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Antioxidant enzymes GSR, SOD1, SOD2, and CAT gene variants and bone mineral density values in postmenopausal women: a genetic association analysisJurković Mlakar, Simona, 1980- ...Objective: Oxidative stress participates in decreasing bone formation and stimulating bone resorption. Furthermore, antioxidant enzymes have been observed to have low protective activity in women ... with osteoporosis. The aim of the present study was to examine any association of selected gene polymorphisms of the glutathione S-reductase (GSR), superoxide dismutase (SOD1and SOD2), and catalase (CAT) genes, alone or in combination, with the bone mineral density (BMD) values of femoral neck (fn), lumbar spine (ls), andtotal hip (th) in Slovenian postmenopausal women. Methods: The gene polymorphisms of CAT, GSR, SOD1, and SOD2 genes in 468 postmenopausal women were analyzed using restriction fragment length polymorphism and a fluorescent5'-exonuclease genotyping method. BMD_fn, BMD_ls, and BMD_th were measured using dual-energy x-ray absorptiometry. Moreover, univariate statistic analysis and two-way analysis of variance for interaction testing were performed. Results: A significant association of BMD_th values (P = 0.027) was found in genotype subgroups of 423-287G>A GSR polymorphism located in the third intron among postmenopausal women. Furthermore, women with at least one G allele showed significantly higher levels of BMD_fn (P = 0.044), BMD_th (P = 0.009), and BMD_ls (P = 0.043) than those that are AA homozygotes.Interestingly, the 423-287G>A_GSR*1154-393T>A_GSR combination was significantly associated with BMD_fn (P = 0.013) and BMD_th (P = 0.002) in postmenopausal women. Conclusions: The results of our study demonstrate for the first time that antioxidant enzyme GSR gene polymorphisms are significantly associated with BMD, suggesting that the A allele of 423-287G>A GSR polymorphism could contribute to decreased BMD values in postmenopausal women.Vir: Menopause. - ISSN 1072-3714 (Vol. 19, no. 3, 2012, str. 368-376)Vrsta gradiva - članek, sestavni delLeto - 2012Jezik - angleškiCOBISS.SI-ID - 3156593
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Jurković Mlakar, Simona, 1980- | 27741 |
Osredkar, Joško, 1955- | 10691 |
Preželj, Janez | 01989 |
Marc, Janja | 12189 |
Vir: Osebne bibliografije
in: SICRIS
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