A Novel Mutation in COMP Gene Linked to Pseudoachondroplasia in a Chinese Family
Author Information
Author(s): Dai Li, Xie Liang, Wang Yanping, Mao Meng, Li Nana, Zhu Jun, Kim Christopher, Zhang Yawei
Primary Institution: National Center for Birth Defects Monitoring, West China Second University Hospital, Sichuan University
Hypothesis
The study investigates the genetic basis of pseudoachondroplasia in a Chinese family.
Conclusion
The c.1352_1353insTGTCCCTGG mutation in the COMP gene is responsible for severe familial pseudoachondroplasia.
Supporting Evidence
- Two patients and two unaffected individuals were evaluated for clinical and genetic analysis.
- A novel heterozygous insertion mutation was identified in the COMP gene.
- Patients exhibited severe disproportionate short stature and typical characteristics of pseudoachondroplasia.
Takeaway
This study found a new mutation in a gene that causes a condition making people very short, and it was seen in a Chinese family.
Methodology
Genomic DNA was extracted from blood samples, and PCR was used to amplify and sequence specific exons of the COMP gene.
Participant Demographics
The study involved a four-generation pedigree of Chinese Han origin.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website