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| Stock Number |
Strain Name Strain Description |
Standard Supply |
| 003008 | B6;129S-Tnftm1Gkl/J | Level 4 |
| Mice homozygous for the Tnftm1Gkl targeted mutation are viable and fertile. Development of both lymph nodes and Peyer's patches is normal, and homozygous mutant mice show no apparent phenotypic abnormalities. Homozygous mice completely lack splenic primary B cell follicles and cannot form organized follicular dendritic cell networks and germinal centers. TNF-deficient mice treated to induce skin carcinogenesis develop significantly less benign and malignant tumors than treated wildtype mice. Nonobese homozygous mutant mice show modest decreases in body weight, epididymal fat depot weight, and percent body fat (statistically significant in males at 28 weeks of age). Further characterization indicates that 28 week old male mutant mice display lower insulin, triglyceride, and leptin levels compared to wildtype controls. Characterization of TNF deficient homozygotes injected with gold-thioglucose (GTG) to induce hyperphagic obesity indicates that the presence of TNF does ..... For more information please see the full phenotype on the strain data sheet | ||
| 005108 | B6.129P2-Ltb/Tnf/Ltatm1Dvk/J | Repository- Live |
| Mice that are homozygous for the targeted mutation are viable, fertile, normal in size and do not display any gross physical or behavioral abnormalities. No gene product (mRNA) from any of the three targeted genes is detected by RT-PCR analysis of concanavalin-A activated splenocytes. Leukocyte numbers in the spleen, blood and peritoneal cavity are increased 2 to 3 fold. Homozygous mice have abnormal lymphoid development and do not develop Peyer's patches or lymph nodes. Spleen microarchitecture is abnormal. No germinal center forms in the spleen following antigenic challenge. Mutant mice display defective antibody responses. This strain displays a phenotype more severe than the phenotypes exhibited by any of the single targeted mutation strains of the genes and may be useful in studies of peripheral lymphoid organ development, and antibody response to T cell dependent antigens. | ||
| 005540 | B6.129S-Tnftm1Gkl/J | Repository- Live |
| Mice homozygous for the targeted mutation are viable and fertile. Development of both lymph nodes and Peyer's patches is normal, and homozygous mutant mice show no apparent phenotypic abnormalities. Homozygous mice completely lack splenic primary B cell follicles and cannot form organized follicular dendritic cell networks and germinal centers. TNF-deficient mice treated to induce skin carcinogenesis develop significantly less benign and malignant tumors than treated wildtype mice. Nonobese homozygous mutant mice show modest decreases in body weight, epididymal fat depot weight, and percent body fat (statistically significant in males at 28 weeks of age). Further characterization indicates that 28 week old male mutant mice display lower insulin, triglyceride, and leptin levels compared to wildtype controls. Characterization of TNF deficient homozygotes injected with gold-thioglucose (GTG) to induce hyperphagic obesity indicates that the presence of TNF does not affect the degree of obe ..... For more information please see the full phenotype on the strain data sheet | ||
| 007082 | CByJ.129S(B6)-Tnftm1Gkl/J | Repository- Live |
| Mice homozygous for the Tnftm1Gkl targeted mutation are viable and fertile. Development of both lymph nodes and Peyer's patches is normal, and homozygous mutant mice show no apparent phenotypic abnormalities. Homozygous mice completely lack splenic primary B cell follicles and cannot form organized follicular dendritic cell networks and germinal centers. TNF-deficient mice treated to induce skin carcinogenesis develop significantly less benign and malignant tumors than treated wildtype mice. Nonobese homozygous mutant mice show modest decreases in body weight, epididymal fat depot weight, and percent body fat (statistically significant in males at 28 weeks of age). Further characterization indicates that 28 week old male mutant mice display lower insulin, triglyceride, and leptin levels compared to wildtype controls. Characterization of TNF deficient homozygotes injected with gold-thioglucose (GTG) to induce hyperphagic obesity indicates that the presence of TNF does ..... For more information please see the full phenotype on the strain data sheet | ||
| 005112 | STOCK Ltb/Tnftm1.1Dvk/J | Cryopreserved - Ready for recovery |
| Mice that are homozygous for the targeted mutation are viable, fertile, normal in size and do not display any gross physical or behavioral abnormalities. No gene product (mRNA) is detected by RNase protection assay of concanavalin-A activated splenocytes. Lta gene transcription is not effected. Peripheral lymphoid tissue development is impaired. Only mesenteric lymph nodes and few sacral lymph nodes are found in homozygotes, and these have abnormal morphology. Spleen structure is disrupted and no germinal centers form following antigenic challenge. This double mutant strain exhibits a phenotype more severe than the phenotypes exhibited by either of the single targeted mutation strains of the genes. This mutant mouse strain may be useful in studies of peripheral lymphoid organ development, antibody response to T cell dependent antigens. | ||
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