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Cited by 513

The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.

Microarray based comparative genomic hybridisation (array-CGH) detects submicroscopic chromosomal deletions and duplications in patients with learning disability/mental retardation and dysmorphic features

Open access
Shaw-Smith, C, Redon, R, Rickman, L, Rio, M, Willatt, L, Fiegler, H, Firth, H, Sanlaville, D, Winter, R, Colleaux, L, Bobrow, M, Carter, N P·2004·Journal of Medical Genetics

Abstract

The underlying causes of learning disability and dysmorphic features in many patients remain unidentified despite extensive investigation. Routine karyotype analysis is not sensitive enough to detect subtle chromosome rearrangements (less than 5 Mb). The presence of subtle DNA copy number changes was investigated by array-CGH in 50 patients with learning disability and dysmorphism, employing a DNA microarray constructed from large insert clones spaced at approximately 1 Mb intervals across the genome. Twelve copy number abnormalities were identified in 12 patients (24% of the total): seven deletions (six apparently de novo and one inherited from a phenotypically normal parent) and five duplications (one de novo and four inherited from phenotypically normal parents). Altered segments ranged in size from those involving a single clone to regions as large as 14 Mb. No recurrent deletion or duplication was identified within this cohort of patients. On the basis of these results, we anticipate that array-CGH will become a routine method of genome-wide screening for imbalanced rearrangements in children with learning disability.

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Crossref · 10.1136/jmg.2003.017731

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Metadata

Authors
Shaw-Smith, C., Redon, R., Rickman, L., Rio, M., Willatt, L., Fiegler, H., Firth, H., Sanlaville, D., Winter, R., Colleaux, L., Bobrow, M., & Carter, N. P.
Venue
Journal of Medical Genetics
Publisher
BMJ
Published
2004-04
Volume
41
Issue
4
Pages
241-248
ISSN
  • 0022-2593 (ISSN-L)
  • 1468-6244
OpenAlex
W2108637300
Cited by
513
References
2
FWCI
32.16
Type
journal article
Language
en
Open access
bronze

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