mortality/aging
• death in mice carrying thymic lymphomas occcurs by 4-5 months of age
• 50% of mice survive 10 months or more
|
growth/size/body
• approximately a 20% reduction in body weight is observed
|
neoplasm
• T cell-derived lymphomas frequently resulted in premature death
|
immune system
• T cell-derived lymphomas frequently resulted in premature death
|
• only 40-50% of the normal levels of thymocytes and splenocytes are seen
|
• reduced numbers of immature B cells in bone marrow
|
• reduced numbers of precursor B cells in bone marrow
• mature B cell numbers are similar to controls
|
• 8-10 fold reduction in splenic T cell numbers
|
• 2-fold decrease in double positive and a 5-fold decrease in single positive thymocytes
|
• only 40-50% of the normal levels of splenocytes are seen
|
behavior/neurological
• mice do not exhibit improvement over time on the accelerating rotarod test
|
• adult mice tend to explore an open field less than controls
|
nervous system
• Purkinje cell axons exhibit varicosities in the internal granule cell layer; however, these swellings are small and unlike the large axonal swellings seen in human Ataxia-Telangiectasia patients
|
• irregular pattern of dendrites; consistently branch prematurely and have multiple dendrites originating from one cell body
• dendrites often project at odd angles in the molecular layer
|
• Purkinje cell bodies are seen in the molecular layer
|
• the cerebellum molecular layer is approximately 13% thinner than controls
|
reproductive system
cellular
• homozygous cells were hypersensitive to irradiation (data not shown)
|
hematopoietic system
• T cell-derived lymphomas frequently resulted in premature death
|
• only 40-50% of the normal levels of thymocytes and splenocytes are seen
|
• reduced numbers of immature B cells in bone marrow
|
• reduced numbers of precursor B cells in bone marrow
• mature B cell numbers are similar to controls
|
• 8-10 fold reduction in splenic T cell numbers
|
• 2-fold decrease in double positive and a 5-fold decrease in single positive thymocytes
|
• only 40-50% of the normal levels of splenocytes are seen
|
endocrine/exocrine glands
• 2-fold decrease in double positive and a 5-fold decrease in single positive thymocytes
|
• T cell-derived lymphomas frequently resulted in premature death
|
Mouse Models of Human Disease |
DO ID | OMIM ID(s) | Ref(s) | |
ataxia telangiectasia | DOID:12704 |
OMIM:208900 |
J:61201 |