What are folate receptor antibodies (FRA)?

Folate receptor antibodies (FRAs) are immune proteins that can block folate from crossing into the brain.

Folate is essential for brain development and function, so when this pathway is disrupted, it may contribute to challenges with communication, behavior, and cognition.

Leucovorin works by bypassing this blocked pathway and helping restore folate availability in the brain.

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What is the FRAT test for autism?

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How do I know if my child has cerebral folate deficiency?