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J Orthod. 2002 Dec;29(4):293-7; discussion 278.

Mutation testing in Treacher Collins Syndrome.

Author information

1
Orthodontic Department, Charles Clifford Dental Hospital, Sheffield, UK. pamela@ellisteeth.demon.co.uk

Abstract

OBJECTIVE:

To report on a study where 97 subjects were screened for mutations in the Treacher Collins syndrome (TCS) gene TCOF1.

METHOD:

Ninety-seven subjects with a clinical diagnosis of TCS were screened for potential mutations in TCOF1, by means of single strand conformation polymorphism (SSCP) analysis. In those subjects where potential mutations were detected, sequence analysis was performed to determine the site and type of mutation present.

RESULTS:

Thirty-six TCS-specific mutations are reported including 27 deletions, six point mutations, two splice junction mutations, and one insertion/deletion. This brings the total number of mutations reported to date to 105.

CONCLUSION:

The importance of detection of these mutations is mainly in postnatal diagnosis and genetic counselling. Knowledge of the family specific mutation may also be used in prenatal diagnosis to confirm whether the foetus is affected or not, and give the parents the choice of whether to continue with the pregnancy.

PMID:
12444270
DOI:
10.1093/ortho/29.4.293
[Indexed for MEDLINE]
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