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Daniela M Roth1, Jeremie Oliver Piña2, Melissa MacPherson3

  • 1School of Dentistry, University of Alberta, Edmonton, Canada.

The Cleft Palate-Craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association
|June 5, 2023
PubMed
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Pathological widening of cranial sutures is rare but linked to various craniofacial syndromes. Understanding the underlying biological mechanisms of widened sutures and persistent fontanelles is crucial for improved patient treatment.

Area of Science:

  • Craniofacial biology
  • Developmental biology
  • Genetics

Background:

  • Cranial sutures are vital for skull development, integrating mechanical forces and osteogenesis.
  • While premature fusion is common in craniofacial syndromes, pathological widening is less understood.
  • Altered suture physiology can lead to conditions like persistent fontanelles.

Purpose of the Study:

  • To review the biologically variable causes of widened cranial sutures and persistent fontanelles.
  • To explore the underlying biological mechanisms in four selected craniofacial syndromes.
  • To highlight gaps in understanding complex craniofacial disorders.

Main Methods:

  • Narrative review of existing literature.
  • Selection of four representative craniofacial syndromes.
Keywords:
cranial suturescraniofacial developmentgeneticspathophysiology

Related Experiment Videos

  • Analysis of biological mechanisms related to suture physiology.

    • Main Results:

    • Identified diverse biological mechanisms contributing to widened sutures.
    • Explored roles of progenitor cell differentiation, ECM production, mineralization, and bone resorption.
    • Demonstrated a common outcome (widened sutures/fontanelles) from varied causes.

    Conclusions:

    • Widened cranial sutures and persistent fontanelles stem from complex, multifactorial biological processes.
    • Further research integrating genetics, cellular biology, and clinical science is needed.
    • Improved understanding can lead to better treatment strategies for craniofacial disorders.