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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Igf1r+
wild type
MGI:2152990
Summary 9 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Igf1rtm1Arge/Igf1r+ involves: 129S/SvEv MGI:2175080
cn2
Igf1rtm2Arge/Igf1r+
Tg(Tek-cre)1Ywa/0
B6.Cg-Tg(Tek-cre)1Ywa Igf1rtm2Arge MGI:5568546
cn3
Eef1a1tm1(Kras*)Arge/Eef1a1+
Igf1rtm2Arge/Igf1r+
Waptm1(cre)Arge/Wap+
involves: 129S1/Sv MGI:3837708
cn4
Igf1rtm1.1Mhz/Igf1r+
Insrtm1Khn/Insrtm1Khn
Tg(Ckmm-cre)5Khn/0
involves: 129/Sv * 129S4/SvJae * C57BL/6 * FVB MGI:3775310
cx5
Igf1rtm1.2Mhz/Igf1r+
Zfand2btm1Otin/Zfand2btm1Otin
involves: 129/Sv * 129S7/SvEvBrd * C57BL/6 MGI:6784094
cx6
Igf1rtm1Arge/Igf1r+
Igf2rtm1Arge/Igf2r+
involves: 129/Sv * 129S/SvEv MGI:3820233
cx7
Igf1rtm1Arge/Igf1r+
Igf2rtm1Arge/Igf2rtm1Arge
involves: 129/Sv * 129S/SvEv MGI:3820234
cx8
Igf1rtm1Arge/Igf1r+
Igf2rtm2Arge/Igf2r+
involves: 129/Sv * 129S/SvEv MGI:3820232
cx9
Igf1rtm1Arge/Igf1r+
Igf2rtm2Arge/Igf2rtm2Arge
involves: 129/Sv * 129S/SvEv MGI:3820231


Genotype
MGI:2175080
ht1
Allelic
Composition
Igf1rtm1Arge/Igf1r+
Genetic
Background
involves: 129S/SvEv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igf1rtm1Arge mutation (0 available); any Igf1r mutation (88 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
growth/size/body




Genotype
MGI:5568546
cn2
Allelic
Composition
Igf1rtm2Arge/Igf1r+
Tg(Tek-cre)1Ywa/0
Genetic
Background
B6.Cg-Tg(Tek-cre)1Ywa Igf1rtm2Arge
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igf1rtm2Arge mutation (1 available); any Igf1r mutation (88 available)
Tg(Tek-cre)1Ywa mutation (7 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• blunted endothelial regeneration after arterial injury compared with wild-type cells
• blunted endothelial regeneration after arterial injury compared with wild-type cells

homeostasis/metabolism
• blunted endothelial regeneration after arterial injury compared with wild-type cells




Genotype
MGI:3837708
cn3
Allelic
Composition
Eef1a1tm1(Kras*)Arge/Eef1a1+
Igf1rtm2Arge/Igf1r+
Waptm1(cre)Arge/Wap+
Genetic
Background
involves: 129S1/Sv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Eef1a1tm1(Kras*)Arge mutation (0 available); any Eef1a1 mutation (60 available)
Igf1rtm2Arge mutation (1 available); any Igf1r mutation (88 available)
Waptm1(cre)Arge mutation (0 available); any Wap mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• median tumor free survival of lactating females is 43 days from the first parturition

neoplasm
• female mice develop mammary gland tumors with a 5-fold increase in latency compared to in Eef1a1tm1(Kras*)Arge Waptm1(cre)Arge heterozygotes
• median tumor free survival of lactating females is 43 days from the first parturition

endocrine/exocrine glands
• female mice develop mammary gland tumors with a 5-fold increase in latency compared to in Eef1a1tm1(Kras*)Arge Waptm1(cre)Arge heterozygotes
• median tumor free survival of lactating females is 43 days from the first parturition

integument
• female mice develop mammary gland tumors with a 5-fold increase in latency compared to in Eef1a1tm1(Kras*)Arge Waptm1(cre)Arge heterozygotes
• median tumor free survival of lactating females is 43 days from the first parturition




Genotype
MGI:3775310
cn4
Allelic
Composition
Igf1rtm1.1Mhz/Igf1r+
Insrtm1Khn/Insrtm1Khn
Tg(Ckmm-cre)5Khn/0
Genetic
Background
involves: 129/Sv * 129S4/SvJae * C57BL/6 * FVB
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igf1rtm1.1Mhz mutation (2 available); any Igf1r mutation (88 available)
Insrtm1Khn mutation (1 available); any Insr mutation (95 available)
Tg(Ckmm-cre)5Khn mutation (5 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• 3 of 13 mice die by 6 months of age

cardiovascular system
• at P17, left ventricular fractional shortening is reduced 23% compared to Igf1rtm1.1Mhz Insrtm1Khn homozygote controls

respiratory system
• beginning at 3 months of age, 1 of 13 mice appear to gasp for air

behavior/neurological
• beginning at 3 months of age, 1 of 13 mice exhibit less activity than wild-type mice

muscle
• at P17, left ventricular fractional shortening is reduced 23% compared to Igf1rtm1.1Mhz Insrtm1Khn homozygote controls

homeostasis/metabolism
N
• mice exhibit normal glucose homeostasis




Genotype
MGI:6784094
cx5
Allelic
Composition
Igf1rtm1.2Mhz/Igf1r+
Zfand2btm1Otin/Zfand2btm1Otin
Genetic
Background
involves: 129/Sv * 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igf1rtm1.2Mhz mutation (1 available); any Igf1r mutation (88 available)
Zfand2btm1Otin mutation (0 available); any Zfand2b mutation (11 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
N
• mice exhibit normal spleen weight with no significant alterations in hematocrit and WBC, lymphocyte, granulocyte or platelet number in peripheral blood relative to wild-type or single Igf1rtm1.2Mhz heterozygous controls at 6 and 12 months of age
• normal % and absolute number of LSK+ cells in bone marrow and spleen with no evidence of reticulin fibers (myelofibrosis) in bone marrow at 12 months of age, unlike in Zfand2btm1Otin homozygotes
• normal total number of bone marrow cells, with no significant differences in the number of mature myeloid cells or nucleated red cells relative to wild-type or single Igf1rtm1.2Mhz heterozygous controls

neoplasm
N
• mice do NOT develop myeloproliferative neoplasms, unlike Zfand2btm1Otin homozygotes




Genotype
MGI:3820233
cx6
Allelic
Composition
Igf1rtm1Arge/Igf1r+
Igf2rtm1Arge/Igf2r+
Genetic
Background
involves: 129/Sv * 129S/SvEv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igf1rtm1Arge mutation (0 available); any Igf1r mutation (88 available)
Igf2rtm1Arge mutation (0 available); any Igf2r mutation (99 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• when Igf2rtm1Arge is inherited maternally, most mice die perinatally with some exceptions
• when Igf2rtm1Arge is inherited maternally, most mice die perinatally with some exceptions

growth/size/body
• when Igf2rtm1Arge is inherited maternally, birth weight is 135% of normal




Genotype
MGI:3820234
cx7
Allelic
Composition
Igf1rtm1Arge/Igf1r+
Igf2rtm1Arge/Igf2rtm1Arge
Genetic
Background
involves: 129/Sv * 129S/SvEv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igf1rtm1Arge mutation (0 available); any Igf1r mutation (88 available)
Igf2rtm1Arge mutation (0 available); any Igf2r mutation (99 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• most mice die perinatally with some exceptions
• most mice die perinatally with some exceptions

growth/size/body
• birth weight is 135% of normal




Genotype
MGI:3820232
cx8
Allelic
Composition
Igf1rtm1Arge/Igf1r+
Igf2rtm2Arge/Igf2r+
Genetic
Background
involves: 129/Sv * 129S/SvEv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igf1rtm1Arge mutation (0 available); any Igf1r mutation (88 available)
Igf2rtm2Arge mutation (0 available); any Igf2r mutation (99 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• when Igf2rtm2Arge is inherited maternally, most mice die perinatally with some exceptions
• when Igf2rtm2Arge is inherited maternally, most mice die perinatally with some exceptions

growth/size/body
• when Igf2rtm2Arge is inherited maternally, birth weight is 135% of normal




Genotype
MGI:3820231
cx9
Allelic
Composition
Igf1rtm1Arge/Igf1r+
Igf2rtm2Arge/Igf2rtm2Arge
Genetic
Background
involves: 129/Sv * 129S/SvEv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igf1rtm1Arge mutation (0 available); any Igf1r mutation (88 available)
Igf2rtm2Arge mutation (0 available); any Igf2r mutation (99 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• most mice die perinatally with some exceptions
• most mice die perinatally with some exceptions

growth/size/body
• birth weight is 135% of normal





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last database update
03/18/2025
MGI 6.24
The Jackson Laboratory