Inhibition of Gap Junction Communication at Ectopic Eph/ephrin Boundaries Underlies Craniofrontonasal Syndrome
2006
Disrupted Intercellular Communication Causes a Disfiguring Birth Defect
publication
Evidence: moderate
Author Information
Author(s): Alice Davy, Jeffrey Bush, Philippe Soriano
Hypothesis
How does the breakdown of ephrin-mediated cell sorting lead to physical abnormalities in craniofrontonasal syndrome?
Conclusion
The study shows that disrupted gap junction communication underlies the skeletal abnormalities observed in craniofrontonasal syndrome.
Supporting Evidence
- Eph/ephrin signaling regulates gap junction communication, which controls cell sorting.
- Mutations in ephrin-B1 have been linked to craniofrontonasal syndrome.
- Ephrin-B1 heterozygous females exhibit polydactyly due to random X chromosome inactivation.
Takeaway
When cells can't talk to each other properly, it can cause serious problems in how the body forms, leading to birth defects.
Methodology
The researchers studied ephrin-B1 heterozygous female mice to understand how ephrin-mediated cell sorting affects skeletal development.
Participant Demographics
The study involved ephrin-B1 heterozygous female mice.
Digital Object Identifier (DOI)
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