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題 名 | Vitamin D Receptor Alleles and Bone Mineral Density of Chinese in Taiwan=中國人維生素D受體對偶基因和骨質密度之關係 |
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作 者 | 蕭正光; 陳嘉祥; 曾凱元; | 書刊名 | 慈濟醫學 |
卷 期 | 10:2 1998.06[民87.06] |
頁 次 | 頁81-86 |
分類號 | 415.596 |
關鍵詞 | 維生素D受體; 骨質密度; 骨質密度變化率; Vitamin D receptor; Bone mineral density; BMD change rate; |
語 文 | 英文(English) |
中文摘要 | 本研究之目的在於探討維生素D受器基因(VDRG)之RFLP多形性是否可以預測中 國人之骨質密度(BMD)及骨質密度衰退率。89位(63位女性,26為男性,平均年齡57.5歲) 居住於林口鄉之志願者參加本研究,於1990年及1995/96年以雙光子吸收儀測量其腰椎骨 質密度,平均追蹤期為5.8年。以BsmI限制□切割VDRG,其中呈現限制□切點為b,不 呈現限制□切點為B。共有7位(8%)為BB,11位(12%)為Bb及71位(80%)為bb。在中國 女性,雖然基因型為BB者其BMD低於Bb及bb者(0.813 g/cm□vs. 1.029 g/cm□),但在調 整體格指數、年齡及停經三因素後,其差異並未達統計顯著水準。在中國男性,BB基因型 之BMD亦略低於其他基因型(1.066 g/cm□ vs. 1.248 g/cm□),但在調整體格指數及年齡二 因素後,其差異亦未達統計顯著水準。骨質衰退率在不同基因型並無顯著之差異。 |
英文摘要 | This study was conducted to determine whether a restriction fragment length polymorphism in the vitamin D receptor gene (VDRG) predicts lumbar spine bone mineral density (BMD□) and the annual bone density change rate in Chinese. Eighty-nine healthy volunteers (63 women and 26 men, mean age 57.5 years) living in Lin-Kou Township were recruited. The BMD of the lumbar spine of each subject was measured by dual-photon absorptiometry in 1990 and then the measurement was repeated in 1995/96, with an average follow-up period of 5.8 years. The genotype was based on the presence (b) or absence (B) of a BsmI restriction enzyme site in the VDRG. There were 6 (6.7%) BB homozygotes, 11 (12.3%) Bb heterozygotes and 72 (81.0%) bb homozygotes. Although the BMD□ value for postmenopausal women with BB genotype was significantly lower than that for postmenopausal women with bb genotype (0.813 g/cm□ vs. 1.029 g/cm□), a comparison of BMD□ adjusted for body mass index, age, and menopause status among genotypes showed no significant difference. In addition, there was no significant difference for annual bone density change rate among the three genotypes in postmenopausal women. The BMD□ value for men with BB genotype was lower than that for men with bb genotype (1.066 g /cm□ vs. 1.248 g/cm□). However, after adjustment for body mass index and age, no significant difference was shown. The results show that the polymorphisms of the BsmI restriction site in the VDRG are not predictive of the bone density change rate nor BMD□ in a sample of healthy Chinese volunteers in Taiwan. |
本系統中英文摘要資訊取自各篇刊載內容。