Former Names STOCK Ipf1tm1Macd/J (Changed: 15-DEC-06 ) Type Mutant Stock; Targeted Mutation; Additional information on Genetically Engineered and Mutant Mice. Visit our online Nomenclature tutorial. Species laboratory mouse Generation ?+N1p
Generation DefinitionsDonating Investigator Raymond MacDonald, UTSW Medical Center Description
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 along with a reporter (EGFP or beta-galactosidase gene, (see Stock No. 005699 and 005728 respectively).
Development
A targeting vector containing a tetracycline-responsive tet-repressor/VP16 fusion transactivator (tTAoff) and the neomycin-resistance gene flanked with 4.5-kb upstream and 1.3-kb downstream homology domains was used to replace the entire coding region (both exons and the intron) of the endogenous Pdx1 locus. The construct was electroporated into the (129X1/SvJ x 129S1/Sv)F1-derived R1 embryonic stem (ES) cells. Correctly targeted ES cells were injected into C57BL/6 blastocysts. The resulting chimeric males were bred with C57BL/6 females to generate heterozygotes. At some point, mutant mice were bred to B6SJL hybrid transgenic mice. The transgene was selected against in subsequent breedings, and strain is now maintained as heterozygous for the Pdx1 targeted mutation.
| Control | ||
|---|---|---|
| Wild-type from the colony | ||
| Considerations for Choosing Controls | ||
Strains carrying other alleles of Pdx1
014647 B6.FVB-Tg(Ipfl-cre)6Tuv/J View Strains carrying other alleles of Pdx1 (1 strain)
Strains carrying other alleles of tTA
008079 129S-Ppargtm2Yba/J 016198 129S6.Cg-Tg(Camk2a-tTA)1Mmay/JlwsJ 011008 B6.129P2(Cg)-Gt(ROSA)26Sortm1(tTA)Roos/J 009602 B6.129S4(Cg)-Kcnn2tm2Jpad/J 009603 B6.129S4-Kcnn3tm1Jpad/J 008227 B6.129S4-Ppargtm3Yba/J 012359 B6.Cg-Pvalbtm1.1(tTA2)Hze/J 016868 B6.Cg-Ssttm1.2(tTA2)Hze/J 007004 B6.Cg-Tg(Camk2a-tTA)1Mmay/DboJ 003563 B6.Cg-Tg(Cebpb-tTA)5Bjd/J 003767 B6.Cg-Tg(Eno2tTA)5021Nes/J 003763 B6.Cg-Tg(Eno2tTA)5030Nes/J 018306 B6.Cg-Tg(Fos-tTA,Fos-EGFP*)1Mmay/J 005964 B6.Cg-Tg(GFAP-tTA)110Pop/J 002618 B6.Cg-Tg(MMTVtTA)1Mam/J 008284 B6.Cg-Tg(Scg2-tTA)1Jt/J 006361 B6.Cg-Tg(Sp7-tTA,tetO-EGFP/cre)1Amc/J 017722 B6.Cg-Tg(Tal1-tTA)19Dgt/J 017754 B6;129-Omptm1(tTA)Gogo/J 007585 B6;129S4-Npytm2Rpa/J 002709 B6;C3-Tg(TettTALuc)1Dgs/J 003010 B6;CBA-Tg(Camk2a-tTA)1Mmay/J 008344 B6;DBA-Tg(Fos-tTA,Fos-EGFP*)1Mmay Tg(tetO-lacZ,tTA*)1Mmay/J 010573 B6;SJL-Tg(Prl-tTA)6-5Jek/J 008082 B6;SJL-Tg(Tagln-tTA)1Mrab Tg(tetO-Mcpt1)1Mrab/J 008603 C.129P2(B6)-Gt(ROSA)26Sortm1(tTA)Roos/J 010712 C57BL/6-Tg(Camk2a-tTA)1Stl/J 013585 FVB-Tg(Cdh5-tTA)D5Lbjn/J 005625 FVB-Tg(Pcp2-tTA)3Horr/J 003170 FVB.Cg-Tg(Myh6-tTA)6Smbf/J 006209 FVB.Cg-Tg(Tal1-tTA)19Dgt/J 005942 FVB/N-Tg(Pf4-tTA/VP16)42Kra/J 004937 NOD.Cg-Tg(Ins2-tTA)1Doi/DoiJ 006999 STOCK Dbttm1Geh Tg(Cebpb-tTA)5Bjd Tg(tetO-DBT)A1Geh/J 008335 STOCK Foxa2tm1.1(rtTa)Moon/J 008600 STOCK Gt(ROSA)26Sortm1(tTA)Roos/J 014092 STOCK Tg(ACTB-tTA2,-MAPT/lacZ)1Luo/J 003271 STOCK Tg(CMV-tTA)3Bjd/J 015838 STOCK Tg(Camk2a-tTA)1Mmay Tg(tetO-ABL1*P242E*P249E)CPdav/J 018124 STOCK Tg(Prnp-tTA)F959Sbp/J 009606 STOCK Tg(Six2-EGFP/cre)1Amc/J 003275 STOCK Tg(tetL)1Bjd/J 003274 STOCK Tg(tetNZL)2Bjd/J View Strains carrying other alleles of tTA (43 strains)
Tet Expression Systems
View Related Disease (OMIM) Terms
Related Disease (OMIM) Terms provided by MGI
- Potential model based on gene homology relationships. Phenotypic similarity to the human disease has not been tested. Diabetes Mellitus, Noninsulin-Dependent; NIDDM (PDX1)
Diabetes Mellitus, Permanent Neonatal; PNDM (PDX1)
Maturity-Onset Diabetes of the Young, Type 4; MODY4 (PDX1)
Pancreatic Agenesis, Congenital; PAGEN (PDX1)
View Mammalian Phenotype Terms
Mammalian Phenotype Terms provided by MGI
assigned by genotype
The following phenotype information may relate to a genetic background differing from this JAX® Mice strain.
Pdx1tm1Macd/Pdx1+
involves: 129S1/Sv * 129X1/SvJ
- homeostasis/metabolism phenotype
- impaired glucose tolerance
- heterozygotes display partially impaired glucose tolerance compared to wild-type mice; doxycycline treatment has no effect (MGI Ref ID J:79206)
- heterozygotes display partially impaired early response to glucose challenge compared to wild-type mice; ability to recover after glucose challenge is impaired (MGI Ref ID J:101742)
Pdx1tm1Macd/Pdx1tm1Macd
involves: 129S1/Sv * 129X1/SvJ
- liver/biliary system phenotype
- *normal* liver/biliary system phenotype
- mice exhibit normal development of the gall bladder, collecting ducts, and common duct (MGI Ref ID J:151981)
The following phenotype relates to a compound genotype created using this strain.
Contact JAX® Services jaxservices@jax.org for customized breeding options.Pdx1tm1Macd/Pdx1tm1Macd Tg(tetO-Ipf1,EGFP)956.6Macd/0
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL
- homeostasis/metabolism phenotype
- decreased circulating glucose level
- 14 days after doxycycline withdrawal after 14 days of treatment resulted in a significant decrease in blood glucose levels with 4/5 mice becoming normoglycemic by 28 days (MGI Ref ID J:101742)
- decreased insulin secretion
- there is a marked reduction in insulin in pancreata of doxycycline-treated mice; after withdrawal of doxycycline, insulin +ve cells are detected in islets of smaller islet-like cell clusters (MGI Ref ID J:101742)
- impaired glucose tolerance
- adult transgenic rescue animals treated with doxycycline for 14 days exhibit a defective response to glucose challenge compared to wild-type, non mutant transgenic, or untreated rescue mice (MGI Ref ID J:79206)
- when adult mice are treated with doxycycline for 0, 7, 14, or 21 days, mice show an increased early glucose response within 7 days of start of treatment and ability to recover from glucose challenge is impaired compared to untreated transgenics where glucose levels recover to basal levels within 3 hours; by 14 days of doxycycline treatment, mice have diabetes (MGI Ref ID J:101742)
- increased circulating glucose level
- with doxycycline treatment for 21 day, adult rescue mice show a 4-fold increase in fasting blood glucose to diabetic levels (MGI Ref ID J:79206)
- increased glucagon secretion
- in doxycycline-treated mice there is an increase in glucagons-positive cells (MGI Ref ID J:101742)
- endocrine/exocrine gland phenotype
- abnormal pancreas development
- pancreas of transgenic rescue newborn mice is 50% the size of a normal wild-type neonatal pancreas (MGI Ref ID J:79206)
- treatment of pregnant mice with doxycycline from the first day of pregnancy through parturition prevents formation of the pancreas in mice with the transgenic rescue genotype (MGI Ref ID J:79206)
- treatment on E11.5 arrests pancreatic development ~36 hours later; at birth the underdeveloped remnant consisted of a large and extended duct with several terminal, aborted, ductal buds with ducts lined with a single layer of primitive epithelial cells and with no acinar or islet tissue (MGI Ref ID J:79206)
- abnormal pancreatic beta cell morphology
- after 14 or 28 days of dox treatment there are, still present, beta cells which lack insulin (MGI Ref ID J:101742)
- decreased insulin secretion
- there is a marked reduction in insulin in pancreata of doxycycline-treated mice; after withdrawal of doxycycline, insulin +ve cells are detected in islets of smaller islet-like cell clusters (MGI Ref ID J:101742)
- increased glucagon secretion
- in doxycycline-treated mice there is an increase in glucagons-positive cells (MGI Ref ID J:101742)
- small pancreatic islets
- after dox treatment for 14 days, there is a significant decrease in islet area compared to wild-type (MGI Ref ID J:101742)
- cellular phenotype
- increased cell proliferation
- foci of duct proliferation are present in mice after 14 days of doxycycline treatment and become more prominent with continued treatment (MGI Ref ID J:101742)
Pdx1tm1Macd/Pdx1tm1Macd Tg(tetO-Ipf1,lacZ)958.1Macd/0
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL
- homeostasis/metabolism phenotype
- impaired glucose tolerance
- transgenic mice gradually attain an impaired glucose tolerance response to glucose challenge (MGI Ref ID J:103522)
- endocrine/exocrine gland phenotype
- abnormal pancreas development
- when dams are treated with doxycycline from conception through birth, only small epithelial remnants of the pancreas form; treatment at E7.5 or E8.5 results in the same phenotype (MGI Ref ID J:103522)
- doxycycline from E9.5 diminishes epithelial morphogenesis; treatement from E9.5 allows outgrowth of a linear epithelial tube with nascent invaginations representing initial primary branching (MGI Ref ID J:103522)
- treatment from E11.5 allows the formation of a larger crude duct-like structure with a few distal primary branches; treatement from E12.5 permits formation of extensive fine structure consisting of immature acini and associated small ductules (MGI Ref ID J:103522)
- with treatment from E12.5, pancreatic dorsal and ventral remnants composed of convoluted partially branched duct-like epithelium of columnar epithelium are present, and show a block at the stage of acinar cell formation (MGI Ref ID J:103522)
- examination of embryo ductal remnants from mice treated with dox from E11.5 show an absence of preacini; treatment from E12.5 results in a larger remnant with a smaller proportion of primitive duct; the epithelium is replaced by numerous eosinophilic clusters lacking ductal markers which are polarized, arranged around a central lumen and resemble immature acini (MGI Ref ID J:103522)
- absent pancreas
- ~1/5 pups are born without a pancreas; rescue of pancreas formation is observed in ~80% of transgenic mice (MGI Ref ID J:103522)
View Research Applications
Research Applications
This mouse can be used to support research in many areas including:
Endocrine Deficiency Research
Pancreas Defects
Metabolism Research
Enzyme Deficiency
exocrine pancreatic insufficiency
Research Tools
Endocrine Deficiency Research
Genetics Research
Tissue/Cell Markers
Tissue/Cell Markers: multiple
Tissue/Cell Markers: pancreatic beta cells
Tet Expression Systems
tTA/rtTA Expressing Strains
| Allele Symbol | Pdx1tm1Macd | ||
|---|---|---|---|
| Allele Name | targeted mutation 1, Raymond J MacDonald | ||
| Allele Type | Targeted (knock-in) | ||
| Common Name(s) | Pdx1tTA; | ||
| Mutation Made By | Raymond MacDonald, UTSW Medical Center | ||
| Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> | ||
| ES Cell Line Name | R1 | ||
| ES Cell Line Strain | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> | ||
| Site of Expression | Expresses tTA in pancreas. | ||
| Expressed Gene | tTA, tetracycline-controlled transactivator, E. coli | ||
| The tetracycline-resistance gene (TetR), arose from chemically mutated Escherichia coli genome which was screened for tetracycline dependence (Gossen and Bujard, 1992). TetR was fused at the C-terminus with the viral co-activator, virion protein 16 of the herpes simplex virus (VP-16). The tetracycline-inhibitable transcription factor is a component of a bigenic system that allows doxycycline (a tetracycline analog) regulatable expression of genes that are under the direction of the tetracycline responsive promoter (TetOp)promoter. | |||
| Molecular Note | Exons 1 and 2, which encompass the entire coding region, were replaced with a cassette containing a tetracycline transactivator (tTA) and a neo resistance gene. RT-PCR showed tTA expression in adult pancreas tissue but not in other visceral organs or salivary glands. [MGI Ref ID J:79206] | ||
| Gene Symbol and Name | Pdx1, pancreatic and duodenal homeobox 1 | ||
| Chromosome | 5 | ||
| Gene Common Name(s) | GSF; IDX-1; IPF-1; IPF1; IUF1; Ipf1; MODY4; PDX-1; STF-1; insulin promoter factor 1; insulin promoter factor 1, homeodomain transcription factor; pancreatic and duodenal homeobox gene 1; | ||
Genotyping Protocols
Pdx1tm1Macd, Standard PCR
Helpful Links
Genotyping resources and troubleshooting
Holland AM; Hale MA; Kagami H; Hammer RE; MacDonald RJ. 2002. Experimental control of pancreatic development and maintenance. Proc Natl Acad Sci U S A 99(19):12236-41. [PubMed: 12221286] [MGI Ref ID J:79206]
Pdx1tm1Macd relatedAfelik S; Qu X; Hasrouni E; Bukys MA; Deering T; Nieuwoudt S; Rogers W; Macdonald RJ; Jensen J. 2012. Notch-mediated patterning and cell fate allocation of pancreatic progenitor cells. Development 139(10):1744-53. [PubMed: 22461559] [MGI Ref ID J:184016]
Brennand K; Huangfu D; Melton D. 2007. All beta Cells Contribute Equally to Islet Growth and Maintenance. PLoS Biol 5(7):e163. [PubMed: 17535113] [MGI Ref ID J:124045]
Gauthier BR; Wiederkehr A; Baquie M; Dai C; Powers AC; Kerr-Conte J; Pattou F; MacDonald RJ; Ferrer J; Wollheim CB. 2009. PDX1 deficiency causes mitochondrial dysfunction and defective insulin secretion through TFAM suppression. Cell Metab 10(2):110-8. [PubMed: 19656489] [MGI Ref ID J:151308]
Hale MA; Kagami H; Shi L; Holland AM; Elsasser HP; Hammer RE; MacDonald RJ. 2005. The homeodomain protein PDX1 is required at mid-pancreatic development for the formation of the exocrine pancreas. Dev Biol 286(1):225-37. [PubMed: 16126192] [MGI Ref ID J:103522]
Holland AM; Gonez LJ; Naselli G; Macdonald RJ; Harrison LC. 2005. Conditional expression demonstrates the role of the homeodomain transcription factor Pdx1 in maintenance and regeneration of beta-cells in the adult pancreas. Diabetes 54(9):2586-95. [PubMed: 16123346] [MGI Ref ID J:101742]
Magenheim J; Ilovich O; Lazarus A; Klochendler A; Ziv O; Werman R; Hija A; Cleaver O; Mishani E; Keshet E; Dor Y. 2011. Blood vessels restrain pancreas branching, differentiation and growth. Development 138(21):4743-52. [PubMed: 21965615] [MGI Ref ID J:181009]
Nishimura W; Bonner-Weir S; Sharma A. 2009. Expression of MafA in pancreatic progenitors is detrimental for pancreatic development. Dev Biol 333(1):108-20. [PubMed: 19576197] [MGI Ref ID J:152238]
Rulifson IC; Karnik SK; Heiser PW; ten Berge D; Chen H; Gu X; Taketo MM; Nusse R; Hebrok M; Kim SK. 2007. Wnt signaling regulates pancreatic beta cell proliferation. Proc Natl Acad Sci U S A 104(15):6247-52. [PubMed: 17404238] [MGI Ref ID J:143020]
Spence JR; Lange AW; Lin SC; Kaestner KH; Lowy AM; Kim I; Whitsett JA; Wells JM. 2009. Sox17 regulates organ lineage segregation of ventral foregut progenitor cells. Dev Cell 17(1):62-74. [PubMed: 19619492] [MGI Ref ID J:151981]
Stanger BZ; Datar R; Murtaugh LC; Melton DA. 2005. Direct regulation of intestinal fate by Notch. Proc Natl Acad Sci U S A 102(35):12443-8. [PubMed: 16107537] [MGI Ref ID J:101154]
Stanger BZ; Tanaka AJ; Melton DA. 2007. Organ size is limited by the number of embryonic progenitor cells in the pancreas but not the liver. Nature 445(7130):886-91. [PubMed: 17259975] [MGI Ref ID J:118596]
Wang S; Hecksher-Sorensen J; Xu Y; Zhao A; Dor Y; Rosenberg L; Serup P; Gu G. 2008. Myt1 and Ngn3 form a feed-forward expression loop to promote endocrine islet cell differentiation. Dev Biol 317(2):531-40. [PubMed: 18394599] [MGI Ref ID J:136131]
Animal Health Reports
Production of mice from cryopreserved embryos or sperm occurs in a maximum barrier room, G200.Colony Maintenance
Breeding & Husbandry When maintaining a live colony, these mice are maintained as heterozygotes.
| Pricing for USA, Canada and Mexico shipping destinations |
|
Cryopreserved Mice - Ready for Recovery
Animals Provided
Price (US dollars $) Cryorecovery* $2250.00 At least two mice that carry the mutation (if it is a mutant strain) will be provided. Their genotypes may not reflect those discussed in the strain description. Please inquire for possible genotypes and see additional details below.
Embryos
Price (US dollars $) Frozen Embryo $1600.00 Standard Supply
Cryopreserved. Ready for recovery. Please refer to pricing and supply notes on the strain data sheet for further information.
Supply Notes
- Cryopreserved Embryos
Available to most shipping destinations1
This strain is also available as cryopreserved embryos2. Orders for cryopreserved embryos may be placed with our Customer Service Department. Experienced technicians at The Jackson Laboratory have recovered frozen embryos of this strain successfully. We will provide you enough embryos to perform two embryo transfers. The Jackson Laboratory does not guarantee successful recovery at your facility. For complete information on purchasing embryos, please visit our Cryopreserved Embryos web page.
1 Shipments cannot be made to Australia due to Australian government import restrictions.
2 Embryos for most strains are cryopreserved at the two cell stage while some strains are cryopreserved at the eight cell stage. If this information is important to you, please contact Customer Service.- Cryorecovery - Standard.
Progeny testing is not required.
The average number of mice provided from recovery of our cryopreserved strains is 10. The total number of animals provided, their gender and genotype will vary. We will fulfill your order by providing at least two pair of mice, at least one animal of each pair carrying the mutation of interest. Please inquire if larger numbers of animals with specific genotype and genders are needed. Animals typically ship between 11 and 14 weeks from the date of your order. If a second cryorecovery is needed in order to provide the minimum number of animals, animals will ship within 25 weeks. IMPORTANT NOTE: The genotypes of animals provided may not reflect the mating scheme utilized by The Jackson Laboratory prior to cryopreservation, or that discussed in the strain description. Please inquire about possible genotypes which will be recovered for this specific strain. The Jackson Laboratory cannot guarantee the reproductive success of mice shipped to your facility. If the mice are lost after the first three days (post-arrival) or do not produce progeny at your facility, a new order and fee will be necessary.Cryorecovery to establish a Dedicated Supply for greater quantities of mice.
Mice recovered can be used to establish a dedicated colony to contractually supply you mice according to your requirements. Price by quotation. For more information on Dedicated Supply, please contact JAX® Services, Tel: 1-800-422-6423 (from U.S.A., Canada or Puerto Rico only) or 1-207-288-5845 (from any location).
| Pricing for International shipping destinations |
|
Cryopreserved Mice - Ready for Recovery
Animals Provided
Price (US dollars $) Cryorecovery* $2925.00 At least two mice that carry the mutation (if it is a mutant strain) will be provided. Their genotypes may not reflect those discussed in the strain description. Please inquire for possible genotypes and see additional details below.
Embryos
Price (US dollars $) Frozen Embryo $2080.00 Standard Supply
Cryopreserved. Ready for recovery. Please refer to pricing and supply notes on the strain data sheet for further information.
Supply Notes
- Cryopreserved Embryos
Available to most shipping destinations1
This strain is also available as cryopreserved embryos2. Orders for cryopreserved embryos may be placed with our Customer Service Department. Experienced technicians at The Jackson Laboratory have recovered frozen embryos of this strain successfully. We will provide you enough embryos to perform two embryo transfers. The Jackson Laboratory does not guarantee successful recovery at your facility. For complete information on purchasing embryos, please visit our Cryopreserved Embryos web page.
1 Shipments cannot be made to Australia due to Australian government import restrictions.
2 Embryos for most strains are cryopreserved at the two cell stage while some strains are cryopreserved at the eight cell stage. If this information is important to you, please contact Customer Service.- Cryorecovery - Standard.
Progeny testing is not required.
The average number of mice provided from recovery of our cryopreserved strains is 10. The total number of animals provided, their gender and genotype will vary. We will fulfill your order by providing at least two pair of mice, at least one animal of each pair carrying the mutation of interest. Please inquire if larger numbers of animals with specific genotype and genders are needed. Animals typically ship between 11 and 14 weeks from the date of your order. If a second cryorecovery is needed in order to provide the minimum number of animals, animals will ship within 25 weeks. IMPORTANT NOTE: The genotypes of animals provided may not reflect the mating scheme utilized by The Jackson Laboratory prior to cryopreservation, or that discussed in the strain description. Please inquire about possible genotypes which will be recovered for this specific strain. The Jackson Laboratory cannot guarantee the reproductive success of mice shipped to your facility. If the mice are lost after the first three days (post-arrival) or do not produce progeny at your facility, a new order and fee will be necessary.Cryorecovery to establish a Dedicated Supply for greater quantities of mice.
Mice recovered can be used to establish a dedicated colony to contractually supply you mice according to your requirements. Price by quotation. For more information on Dedicated Supply, please contact JAX® Services, Tel: 1-800-422-6423 (from U.S.A., Canada or Puerto Rico only) or 1-207-288-5845 (from any location).
|
|
Cryopreserved. Ready for recovery. Please refer to pricing and supply notes on the strain data sheet for further information.
| Control | ||
|---|---|---|
| Wild-type from the colony | ||
| Considerations for Choosing Controls | ||
| Control Pricing Information for Genetically Engineered Mutant Strains. | ||
For Licensing and Use Restrictions view the link(s) below:
- Use of MICE by companies or for-profit entities requires a license prior to shipping.
- Use of MICE by companies or for-profit entities requires a license prior to shipping.
| phone: | 207-288-6470 |
| fax: | 207-288-6655 |
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