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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Ptch2+
wild type
MGI:2434612
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Ptch2tm1Hui/Ptch2+ involves: 129S1/Sv * 129X1/SvJ MGI:3662661
cx2
Ptch1tm1Mps/Ptch1+
Ptch2tm1Pmc/Ptch2+
Trp53tm1Tyj/Trp53tm1Tyj
involves: 129S1/Sv * 129S2/SvPas * 129X1/SvJ * C57BL/6 MGI:3690370
cx3
Ptch1tm1Mps/Ptch1+
Ptch2tm1Pmc/Ptch2+
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:3690366


Genotype
MGI:3662661
ht1
Allelic
Composition
Ptch2tm1Hui/Ptch2+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptch2tm1Hui mutation (0 available); any Ptch2 mutation (44 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
• seen in 21% of adult males, no hair loss is seen in females
• dermal hyperplasia is seen in 61% of male mice
• seen in 29% of male mice
• 74% of males develop some form of skin lesion consistently located on the dorsal and front paw skin and characterized by dermal hyperplasia, epidermal hyperplasia, hair follicle loss, and/or ulceration
• seen only in male mice
• lesions develop later (9 - 10 months of age) than in homozygous male mice
• 3% of males develop spontaneous skin ulcers




Genotype
MGI:3690370
cx2
Allelic
Composition
Ptch1tm1Mps/Ptch1+
Ptch2tm1Pmc/Ptch2+
Trp53tm1Tyj/Trp53tm1Tyj
Genetic
Background
involves: 129S1/Sv * 129S2/SvPas * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptch1tm1Mps mutation (2 available); any Ptch1 mutation (113 available)
Ptch2tm1Pmc mutation (0 available); any Ptch2 mutation (44 available)
Trp53tm1Tyj mutation (12 available); any Trp53 mutation (249 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
N
• mice show no increase in tumor incidence compared to Ptch1/Trp53 double null mice




Genotype
MGI:3690366
cx3
Allelic
Composition
Ptch1tm1Mps/Ptch1+
Ptch2tm1Pmc/Ptch2+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ptch1tm1Mps mutation (2 available); any Ptch1 mutation (113 available)
Ptch2tm1Pmc mutation (0 available); any Ptch2 mutation (44 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• 2/54 males develop testicular teratomas
• frequency is greater (3/63) compared to Ptch1-deficient mice (1/62)
• incidence is increased in frequency
• 50% develop tumors by 5 months of age, compared to ~15% of Ptch1-heterozygous, Ptch2-sufficient mice develop tumors by 12 months of age

cardiovascular system
• subcutaneous telangiectasia is observed in 2% of mice

digestive/alimentary system
• ~19% of mice display intestinal serosal angiectasis

muscle
• subcutaneous telangiectasia is observed in 2% of mice
• incidence is increased in frequency

integument
• frequency is greater (3/63) compared to Ptch1-deficient mice (1/62)

endocrine/exocrine glands
• 2/54 males develop testicular teratomas

reproductive system
• 2/54 males develop testicular teratomas

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
medulloblastoma DOID:0050902 OMIM:155255
J:112118





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Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
03/18/2025
MGI 6.24
The Jackson Laboratory