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Related Experiment Videos

Disorganisation: a model for 'early amnion rupture'?

D Donnai1, R M Winter

  • 1Regional Genetic Centre, St Mary's Hospital, Manchester.

Journal of Medical Genetics
|July 1, 1989
PubMed
Summary

Amniotic bands sequence (ABS) may be caused by a genetic defect similar to the mouse disorganisation (Ds) mutation. This finding suggests a potential new understanding of ABS etiology and related congenital abnormalities.

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Area of Science:

  • Developmental biology
  • Medical genetics
  • Teratology

Background:

  • The etiology of amniotic bands sequence (ABS) remains debated, with theories ranging from intrinsic germ plasma defects to early amnion rupture.
  • Recent research explores non-band related malformations in ABS patients, broadening the scope of potential causes.

Observation:

  • The mouse mutant disorganisation (Ds) exhibits abnormalities including limb malformations, craniofacial defects, and ectopic papillae.
  • Five fetuses and one newborn with ABS presented with similar abnormalities, including protruding papillae.

Findings:

  • The observed abnormalities in human ABS cases closely resemble those in the mouse disorganisation (Ds) mutant.
  • This suggests a potential genetic link between the disorganisation (Ds) gene homologue in humans and certain cases of ABS.

Implications:

  • Identifying a human homologue for Ds could elucidate the pathogenesis of ABS and associated congenital anomalies.
  • This discovery may pave the way for improved diagnostic approaches and potential therapeutic strategies for ABS.

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