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Compound heterozygous DAW1 variants reveal tissue-specific roles in left-right patterning and congenital heart disease without primary ciliary dyskinesia

2026-01-29 genetic and genomic medicine Title + abstract only
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Defects in motile cilia cause a range of disorders, including heterotaxy (HTX), congenital heart disease (CHD), and primary ciliary dyskinesia (PCD). Although these conditions often co-occur, the genetic and mechanistic bases for tissue-specific manifestations remain poorly understood. Here, we identify compound heterozygous variants in DAW1, a dynein arm assembly factor, in a proband with HTX and complex congenital heart disease but no clinical signs of PCD. Whole-genome sequencing revealed a m...

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