COL1A1

COL1A1 gene -1997G/T polymorphism and risk of osteoporosis in postmenopausal women: a meta-analysis

K. H. Yu, Tang, J., Dai, C. Q., Yu, Y., and Hong, J. J., COL1A1 gene -1997G/T polymorphism and risk of osteoporosis in postmenopausal women: a meta-analysis, vol. 14, pp. 10991-10998, 2015.

Studies investigating the association between the COL1A1 gene -1997G/T polymorphism and the risk of osteoporosis in postmenopausal women have reported conflicting results. We performed a meta-analysis based on the evidence currently available from the literature to make a more precise estimation of this relationship. We conducted searches of the published literature in the PubMed and Embase databases up to September 2014. We estimated the pooled odds ratios with their 95% confidence intervals to assess the associations using fixed- or random-effect models.

Mutation characteristics in type I collagen genes in Chinese patients with osteogenesis imperfecta

Z. Yang, Ke, Z. F., Zeng, C., Wang, Z., Shi, H. J., and Wang, L. T., Mutation characteristics in type I collagen genes in Chinese patients with osteogenesis imperfecta, vol. 10, pp. 177-185, 2011.

Osteogenesis imperfecta is normally caused by an autosomal dominant mutation in the type I collagen genes COL1A1 and COL1A2. The severity of osteogenesis imperfecta varies, ranging from perinatal lethality to a very mild phenotype. Although there have been many reports of COL1A1 and COL1A2 mutations, few cases have been reported in Chinese people. We report on five unrelated families and three sporadic cases. The mutations were detected by PCR and direct sequencing. Four mutations in COL1A1 and one in COL1A2 were found, among which three mutations were previously unreported.

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