What is it about?

Folic acid is a B-vitamin required for DNA synthesis, and folate deficiency causes several pathologies, including birth defects and neuropathy. This study revealed a shared genetic etiology between folic acid–responsive neural tube defects and the development of peripheral neuropathy in mice . Furthermore, we demonstrate that high-dose dietary folic acid prevents neuropathy in mice, indicating that the diabetic state increases folic acid dietary needs.

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Why is it important?

These results indicate a special nutritional requirement for folic acid in diabetes to prevent peripheral neuropathy and implicate impaired de novo thymidylate synthesis in peripheral neuropathy.

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This page is a summary of: Dietary folic acid prevents peripheral neuropathy in mouse models of neural tube defects and type 2 diabetes, Proceedings of the National Academy of Sciences, January 2026, Proceedings of the National Academy of Sciences,
DOI: 10.1073/pnas.2528095123.
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