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Igg1 mopc 21

Manufactured by BioXCell
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IgG1 (MOPC-21) is a mouse monoclonal antibody that belongs to the IgG1 isotype. It is a commonly used control antibody in various immunological experiments and assays.

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4 protocols using igg1 mopc 21

1

Modulating IFN Receptor for Poly(I:C) Response

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On E13.5, pregnant females were i.v. injected with a single dose of 400 µg anti-IFN receptor 1 (αIFNAR; MAR1-5A3 [60 (link)], Bio X Cell, NH, USA) or control IgG (IgG1; MOPC-21, Bio X Cell, NH, USA) in 150 µl PBS. After 1 day, on E14.5, the treated females were injected with poly(I:C) or PBS, as described above.
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2

Th22 Cell Adoptive Transfer for Allergy

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Naive CD4+ T cells from spleens of DO11.10 TCR transgenic mice were magnetically sorted using naive CD4+ T cell isolation kit, mouse (Miltenyi Biotec). Next, these cells were cultured in plate-bound antibodies against CD3 (145-2C11; 2 µg/ml; eBioscience) and soluble anti-CD28 (PV-1; 2 µg/ml; BioLegend), in the presence of IL-23 (40 ng/ml; R&D Systems), anti–IL-4 (11B11; 10 µg/ml; BioLegend), anti–IFN-γ (XMG1.2; 10 µg/ml; BioLegend), and anti–TGF-β1,2,3 (1D11; 10 µg/ml; R&D Systems) neutralizing antibodies to generate Th22 cells for 5 d. After extensive washings, 5 × 106 polarized T cells were adoptively transferred i.v. to naive WT or Il22−/− recipients, which were challenged the same day by EC sensitization with OVA (100 µg/100 µl PBS). For in vivo IL-17A neutralization, anti–IL-17A (17F3; 500 µg/ml; BioXCell) neutralizing antibodies or Control IgG1 (MOPC-21; 500 µg/ml; BioXCell) was i.p. injected 1 h before and 48 h after OVA challenge. 7 d later, the challenged skins were examined by histology and immunohistochemistry.
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3

Nasally Vaccinated Mice Against Brucella

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BALB/c mice nasally vaccinated on day 0 with ΔznuA B. melitensis (n = 18), RB51 (n = 20), or PBS (n = 20); IFN-γ−/− mice were also vaccinated with ΔznuA B. melitensis (n = 10), RB51 (n = 8), or PBS (n = 9). To measure the relative contribution of CD4+ and CD8+ T cells, CD4−/− and CD8−/− mice were nasally vaccinated on day 0 with ΔznuA B. melitensis (n=8), Rev-1 (n=8), or PBS (n=8). Mice were rested for 6 wks and then challenged nasally with wt B. melitensis strain 16M. Four weeks after virulent challenge, individual spleens and lungs were recovered, subjected to homogenization and lysis as described above, and CFUs were enumerated.
To assess the role of IL-17 in protection against B. melitensis challenge in vaccinated BALB/c and IFN-γ−/− mice, IL-17 was neutralized in vivo upon treatment with 250 μg/dose of anti-IL-17 mAb (clone 17F3; BioXcell, West Lebanon, NH) on days −1, 0, 7, 14, and 21 after challenge. Control animals were similarly treated using IgG1 (MOPC-21; BioXcell) isotype control Ab instead.
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4

Nasally Vaccinated Mice Against Brucella

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BALB/c mice nasally vaccinated on day 0 with ΔznuA B. melitensis (n = 18), RB51 (n = 20), or PBS (n = 20); IFN-γ−/− mice were also vaccinated with ΔznuA B. melitensis (n = 10), RB51 (n = 8), or PBS (n = 9). To measure the relative contribution of CD4+ and CD8+ T cells, CD4−/− and CD8−/− mice were nasally vaccinated on day 0 with ΔznuA B. melitensis (n=8), Rev-1 (n=8), or PBS (n=8). Mice were rested for 6 wks and then challenged nasally with wt B. melitensis strain 16M. Four weeks after virulent challenge, individual spleens and lungs were recovered, subjected to homogenization and lysis as described above, and CFUs were enumerated.
To assess the role of IL-17 in protection against B. melitensis challenge in vaccinated BALB/c and IFN-γ−/− mice, IL-17 was neutralized in vivo upon treatment with 250 μg/dose of anti-IL-17 mAb (clone 17F3; BioXcell, West Lebanon, NH) on days −1, 0, 7, 14, and 21 after challenge. Control animals were similarly treated using IgG1 (MOPC-21; BioXcell) isotype control Ab instead.
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