Related Experiment Video
Updated: Sep 20, 2025
Analysis of Craniomaxillofacial Malformations in Mice Using Three-dimensional Microcomputed Tomography
Published on: January 17, 2025
Mechanical loading of cranial joints minimizes the craniofacial phenotype in Crouzon syndrome
Mehran Moazen1, Mahbubeh Hejazi1, Dawn Savery2
1UCL Mechanical Engineering, University College London, London, UK.
Insights
This study explored non-surgical mechanical loading to treat Crouzon syndrome in mice, delaying cranial suture fusion and improving skull shape. This offers a potential alternative to reduce surgeries for craniosynostosis patients.
Area of Science:
- Craniofacial biology
- Biomechanical engineering
- Developmental biology
Background:
- Syndromic craniosynostosis requires multiple surgeries, burdening patients and families.
- Current treatments for Crouzon syndrome involve invasive surgical correction of premature cranial suture fusion.
- Developing non-surgical alternatives is crucial to improve patient outcomes.
Purpose of the Study:
- To investigate mechanical loading as a non-surgical method to prevent or delay craniofacial phenotypes in Crouzon syndrome.
- To assess the efficacy of mechanical loading in altering skull morphology and suture development.
- To provide a potential alternative to surgical interventions for craniosynostosis.
Main Methods:
- Crouzon syndrome mice were treated with cyclical mechanical loading of cranial joints before craniosynostosis onset.
- A custom-designed setup was used to apply mechanical loading to the frontal bone.
- Skull morphology and suture patency were analyzed post-treatment.
Main Results:
- Mechanical loading partially restored normal skull morphology, reducing brachycephaly.
- Delayed closure of the coronal suture and intersphenoidal synchondrosis was observed.
- The treatment demonstrated a significant impact on craniofacial development.
Conclusions:
- Mechanical loading presents a novel, non-surgical treatment alternative for syndromic craniosynostosis.
- This approach may reduce the need for repeated invasive surgeries.
- Further research could lead to refining or replacing surgical treatments for craniosynostosis.
Abstract:
Children with syndromic forms of craniosynostosis undergo a plethora of surgical interventions to resolve the clinical features caused by the premature fusion of cranial sutures. While surgical correction is reliable, the need for repeated rounds of invasive treatment puts a heavy burden on the child and their family. This study explores a non-surgical alternative using mechanical loading of the cranial joints to prevent or delay craniofacial phenotypes associated with Crouzon syndrome. We treated Crouzon syndrome mice before the onset of craniosynostosis by cyclical mechanical loading of cranial joints using a custom designed set-up. Cranial loading applied to the frontal bone partially restores normal skull morphology, significantly reducing the typical brachycephalic appearance. This is underpinned by the delayed closure of the coronal suture and of the intersphenoidal synchondrosis. This study provides a novel treatment alternative for syndromic craniosynostosis which has the potential to be an important step towards replacing, reducing or refining the surgical treatment of all craniosynostosis patients.
More Related Videos
Related Concept Videos
01:22Sutures of the Skull
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
01:27Cranial Bones: Lateral View
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
01:14Cranial Bones: Superior and Posterior View
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
01:16Eccentric Axial Loading in a Plane of Symmetry
01:12General Case of Eccentric Axial Loading
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical...
01:08Overview of the Skull
The cranial vault surrounds and protects the brain and houses the middle and inner ear structures. This cavity is bounded superiorly by the rounded top of the skull, which...