2017
Contribution of rare inherited and de novo variants in 2,871 congenital heart disease probands
Abstract: Congenital heart disease (CHD) is the leading cause of mortality from birth defects. Exome sequencing of a single cohort of 2,871 CHD probands including 2,645 parent-offspring trios implicated rare inherited mutations in 1.8%, including a recessive founder mutation in GDF1 accounting for ~5% of severe CHD in Ashkenazim, recessive genotypes in MYH6 accounting for ~11% of Shone complex, and dominant FLT4 mutations accounting for 2.3% of Tetralogy of Fallot. De novo mutations (DNMs) accounted for 8% of cases, inc…
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Cited by 912 publications
(1,337 citation statements)
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“…RGs were estimated to contribute to 5.4% (CI: 2.1% to 8.6%) of probands with laterality-associated cardiac defects compared to 1.4% (CI: −0.05% to 2.8%) of those without laterality-associated defects ( SI Appendix , Table S16 ). This is consistent with our previously published data ( 19 ). Consistent with these estimates, we identified RGs in known genes in 2.4% of probands with laterality-associated defects, and 0.9% of the remainder.…”
Section: Resultssupporting
confidence: 94%
“…RGs were estimated to contribute to 5.4% (CI: 2.1% to 8.6%) of probands with laterality-associated cardiac defects compared to 1.4% (CI: −0.05% to 2.8%) of those without laterality-associated defects ( SI Appendix , Table S16 ). This is consistent with our previously published data ( 19 ). Consistent with these estimates, we identified RGs in known genes in 2.4% of probands with laterality-associated defects, and 0.9% of the remainder.…”
Section: Resultssupporting
confidence: 94%
“…The HTX phenotype class was enriched for damaging recessive/biallelic variants in cilia-related genes (2.6-fold, CI 2.0-3.2) and showed proportionally higher enrichment in the subset of motile cilia genes modulated by FOXJ1 (6.9-fold, 3.3-10.4), findings consistent with previous reports 5,8,17 Patients with FOXJ1 pathway mutations accounted for four of nine HTX patients (44%) in the cilia enrichment subset. Damaged genes in the FOXJ1 pathway were ARMC4 , CCDC151 , DNAI1 , DRC1 , IFT172 , and SPEF2 .…”
Section: Resultssupporting
confidence: 91%
“…The HTX phenotype class was enriched for damaging recessive/biallelic variants in cilia-related genes (2.63-fold, CI 2.06-3.20) and showed proportionally higher enrichment in the subset of motile cilia genes modulated by FOXJ1 (6.89-fold, 3.30-10.36), findings consistent with previous reports 5,8,35 . The OTHER phenotype class was enriched for damaging de novo variants in chromatin-modifying genes (1.85-fold, CI 1.44-2.26) and the curated CHD genes (1.59-fold, CI 1.38-1.80) lists.…”
Section: Resultssupporting
confidence: 91%
“…As regards expression, de novo genotypes are about twice as likely to occur in embryonic HHE genes than are recessive ones. This trend is slightly more pronounced when gene function is taken into account; for example, P (HighHeart|chromatin, de novo, ¬ recessive)/ P (HighHeart|cilia, recessive, ¬ de novo) = 2.8, in general agreement with previous reports 3–5 .…”
Section: Resultssupporting
confidence: 91%
“…3i). Consistent with prior publications that have documented an excess of de novo variants in chromatin genes 3–5 , the enrichment of de novo variants in the chromatin list exceeds that observed for recessive variants, with VAAST identifying 77 damaged genes in 76 probands (3.2% of all probands) having de novo damaging variants (permutation p value < 1e −5 ; Fig. 3j).…”
Section: Resultssupporting
confidence: 89%
