About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Atm+
wild type
MGI:2433772
Summary 6 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Atmtm1Pmc/Atm+ B6.Cg-Atmtm1Pmc MGI:5644543
ht2
Atmtm1Awb/Atm+ involves: 129/Sv * 129S6/SvEvTac * C57BL/6 MGI:5614077
ht3
Atmtm1Mfl/Atm+ involves: 129T2/SvEms * C57BL/6J MGI:3702914
cx4
Atmtm1Pmc/Atm+
Lig4tm1Icrf/Lig4tm1Icrf
either: (involves: 129P2/OlaHsd) or (involves: 129S1/Sv * 129X1/SvJ) MGI:3655374
cx5
Atmtm1Led/Atm+
Kat8tm2Thl/Kat8+
involves: 129S1/Sv * 129S6/SvEvTac MGI:3769385
cx6
Atmtm1Awb/Atm+
Rad50tm2Jpt/Rad50tm2Jpt
involves: 129S6/SvEvTac * 129S7/SvEvBrd * C57BL/6 MGI:3615669


Genotype
MGI:5644543
ht1
Allelic
Composition
Atmtm1Pmc/Atm+
Genetic
Background
B6.Cg-Atmtm1Pmc
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Atmtm1Pmc mutation (0 available); any Atm mutation (167 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
• males fed a high-fat diet exhibit glucose intolerance and insulin resistance
• however, mice fed a normal diet do not exhibit glucose intolerance
• males fed a high-fat diet exhibit glucose intolerance and insulin resistance
• however, mice fed a normal diet do not exhibit insulin resistance




Genotype
MGI:5614077
ht2
Allelic
Composition
Atmtm1Awb/Atm+
Genetic
Background
involves: 129/Sv * 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Atmtm1Awb mutation (7 available); any Atm mutation (167 available)
Rad50tm4.1Jpt mutation (0 available); any Rad50 mutation (53 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
• cellularity is increased compared to mutant mice wild-type for Atm
• 2-fold larger than in mutant mice wild-type for Atm

hematopoietic system
N
• unlike mutant mice wild-type for Atm, the LSK population is similar to wild-type controls

nervous system
N
• unlike mutant mice wild-type for Atm, no mice with hydrocephaly are seen

endocrine/exocrine glands
• cellularity is increased compared to mutant mice wild-type for Atm
• 2-fold larger than in mutant mice wild-type for Atm




Genotype
MGI:3702914
ht3
Allelic
Composition
Atmtm1Mfl/Atm+
Genetic
Background
involves: 129T2/SvEms * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Atmtm1Mfl mutation (3 available); any Atm mutation (167 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• elevated tumor incidence
• average age at onset 18.6 months
• varying tumor types including dermatoid cysts
• 32% of total
• half of sarcomas are in Mammary glands

reproductive system

endocrine/exocrine glands




Genotype
MGI:3655374
cx4
Allelic
Composition
Atmtm1Pmc/Atm+
Lig4tm1Icrf/Lig4tm1Icrf
Genetic
Background
either: (involves: 129P2/OlaHsd) or (involves: 129S1/Sv * 129X1/SvJ)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Atmtm1Pmc mutation (0 available); any Atm mutation (167 available)
Lig4tm1Icrf mutation (0 available); any Lig4 mutation (46 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• extensive apoptosis occurs in the spinal cord at E11.5 and the developing cortex at E14.5

cellular
• extensive apoptosis occurs in the spinal cord at E11.5 and the developing cortex at E14.5




Genotype
MGI:3769385
cx5
Allelic
Composition
Atmtm1Led/Atm+
Kat8tm2Thl/Kat8+
Genetic
Background
involves: 129S1/Sv * 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Atmtm1Led mutation (0 available); any Atm mutation (167 available)
Kat8tm2Thl mutation (0 available); any Kat8 mutation (36 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• only 76% of mice survive the first year




Genotype
MGI:3615669
cx6
Allelic
Composition
Atmtm1Awb/Atm+
Rad50tm2Jpt/Rad50tm2Jpt
Genetic
Background
involves: 129S6/SvEvTac * 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Atmtm1Awb mutation (7 available); any Atm mutation (167 available)
Rad50tm2Jpt mutation (0 available); any Rad50 mutation (53 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• although most succumb to anemia, they have a significantly greater survival time than homozygous Rad50tm2Jpt mice, with 85% living longer than 5 months of age

neoplasm
• 16 of 67 develop lymphoma

hematopoietic system
• most succumb to anemia
• macrophage counts are decreased to a similar level as in homozygous Atmtm1Awb mice

immune system
• macrophage counts are decreased to a similar level as in homozygous Atmtm1Awb 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
03/18/2025
MGI 6.24
The Jackson Laboratory