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Phenotypes Associated with This Genotype
Genotype
MGI:3717259
Allelic
Composition
Tg(APPSWE)2576Kha/0
Tg(PDGFB-PSEN1M146L)2Jhd/0
Genetic
Background
involves: C57BL/6 * DBA/2 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tg(APPSWE)2576Kha mutation (5 available)
Tg(PDGFB-PSEN1M146L)2Jhd mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• ins some areas of cortex in older animals,astrocytes appear dystrophic and are no longer closely associated with plaques, although nearby plaques are associated with activated glial cells
• activated microglia accumulate around amyloid beta deposits from ~ 3 months; number of glia increases with age and amyloid accumulation
• activated astrocytes accumulate around amyloid deposits in frontal cortex of 3 month old mice
• at <3 months of age, mice show amyloid beta deposits in frontal cortex; with age, deposits spread throughout cortex, and to the hippocampus, thalamus and dentate gyrus
• by 1 year of age, deposits are widely observed, with no apparent increase in total amount of amyloid deposited after this age
• some fibrillar amyloid beta deposits are detected in the frontal cortex of youngest mice, with absence of deposits in more caudal regions; number of fibrillar deposits increases up to 1 year of age, with area covered by fibrillar deposits increasing up to 2 years of age
• at 1 year, area covered by fibrillar deposits is ~50% of total amyloid beta, but comprises majority of total covered area by 2.5 years of age

homeostasis/metabolism
• at <3 months of age, mice show amyloid beta deposits in frontal cortex; with age, deposits spread throughout cortex, and to the hippocampus, thalamus and dentate gyrus
• by 1 year of age, deposits are widely observed, with no apparent increase in total amount of amyloid deposited after this age
• some fibrillar amyloid beta deposits are detected in the frontal cortex of youngest mice, with absence of deposits in more caudal regions; number of fibrillar deposits increases up to 1 year of age, with area covered by fibrillar deposits increasing up to 2 years of age
• at 1 year, area covered by fibrillar deposits is ~50% of total amyloid beta, but comprises majority of total covered area by 2.5 years of age

cellular
• ins some areas of cortex in older animals,astrocytes appear dystrophic and are no longer closely associated with plaques, although nearby plaques are associated with activated glial cells
• activated microglia accumulate around amyloid beta deposits from ~ 3 months; number of glia increases with age and amyloid accumulation
• activated astrocytes accumulate around amyloid deposits in frontal cortex of 3 month old 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)
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last database update
03/25/2025
MGI 6.24
The Jackson Laboratory