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Relevance to Autism

Significant reduction of Dab-1 mRNA was seen in superior frontal and cerebellar areas of autistic brains compared to control brains (Fatemi et al., 2005).

Molecular Function

DAB1 serves as an intracellular adaptor for reelin signaling pathway

External Links

        

References

Type
Title
Type of Disorder
Associated Disorders
Author, Year
Primary
Reelin signaling is impaired in autism.
ASD
Support
A discovery resource of rare copy number variations in individuals with autism spectrum disorder.
ASD
Support
Mice with Dab1 or Vldlr insufficiency exhibit abnormal neonatal vocalization patterns.
Highly Cited
Neuronal position in the developing brain is regulated by mouse disabled-1.
Highly Cited
Direct binding of Reelin to VLDL receptor and ApoE receptor 2 induces tyrosine phosphorylation of disabled-1 and modulates tau phosphorylation.
Recent Recommendation
Relative importance of the tyrosine phosphorylation sites of Disabled-1 to the transmission of Reelin signaling.
Recent Recommendation
Differential interaction of the Pafah1b alpha subunits with the Reelin transducer Dab1.

Rare

Variant ID
Variant Type
Allele Change
Residue Change
Inheritance Pattern
Inheritance Association
Family Type
Author, Year
 GEN057R001 
 copy_number_gain 
  
  
 Unknown 
  
 Unknown 

Common

No Common Variants Available
Chromosome
CNV Locus
CNV Type
# of studies
Animal Model
1
Deletion-Duplication
 6
 
1
Deletion
 1
 
1
Duplication
 1
 
1
Deletion
 1
 
1
Duplication
 1
 

Model Summary

Reelin pathway contributes to the formation of neuronal circuits in the CNS in addition to neuronal migration.

References

Type
Title
Author, Year
Primary
The reelin pathway modulates the structure and function of retinal synaptic circuitry.

M_DAB1_1_SM_HM

Model Type: Genetic
Model Genotype: Homozygous
Mutation: Scrambler mutant mice from Jackson Laboratory.
Allele Type: Spontaneous Mutation
Strain of Origin: Dancer
Genetic Background: C3H; C57BL/6J
ES Cell Line: Not Specified
Mutant ES Cell Line: Not Specified
Model Source: Jackson Laboratory

M_DAB1_1_SM_HM

Category
Entity
Quantity
Experimental Paradigm
Age at Testing
Electroretinogram (erg)1
Decreased
Description: Decreased amplitude of both a- and b- wave; delay in timing of peak components; smaller and delayed oscillatory potentials (op); delayed and reduced amplitude of cone function
Exp Paradigm: Electroretinogram
 Electroretinogram (erg)
 2-5 months
Morphology of the retina: rod bipolar cells1
Decreased
Description: Decreased rod bipolar cell density
Exp Paradigm: Whole-mount retina preparations
 Histology
 Unreported
Morphology of the retina1
 No change
 Histology
 Unreported
 Not Reported: Circadian sleep/wake cycle, Communications, Developmental profile, Emotion, Immune response, Learning & memory, Maternal behavior, Molecular profile, Motor phenotype, Neuroanatomy / ultrastructure / cytoarchitecture, Physiological parameters, Repetitive behavior, Seizure, Social behavior

 

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