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Apr 5, 2026

University of Tartu Identifies MGRN1 Gene Variant Linked to Fetal Heart Malformations

Researchers at the University of Tartu Faculty of Medicine have identified a rare variant in the MGRN1 gene that may cause congenital heart malformations in fetuses, a gene not previously associated with cardiac defects.

Apr 5, 2026·1 source
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Top claims

  • ▪The University of Tartu discovery of the MGRN1 gene defect will help doctors better recognize similar cases in the future.
  • ▪Families with fetuses diagnosed with congenital heart malformations may receive more precise genetic explanations through MGRN1 testing.
  • ▪The Human Genetics Research Group of the University of Tartu Faculty of Medicine identified a gene whose defect may cause congenital heart malformations in the fetus.

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Genetic

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