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

Neil Gordon1

  • 1neil-gordon@doctors.org.uk

Developmental Medicine and Child Neurology
|March 6, 2009
PubMed
Summary
This summary is machine-generated.

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.

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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.