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Identification of a QTL for adipocyte volume and of shared genetic effects with aspartate aminotransferase.

机译:用天冬氨酸氨基转移酶鉴定Adipocyte体积和共同遗传效果的QTL。

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摘要

Plasma levels of aspartate aminotransferase (AST), a liver enzyme, are elevated in patients with visceral obesity. This study examined whether adipocyte volume is under the influence of genetic factors and evaluated its genetic correlations with AST. Fasting plasma levels of 344 pedigreed baboons from the Southwest National Primate Research Center in San Antonio, TX, USA, were assayed for AST. Adipocyte volume was measured using biopsies of omental adipose tissue. Adipocyte volume, body weight, and plasma AST were heritable. Genetic correlations between the measured adiposity-related phenotypes and AST were significant. A quantitative trait locus (LOD score 3.2) for adipocyte volume was identified on the baboon homolog of human chromosome 6 near marker D6S1028. These results suggest that omental adipocyte volume is under genetic regulation and that shared genetic factors influence adiposity-associated traits and AST.
机译:血氨酸氨基转移酶(AST),肝脏酶的血浆水平升高,患有内脏肥胖的患者。 该研究检查了脂肪细胞体积是否受到遗传因子的影响并评估其与AST的遗传相关性。 美国德克萨斯州德克萨斯州圣安东尼奥的西南民族灵长类动物研究中心的344个雕痕狒狒的禁食等离子体水平被测定。 使用Omental Adipose组织的活组织检查测量脂肪细胞体积。 脂肪细胞体积,体重和等离子体AST是遗传的。 测量的肥胖相关表型和AST之间的遗传相关性显着。 在Harger D6S1028附近的人染色体6附近的乳浴同源物中鉴定了用于脂肪细胞体积的定量性状轨迹(LOD得分3.2)。 这些结果表明,Omental Adipocyte体积受到遗传调节,共享遗传因素影响肥胖相关的性状和AST。

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