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B-hCD27 mice
Strain Name C57BL/6-Cd27tm1(CD27)/Bcgen Common Name  B-hCD27 mice
Background C57BL/6 Catalog number  110006
Related Genes 
CD27 (CD27 Molecule)

Gene Description


CD27 is a TNF receptor super family member. It is expressed on the surface of T and B cells, and its binding with CD70 provides a co-stimulatory signal for T and B Cell Proliferation and for B cells producing immunoglobulins. Treating mice with a CD27 agonist antibody effectively enhanced the antitumor immune response for lymphoma and B16 melanoma, providing putative targets for tumor immunotherapy. 


Protein Expression Analysis


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Strain specific CD27 expression analysis in homozygous B-hCD27 mice by flow cytometry. Splenocytes were collected from WT and homozygous B-hCD27 mice stimulated with anti-CD3ε in vivo , and analyzed by flow cytometry with species-specific anti-CD27 antibody. Mouse CD27 was detectable in WT and homozygous B-hCD27 mice. Human CD27 was exclusively detectable in  B-hCD27 homozygous but not WT mice. This might be due to cross-recognition of hCD27 by anti-mCD27 antibodies.


In vivo efficacy of anti-human CD27 antibodies


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Antitumor activity of anti-human CD27 antibodies in B-hCD27 mice. (A) Anti-human CD27 antibodies inhibited MC38 tumor growth in B-hCD27 mice. Murine colon cancer MC38 cells (5×105) were subcutaneously implanted into homozygous B-hCD27 mice (male, 6 week-old, n=5). Mice were grouped when tumor volume reached approximately 100 mm3, at which time they were treated with anti-human CD27 antibodies with doses and schedules indicated in panel; (B) Body weight changes during treatment. As shown in panel A, anti-human CD27 antibodies were efficacious in controlling tumor growth in B-hCD27 mice, demonstrating that the B-hCD27 mice provide a powerful preclinical model for in vivo evaluation of anti-human CD27 antibodies. Values are expressed as mean ± SEM.