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B-hTIGIT mice
Strain Name
C57BL/6-Tigittm1(TIGIT)Bcgen/Bcgen
Common Name  B-hTIGIT mice
Background C57BL/6 Catalog number  110017
Related Genes 
TIGIT(T cell immunoreceptor with Ig and ITIM domains)
NCBI Gene ID
100043314

Protein expression analysis


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Strain specific TIGIT expression analysis in homozygous B-hTIGIT mice by flow cytometry. Splenocytes were collected from WT and homozygous B-hTIGIT (H/H) mice stimulated with anti-CD3ε in vivo (7.5 µg/mice), and analyzed by flow cytometry with species-specific anti-TIGIT antibody. Mouse TIGIT was exclusively detected in WT mice. Human TIGIT were exclusively detected in homozygous B-hTIGIT mice (H/H) but not WT mice.


In vivo efficacy of Tiragolumab(in house)

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Antitumor activity of anti-human TIGIT antibodies in B-hTIGIT mice. (A) Anti-human TIGIT antibodies inhibited MC38 tumor growth in B-hTIGIT mice. Murine colon cancer MC38 cells (5ⅹ105) were subcutaneously implanted into homozygous B-hTIGIT mice (female, 8 week-old, n=6). Mice were grouped when tumor volume reached approximately 150±50 mm3, at which time they were treated with anti-human TIGIT antibodies with different doses and schedules indicated in panel (B) Body weight changes during treatment. As shown in panel A, anti-human TIGIT antibodies were efficacious in controlling tumor growth in B-hTIGIT mice, demonstrating that the B-hTIGIT mice provide a powerful preclinical model for in vivo evaluation of anti-human TIGIT antibodies. Values are expressed as mean ± SEM


In vivo efficacy of anti-human TIGIT antibodies

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Antitumor activity of anti-human TIGIT antibodies in B-hTIGIT mice. (A) Anti-human TIGIT antibodies inhibited MC38 tumor growth in B-hTIGIT mice. Murine colon cancer MC38 cells (1ⅹ106) were subcutaneously implanted into homozygous B-hTIGIT mice (female, 7 week-old, n=7). Mice were grouped when tumor volume reached approximately 150±50 mm3, at which time they were treated with two anti-human TIGIT antibodies and schedules indicated in panel (B) Body weight changes during treatment. As shown in panel A, anti-human TIGIT antibodies were efficacious in controlling tumor growth in B-hTIGIT mice, demonstrating that the B-hTIGIT mice provide a powerful preclinical model for in vivo evaluation of anti-human TIGIT antibodies. Values are expressed as mean ± SEM