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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Del(6Snca)1Slab
deletion, Chr 6, Schoepfer Lab 1
MGI:2154692
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Del(6Snca)1Slab/Del(6Snca)1Slab C57BL/6JOlaHsd MGI:3510546
cx2
Tg(Camk2a-SNCA*)2Mgsp/0
Del(6Snca)1Slab/Del(6Snca)1Slab
B6JOlaHsd.Cg-Tg(Camk2a-SNCA*)2Mgsp MGI:5696738
cx3
Del(6Snca)1Slab/Del(6Snca)1Slab
Tg(Th-SNCA*)1Mgsp/0
involves: C57BL/6J * C57BL/6JOlaHsd * CBA/Ca MGI:3758650


Genotype
MGI:3510546
hm1
Allelic
Composition
Del(6Snca)1Slab/Del(6Snca)1Slab
Genetic
Background
C57BL/6JOlaHsd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Del(6Snca)1Slab mutation (1 available); any Del(6Snca)1Slab mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• no signs of Parkinsonism in mice up to ages beyond 1 year
• resistant to the effects of metamphetamine on dopamine and DOPAC levels
• protein levels of sideroflexin 3 (SFXN3, a mitochondrial protein localized to the inner mitochondrial membrane) are significantly upregulated in synaptosomes relative to those in C57BL/6J control mice




Genotype
MGI:5696738
cx2
Allelic
Composition
Tg(Camk2a-SNCA*)2Mgsp/0
Del(6Snca)1Slab/Del(6Snca)1Slab
Genetic
Background
B6JOlaHsd.Cg-Tg(Camk2a-SNCA*)2Mgsp
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Del(6Snca)1Slab mutation (1 available); any Del(6Snca)1Slab mutation (1 available)
Tg(Camk2a-SNCA*)2Mgsp mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• in the Barnes maze, mice do not show a difference in latency to find the target hole across 5 days of testing, however they show an increase in the number of errors at days 3 and 4, indicating a partial learning impairment
• in the Barnes maze, mice show a deficit in their memory for the correct location of the target escape hole in the probe trial
• in the novel object recognition test, mice at 3 months of age spend less time exploring the novel object, which becomes more pronounced at 6 months of age

nervous system
• accumulation of the transgenic alpha-synuclein protein in the forebrain

taste/olfaction
• in the buried food test, mice show a slight but significant delay in the time spent to locate the food pellet at 1 month of age, but not at 3 or 4 months of age

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
Lewy body dementia DOID:12217 OMIM:127750
J:219640




Genotype
MGI:3758650
cx3
Allelic
Composition
Del(6Snca)1Slab/Del(6Snca)1Slab
Tg(Th-SNCA*)1Mgsp/0
Genetic
Background
involves: C57BL/6J * C57BL/6JOlaHsd * CBA/Ca
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Del(6Snca)1Slab mutation (1 available); any Del(6Snca)1Slab mutation (1 available)
Tg(Th-SNCA*)1Mgsp mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• at 18 months, mice show significantly reduced spontaneous activity relative to non-transgenic controls
• at 18 months, mice exhibit an enhanced locomotor response to amphetamine treatment compared to controls

hematopoietic system
• increased number of microglial cells associated with affected brain regions

immune system
• increased number of microglial cells associated with affected brain regions

nervous system
• increased number of microglial cells associated with affected brain regions
• at 12-14 months of age, neurons show pathological changes including dense, shrunken perikarya, beaded or dystrophic processes, as well as perinuclear or very localized inclusions
• deep inclusions are observed in cytoplasm of dopaminergic neurons
• granular deposits and vacuolation of the cytoplasm are detected in older mice
• dopaminergic axons in the striatum appear with focal varicose swellings and seem to have larger diameters than littermate controls
• mutant human alpha-synuclein protein accumulates in inclusion-like structures in substatia nigra and olfactory bulb at all ages studied
• by 3 months, alpha-synuclein protein accumulates in the somatodendritic compartment

homeostasis/metabolism
• in anterior striatum, dopamine (DA) levels are reduced by ~30% at time points later than 1 month of age; this is paralleled by a 30% reduction in the DA metabolite homovanillic acid





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last database update
04/16/2024
MGI 6.23
The Jackson Laboratory