B-hIL23A/hIL12B mice
| Strain Name |
C57BL/6-Il23atm1(IL23A)Bcgen Il12btm1(IL12B)Bcgen/Bcgen
|
Common Name | B-hIL23A/hIL12B mice |
| Background | C57BL/6 | Catalog number | 120553 |
|
Related Genes |
IL23A (interleukin 23 subunit alpha); IL12B (interleukin 12B) | ||
|
NCBI Gene ID |
83430,16160 | ||
mRNA expression analysis
Strain specific analysis of IL23A and IL12B gene expression in B-hIL23A/hIL12B mice by RT-PCR. Mouse Il23a and Il12b mRNA were detectable in thymocyte of wild-type mice (+/+) . Human IL23A and IL12B mRNA were detectable only in homozygous B-hIL23A/hIL12B mice (H/H) but not in wild-type C57BL/6 mice.
Strain specific IL23 ( A heterodimeric of IL23A and IL12B ) expression analysis in homozygous B-hIL23A/hIL12B mice by ELISA. Serum were collected from wild-type mice (+/+) and homozygous B-hIL23A/hIL12B mice (H/H) stimulated with LPS in vivo, and analyzed by ELISA with species-specific IL23 ELISA kit. Mouse IL23 was detectable in wild-type mice. Human IL23 was exclusively detectable in homozygous B-hIL23A/hIL12B mice but not wild-type mice.
Analysis of spleen leukocyte subpopulations by FACS
Splenocytes were isolated from female C57BL/6 and B-hIL23A/hIL12B mice (n=3, 7-week-old). Flow cytometry analysis of the splenocytes were 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 T cells, B cells, NK cells, dendritic cells, granulocytes, monocytes and macrophages in homozygous B-hIL23A/hIL12B mice were similar to those in the C57BL/6 mice, demonstrating that introduction of hIL23A and hIL12B in place of its mouse counterpart does not change the overall development, differentiation or distribution of these cell types in spleen.
Analysis of spleen T cell subpopulations by FACS
Splenocytes were isolated from female C57BL/6 and B-hIL23A/hIL12B mice (n=3, 7-week-old). Flow cytometry analysis of the splenocytes were performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live CD45+ T cells were gated for TCRβ+ cells population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of CD4+ T cells, CD8+ T cells and Treg cells in homozygous B-hIL23A/hIL12B mice were similar to those in the C57BL/6 mice, demonstrating that introduction of hIL23A and hIL12B in place of its mouse counterpart does not change the overall development, differentiation or distribution of these T cell sub types in spleen. Values are expressed as mean ± SEM.
Analysis of subpopulation of leukocytes in lymph node by FACS
Lymph node were isolated from female C57BL/6 and B-hIL23A/hIL12B mice (n=3, 7-week-old). Flow cytometry analysis of the lymph node were performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live CD45+ T cells were used for further analysis as indicated here. B. Results of FACS analysis. Percent of T cells, B cells, and NK cells in homozygous B-hIL23A/hIL12B mice were similar to those in the C57BL/6 mice, demonstrating that introduction of hIL23A and hIL12B in place of its mouse counterpart does not change the overall development, differentiation or distribution of these cell types in lymph node. Values are expressed as mean ± SEM.
Analysis of subpopulation of T cells in lymph node by FACS
Lymph nodes were isolated from female C57BL/6 and B-hIL23A/hIL12B mice (n=3, 7-week-old). Flow cytometry analysis of the lymph nodes were performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live CD45+ T cells were gated for TCRβ+ cells population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of CD4+ T cells, CD8+ T cells and Treg cells in homozygous B-hIL23A/hIL12B mice were similar to those in the C57BL/6 mice, demonstrating that introduction of hIL23A and hIL12B in place of its mouse counterpart does not change the overall development, differentiation or distribution of these T cell sub types in lymph node. Values are expressed as mean ± SEM.
Effects of anti-human IL23A antibody in psoriasis-like skin lesions model of B-hIL23A/hIL12B mice. (A) Body weight changes during treatment. (B-C) Erythema and the scaling score of the back were scored daily on a scale from 0 to 4. Additionally, the cumulative score (erythema plus scaling) is depicted (D). Results indicated that structural features of IMQ-induced skin inflammation is visible and increased in severity up to day 5. Anti-human IL23A antibody can efficiently decrease the development of the psoriasis-like disease in B-hIL23A/hIL12B mice.
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