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Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes
03:19

Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes

Published on: June 28, 2024

Cerebral folate deficiency

Neil Gordon1

  • 1neil-gordon@doctors.org.uk

Developmental Medicine and Child Neurology
|March 6, 2009
PubMed

Insights

Cerebral folate deficiency (CFD) causes developmental delays in infants due to low brain folate. Treatment with folinic acid can significantly improve symptoms and restore folate levels.

Area of Science:

  • Neurology
  • Pediatrics
  • Biochemistry

Background:

  • Cerebral folate deficiency (CFD) is characterized by low 5-methyltetrahydrofolate in cerebrospinal fluid (CSF) despite normal plasma folate levels.
  • Symptoms manifest around 4-6 months of age, including developmental delay, hypotonia, ataxia, and potentially dyskinesias, spasticity, speech issues, and epilepsy.

Purpose of the Study:

  • To investigate the cause and treatment of cerebral folate deficiency.
  • To explore the role of folate transport across the blood-brain barrier and the potential impact of folate receptor antibodies.
  • To evaluate the efficacy of folinic acid treatment and its implications for diagnosing neurological disorders.

Main Methods:

  • Analysis of folate levels in CSF, plasma, and red blood cells.
  • Clinical observation of developmental milestones and neurological symptoms.
  • Assessment of treatment response to folinic acid therapy.

Main Results:

  • Low CSF 5-methyltetrahydrofolate levels are linked to impaired folate transport into the brain, possibly due to antibody blockade of folate receptors.
  • Prolonged folinic acid treatment led to significant clinical improvement and normalization of CSF 5-methyltetrahydrofolate levels.
  • CFD is a treatable condition with a positive response to folinic acid.

Conclusions:

  • Cerebral folate deficiency is a treatable cause of neurological impairment in infants.
  • Screening CSF for folate levels in patients with unexplained neurological disorders is warranted.
  • Understanding folate transport mechanisms is crucial for diagnosing and managing CFD.

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