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Phenotypes Associated with This Genotype
Genotype
MGI:3809311
Allelic
Composition
Tmprss6tm1Otin/Tmprss6tm1Otin
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tmprss6tm1Otin mutation (0 available); any Tmprss6 mutation (44 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
growth/size/body
• some growth retardation which is more pronounced in females

reproductive system
• marked retardation in ovary maturation

hematopoietic system
• severe hypochromia on blood smears
• hematopoietic defects reversed by iron-dextran treatment

homeostasis/metabolism
• severe iron deficiency
• reduced transferrin saturation

endocrine/exocrine glands
• marked retardation in ovary maturation

integument
• hair loss on the back starting at 2 weeks
• hair loss not seen on the head
• completely nude on dorsal and ventral regions of the thorax and abdomen by 4 weeks
• new hair growth starting about 10 days later with further cycles of progressive hair loss
• diffuse alopecia in dorsal regions continues throughout adulthood
• completely reversed by iron-dextran treatment
• disorganized, dystrophic, and hypoplastic at 4 weeks of age
• infundibular ectasia and hyperkeratosis at 4 weeks which disappears in adults
• thinner outer sheath in isthmus and inferior segment levels
• in newborns


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)
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last database update
03/25/2025
MGI 6.24
The Jackson Laboratory