Abstract:

BACKGROUND: Genetic studies have shown that there may be association between osteoprotegerin gene G1181C polymorphism and bone mineral density in postmenopausal women, but there are some differences in the conclusions.
OBJECTIVE: To study the association between osteoprotegerin gene G1181C polymorphism and bone mineral density in postmenopausal women through Meta-analysis.
METHODS: The PubMed database, Embase database, CNKI database and Wanfang database were searched for the observational studies about the association between osteoprotegerin gene G1181C polymorphism and bone mineral density in postmenopausal women. The standardized mean difference was considered as the effect indicator and calculated with random or fixed effect models according to the significance of heterogeneity.
RESULTS AND CONCLUSION: A total of 9 articles were included with a total of 8 799 and 9 365 participants for which vertebral and spine bone mineral density had been measured, respectively. The analysis results showed that the bone mineral density of the postmenopausal women with the G allele of G1181C was significantly lower than that of the postmenopausal women with the C allele. Similar results were obtained in Caucasian population subgroup analysis. The Caucasian population subgroup analysis showed that the bone mineral density of the postmenopausal women with GG genotype of G1181C was lower than that of the postmenopausal women with GC and CC genotype. The results indicate that there is association between osteoprotegerin gene G1181C polymorphism and bone mineral density in postmenopausal women, and G allele is a risk factor for lower bone mineral density.

Key words: bone density conservation agents, osteoporosis, postmenopausal, bone density, alleles