Exome sequencing identifies novel ACE splice-site variant in a fetus with renal tubular dysgenesis
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Updated: Feb 7, 2026

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Aneek Das Bhowmik1, Ashwin Dalal1, Ashwani Tandon2
1Diagnostics Division, Centre for DNA Fingerprinting and Diagnostics, Hyderabad, India.
Abstract:
We report a 32-week fetus conceived of consanguineous parentage which presented with severe early onset oligohydramnios and history of a similarly affected sibling in previous pregnancy. Ultrasonography and autopsy were inconclusive, prompting exome sequencing on fetal DNA. This resulted in identification of a homozygous novel 3' splice-site variation in intron 17 of the ACE gene (NM_000789.3:c.2642-1G>A), confirming diagnosis of autosomal recessive renal tubular dysgenesis, and facilitating prenatal diagnosis in subsequent pregnancy.
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