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COL4A1 mutation in preterm intraventricular hemorrhage

Kaya Bilguvar1, Michael L DiLuna, Matthew J Bizzarro

  • 1Department of Neurosurgery, Yale University School of Medicine, New Haven, CT 06520, USA.

The Journal of Pediatrics
|October 21, 2009
PubMed

Insights

A rare COL4A1 gene variant caused intraventricular hemorrhage in preterm twins. This finding expands the known genetic causes of brain bleeds in premature infants, highlighting type IV procollagen mutations.

Area of Science:

  • Genetics
  • Neonatal Medicine
  • Neurology

Background:

  • Intraventricular hemorrhage (IVH) is a frequent complication in preterm infants.
  • Mutations in the type IV procollagen gene (COL4A1) are linked to cerebral small vessel disease with hemorrhage in adults and fetuses.

Observation:

  • We describe a rare COL4A1 variant identified in dizygotic preterm twins.
  • Both twins presented with intraventricular hemorrhage.

Findings:

  • The identified COL4A1 variant is associated with intraventricular hemorrhage in preterm twins.
  • This case suggests a potential genetic link between COL4A1 mutations and IVH in neonates.

Implications:

  • This discovery broadens the spectrum of conditions linked to type IV procollagen gene mutations.
  • Further research into COL4A1 and neonatal IVH may reveal new diagnostic and therapeutic targets.

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