About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Tg(Col1a1-cre)1Bek
transgene insertion 1, Barbara E Kream
MGI:3574761
Summary 8 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Ift88tm1Bky/Ift88tm1Bky
Tg(Col1a1-cre)1Bek/0
involves: 129 * 129P2/OlaHsd * CD-1 MGI:7572558
cn2
Ift88tm1Bky/Ift88tm1Rpw
Tg(Col1a1-cre)1Bek/0
involves: 129 * 129P2/OlaHsd * CD-1 MGI:7572557
cn3
Rb1tm2Brn/Rb1tm2Brn
Tg(Col1a1-cre)1Bek/0
involves: 129 * CD-1 MGI:3574808
cn4
Pkd1tm2Ggg/Pkd1+
Tg(Col1a1-cre)1Bek/0
involves: 129S4/SvJae * CD-1 MGI:5502424
cn5
Pkd1tm2Ggg/Pkd1tm2Ggg
Tg(Col1a1-cre)1Bek/0
involves: 129S4/SvJae * CD-1 MGI:5502373
cn6
Pkd1tm1Ggg/Pkd1tm2Ggg
Tg(Col1a1-cre)1Bek/0
involves: 129S4/SvJae * CD-1 MGI:5502422
cn7
Bmp2tm1.1Mis/Bmp2tm1.2Mis
Tg(Col1a1-cre)1Bek/0
involves: 129S4/SvJaeSor * 129S7/SvEvBrd * CD-1 MGI:5572807
cn8
Ndrg2tm1Xzg/Ndrg2tm1Xzg
Tg(Col1a1-cre)1Bek/0
involves: 129S/SvEv * CD-1 MGI:5441472


Genotype
MGI:7572558
cn1
Allelic
Composition
Ift88tm1Bky/Ift88tm1Bky
Tg(Col1a1-cre)1Bek/0
Genetic
Background
involves: 129 * 129P2/OlaHsd * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ift88tm1Bky mutation (1 available); any Ift88 mutation (48 available)
Tg(Col1a1-cre)1Bek mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• characterized by a primary atrial septal defect as well as ventricular septal defect




Genotype
MGI:7572557
cn2
Allelic
Composition
Ift88tm1Bky/Ift88tm1Rpw
Tg(Col1a1-cre)1Bek/0
Genetic
Background
involves: 129 * 129P2/OlaHsd * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ift88tm1Bky mutation (1 available); any Ift88 mutation (48 available)
Ift88tm1Rpw mutation (0 available); any Ift88 mutation (48 available)
Tg(Col1a1-cre)1Bek mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• in 1 embryo at E14.5-E15.5
• at E9.5, appears wider and contains excessive extracellular matrix and mesenchyme
• the pulmonary pit is not well defined
• in over 75% of E14.5 embryos the common pulmonary venous return is not properly positioned in the left atrium
• in 2 embryos the pulmonary venous orifice is found to the right of the rudimentary primary atrial septum in the posterior right atrial wall
• in 2 embryos the pulmonary vein connects to the junctional areal between the future right superior caval vein and the right atrium
• in 3 embryos the common pulmonary vein drains very low in the right atrium close to where the left sinus horn connects to the right atrium
• characterized by a primary atrial septal defect as well as ventricular septal defect

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
scimitar syndrome DOID:4297 OMIM:106700
J:308860




Genotype
MGI:3574808
cn3
Allelic
Composition
Rb1tm2Brn/Rb1tm2Brn
Tg(Col1a1-cre)1Bek/0
Genetic
Background
involves: 129 * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Rb1tm2Brn mutation (3 available); any Rb1 mutation (106 available)
Tg(Col1a1-cre)1Bek mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

hearing/vestibular/ear
• detected many proliferating cochlear supporting cells at E13.5 and E18.5 when these cells are normally postmitotic, indicating that differentiated cells continue to cycle and divide
• proliferating cells were found in the zone of nonproliferating cells in the primordial organ of Corti at E13.5
• increased hair bundle number in E18.5 cochleas with many improperly oriented
• detected many proliferating hair cells at E13.5 and E18.5 when these cells are normally postmitotic, indicating that differentiated cells continue to cycle and divide
• cochleas had 3-4 rows of inner hair cells compared to one row of inner hair cells in wildtype
• cochleas had 7-8 rows of outer hair cells compared to 3 rows of outer hair cells in wildtype
• increased ratio of outer hair cells to Deiters' cells, suggesting continous hair cell division
• increased numbers of Deiters' cells, but not pillar cells, than in controls
• E18.5 utricles had 40% more cells with bundles
• proliferating hair cells and supporting cells were seen in the utricle at E13.5 and E18.5 when these cells are normally postmitotic, however, cell fate determination and subsequent differentiation was intact in these proliferating cells
• observed hair cells in metaphase in E18.5 utricles
• transduction currents in ear hair cells were smaller than in controls (10-20 pA versus 200 pA in controls)

nervous system
• increased hair bundle number in E18.5 cochleas with many improperly oriented
• detected many proliferating hair cells at E13.5 and E18.5 when these cells are normally postmitotic, indicating that differentiated cells continue to cycle and divide
• cochleas had 3-4 rows of inner hair cells compared to one row of inner hair cells in wildtype
• cochleas had 7-8 rows of outer hair cells compared to 3 rows of outer hair cells in wildtype
• E18.5 utricles had 40% more cells with bundles
• proliferating hair cells and supporting cells were seen in the utricle at E13.5 and E18.5 when these cells are normally postmitotic, however, cell fate determination and subsequent differentiation was intact in these proliferating cells
• observed hair cells in metaphase in E18.5 utricles

cellular
• detected many proliferating cochlear supporting cells at E13.5 and E18.5 when these cells are normally postmitotic, indicating that differentiated cells continue to cycle and divide




Genotype
MGI:5502424
cn4
Allelic
Composition
Pkd1tm2Ggg/Pkd1+
Tg(Col1a1-cre)1Bek/0
Genetic
Background
involves: 129S4/SvJae * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pkd1tm2Ggg mutation (1 available); any Pkd1 mutation (153 available)
Tg(Col1a1-cre)1Bek mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Decrease in trabecular and cortical bone in adult Pkd1tm2Ggg/Pkd1+ Tg(Col1a1-cre)1Bek/0 and Pkd1tm2Ggg/Pkd1tm2Ggg Tg(Col1a1-cre)1Bek/0 mice

skeleton
• osteoblasts show impaired differentiation and maturation, as shown by culture duration-dependent reductions in ALP activity, diminished calcium deposition in extracellular matrix and a reduction in osteoblastic differentiation markers
• primary calvarial osteoblasts exhibit an increase in BrdU incorporation
• bone mineral density is reduced by 21-22% in both males and females at 6 weeks of age
• males show a 40% reduction in trabecular bone volume
• males show a 15% reduction in cortical bone thickness
• periosteal mineral apposition rate is reduced by 19%

cellular
• osteoblasts show impaired differentiation and maturation, as shown by culture duration-dependent reductions in ALP activity, diminished calcium deposition in extracellular matrix and a reduction in osteoblastic differentiation markers
• primary calvarial osteoblasts exhibit an increase in BrdU incorporation

endocrine/exocrine glands
N
• pancreatic cysts are not observed in embryos or at 6 weeks of age

renal/urinary system
N
• kidney cysts are not observed in embryos or at 6 weeks of age




Genotype
MGI:5502373
cn5
Allelic
Composition
Pkd1tm2Ggg/Pkd1tm2Ggg
Tg(Col1a1-cre)1Bek/0
Genetic
Background
involves: 129S4/SvJae * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pkd1tm2Ggg mutation (1 available); any Pkd1 mutation (153 available)
Tg(Col1a1-cre)1Bek mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Pkd1tm2Ggg/Pkd1tm2Ggg Tg(Col1a1-cre)1Bek/0 mice develop polycystic pancreas and kidney

mortality/aging
• 50% mortality rate between birth and 6 months of age
• 50% mortality rate between birth and 6 months of age

growth/size/body
• pancreatic cysts first become apparent at E15.5 and severe multiple cysts are seen by 6 weeks of age
• however, endocrine islet formation in pancreas is unaffected
• renal tubule cysts first become apparent at E15.5 and severe multiple cysts in the kidney are seen by 6 weeks of age
• however, glomeruli formation in the kidney is unaffected
• at 6 weeks of age

renal/urinary system
• renal tubule cysts first become apparent at E15.5 and severe multiple cysts in the kidney are seen by 6 weeks of age
• however, glomeruli formation in the kidney is unaffected
• renal fibrosis of polycystic kidney starts at P7 and progressively becomes more severe by 6 weeks of age

endocrine/exocrine glands
• formation of pancreatic cysts lead to expansion of the pancreatic ducts and leads to massive acinar cell loss, formation of abnormal tubular structures, and appearance of endocrine cells in ducts
• pancreatic cysts first become apparent at E15.5 and severe multiple cysts are seen by 6 weeks of age
• however, endocrine islet formation in pancreas is unaffected

skeleton
• osteoblasts show impaired differentiation and maturation, as shown by culture duration-dependent reductions in ALP activity, diminished calcium deposition in extracellular matrix and a reduction in osteoblastic differentiation markers
• primary calvarial osteoblasts exhibit an increase in BrdU incorporation
• 17% shorter in length
• number of adipocytes and fat droplets in tibia bone marrow are increased in 6 week old mutants
• adults exhibit severe osteopenia, with bone mineral density reduced by 35% and 36% in adult males and females, respectively
• however, newborns do not have skeletal abnormalities
• 73% reduction in trabecular bone volume
• 41% reduction in cortical bone thickness
• periosteal mineral apposition rate is reduced by 41%

adipose tissue
• increase in adipogenesis in bone marrow and in bone marrow stromal cultures; higher number of adipocytes and volume of fat droplets in tibias

digestive/alimentary system
• formation of pancreatic cysts lead to expansion of the pancreatic ducts and leads to massive acinar cell loss, formation of abnormal tubular structures, and appearance of endocrine cells in ducts

cellular
• osteoblasts show impaired differentiation and maturation, as shown by culture duration-dependent reductions in ALP activity, diminished calcium deposition in extracellular matrix and a reduction in osteoblastic differentiation markers
• primary calvarial osteoblasts exhibit an increase in BrdU incorporation

homeostasis/metabolism
• levels of serum phosphorus are lower at 6 weeks of age

limbs/digits/tail
• 17% shorter in length

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
polycystic kidney disease 1 DOID:0110858 OMIM:173900
J:191967




Genotype
MGI:5502422
cn6
Allelic
Composition
Pkd1tm1Ggg/Pkd1tm2Ggg
Tg(Col1a1-cre)1Bek/0
Genetic
Background
involves: 129S4/SvJae * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pkd1tm1Ggg mutation (0 available); any Pkd1 mutation (153 available)
Pkd1tm2Ggg mutation (1 available); any Pkd1 mutation (153 available)
Tg(Col1a1-cre)1Bek mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Osteopenia in newborn Pkd1tm1Ggg/Pkd1tm2Ggg Tg(Col1a1-cre)1Bek/0 mice

mortality/aging

limbs/digits/tail
• newborns have short and less mineralized femurs

skeleton
• newborns have short and less mineralized femurs
• osteopenia is seen in newborns
• newborns show a delay in bone mineralization in calvarial and vertebral bone tissues
• bone phenotype is more severe than in Pkd1tm1Ggg/Pkd1tm1Ggg Tg(Col1a1-cre)1Bek/0 mice




Genotype
MGI:5572807
cn7
Allelic
Composition
Bmp2tm1.1Mis/Bmp2tm1.2Mis
Tg(Col1a1-cre)1Bek/0
Genetic
Background
involves: 129S4/SvJaeSor * 129S7/SvEvBrd * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Bmp2tm1.1Mis mutation (0 available); any Bmp2 mutation (26 available)
Bmp2tm1.2Mis mutation (0 available); any Bmp2 mutation (26 available)
Tg(Col1a1-cre)1Bek mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• at 2 weeks but not 2-4 months
• enlarged intervertebral space in the vertebrae
• slight at 2 weeks
• at 4 months
• in the lumbar vertebrae and hip region
• smaller unfused at 2 weeks
• thinner bones at 2 weeks, progressive
• reduced mesenchymal stem cell population and capacity to differentiate to mature osteoblasts
• decrease in osteoclasts covering bone surface or number of osteoclasts per unit of bone surface at 2 weeks
• in the tibia, femur and humerus
• however, cortical thickness is normal
• fewer mature cuboidal polarized osteoblasts from 5 days to 6 months
• decrease in the region of mature osteoblasts covering the bone surface and number of mature osteoblasts per bone surface at 8 weeks
• increase in rod-like quality of trabeculae
• reduced bone mineralizing surface and mineral apposition rate in the bone marrow trabeculae and in the periosteum
• decreased bone formation
• more brittle

cardiovascular system
• decreased vascularization in the bone (diaphysis and metaphysis)

limbs/digits/tail
• at 2 weeks but not 2-4 months

cellular
• reduced mesenchymal stem cell population and capacity to differentiate to mature osteoblasts

immune system
• decrease in osteoclasts covering bone surface or number of osteoclasts per unit of bone surface at 2 weeks

hematopoietic system
• decrease in osteoclasts covering bone surface or number of osteoclasts per unit of bone surface at 2 weeks




Genotype
MGI:5441472
cn8
Allelic
Composition
Ndrg2tm1Xzg/Ndrg2tm1Xzg
Tg(Col1a1-cre)1Bek/0
Genetic
Background
involves: 129S/SvEv * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ndrg2tm1Xzg mutation (0 available); any Ndrg2 mutation (26 available)
Tg(Col1a1-cre)1Bek mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• T9 is the transitional vertebra in 4 of 16 mice
• T13 to L1 transformation in 7 of 16 mice
• L6 to S1 transformation in 14 of 16 mice
• S4 to S3 transformation in 11 of 16 mice





Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
04/23/2024
MGI 6.23
The Jackson Laboratory