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Related Experiment Videos

Acromelic frontonasal dysostosis.

S F Slaney1, F R Goodman, B L Eilers-Walsman

  • 1Mothercare Unit of Clinical Genetics and Fetal Medicine, Institute of Child Health, London, UK. s.slaney@ubht.swest.nhs.uk

American Journal of Medical Genetics
|April 6, 1999
PubMed
Summary
This summary is machine-generated.

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This study describes a rare genetic disorder in infants characterized by facial malformations and foot abnormalities. The findings suggest a potential link to the Sonic Hedgehog signaling pathway.

Area of Science:

  • Genetics
  • Developmental Biology
  • Clinical Medicine

Background:

  • Acromelic frontonasal dysostosis is a rare congenital disorder affecting facial and limb development.
  • Understanding its genetic basis is crucial for diagnosis and potential therapeutic strategies.

Observation:

  • The study observed 5 infants (3 male, 2 female) with a specific variant of frontonasal dysostosis.
  • Key features included frontonasal malformation, nasal clefting, symmetrical preaxial polysyndactyly of the feet, and tibial hypoplasia.
  • Upper limbs were notably unaffected in all observed cases.

Findings:

  • The observed phenotype suggests a distinct autosomal-recessive disorder.
  • A potential molecular basis involves disruption of the Sonic Hedgehog (SHH) signaling pathway.

Related Experiment Videos

  • SHH signaling is critical for midline craniofacial and limb development.

    • Implications:

    • This research may lead to improved genetic diagnostics for frontonasal dysostosis variants.
    • Further investigation into the SHH pathway could reveal therapeutic targets for related developmental disorders.
    • The findings contribute to the understanding of craniofacial and limb developmental genetics.