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Relevance to Autism

Rare mutations in the CXCR3 gene have been identified with autism (Piton et al., 2011).

Molecular Function

A G protein-coupled receptor with selectivity for the chemokines IP10, Mig and I-TAC.

External Links

        

References

Type
Title
Type of Disorder
Associated Disorders
Author, Year
Primary
Systematic resequencing of X-chromosome synaptic genes in autism spectrum disorder and schizophrenia.
ASD
SCZ
Support
Inherited and De Novo Genetic Risk for Autism Impacts Shared Networks.
ASD
Support
Rare complete knockouts in humans: population distribution and significant role in autism spectrum disorders.
ASD
Support
Whole-exome sequencing and homozygosity analysis implicate depolarization-regulated neuronal genes in autism.
ASD
Highly Cited
The chemokine receptors CXCR3 and CCR5 mark subsets of T cells associated with certain inflammatory reactions.
Highly Cited
CXCR3-dependent microglial recruitment is essential for dendrite loss after brain lesion.
Highly Cited
An alternatively spliced variant of CXCR3 mediates the inhibition of endothelial cell growth induced by IP-10, Mig, and I-TAC, and acts as function...
Recent Recommendation
Expression of CXCL10 in cultured cortical neurons.
Recent Recommendation
Unaltered neurological disease and mortality in CXCR3-deficient mice infected intracranially with lymphocytic choriomeningitis virus-Armstrong.

Rare

Variant ID
Variant Type
Allele Change
Residue Change
Inheritance Pattern
Inheritance Association
Family Type
Author, Year
 GEN055R001 
 missense_variant 
 c.343G>C 
 p.Val115Leu 
 Familial 
 Maternal 
  
 GEN055R002 
 missense_variant 
 c.990G>T 
 p.Leu330= 
 Familial 
 Maternal 
 Extended multiplex 
 GEN055R003 
 stop_gained 
 c.73C>T 
 p.Gln25Ter 
 Unknown 
  
 Unknown 
 GEN055R004 
 frameshift_variant 
 c.101_102del 
 p.Glu34ValfsTer20 
 Familial 
 Maternal 
 Multiplex 

Common

No Common Variants Available
Chromosome
CNV Locus
CNV Type
# of studies
Animal Model
X
Deletion
 1
 
X
Duplication
 1
 
X
Deletion
 1
 
X
Deletion-Duplication
 21
 
X
Deletion
 2
 
X
Duplication
 2
 
X
Duplication
 1
 
X
Duplication
 1
 

Model Summary

Ameliorated nephritis in CXCR3-deficient mice due to impaired renal trafficking of effector T cells.

References

Type
Title
Author, Year
Primary
Chemokine receptor CXCR3 mediates T cell recruitment and tissue injury in nephrotoxic nephritis in mice.

M_CXCR3_1_KO_HM

Model Type: Genetic
Model Genotype: Homozygous
Mutation: Homologous recombination of targeting vector leading to deletion of exon 2 of the Cxcr3 gene.
Allele Type: Targeted (Deletion)
Strain of Origin: C57BL/6
Genetic Background: Not Specified
ES Cell Line: Not Reported
Mutant ES Cell Line: Not Reported
Model Source: Not Reported

M_CXCR3_1_KO_HM

Category
Entity
Quantity
Experimental Paradigm
Age at Testing
Serum protein levels1
Decreased
Description: Decreased serum creatinine, blood urea nitrogen (bun) in response to nephritis, at 14 d compared to wild type; decreased albuminuria at 7 and 14 d in response to nephritis, compared to wild type
Exp Paradigm: Elisa
 Elisa
 Unreported
Autoimmune reaction1
Decreased
Description: Decreased nephritis induced histologic injury of kidneys indicated by less glomerular crescent formation and reduced glomerular sclerosis
Exp Paradigm: Histological analysis
 Histology
 Unreported
Adaptive immune response: t cells1
Decreased
Description: Decreased tubulointerstitial t cell infiltrates during autologous and heterologous phase of nephritis
Exp Paradigm: Immunohistochemical cd3 analysis of renal cells; flow cytometric analysis of renal single-cell suspensions
 Flow cytometric analysis
 Unreported
Innate immune response1
Decreased
Description: Decreaesd inflitrating tubulointerstitial and glomerular monoctyes after nephritis
Exp Paradigm: Quantification of tubulointerstitial f4/80+ and glomerular mac-2+ monocytes
 Immunohistochemistry
 Unreported
Adaptive immune response: t cells1
Decreased
Description: Decreased renal ifn-gamma levels after induction of nephritis
Exp Paradigm: NA
 NA
 Unreported
Autoimmune reaction1
Decreased
Description: Decreased renal injury due to nephritis indicated by decreased glomerulosclerosis and infrequent glomerular crescent formation
Exp Paradigm: Periodic acid-schiff staining of nephritic mice
 Histology
 Unreported
Chemotaxis1
Decreased
Description: Decreased chemotaxis with no migration above basal migration rate in response to cxcr3 specific ligand ip-10/cxcl10
Exp Paradigm: Chemotaxis
 In vitro splenic t cells chemotaxis
 Unreported
Gene expression1
Increased
Description: Increased upregulation of ip-10/cxcl10 mrna during heterologous phase of nephritis
Exp Paradigm: Quantitative pcr (qrt-pcr)
 Quantitative pcr (qrt-pcr)
 Unreported
Gene expression1
Decreased
Description: Decreased expression of cxcr3 mrna and protein in spleen cells
Exp Paradigm: Cxcr3 mrna and protein expression-quantitative pcr (qrt-pcr)
 Quantitative pcr (qrt-pcr)
 Unreported
Gene expression1
Decreased
Description: Decreased expression of cxcr3 mrna and protein in spleen cells
Exp Paradigm: Cxcr3 mrna and protein expression- flow cytometric analysis
 Flow cytometric analysis
 Unreported
General characteristics1
 No change
 General observations
 Unreported
Renal morphology1
 No change
 Electron microscopy
 12 months
Renal morphology1
 No change
 Histology
 12 months
Adaptive immune response: b cells1
 No change
 Elisa
 Unreported
Gene expression1
 No change
 Quantitative pcr (qrt-pcr)
 Unreported
 Not Reported: Circadian sleep/wake cycle, Communications, Emotion, Learning & memory, Maternal behavior, Motor phenotype, Neuroanatomy / ultrastructure / cytoarchitecture, Neurophysiology, Physiological parameters, Repetitive behavior, Seizure, Sensory, Social behavior

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