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Germline variants i...
Germline variants in oculocutaneous albinism genes and predisposition to familial cutaneous melanoma
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- Nathan, Vaishnavi (author)
- QIMR Berghofer Medical Research Institute,University of Queensland
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- Johansson, Peter A. (author)
- QIMR Berghofer Medical Research Institute
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- Palmer, Jane M. (author)
- QIMR Berghofer Medical Research Institute
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- Howlie, Madeleine (author)
- QIMR Berghofer Medical Research Institute
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- Hamilton, Hayley R. (author)
- QIMR Berghofer Medical Research Institute
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- Wadt, Karin (author)
- Copenhagen University Hospital
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- Jönsson, Göran (author)
- Lund University,Lunds universitet,Lunds Melanomstudiegrupp,Forskargrupper vid Lunds universitet,Melanoma Genomics,Lund Melanoma Study Group,Lund University Research Groups
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- Brooks, Kelly M. (author)
- QIMR Berghofer Medical Research Institute
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- Pritchard, Antonia L. (author)
- QIMR Berghofer Medical Research Institute,University of the Highlands and Islands
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- Hayward, Nicholas K. (author)
- QIMR Berghofer Medical Research Institute
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(creator_code:org_t)
- 2019-07-06
- 2019
- English.
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In: Pigment Cell and Melanoma Research. - : Wiley. - 1755-1471 .- 1755-148X. ; 32:6, s. 854-863
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Abstract
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- Approximately 1%–2% of cutaneous melanoma (CM) is classified as strongly familial. We sought to investigate unexplained CM predisposition in families negative for the known susceptibility genes using next-generation sequencing of affected individuals. Segregation of germline variants of interest within families was assessed by Sanger sequencing. Several heterozygous variants in oculocutaneous albinism (OCA) genes: TYR, OCA2, TYRP1 and SLC45A2, were present in our CM cohort. OCA is a group of autosomal recessive genetic disorders, resulting in pigmentation defects of the eyes, hair and skin. Missense variants classified as pathogenic for OCA were present in multiple families and some fully segregated with CM. The functionally compromised TYR p.T373K variant was present in three unrelated families. In OCA2, known pathogenic variants: p.V443I and p.N489D, were present in three families and one family, respectively. We identified a likely pathogenic SLC45A2 frameshift variant that fully segregated with CM in a family of four cases. Another four-case family harboured cosegregating variants (p.A24T and p.R153C) of uncertain functional significance in TYRP1. We conclude that rare, heterozygous variants in OCA genes confer moderate risk for CM.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
Keyword
- cutaneous melanoma
- family genetics
- OCA
- OCA2
- oculocutaneous albinism
- pigmentation
- SLC45A2
- TYR
- TYRP1
Publication and Content Type
- art (subject category)
- ref (subject category)
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Nathan, Vaishnav ...
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Johansson, Peter ...
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Palmer, Jane M.
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Howlie, Madelein ...
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Hamilton, Hayley ...
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Wadt, Karin
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Jönsson, Göran
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Brooks, Kelly M.
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Pritchard, Anton ...
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Hayward, Nichola ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Cancer and Oncol ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Medical Genetics
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Pigment Cell and ...
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Lund University