Disruption of Neurexin 1 Associated with Autism Spectrum Disorder

Hyung Goo Kim, Shotaro Kishikawa, Anne W. Higgins, Ihn Sik Seong, Diana J. Donovan, Yiping Shen, Eric Lally, Lauren A. Weiss, Juliane Najm, Kerstin Kutsche, Maria Descartes, Lynn Holt, Stephen Braddock, Robin Troxell, Lee Kaplan, Fred Volkmar, Ami Klin, Katherine Tsatsanis, David J. Harris, Ilse NoensDavid L. Pauls, Mark J. Daly, Marcy E E. MacDonald, Cynthia C. Morton, Bradley J. Quade, James F. Gusella

Research output: Contribution to journalArticle

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Abstract

Autism is a neurodevelopmental disorder of complex etiology in which genetic factors play a major role. We have implicated the neurexin 1 (NRXN1) gene in two independent subjects who display an autism spectrum disorder (ASD) in association with a balanced chromosomal abnormality involving 2p16.3. In the first, with karyotype 46,XX,ins(16;2)(q22.1;p16.1p16.3)pat, NRXN1 is directly disrupted within intron 5. Importantly, the father possesses the same chromosomal abnormality in the absence of ASD, indicating that the interruption of α-NRXN1 is not fully penetrant and must interact with other factors to produce ASD. The breakpoint in the second subject, with 46,XY,t(1;2)(q31.3;p16.3)dn, occurs ∼750 kb 5′ to NRXN1 within a 2.6 Mb genomic segment that harbors no currently annotated genes. A scan of the NRXN1 coding sequence in a cohort of ASD subjects, relative to non-ASD controls, revealed that amino acid alterations in neurexin 1 are not present at high frequency in ASD. However, a number of rare sequence variants in the coding region, including two missense changes in conserved residues of the α-neurexin 1 leader sequence and of an epidermal growth factor (EGF)-like domain, respectively, suggest that even subtle changes in NRXN1 might contribute to susceptibility to ASD.

Original languageEnglish (US)
Pages (from-to)199-207
Number of pages9
JournalAmerican Journal of Human Genetics
Volume82
Issue number1
DOIs
StatePublished - Jan 10 2008

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Chromosome Aberrations
Autistic Disorder
Karyotype
Epidermal Growth Factor
Fathers
Introns
Genes
Autism Spectrum Disorder
Amino Acids
Neurodevelopmental Disorders

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Kim, H. G., Kishikawa, S., Higgins, A. W., Seong, I. S., Donovan, D. J., Shen, Y., ... Gusella, J. F. (2008). Disruption of Neurexin 1 Associated with Autism Spectrum Disorder. American Journal of Human Genetics, 82(1), 199-207. https://doi.org/10.1016/j.ajhg.2007.09.011

Disruption of Neurexin 1 Associated with Autism Spectrum Disorder. / Kim, Hyung Goo; Kishikawa, Shotaro; Higgins, Anne W.; Seong, Ihn Sik; Donovan, Diana J.; Shen, Yiping; Lally, Eric; Weiss, Lauren A.; Najm, Juliane; Kutsche, Kerstin; Descartes, Maria; Holt, Lynn; Braddock, Stephen; Troxell, Robin; Kaplan, Lee; Volkmar, Fred; Klin, Ami; Tsatsanis, Katherine; Harris, David J.; Noens, Ilse; Pauls, David L.; Daly, Mark J.; MacDonald, Marcy E E.; Morton, Cynthia C.; Quade, Bradley J.; Gusella, James F.

In: American Journal of Human Genetics, Vol. 82, No. 1, 10.01.2008, p. 199-207.

Research output: Contribution to journalArticle

Kim, HG, Kishikawa, S, Higgins, AW, Seong, IS, Donovan, DJ, Shen, Y, Lally, E, Weiss, LA, Najm, J, Kutsche, K, Descartes, M, Holt, L, Braddock, S, Troxell, R, Kaplan, L, Volkmar, F, Klin, A, Tsatsanis, K, Harris, DJ, Noens, I, Pauls, DL, Daly, MJ, MacDonald, MEE, Morton, CC, Quade, BJ & Gusella, JF 2008, 'Disruption of Neurexin 1 Associated with Autism Spectrum Disorder', American Journal of Human Genetics, vol. 82, no. 1, pp. 199-207. https://doi.org/10.1016/j.ajhg.2007.09.011
Kim HG, Kishikawa S, Higgins AW, Seong IS, Donovan DJ, Shen Y et al. Disruption of Neurexin 1 Associated with Autism Spectrum Disorder. American Journal of Human Genetics. 2008 Jan 10;82(1):199-207. https://doi.org/10.1016/j.ajhg.2007.09.011
Kim, Hyung Goo ; Kishikawa, Shotaro ; Higgins, Anne W. ; Seong, Ihn Sik ; Donovan, Diana J. ; Shen, Yiping ; Lally, Eric ; Weiss, Lauren A. ; Najm, Juliane ; Kutsche, Kerstin ; Descartes, Maria ; Holt, Lynn ; Braddock, Stephen ; Troxell, Robin ; Kaplan, Lee ; Volkmar, Fred ; Klin, Ami ; Tsatsanis, Katherine ; Harris, David J. ; Noens, Ilse ; Pauls, David L. ; Daly, Mark J. ; MacDonald, Marcy E E. ; Morton, Cynthia C. ; Quade, Bradley J. ; Gusella, James F. / Disruption of Neurexin 1 Associated with Autism Spectrum Disorder. In: American Journal of Human Genetics. 2008 ; Vol. 82, No. 1. pp. 199-207.
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