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Hereditary uveal melanoma: A report of a germline mutation in BAP1.
MedLine Citation:
PMID:  23341325     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Melanoma of the eye is a rare and distinct subtype of melanoma, which only rarely are familial. However, cases of uveal melanoma (UM) have been found in families with mixed cancer syndromes. Here, we describe a comprehensive search for inherited genetic variation in a family with multiple cases of UM but no aggregation of other cancer diagnoses. The proband is a woman diagnosed with UM at 16 years who within 6 months developed liver metastases. We also identified two older paternal relatives of the proband who had died from UM. We performed exome sequencing of germline DNA from members of the affected family. Exome-wide analysis identified a novel loss-of-function mutation in the BAP1 gene, previously suggested as a tumor suppressor. The mutation segregated with the UM phenotype in this family, and we detected a loss of the wild-type allele in the UM tumor of the proband, strongly supporting a causative association with UM. Screening of BAP1 germline mutations in families predisposed for UM may be used to identify individuals at increased risk of disease. Such individuals may then be enrolled in preventive programs and regular screenings to facilitate early detection and thereby improve prognosis. © 2013 Wiley Periodicals, Inc.
Authors:
Veronica Höiom; Daniel Edsgärd; Hildur Helgadottir; Hanna Eriksson; Charlotta All-Ericsson; Rainer Tuominen; Ivayla Ivanova; Joakim Lundeberg; Olof Emanuelsson; Johan Hansson
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-23
Journal Detail:
Title:  Genes, chromosomes & cancer     Volume:  -     ISSN:  1098-2264     ISO Abbreviation:  Genes Chromosomes Cancer     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9007329     Medline TA:  Genes Chromosomes Cancer     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Wiley Periodicals, Inc.
Affiliation:
Department of Oncology and Pathology, Karolinska Institutet, Karolinska University Hospital, Solna, Stockholm, Sweden. veronica.hoiom@ki.se.
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