B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice
| Strain Name | C57BL/6N-Tg(RP11-634C1)1(CH17-401N15)1/Bcgen | Common Name | B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice |
| Background | C57BL/6N | Catalog number | 112332 |
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Related Genes |
LILRB2: ILT4, LIR2, CD85D, ILT-4, LIR-2, MIR10, MIR-10 LILRB3: HL9, ILT5, LIR3, PIRB, CD85A, ILT-5, LIR-3, PIR-B, LILRA6 LILRB1: ILT2, LIR1, MIR7, PIRB, CD85J, ILT-2, LIR-1, MIR-7, PIR-B LILRB4: ILT3, LIR5, CD85K, ILT-3, LIR-5 |
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Model validation
LILRB1 expression analysis in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice (non-tumor bearing)
Strain specific hLILRB1 expression analysis in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice by flow cytometry. Blood were collected from wild-type (+/+) and transgenic B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice (Tg), and analyzed by flow cytometry with species-specific anti-human LILRB1 antibody. Human LILRB1 was both detectable in T cells, B cells, NK cells and granulocytes from B-Tg(hLILRB1/hLILRB4) mice but not wild-type mice.
Strain specific hLILRB1 expression analysis in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice by flow cytometry. Blood were collected from wild-type (+/+) and transgenic B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice (Tg), and analyzed by flow cytometry with species-specific anti-human LILRB1 antibody. Human LILRB1 was both detectable in monocytes and macrophages from B-Tg(hLILRB1/hLILRB4) mice but not wild-type mice.
LILRB2 expression analysis in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice (non-tumor bearing)
Protein expression analysis
Strain specific hLILRB2 expression analysis in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice by flow cytometry. Blood were collected from wild-type (+/+) and transgenic B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice (Tg), and analyzed by flow cytometry with species-specific anti-human LILRB2 antibody. Human LILRB2 was both detectable in T cells, B cells, NK cells and granulocytes from B-Tg(hLILRB1/hLILRB4) mice but not wild-type mice.
Strain specific hLILRB2 expression analysis in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice by flow cytometry. Blood were collected from wild-type (+/+) and transgenic B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice (Tg), and analyzed by flow cytometry with species-specific anti-human LILRB2 antibody. Human LILRB2 was both detectable in monocytes and macrophages from B-Tg(hLILRB1/hLILRB4) mice but not wild-type mice.
LILRB3 expression analysis in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice (non-tumor bearing)
Protein expression analysis
LILRB4 expression analysis in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice (non-tumor bearing)
Protein expression analysis
Analysis of leukocytes cell subpopulation in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice (non-tumor bearing)
Analysis of leukocytes cell subpopulation in spleen
Analysis of spleen leukocyte subpopulations by FACS. Splenocytes were isolated from female C57BL/6 and B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)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 the CD45+ population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of T cells, B cells, NK cells, dendritic cells, granulocytes, monocytes and macrophages in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice were similar to those in the C57BL/6 mice, demonstrating that LILRB1, LILRB2, LILRB3 and LILRB4 humanized does not change the overall development, differentiation or distribution of these cell types in spleen. Values are expressed as mean ± SEM.
Analysis of spleen T cell subpopulations by FACS. Splenocytes were isolated from female C57BL/6 and B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice (n=3, 8-week-old). Flow cytometry analysis of the splenocytes was performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live CD45+ cells were gated for TCRβ+ T cell population and used for further analysis as indicated here. B. Results of FACS analysis. The percent of CD4+ T cells, CD8+ T cells and Tregs in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice were similar to those in the C57BL/6 mice, demonstrating that introduction of LILRB1, LILRB2, LILRB3 and LILRB4 does not change the overall development, differentiation or distribution of these T cell subtypes in spleen. Values are expressed as mean ± SEM.
Analysis of thymus leukocyte subpopulations by FACS. LNs (Lymph nodes) were isolated from female C57BL/6 and B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice (n=3, 8-week-old). Flow cytometry analysis of the LNs was performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live cells were gated for the CD45+ population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of T cells, B cells and NK cells in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice were similar to those in the C57BL/6 mice, demonstrating that LILRB1, LILRB2, LILRB3 and LILRB4 humanized does not change the overall development, differentiation or distribution of these cell types in LNs. Values are expressed as mean ± SEM.
Analysis of thymus T cell subpopulations by FACS. LNs (Lymph nodes) were isolated from female C57BL/6 and B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice (n=3, 8-week-old). Flow cytometry analysis of the LNs was performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live CD45+ cells were gated for TCRβ+ T cell population and used for further analysis as indicated here. B. Results of FACS analysis. The percent of CD4+ T cells, CD8+ T cells and Tregs in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice were similar to those in the C57BL/6 mice, demonstrating that introduction of LILRB1, LILRB2, LILRB3 and LILRB4 does not change the overall development, differentiation or distribution of these T cell subtypes in LNs. Values are expressed as mean ± SEM.
Analysis of blood leukocyte subpopulations by FACS. Blood leukocytes were isolated from female C57BL/6 and B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice (n=3, 8-week-old). Flow cytometry analysis of the blood leukocytes were performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live cells were gated for the CD45+ population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of T cells, B cells, NK cells, dendritic cells, granulocytes, monocytes and macrophages in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice were similar to those in the C57BL/6 mice, demonstrating that LILRB1, LILRB2, LILRB3 and LILRB4 humanized does not change the overall development, differentiation or distribution of these cell types in blood. Values are expressed as mean ± SEM.
Analysis of blood T cell subpopulations by FACS. Blood leukocytes were isolated from female C57BL/6 and B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice (n=3, 8-week-old). Flow cytometry analysis of the blood leukocytes were performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live CD45+ cells were gated for TCRβ+ T cell population and used for further analysis as indicated here. B. Results of FACS analysis. The percent of CD4+ T cells, CD8+ T cells and Tregs in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice were similar to those in the C57BL/6 mice, demonstrating that introduction of LILRB1, LILRB2, LILRB3 and LILRB4 does not change the overall development, differentiation or distribution of these T cell subtypes in blood. Values are expressed as mean ± SEM.
Analysis of bone marrow leukocyte subpopulations by FACS. Bone marrow leukocyte were isolated from female C57BL/6 and B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice (n=3, 8-week-old). Flow cytometry analysis of the bone marrow leukocyte was performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live cells were gated for the CD45+ population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of T cells, B cells, NK cells, dendritic cells, granulocytes, monocytes and macrophages in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice were similar to those in the C57BL/6 mice, demonstrating that LILRB1, LILRB2, LILRB3 and LILRB4 humanized does not change the overall development, differentiation or distribution of these cell types in bone marrow. Values are expressed as mean ± SEM.
Analysis of bone marrow T cell subpopulations by FACS. Bone marrow leukocyte were isolated from female C57BL/6 and B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice (n=3, 8-week-old). Flow cytometry analysis of the bone marrow leukocyte was performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live CD45+ cells were gated for TCRβ+ T cell population and used for further analysis as indicated here. B. Results of FACS analysis. The percent of CD4+ T cells, CD8+ T cells and Tregs in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4)mice were similar to those in the C57BL/6 mice, demonstrating that introduction of LILRB1, LILRB2, LILRB3 and LILRB4 does not change the overall development, differentiation or distribution of these T cell subtypes in bone marrow. Values are expressed as mean ± SEM.
LILRB1, LILRB2, LILRB3 and LILRB4 expression analysis in different organs of B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice
hLILRB1 expression in CD45+ cells
Strain specific hLILRB1 expression analysis in B-Tg(hLILRB1/hLILRB2/hLILRB3/hLILRB4) mice by flow cytometry. Heart, liver, spleen, lung, kidney, large intestine, small intestine, stomach, brain, ovary, and skin were collected from B-Tg(hLILRB1/hLILRB2/hLILRB3/hLILRB4) mice, analyzed by flow cytometry with anti-hLILRB1 antibody.
Strain specific hLILRB2 expression analysis in B-Tg(hLILRB1/hLILRB2/hLILRB3/hLILRB4) mice by flow cytometry. Heart, liver, spleen, lung, kidney, large intestine, small intestine, stomach, brain, ovary, and skin were collected from B-Tg(hLILRB1/hLILRB2/hLILRB3/hLILRB4) mice, analyzed by flow cytometry with anti-hLILRB2 antibody.
Strain specific hLILRB3 expression analysis in B-Tg(hLILRB1/hLILRB2/hLILRB3/hLILRB4) mice by flow cytometry. Heart, liver, spleen, lung, kidney, large intestine, small intestine, stomach, brain, ovary, and skin were collected from B-Tg(hLILRB1/hLILRB2/hLILRB3/hLILRB4) mice, analyzed by flow cytometry with anti-hLILRB3 antibody.
Strain specific hLILRB4 expression analysis in B-Tg(hLILRB1/hLILRB2/hLILRB3/hLILRB4) mice by flow cytometry. Heart, liver, spleen, lung, kidney, large intestine, small intestine, stomach, brain, ovary, and skin were collected from B-Tg(hLILRB1/hLILRB2/hLILRB3/hLILRB4) mice, analyzed by flow cytometry with anti-hLILRB4 antibody.
Strain specific hLILRB1/4 expression analysis in B-Tg(hLILRB1/hLILRB2/hLILRB3/hLILRB4) mice by flow cytometry. Bone marrow cells were collected from wild-type mice and B-Tg(hLILRB1/hLILRB2/hLILRB3/hLILRB4) mice, analyzed by flow cytometry with anti-LILRB1 antibody or anti-LILRB4 antibody.
Antitumor activity of anti-HLA-G antibodies (provided by a client) in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice. (A) Anti-human HLA-G antibodies inhibited MC38 tumor growth in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice. Murine colon cancer B-hB2M/HLA-G MC38 cells (5×105) were subcutaneously implanted into B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice (female, 6-7 weeks old). Tumor-bearing animals were randomly enrolled into four study groups when the mean tumor size reached 79 mm3, at which time they were intraperitoneally injected with anti-HLA-G antibodies (provided by a client) indicated in the panel. (B) Body weight changes during treatment. As shown in panel A, the anti-HLA-G antibodies were efficacious in controlling tumor growth in B-Tg(hLILRB2/hLILRB3/hLILRB1/hLILRB4) mice, with TGITV of 33.8%, 25.1% and 37.1%, respectively. Values are expressed as mean ± SEM.
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