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B-PD-1-EGFP KI mice
Strain Name

C57BL/6N-Pdcd1tm1(EGFP)Bcgen/Bcgen

Stock No.  110166
Common name

B-PD-1-EGFP KI mice

Background  C57BL/6N
Aliases CD279, PD-1, PD1, SLEB2, hPD-1, hPD1, Hsle1, EGFP
NCBI Gene ID
18566

Application


• Validation of the function of PD-1 in the development of tumor and autoimmune disease

• Trace the functional cells in the development of tumor and autoimmune disease by the expression of EGFP


Targeting Stategy


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Gene targeting strategy for B-PD-1-EGFP KI mice. The EGFP gene encoding green fluorescent protein was inserted after the 5 'UTR sequences of mouse PD-1 gene to replace it in B-PD-1-EGFP mice.


Protein Expression Analysis


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Strain specific PD-1 and EGFP expression analysis in heterozygous and homozygous B-PD-1-EGFP KI mice by flow cytometry. Splenocytes were collected from WT (+/+), heterozygous (H/+) and homozygous (H/H) B-PD-1-EGFP KI mice and analyzed by flow cytometry with species-specific anti-PD1 and anti-EGFP antibodies. Mouse PD-1 was detectable in WT and heterozygous B-PD-1-EGFP KI mice. EGFP was detectable in heterozygous and homozygous B-PD-1-EGFP KI mice but not in WT mice.


Analysis of Spleen Leukocytes Cell Subpopulations in B-PD-1-EGFP KI Mice


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Analysis of spleen leukocyte subpopulations by FACS. Splenocytes were isolated from female C57BL/6 and B-PD-1-EGFP KI mice (n=3, 7-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 T cells, B cells in B-PD-1-EGFP KI mice were higher than those in the C57BL/6 mice. While NK cells, DCs, granulocytes, monocytes and macrophages in B-PD-1-EGFP KI mice were similar to those in the C57BL/6 mice, demonstrating that Knock out of Mpd-1 may change the development, differentiation or distribution of some cell types in spleen. Values are expressed as mean ± SEM.


Analysis of Spleen T Cell Subpopulations in B-PD-1-EGFP KI Mice


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Analysis of spleen T cell subpopulations by FACS. Splenocytes were isolated from female C57BL/6 and B-PD-1-EGFP KI mice (n=3, 7-week-old). Flow cytometry analysis of the splenocytes was performed to assess leukocyte subpopulations. A. Representative FACS plots. Single live CD45+ T cells were gated for CD3+ T cell population and used for further analysis as indicated here. B. Results of FACS analysis. Percent of CD8+ T cells, CD4+ T cells in B-PD-1-EGFP KI mice were similar to those in the C57BL/6 mice, while percent of Tregs in homozygous B-PD-1-EGFP KI mice were higher than those in the C57BL/6 mice, demonstrating that knock out of PD-1 may changed the development, differentiation or distribution of these Tregs in spleen. Values are expressed as mean ± SEM.