MET and autism susceptibility

Family and case-control studies

Inês Sousa, Taane G. Clark, Claudio Toma, Kazuhiro Kobayashi, Maja Choma, Richard Holt, Nuala H. Sykes, Janine A. Lamb, Anthony J. Bailey, Agatino Battaglia, Elena Maestrini, Anthony P. Monaco

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Autism is a common, severe and highly heritable neurodevelopmental disorder. The International Molecular Genetic Study of Autism Consortium (IMGSAC) genome screen for linkage in affected sib-pair families identified a chromosome 7q susceptibility locus (AUTS1), that has subsequently shown evidence of increased sharing in several independent multiplex samples and in two meta-analyses. Taking into account the location of the MET gene under this linkage peak, and the fact that it has recently been reported to be associated with autism, the gene was further analyzed as a promising autism candidate. The gene encodes a transmembrane receptor tyrosine kinase of the hepatocyte growth factor/ scatter factor (HGF/SF). MET is best known as an oncogene, but its signalling also participates in immune function, peripheral organ development and repair, and the development of the cerebral cortex and cerebellum (all of which have been observed earlier as being disregulated in individuals with autism). Here we present a family-based association analysis covering the entire MET locus. Significant results were obtained in both single locus and haplotype approaches with a single nucleotide polymorphism in intron 1 (rs38845, P <0.004) and with one intronic haplotype (AAGTG, P <0.009) in 325 multiplex IMGSAC families and 10 IMGSAC trios. Although these results failed to replicate in an independent sample of 82 Italian trios, the association itself was confirmed by a case-control analysis performed using the Italian cohort (P <0.02). The previously reported positive association of rs1858830 failed to replicate in this study. Overall, our findings provide further evidence that MET may play a role in autism susceptibility.

Original languageEnglish
Pages (from-to)749-758
Number of pages10
JournalEuropean Journal of Human Genetics
Volume17
Issue number6
DOIs
Publication statusPublished - 2009

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Autistic Disorder
Case-Control Studies
Molecular Biology
Hepatocyte Growth Factor
Haplotypes
Genes
Receptor Protein-Tyrosine Kinases
Oncogenes
Cerebral Cortex
Introns
Cerebellum
Single Nucleotide Polymorphism
Meta-Analysis
Chromosomes
Genome

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

Cite this

Sousa, I., Clark, T. G., Toma, C., Kobayashi, K., Choma, M., Holt, R., ... Monaco, A. P. (2009). MET and autism susceptibility: Family and case-control studies. European Journal of Human Genetics, 17(6), 749-758. https://doi.org/10.1038/ejhg.2008.215

MET and autism susceptibility : Family and case-control studies. / Sousa, Inês; Clark, Taane G.; Toma, Claudio; Kobayashi, Kazuhiro; Choma, Maja; Holt, Richard; Sykes, Nuala H.; Lamb, Janine A.; Bailey, Anthony J.; Battaglia, Agatino; Maestrini, Elena; Monaco, Anthony P.

In: European Journal of Human Genetics, Vol. 17, No. 6, 2009, p. 749-758.

Research output: Contribution to journalArticle

Sousa, I, Clark, TG, Toma, C, Kobayashi, K, Choma, M, Holt, R, Sykes, NH, Lamb, JA, Bailey, AJ, Battaglia, A, Maestrini, E & Monaco, AP 2009, 'MET and autism susceptibility: Family and case-control studies', European Journal of Human Genetics, vol. 17, no. 6, pp. 749-758. https://doi.org/10.1038/ejhg.2008.215
Sousa, Inês ; Clark, Taane G. ; Toma, Claudio ; Kobayashi, Kazuhiro ; Choma, Maja ; Holt, Richard ; Sykes, Nuala H. ; Lamb, Janine A. ; Bailey, Anthony J. ; Battaglia, Agatino ; Maestrini, Elena ; Monaco, Anthony P. / MET and autism susceptibility : Family and case-control studies. In: European Journal of Human Genetics. 2009 ; Vol. 17, No. 6. pp. 749-758.
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