Search Criteria: Research Area is "Metabolism Research: Enzyme Deficiency (exocrine pancreatic insufficiency)"
| Stock Number |
Strain Name Strain Description |
Standard Supply |
| 000656 | CBA/J | Level 1 |
| CBA/J inbred mice are widely used as a general purpose strain. CBA/J strain is the only CBA substrain that carries the Pde6brd1 mutation, which causes blindness by wean age. CBA/J mice are not histocompatible with the CBA/CaJ (Stock No. 000654) substrain (Green and Kaufer, 1965). The CBA/J inbred mouse strain is used to study granulomatous experimental autoimmune thyroiditis (G-EAT), are relatively resistant to diet-induced atherosclerosis (Paigen et al. 1990), and develop a mild hearing loss late in life, with most of the hearing loss occurring in the higher frequencies (Sweet et al. 1988). Renal tubulointerstitial lesions have been observed in this strain at a high frequency (Rudofsky 1978). Some CBA/J mice spontaneously develop exocrine pancreatic insufficiency syndrome (Eppig and Leiter 1977, Leiter et al. 1977). | ||
| 005701 | STOCK Pdx1tm1Macd/J | Repository-Cryopreserved |
| Mice homozygous for the targeted mutation fail to develop a pancreas. Heterozygous mice have normal pancreas development but partially impaired glucose tolerance in adulthood. The substitution of the targeted gene with tTAoff inactivates the endogenous allele and places tTAoff expression under the control of the endogenous transcriptional regulatory sequences. tTA expression from the modified locus is identical to that of the normal allele; tTA mRNA is detectable in the pancreas but not in other visceral organs or salivary glands. This mutant may be useful in studies of pancreatic endocrine/exocrine function and diabetes. Heterozygotes also can be bred with transgenic mice that express a target gene under the regulation of a tetracycline-responsive element (TRE; tetO) for pancreas-specific applications.
This mutant was originally designed to be mated with mutant mice with a TRE-controlled transgene coding for the endogenous Pdx1 (Ipf1) gene alon
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| 005699 | STOCK Tg(tetO-Ipf1,EGFP)956.6Macd/J | Repository-Cryopreserved |
| Mice hemizygous for the transgene are viable, fertile, normal in size, and do not display any behavioral abnormalities. At the Jackson Laboratory, no homozygous mice were produced from mating hemizygotes together, suggesting that homozygous transgenic animals die in utero. Expression of the bicistronic transgene is under the regulation of a tetracycline promoter element (TRE; tetO). By themselves, these transgenic mice do not express EGFP, but when these mice are mated with a second transgenic strain expressing tetracycline-transactivator (tTA) protein under the control of a tissue-specific promoter, Ipf1 and EGFP are highly expressed in the appropriate tissue of bitransgenic offspring.
This mouse was originally designed to be mated to an apancreatic targeted mutant with tTAoff in place of the endogenous Ipf1 gene (see Stock No. 005701). The combined mutations allow normal pancreatic dev
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| 005728 | STOCK Tg(tetO-Ipf1,lacZ)958.1Macd/J | Repository-Cryopreserved |
| Hemizygous transgenic mice are viable, fertile, normal in size, and do not display any behavioral abnormalities. Expression of the bicistronic transgene is under the regulation of a tetracycline-responsive promoter element (TRE; tetO). When transgenic mice are bred to a second transgenic strain expressing tetracycline-transactivator (tTA) protein under the control of a tissue-specific promoter, the bitransgenic offspring express Ipf1 and lacZ in the appropriate target tissue. Further, Ipf1 and lacZ expression in bitransgenic mice can be suppressed by administration of the tetracycline analog, doxycycline. All cells expressing Ipf1 coexpress the reporter, and mRNA levels of the transgenic and endogenous Ipf1 fluctuate in concert during development. This mouse was designed originally to be mated to an pancreatic targeted mutant with tTAoff in place of the Ipf1 gene (see Stock No. For more information please see the full descriiption on the strain data sheet | ||
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