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Gordon, David M.; Cunningham, David; Zender, Gloria; Lawrence, Patrick J.; Penaloza, Jacqueline S.; Lin, Hui; Fitzgerald-Butt, Sara M.; Myers, Katherine; Duong, Tiffany; Corsmeier, Donald J.; Gaither, Jeffrey B.; Kuck, Harkness C.; Wijeratne, Saranga; Moreland, Blythe; Kelly, Benjamin J.; Garg, Vidu; White, Peter; McBride, Kim L.

Exome sequencing in multiplex families with left-sided cardiac defects has high yield for disease gene discovery

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  • Medientyp: E-Artikel
  • Titel: Exome sequencing in multiplex families with left-sided cardiac defects has high yield for disease gene discovery
  • Beteiligte: Gordon, David M.; Cunningham, David; Zender, Gloria; Lawrence, Patrick J.; Penaloza, Jacqueline S.; Lin, Hui; Fitzgerald-Butt, Sara M.; Myers, Katherine; Duong, Tiffany; Corsmeier, Donald J.; Gaither, Jeffrey B.; Kuck, Harkness C.; Wijeratne, Saranga; Moreland, Blythe; Kelly, Benjamin J.; Garg, Vidu; White, Peter; McBride, Kim L.
  • Erschienen: Public Library of Science (PLoS), 2022
  • Erschienen in: PLOS Genetics
  • Sprache: Englisch
  • DOI: 10.1371/journal.pgen.1010236
  • ISSN: 1553-7404
  • Schlagwörter: Cancer Research ; Genetics (clinical) ; Genetics ; Molecular Biology ; Ecology, Evolution, Behavior and Systematics
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p>Congenital heart disease (CHD) is a common group of birth defects with a strong genetic contribution to their etiology, but historically the diagnostic yield from exome studies of isolated CHD has been low. Pleiotropy, variable expressivity, and the difficulty of accurately phenotyping newborns contribute to this problem. We hypothesized that performing exome sequencing on selected individuals in families with multiple members affected by left-sided CHD, then filtering variants by population frequency,<jats:italic>in silico</jats:italic>predictive algorithms, and phenotypic annotations from publicly available databases would increase this yield and generate a list of candidate disease-causing variants that would show a high validation rate. In eight of the nineteen families in our study (42%), we established a well-known gene/phenotype link for a candidate variant or performed confirmation of a candidate variant’s effect on protein function, including variants in genes not previously described or firmly established as disease genes in the body of CHD literature:<jats:italic>BMP10</jats:italic>,<jats:italic>CASZ1</jats:italic>,<jats:italic>ROCK1</jats:italic>and<jats:italic>SMYD1</jats:italic>. Two plausible variants in different genes were found to segregate in the same family in two instances suggesting oligogenic inheritance. These results highlight the need for functional validation and demonstrate that in the era of next-generation sequencing, multiplex families with isolated CHD can still bring high yield to the discovery of novel disease genes.</jats:p>
  • Zugangsstatus: Freier Zugang