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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Pttg1tm1Sme
targeted mutation 1, Shlomo Melmed
MGI:2157014
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Pttg1tm1Sme/Pttg1tm1Sme involves: 129S4/SvJae * C57BL/6 MGI:3056896


Genotype
MGI:3056896
hm1
Allelic
Composition
Pttg1tm1Sme/Pttg1tm1Sme
Genetic
Background
involves: 129S4/SvJae * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pttg1tm1Sme mutation (0 available); any Pttg1 mutation (16 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
adipose tissue
• loss of epididymal fat pad mass in males after 6 months

cellular
• impaired beta cell proliferation in adult males

behavior/neurological
• increased food uptake in adult males

endocrine/exocrine glands
• impaired beta cell proliferation in adult males
• 3% of beta cells in 3 month old males are large with macronuclei, multiple nuclei and absent intranuclear septa
• reduced islet beta cell mass in adult males
• thymus enlarged to 115-135% of wild-type
• enlargement most pronounced between 4-5 weeks
• adult testicle weight reduced to 45-55% of wildtype

growth/size/body
• at 6 months males show no further weight gain

hematopoietic system
• thymus enlarged to 115-135% of wild-type
• enlargement most pronounced between 4-5 weeks
• platelets reduced to 40-65% of wildtype
• increased CD4+CD8- cells in thymus
• reduced spleen weight (50-75%) observed at weaning
• impaired IgM and IgG1a antibody production in response to keyhole limpet hemocyanin

homeostasis/metabolism
• fasting hyperglycemia develops in males after 6 months
• fasting hyperglycemia develops in females only after ovary removal
• decreased insulin production in males over 6 months

immune system
• increased CD4+CD8- cells in thymus
• impaired IgM and IgG1a antibody production in response to keyhole limpet hemocyanin
• thymus enlarged to 115-135% of wild-type
• enlargement most pronounced between 4-5 weeks
• reduced spleen weight (50-75%) observed at weaning

renal/urinary system
• observed in males after 6 months

reproductive system
• adult testicle weight reduced to 45-55% of wildtype
• average litter size smaller than wildtype





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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
11/12/2024
MGI 6.24
The Jackson Laboratory