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Transgenerational congenital heart defects

Sweet and sour story of maternal diabetes and birth defects

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From Nature Cardiovascular Research

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Pregestational diabetes is linked to an increased risk of congenital disorders, including cardiac and craniofacial defects, but the underlying mechanisms are unclear. Using a hyperglycemic mouse model, Nishino et al. show that ectopic retinoic acid signaling in the anterior heart field causes aberrant tissue patterning and associated pathologies1.

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Fig. 1: Hyperglycemia leads to a shift in the anterior–posterior retinoic acid signaling gradient, causing patterning defects and pathological outcomes.

References

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Correspondence to James F. Martin.

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Steimle, J.D., Martin, J.F. Sweet and sour story of maternal diabetes and birth defects. Nat Cardiovasc Res 2, 1107–1108 (2023). https://doi.org/10.1038/s44161-023-00380-1

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