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Association Between VDR FokI Polymorphism and Intervertebral Disk Degeneration.
Jian Zhao1, Mingyuan Yang1, Jie Shao1
1Department of Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai 200438, China.
Genomics, Proteomics & Bioinformatics
|January 17, 2016
Summary
This meta-analysis found no general link between FokI polymorphism and intervertebral disc degeneration (IDD). However, specific ethnic groups, including Hispanics and Asians, showed an increased IDD risk with the FokI T allele.
Area of Science:
- Genetics and Molecular Biology
- Orthopedics and Musculoskeletal Diseases
Background:
- Intervertebral disc degeneration (IDD) is influenced by genetic and environmental factors.
- The association between IDD and the FokI polymorphism in the vitamin D receptor (VDR) gene has yielded inconsistent results across populations.
Discussion:
- A systematic meta-analysis of eight studies was conducted to evaluate the relationship between FokI polymorphism and IDD risk.
- Pooled analysis across all ethnic groups did not reveal a significant correlation.
- Stratified analysis by ethnicity identified significant associations in Hispanics and Asians, but not in Caucasians.
Key Insights:
- The FokI polymorphism is not a universal risk factor for IDD.
- Hispanics carrying the FokI T allele demonstrated increased risk across multiple genetic models.
- Asians showed a significant association with IDD risk under the dominant model for the FokI T allele.
Outlook:
- Further research is warranted to elucidate the specific mechanisms linking FokI polymorphism to IDD in susceptible ethnic groups.
- Investigating gene-environment interactions may provide deeper insights into IDD pathogenesis.
- Personalized risk assessment for IDD could be improved by considering ethnic-specific genetic predispositions.
