rs7868992

This is a intron variant variant in the COL27A1 gene.

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GWAS Catalog Trait Associations (1)

Genome-wide significant associations (p < 5×10⁻⁸) from the NHGRI-EBI GWAS Catalog.

Tourette syndrome

Scharf JM et al. “Genome-wide association study of Tourette's syndrome.” Molecular Psychiatry 18(6):721-8 (2013)
Allele G
OR 1.29
p 3.0e-8
N 6,249
Large GWAS
multi-ancestry
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Research that mentions this SNP (1)

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Screening individuals with intellectual disability, autism and Tourette's syndrome for KCNK9 mutations and aberrant DNA methylation within the 8q24 imprinted cluster.
ReviewMarta Sánchez Delgado et al.(2014)· American Journal of Medical Genetics Part B: Neuropsychiatric Genetics

This review examines the genetic and epigenetic basis of Tourette Syndrome (TS), a neurodevelopmental disorder with high heritability (0.45-0.77). The paper reviews candidate gene associations including variants in SLITRK1 (rs9593835, rs9546538, rs9531520), DRD2/ANKK1 (rs1800497), ADORA1/ADORA2A (rs2228079, rs5751876), and other dopaminergic genes, along with a large GWAS in 1285 cases and 4964 controls highlighting rs7868992 in COL27A1. The review proposes that epigenetic mechanisms (DNA methylation, histone modifications, non-coding RNAs) may link genetic susceptibility with environmental factors in TS pathogenesis.

Traits studied:Gilles de la Tourette SyndromeTic disordersTicsTourette Syndrome
PubMedDOIMetascience Observatory

About COL27A1

This gene encodes a member of the fibrillar collagen family, and plays a role during the calcification of cartilage and the transition of cartilage to bone. The encoded protein product is a preproprotein. It includes an N-terminal signal peptide, which is followed by an N-terminal propetide, mature peptide and a C-terminal propeptide. The N-terminal propeptide contains thrombospondin N-terminal-like and laminin G-like domains. The mature peptide is a major triple-helical region. The C-terminal propeptide, also known as COLFI domain, plays crucial roles in tissue growth and repair. Mutations in this gene cause Steel syndrome. Alternatively spliced transcript variants have been found, but the full-length nature of some variants has not been determined. [provided by RefSeq, Sep 2014]

View all COL27A1 variants →

Gene information from NCBI Gene. Variant classifications from ClinVar.

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