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A clinical molecular genetic service for United Kingdom families with choroideraemia.

Ramsden, Simon C; O'Grady, Anna; Fletcher, Tracy; O'Sullivan, James; Hart-Holden, Nikki; Barton, Stephanie J; Hall, Georgina; Moore, Anthony T; Webster, Andrew R; Black, Graeme C

European journal of medical genetics. 2013;56(8):432-8.

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Abstract

A diagnosis of choroideraemia (CHM) can be made clinically, based on the fundus examination and a family history consistent with X-linked inheritance. Molecular genetic testing offers a means of confirming the clinical diagnosis, establishing carrier status and allows presymptomatic diagnosis for families who wish to pursue these options. The aim of this study was to examine the uptake and assess the results from a diagnostic molecular genetics service for CHM. We have carried out a comprehensive audit of all molecular genetic results of UK NHS patients and families referred to the North West Regional Molecular Genetics Laboratory in Manchester, UK over a 55 month period. 110 people were referred to this service for testing including diagnostic, carrier and predictive requests. Putative pathogenic mutations were identified in 65/83 (78%) of male index cases. The identification of a familial pathogenic change enabled carrier testing in 16 asymptomatic females and predictive testing in 3 males. Case examples illustrate the range of cases referred for testing and also reflect the need for genetic counselling that results from offering a molecular diagnostic service such as this. Clinical molecular testing for CHM is available clinically and can be used to support the clinical diagnosis and management of patients with choroideraemia as well as their families. Case studies demonstrate the need to provide genetic testing to families and the potential clinical utility of testing.

Bibliographic metadata

Type of resource:
Content type:
Publication type:
Published date:
Abbreviated journal title:
ISSN:
Place of publication:
Netherlands
Volume:
56
Issue:
8
Pagination:
432-8
Digital Object Identifier:
10.1016/j.ejmg.2013.06.003
Pubmed Identifier:
23811034
Pii Identifier:
S1769-7212(13)00132-8
Access state:
Active

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Record metadata

Manchester eScholar ID:
uk-ac-man-scw:205116
Created by:
Black, Graeme
Created:
16th August, 2013, 10:26:09
Last modified by:
Black, Graeme
Last modified:
15th April, 2014, 13:09:12

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