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Updated: Jun 5, 2025

Quantification of Orofacial Phenotypes in Xenopus
Published on: November 6, 2014
A Novel Genetic Variation Identified in Patients With Orofacial Clefts
Li-Ling Yu1, Qi Zeng2, Bao-Fu Yu3
1Department of Health Education, Jiangxi Maternal and Child Health Hospital, Maternal and Child Health Hospital of Nanchang Medical College, Jiangxi Hospital Affiliated to Children's Hospital of Chongqing Medical University.
Researchers identified a novel IRF6 gene mutation in a family with orofacial clefts. This genetic variation may contribute to the development of these common craniomaxillofacial deformities.
Area of Science:
- Genetics
- Developmental Biology
- Craniofacial Surgery
Background:
- Orofacial clefts are the most common craniomaxillofacial deformity.
- Genetic factors play a significant role in the etiology of orofacial clefts.
- Investigating genetic variations is crucial for understanding cleft development.
Purpose of the Study:
- To investigate genetic variations in patients diagnosed with orofacial clefts.
- To identify specific mutated genes and their loci associated with orofacial clefts.
Main Methods:
- Retrospective descriptive study design.
- Whole-exome sequencing (WES) to identify mutations.
- Sanger sequencing for mutation validation and functional analysis using databases.
Main Results:
- Whole-exome sequencing identified a mutation in the IRF6 gene (IRF6 : NM_006147.4, IRF6 c.174+1delG).
- The identified variant locus was also present in the patient's mother, who also has orofacial clefts.
- Database analysis suggests the IRF6 gene mutation is linked to craniomaxillofacial developmental abnormalities.
Conclusions:
- A novel IRF6 gene locus associated with orofacial clefts was identified in a family.
- Functional analysis indicates this mutation may be involved in the genetic cause of orofacial clefts.
- These findings offer valuable data for understanding the molecular mechanisms of orofacial clefts.
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