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Relevance to Autism

A de novo splice-site variant in the OFD1 gene was identified in an ASD proband from the Simons Simplex Collection in Krumm et al., 2015. Targeted sequencing of 536 Chinese ASD probands and 1457 Chinese controls in Guo et al., 2017 identified a rare inherited damaging missense variant in OFD1 in a Chinese ASD proband; subsequent Transmission and De Novo Association (TADA) analysis of a combined cohort of Chinese ASD probands and controls, as well as ASD probands and controls from the Simons Simplex Collection and the Autism Sequencing Consortium, identified OFD1 as an ASD candidate gene with a PTADA of 0.001754.

Molecular Function

This gene is located on the X chromosome and encodes a centrosomal protein. A knockout mouse model has been used to study the effect of mutations in this gene. The mouse gene is also located on the X chromosome, however, unlike the human gene it is not subject to X inactivation. Mutations in this gene are associated with oral-facial-digital syndrome type I and Simpson-Golabi-Behmel syndrome type 2. Component of the centrioles controlling mother and daughter centrioles length. Recruits to the centriole IFT88 and centriole distal appendage-specific proteins including CEP164. Involved in the biogenesis of the cilium, a centriole-associated function. The cilium is a cell surface projection found in many vertebrate cells required to transduce signals important for development and tissue homeostasis. Plays an important role in development by regulating Wnt signaling and the specification of the left-right axis. Only OFD1 localized at the centriolar satellites is removed by autophagy, which i

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References

Type
Title
Type of Disorder
Associated Disorders
Author, Year
Primary
Excess of rare, inherited truncating mutations in autism.
ASD
Support
Genetic landscape of autism spectrum disorder in Vietnamese children
ASD
Recent Recommendation
Targeted sequencing and functional analysis reveal brain-size-related genes and their networks in autism spectrum disorders.
ASD

Rare

Variant ID
Variant Type
Allele Change
Residue Change
Inheritance Pattern
Inheritance Association
Family Type
Author, Year
 GEN961R001 
 splice_site_variant 
 c.1102-1G>T 
  
 De novo 
 NA 
 Simplex 
 GEN961R002 
 missense_variant 
 c.1066G>C 
 p.Glu356Gln 
 Familial 
  
  
 GEN961R003 
 missense_variant 
 c.2209A>G 
 p.Thr737Ala 
 Familial 
 Maternal 
 Simplex 

Common

No Common Variants Available
Chromosome
CNV Locus
CNV Type
# of studies
Animal Model
X
Deletion-Duplication
 17
 
X
Deletion-Duplication
 1
 
X
Deletion
 1
 
X
Deletion
 4
 
X
Deletion-Duplication
 1
 
X
Deletion
 1
 
X
Duplication
 1
 
X
Duplication
 1
 
X
Deletion
 2
 
X
Deletion
 1
 
X
Duplication
 4
 
X
Deletion
 1
 
X
Deletion-Duplication
 18
 

No Animal Model Data Available

 

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