy control subjects (control). Expression levels of EP1, EP3, DP1, and DP2 do not differ between EoE and controls. Values are mean ± SEM; Student’s t test; n = 6–7. * p < 0.05, ** p < 0.01

    Journal: Digestive Diseases and Sciences

    Article Title: Involvement of EP2 and EP4 Receptors in Eosinophilic Esophagitis: A Pilot Study

    doi: 10.1007/s10620-019-05623-5

    Figure Lengend Snippet: Flow cytometric evaluation of EP (EP1–4) and DP (DP1, DP2) receptor expression in human blood eosinophils. Changes in receptor expression were recorded as mean fluorescence intensity and data are expressed as fold increase in fluorescence over isotype control. Expression levels of EP2 and EP4 are significantly lower in patients with eosinophilic esophagitis (EoE) compared to healthy control subjects (control). Expression levels of EP1, EP3, DP1, and DP2 do not differ between EoE and controls. Values are mean ± SEM; Student’s t test; n = 6–7. * p < 0.05, ** p < 0.01

    Article Snippet: Sections were incubated with rabbit polyclonal antibodies against EP2 (1:500) (Alomone Labs, Jerusalem, Israel), EP4 (1:500), and DP1 (1:100) (Cayman Chemicals), visualized with 3-3′-diaminobenzidine (DAB) or Vector ® ImmPact™ NovaRED HRP substrate kit according to the manufacturer’s protocol (Vector Laboratories), and counterstained with hematoxylin.

    Techniques: Expressing, Fluorescence

    Chemotaxis and adhesion assays with human blood eosinophils. Eosinophils from healthy donors were incubated with 100 nM of EP4 agonist ONO-AE1-329 or with 100 nM of the EP4 antagonist ONO-AE3-208 ( a ), with 100 and 300 nM of EP2 agonist butaprost ( b ), or with 100 nM of DP1 agonist BW245C and 1 µM of DP1 antagonist MK0524 ( c ), and chemotaxis was assessed using esophageal epithelial cell supernatant for chemoattraction. n = 6–12 (for a , and b ) and n = 3 ( c ); values are mean ± SEM; one-way ANOVA; Tukey’s post hoc test. *** p values < 0.001. Adhesion assays were performed with human blood eosinophils and esophageal epithelial cells after incubation of eosinophils with EP4 agonist ONO-AE1-329 ( d ), EP2 agonist butaprost ( e ), and with DP1 agonist BW245C ( f ) vs. untreated eosinophils (control; set at 100%). n = 5–7; values are mean ± SEM; one-way ANOVA; Tukey’s post hoc test. * p < 0.05; ** p < 0.01

    Journal: Digestive Diseases and Sciences

    Article Title: Involvement of EP2 and EP4 Receptors in Eosinophilic Esophagitis: A Pilot Study

    doi: 10.1007/s10620-019-05623-5

    Figure Lengend Snippet: Chemotaxis and adhesion assays with human blood eosinophils. Eosinophils from healthy donors were incubated with 100 nM of EP4 agonist ONO-AE1-329 or with 100 nM of the EP4 antagonist ONO-AE3-208 ( a ), with 100 and 300 nM of EP2 agonist butaprost ( b ), or with 100 nM of DP1 agonist BW245C and 1 µM of DP1 antagonist MK0524 ( c ), and chemotaxis was assessed using esophageal epithelial cell supernatant for chemoattraction. n = 6–12 (for a , and b ) and n = 3 ( c ); values are mean ± SEM; one-way ANOVA; Tukey’s post hoc test. *** p values < 0.001. Adhesion assays were performed with human blood eosinophils and esophageal epithelial cells after incubation of eosinophils with EP4 agonist ONO-AE1-329 ( d ), EP2 agonist butaprost ( e ), and with DP1 agonist BW245C ( f ) vs. untreated eosinophils (control; set at 100%). n = 5–7; values are mean ± SEM; one-way ANOVA; Tukey’s post hoc test. * p < 0.05; ** p < 0.01

    Article Snippet: Sections were incubated with rabbit polyclonal antibodies against EP2 (1:500) (Alomone Labs, Jerusalem, Israel), EP4 (1:500), and DP1 (1:100) (Cayman Chemicals), visualized with 3-3′-diaminobenzidine (DAB) or Vector ® ImmPact™ NovaRED HRP substrate kit according to the manufacturer’s protocol (Vector Laboratories), and counterstained with hematoxylin.

    Techniques: Chemotaxis Assay, Incubation

    Immunohistochemistry shows strong DP1 staining in eosinophils ( a , arrows ), while epithelial cells in esophageal mucosal biopsies are practically devoid of staining. EP4 ( b ) and EP2 ( c ) immunostaining is prominent in eosinophils ( arrows ) but also visible in epithelial cells ( arrowheads ). 3-3′-Diaminobenzidine (DAB) was used as visualization substrate for DP1 and EP4 staining (brown precipitates), while for EP2, ImmPact™ NovaRED substrate was used (red precipitate). Calibration bar: 50 µm

    Journal: Digestive Diseases and Sciences

    Article Title: Involvement of EP2 and EP4 Receptors in Eosinophilic Esophagitis: A Pilot Study

    doi: 10.1007/s10620-019-05623-5

    Figure Lengend Snippet: Immunohistochemistry shows strong DP1 staining in eosinophils ( a , arrows ), while epithelial cells in esophageal mucosal biopsies are practically devoid of staining. EP4 ( b ) and EP2 ( c ) immunostaining is prominent in eosinophils ( arrows ) but also visible in epithelial cells ( arrowheads ). 3-3′-Diaminobenzidine (DAB) was used as visualization substrate for DP1 and EP4 staining (brown precipitates), while for EP2, ImmPact™ NovaRED substrate was used (red precipitate). Calibration bar: 50 µm

    Article Snippet: Sections were incubated with rabbit polyclonal antibodies against EP2 (1:500) (Alomone Labs, Jerusalem, Israel), EP4 (1:500), and DP1 (1:100) (Cayman Chemicals), visualized with 3-3′-diaminobenzidine (DAB) or Vector ® ImmPact™ NovaRED HRP substrate kit according to the manufacturer’s protocol (Vector Laboratories), and counterstained with hematoxylin.

    Techniques: Immunohistochemistry, Staining, Immunostaining

    ECIS ® cell impedance assays were performed in esophageal epithelial cells with 10 and 300 nM of EP4 agonist ONO-AE1-329 ( a ) and EP2 agonist butaprost ( b ) (or medium as control). The decrease in resistance correlates with a loss in the monolayer’s integrity indicative of cell barrier decrease. n = 5–9; values are mean ± SEM; one-way-ANOVA; Tukey’s post hoc test; * p < 0.05; *** p < 0.001

    Journal: Digestive Diseases and Sciences

    Article Title: Involvement of EP2 and EP4 Receptors in Eosinophilic Esophagitis: A Pilot Study

    doi: 10.1007/s10620-019-05623-5

    Figure Lengend Snippet: ECIS ® cell impedance assays were performed in esophageal epithelial cells with 10 and 300 nM of EP4 agonist ONO-AE1-329 ( a ) and EP2 agonist butaprost ( b ) (or medium as control). The decrease in resistance correlates with a loss in the monolayer’s integrity indicative of cell barrier decrease. n = 5–9; values are mean ± SEM; one-way-ANOVA; Tukey’s post hoc test; * p < 0.05; *** p < 0.001

    Article Snippet: Sections were incubated with rabbit polyclonal antibodies against EP2 (1:500) (Alomone Labs, Jerusalem, Israel), EP4 (1:500), and DP1 (1:100) (Cayman Chemicals), visualized with 3-3′-diaminobenzidine (DAB) or Vector ® ImmPact™ NovaRED HRP substrate kit according to the manufacturer’s protocol (Vector Laboratories), and counterstained with hematoxylin.

    Techniques: