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B-hCD3E/HLA-A2.1 mice
Strain Name
C57BL/6-Cd3etm2(CD3E)Bcgen B2mtm2(B2M/HLA-A2.1/H2-D)Bcgen/Bcgen
Common Name  B-hCD3E/HLA-A2.1 mice
Background C57BL/6 Catalog number 111858
Aliases 
CD3E, IMD18, T3E, TCRE,CD3e molecule; Ly-m1, Ly-m11, beta2-, beta2-m, beta2m, IMD43, HLAA
Protein expression analysis

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Strain specific HLA expression analysis in homozygous B-hCD3E/HLA-A2.1 mice by flow cytometry. Splenocytes were collected from wild type (WT) mice (+/+) and B-hCD3E/HLA-A2.1 mice, and analyzed by flow cytometry. Mouse H-2Db was detectable in WT mice (+/+) and B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/+) . Human HLA-A2.1 was exclusively detectable in B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/+) and B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/H) but not in WT mice (+/+).

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Strain specific CD3E expression analysis in homozygous B-hCD3E/HLA-A2.1 mice by flow cytometry. Splenocytes were collected from wild type (WT) mice (+/+) and B-hCD3E/HLA-A2.1 mice, and analyzed by flow cytometry with species-specific anti-hCD3E antibody. Mouse CD3E was detectable in WT mice (+/+). Human CD3E was exclusively detectable in B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/+) and B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/H) but not in WT mice (+/+).


Analysis of thymus T cell subpopulations in B-hCD3E/HLA-A2.1 mice


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Analysis of thymus T cell subpopulations by FACS.Thymocytes were isolated from female C57BL/6 and B-hCD3E/HLA-A2.1 mice (n=3, 8 week-old). Flow cytometry analysis of the thymocytes was performed to assess T cell subsets. A. Representative FACS plots. Single live CD45+ cells were gated for CD3 T cell population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of Treg cells in B-hCD3E/HLA-A2.1 mice was similar to that in the C57BL/6 mice. Compared with C57BL/6 mice,  the proportion of  CD4+ T cells and CD8+ T cells changed in B-hCD3E/HLA-A2.1 mice, especially the proportion of CD8+ T cells in B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/H)  decreased significantly. No significant decrease in the proportion of CD8+ T cells was previously observed in B-hCD3E mice, so we speculated that the introduction of hB2M-HLA-A2.1-H-2D instead of mouse counterparts may affect the development of CD8+T cells, which in turn affected the proportion of T cells in thymus. Values are expressed as mean ± SEM.

Analysis of spleen leukocytes cell subpopulations in B-hCD3E/HLA-A2.1 mice

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Analysis of spleen leukocyte subpopulations by FACS.Splenocytes were isolated from female C57BL/6 and B-hCD3E/HLA-A2.1 mice (n=3, 8 week-old). Flow cytometry analysis of the splenocytes was performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live cells were gated for CD45 population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of NK cells, dendritic cells, neutrophils, monocytes and macrophages in B-hCD3E/HLA-A2.1 mice were similar to those in the C57BL/6 mice. Compared with C57BL/6 mice,  the proportion of  CD4+ T cells and CD8+ T cells changed in B-hCD3E/HLA-A2.1 mice, especially the proportion of CD8+ T cells in B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/H)  decreased significantly. No significant decrease in the proportion of CD8+ T cells was previously observed in B-hCD3E mice, so we speculated that the introduction of hB2M-HLA-A2.1-H-2D instead of mouse counterparts may affect the development of CD8+T cells, which in turn affected the proportion of T cells in spleen. Values are expressed as mean ± SEM.

Analysis of spleen T cell subpopulations in B-hCD3E/HLA-A2.1 mice

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Analysis of spleen T cell subpopulations by FACS.Splenocytes were isolated from female C57BL/6 and B-hCD3E/HLA-A2.1 mice (n=3, 8 week-old). Flow cytometry analysis of the splenocytes was performed to assess T cell subsets. A. Representative FACS plots. Single live CD45+ cells were gated for CD3 T cell population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of Treg cells in B-hCD3E/HLA-A2.1 mice was similar to that in the C57BL/6 mice. Compared with C57BL/6 mice,  the proportion of  CD4+ T cells and CD8+ T cells changed in B-hCD3E/HLA-A2.1 mice, especially the proportion of CD8+ T cells in B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/H)  decreased significantly. No significant decrease in the proportion of CD8+ T cells was previously observed in B-hCD3E mice, so we speculated that the introduction of hB2M-HLA-A2.1-H-2D instead of mouse counterparts may affect the development of CD8+T cells, which in turn affected the proportion of T cells in spleen. Values are expressed as mean ± SEM.

Analysis of lymph node leukocytes cell subpopulations in B-hCD3E/HLA-A2.1 mice

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Analysis of lymph node leukocyte subpopulations by FACS.Leukocytes were isolated from female C57BL/6 and B-hCD3E/HLA-A2.1 mice (n=3, 8 week-old). Flow cytometry analysis of the leukocytes was performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live cells were gated for CD45 population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of NK cells in B-hCD3E/HLA-A2.1 mice was similar to those in the C57BL/6 mice. Compared with C57BL/6 mice,  the proportion of  CD4+ T cells and CD8+ T cells changed in B-hCD3E/HLA-A2.1 mice, especially the proportion of CD8+ T cells in B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/H)  decreased significantly. No significant decrease in the proportion of CD8+ T cells was previously observed in B-hCD3E mice, so we speculated that the introduction of hB2M-HLA-A2.1-H-2D instead of mouse counterparts may affect the development of CD8+T cells, which in turn affected the proportion of T cells in lymph node. Values are expressed as mean ± SEM.

Analysis of lymph node T cell subpopulations in B-hCD3E/HLA-A2.1 mice

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Analysis of lymph node T cell subpopulations by FACS.Leukocytes were isolated from female C57BL/6 and B-hCD3E/HLA-A2.1 mice (n=3, 8 week-old). Flow cytometry analysis of the leukocytes was performed to assess T cell subsets. A. Representative FACS plots. Single live CD45+ cells were gated for CD3 T cell population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of Treg cells in B-hCD3E/HLA-A2.1 mice was similar to that in the C57BL/6 mice. Compared with C57BL/6 mice,  the proportion of  CD4+ T cells and CD8+ T cells changed in B-hCD3E/HLA-A2.1 mice, especially the proportion of CD8+ T cells in B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/H)  decreased significantly. No significant decrease in the proportion of CD8+ T cells was previously observed in B-hCD3E mice, so we speculated that the introduction of hB2M-HLA-A2.1-H-2D instead of mouse counterparts may affect the development of CD8+T cells, which in turn affected the proportion of T cells in lymph node. Values are expressed as mean ± SEM.

Analysis of blood leukocytes cell subpopulations in B-hCD3E/HLA-A2.1 mice

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Analysis of blood leukocyte subpopulations by FACS.Blood cells were isolated from female C57BL/6 and B-hCD3E/HLA-A2.1 mice (n=3, 8 week-old). Flow cytometry analysis of the blood leukocytes was performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live cells were gated for CD45 population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of B cells, NK cells, dendritic cells, neutrophils, monocytes and macrophages in B-hCD3E/HLA-A2.1 mice were similar to those in the C57BL/6 mice. Compared with C57BL/6 mice,  the proportion of  CD4+ T cells and CD8+ T cells changed in B-hCD3E/HLA-A2.1 mice, especially the proportion of CD8+ T cells in B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/H)  decreased significantly. No significant decrease in the proportion of CD8+ T cells was previously observed in B-hCD3E mice, so we speculated that the introduction of hB2M-HLA-A2.1-H-2D instead of mouse counterparts may affect the development of CD8+T cells, which in turn affected the proportion of T cells in blood. Values are expressed as mean ± SEM.

Analysis of blood T cell subpopulations in B-hCD3E/HLA-A2.1 mice

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Analysis of blood T cell subpopulations by FACS.Blood cells were isolated from female C57BL/6 and B-hCD3E/HLA-A2.1 mice (n=3, 8 week-old). Flow cytometry analysis of the leukocytes was performed to assess T cell subsets. A. Representative FACS plots. Single live CD45+ cells were gated for CD3 T cell population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of Treg cells in B-hCD3E/HLA-A2.1 mice was similar to that in the C57BL/6 mice. Compared with C57BL/6 mice,  the proportion of  CD4+ T cells and CD8+ T cells changed in B-hCD3E/HLA-A2.1 mice, especially the proportion of CD8+ T cells in B-hCD3E/HLA-A2.1 mice (CD3EH/H; HLA-A2.1H/H)  decreased significantly. No significant decrease in the proportion of CD8+ T cells was previously observed in B-hCD3E mice, so we speculated that the introduction of hB2M-HLA-A2.1-H-2D instead of mouse counterparts may affect the development of CD8+T cells, which in turn affected the proportion of T cells in blood. Values are expressed as mean ± SEM.

Blood routine test in B-hCD3E/HLA-A2.1 mice

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Complete blood count (CBC). Blood from C57BL/6 and B-hCD3E/HLA-A2.1 mice (female, n=8, 8 week-old) was collected and analyzed for CBC. There was no differences among any measurement between C57BL/6 and B-hCD3E/HLA-A2.1 mice, indicating that CD3E and HLA-A2.1 humanized do not change blood cell composition and morphology. Values are expressed as mean ± SEM.

Blood biochemistry of B-hCD3E/HLA-A2.1 mice

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Blood biochemistry tests of B-hCD3E/HLA-A2.1 mice. Serum from the C57BL/6 and B-hCD3E/HLA-A2.1 mice (female, n=8, 8 week-old) was collected and analyzed for levels of ALT and AST. There was no differences on either measurement between C57BL/6 and B-hCD3E/HLA-A2.1 mice, indicating that CD3E and HLA-A2.1 humanized do not change ALT and AST levels or health of liver. Values are expressed as mean ± SEM.