Rag2-KO(Rag2-EGFP)

系統名

B6;129S-Rag2tm1(loxP-EGFP-PolyA-loxP-Neo-loxP)Smoc

SMOC番号

NM-KI-00070

維持形態

Embryo cryopreservation

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遺伝子の概要

Gene Symbol
Rag2

Synonyms

Rag-2

NCBI ID

19374 

MGI ID

97849

Ensembl ID

ENSMUSG00000032864

Pubmed

Rag2

Human Ortholog

RAG2

説明

A loxP-EGFP-PolyA-loxP-Neo-loxP expression cassette was knocked into the Rag2 gene start codon site. As a Rag2 knockout mouse model, this stain can be used in subcutaneous inoculation of liver cancer tissues and tumor cells. Tumors can esaily form and grow. The amount of T and B lymphocytes in peripheral blood of mice was extremely low tested by FACS, which was comparable to or lower than that of Nude mice, and there was a significant difference compared with wild type mice. The pathological sections of HE staining of tumor tissues showed that the tumor sections of Rag2 KO mice and Nude mice were similar. This strain has the potential to replace Nude, NOD-SCID mice as a tumor-bearing mouse model.
応用分野：Immunodeficiency,tumor-bearing model

表現型データ

rag2.jpg

Figure 1. Generation strategy of Rag2 gene knockout mice.

Rag1-Rag2-1.png

Figure 2  Splenocytes cells of C57BL/6J, NOD-SCID, Rag1-/-, and Rag2-/-  mice were isolated. Fractions of T and B cells were characterized using flow cytometry. 


rag1-rag2-外周血.png

Figure3. Complete deletion of T and B cells in the blood of Rag1-KO/ Rag2-KO mice.

(A) The peripheral blood samples of C57BL/6, Rag1-KO and Rag2-KO mice were collected to analyze their compositions of T, B and NK cells by FACS.(B) Statistical analysis of sorted cells.

rag1-rag2-脾脏.png

Figure4. Complete deletion of T and B cells in the spleen of Rag1-KO/ Rag2-KO mice.

(A) The splenocytes of C57BL/6, Rag1-KO and Rag2-KO mice were collected to analyze their compositions of T, B and NK cells by FACS.(B) Statistical analysis of sorted cells.

rag1-rag2-胸腺.png

Figure5. Complete deletion of T and B cells in the thymus gland of Rag1-KO/ Rag2-KO mice.

(A) The thymocyte of C57BL/6, Rag1-KO and Rag2-KO mice were collected to analyze their compositions of T, B and NK cells by FACS.(B) Statistical analysis of sorted cells.

Rag-2-KO.png

Figure6. EGFP expression of Rag2 knockout mice was detected.

The results showed that there were EGFP-positive cells in the thymus and spleen of Rag2 KO mice, but the EGFP-positive cells were both CD4-negative and CD8-negative cells.

Rag1-Rag2.png

Figure7.The establishment of tumor models using A549 lung cancer cells is more effective in Rag1-/- or Rag2-/-   mice.

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