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J Paediatr Child Health. 2000 Aug;36(4):336-9.

Family data in Rett syndrome: association with other genetic disorders.

Author information

1
TVW Telethon Institute for Child Health Research, West Perth, Australia. hleonard@cyllene.uwa.edu.au

Abstract

BACKGROUND:

Rett syndrome is a neurological disorder, almost exclusively affecting girls.

METHODOLOGY:

Between 1993 and 1995 pedigree data were obtained from families of girls registered with the Australian Rett syndrome database.

RESULTS:

Although 21 individual disorders were reported to be present in family members of affected girls, there was no apparent clustering of the same disorder in different families. However it was certain that a geneticist had been involved in only 10.9% of cases.

CONCLUSIONS:

Mutations in the MECP2 gene have now been reported in a proportion of sporadic cases. Thus, it will be important to examine this phenotype-genotype correlation in the Australian cohort. Where a mutation is found, prenatal diagnosis in a subsequent pregnancy will be a possibility. Using the Australian population database and in conjunction with the clinical genetic services in each state it is planned to contact families with an affected girl to offer testing and counselling.

PMID:
10940166
[Indexed for MEDLINE]

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