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首页> 外文期刊>Life sciences >Leptin is related to epinephrine levels but not reproductive hormone levels in cycling African-American and Caucasian women.
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Leptin is related to epinephrine levels but not reproductive hormone levels in cycling African-American and Caucasian women.

机译：瘦素与肾上腺素水平有关，但与骑自行车的非洲裔美国人和白人妇女的生殖激素水平无关。

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This study examined the effects of the menstrual cycle and race on plasma leptin levels. Sixty-one healthy African-American and Caucasian women and men (mean age 32 years) were studied twice, approximately six weeks apart, women once during the follicular phase (days 7-10 following menses) and once during the luteal phase (days 7-10 following LH surge) of the menstrual cycle. Consistent with the literature, women showed approximately 4-fold higher leptin levels as compared to men (p<0.001). There were no effects of the menstrual cycle nor race on leptin levels. Leptin levels were correlated with BMI in both women and men respectively, r=0.602, p<0.001 and r=0.338, p<0.05. Leptin levels showed a high degree of test-retest reliability across the 6-week testing interval (r=0.62, p<0.001 for women and r=0.91, p<0.001 for men). In addition, in women, and independent of BMI, leptin was negatively correlated with plasma epinephrine levels (r=-0.38, p=0.01). No such relationship was observed in men. The findings indicate that in women leptin levels are not associated with cyclic changes in estrogen or progesterone but may be associated with catecholamine levels.
机译：这项研究检查了月经周期和种族对血浆瘦素水平的影响。研究了61位健康的非洲裔美国人和高加索女性和男性（平均年龄32岁），两次，相隔大约六周，女性在卵泡期（月经后7-10天）和黄体期（7天）一次。 LH潮气后的-10日）。与文献一致，女性的瘦素水平比男性高约4倍（p <0.001）。月经周期或种族对瘦素水平没有影响。男女的瘦素水平均与BMI相关，r = 0.602，p <0.001，r = 0.338，p <0.05。在6周的测试间隔中，瘦素水平显示出高度的重测信度（女性r = 0.62，p <0.001，男性r = 0.91，p <0.001）。此外，在女性且独立于BMI的情况下，瘦素与血浆肾上腺素水平呈负相关（r = -0.38，p = 0.01）。在男性中没有观察到这种关系。研究结果表明，女性瘦素水平与雌激素或孕激素的周期性变化无关，但可能与儿茶酚胺水平有关。

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