Autism and maternally derived aberrations of chromosome 15q

Richard J. Schroer, Mary C. Phelan, Ron C. Michaelis, Eric C. Crawford, Steven A. Skinner, Michael Cuccaro, Richard J. Simensen, Janet Bishop, Cindy Skinner, Don Fender, Roger E. Stevenson

Research output: Contribution to journalArticle

303 Citations (Scopus)

Abstract

Of the chronic mental disabilities of childhood, autism is causally least well understood. The former view that autism was rooted in exposure to humorless and perfectionistic parenting has given way to the notion that genetic influences are dominant underlying factors. Still, identification of specific heritable factors has been slow with causes identified in only a few cases in unselected series. A broad search for genetic and environmental influences that cause or predispose to autism is the major thrust of the South Carolina Autism Project. Among the first 100 cases enrolled in the project, abnormalities of chromosome 15 have emerged as the single most common cause. The four abnormalities identified include deletions and duplications of proximal 15q. Other chromosome aberrations seen in single cases include a balanced 13;16 translocation, a pericentric inversion 12, a deletion of 20p, and a ring 7. Candidate genes involved in the 15q region affected by duplication and deletion include the ubiquitin-protein ligase (UBE3A) gene responsible for Angelman syndrome and genes for three GABA(A) receptor subunits. In all cases, the deletions or duplications occurred on the chromosome inherited from the mother.

Original languageEnglish
Pages (from-to)327-336
Number of pages10
JournalAmerican Journal of Medical Genetics
Volume76
Issue number4
DOIs
StatePublished - Apr 1 1998
Externally publishedYes

Fingerprint

Autistic Disorder
Chromosome Aberrations
Angelman Syndrome
Genes
Chromosomes, Human, Pair 15
Ubiquitin-Protein Ligases
GABA-A Receptors
Chromosomes

Keywords

  • Autism
  • Chromosome 15q
  • Chromosome deletion
  • Chromosome duplication
  • Mental retardation

ASJC Scopus subject areas

  • Genetics(clinical)

Cite this

Schroer, R. J., Phelan, M. C., Michaelis, R. C., Crawford, E. C., Skinner, S. A., Cuccaro, M., ... Stevenson, R. E. (1998). Autism and maternally derived aberrations of chromosome 15q. American Journal of Medical Genetics, 76(4), 327-336. https://doi.org/10.1002/(SICI)1096-8628(19980401)76:4<327::AID-AJMG8>3.0.CO;2-M

Autism and maternally derived aberrations of chromosome 15q. / Schroer, Richard J.; Phelan, Mary C.; Michaelis, Ron C.; Crawford, Eric C.; Skinner, Steven A.; Cuccaro, Michael; Simensen, Richard J.; Bishop, Janet; Skinner, Cindy; Fender, Don; Stevenson, Roger E.

In: American Journal of Medical Genetics, Vol. 76, No. 4, 01.04.1998, p. 327-336.

Research output: Contribution to journalArticle

Schroer, RJ, Phelan, MC, Michaelis, RC, Crawford, EC, Skinner, SA, Cuccaro, M, Simensen, RJ, Bishop, J, Skinner, C, Fender, D & Stevenson, RE 1998, 'Autism and maternally derived aberrations of chromosome 15q', American Journal of Medical Genetics, vol. 76, no. 4, pp. 327-336. https://doi.org/10.1002/(SICI)1096-8628(19980401)76:4<327::AID-AJMG8>3.0.CO;2-M
Schroer, Richard J. ; Phelan, Mary C. ; Michaelis, Ron C. ; Crawford, Eric C. ; Skinner, Steven A. ; Cuccaro, Michael ; Simensen, Richard J. ; Bishop, Janet ; Skinner, Cindy ; Fender, Don ; Stevenson, Roger E. / Autism and maternally derived aberrations of chromosome 15q. In: American Journal of Medical Genetics. 1998 ; Vol. 76, No. 4. pp. 327-336.
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