Semen selenium content and sperm mitochondrial volume in human and some animal species.
Semen selenium content and sperm mitochondrial volume in human and some animal species.
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DOI：
10.1093/oxfordjournals.humrep.a136893
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发表时间：
1989-04
影响因子：
6.1
通讯作者：
M. Saaranen;U. Suistomaa;T. Vanha-Perttula
中科院分区：
文献类型：
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作者：
M. Saaranen;U. Suistomaa;T. Vanha-Perttula
从人类和四种不同动物的精浆样本和精子中测定了硒 (Se) 和谷胱甘肽过氧化物酶 (GSH-Px)。人类精子的硒浓度为 1.8 +/- 0.8 微克/克干重，约为公牛精子硒浓度的一半。精子形态和活力异常与精子硒含量低相关。使用透射电子显微镜测量了人类、公牛和种马的精子线粒体鞘的体积。在这些物种中，精子的硒含量与线粒体的体积高度相关。在研究的五个物种中，人类雄性和种马的精浆硒水平最低，而公牛的精浆水平最高。人类精液质量和精浆硒浓度之间没有相关性。人和公羊的精浆GSH-Px活性较低，公猪和种马不存在，但公牛的精浆GSH-Px活性很高。不同物种的精子结构硒含量以及精浆硒含量和 GSH-Px 活性似乎存在很大差异。
Selenium (Se) and glutathione peroxidase (GSH-Px) were determined from the seminal plasma samples and spermatozoa of human and four different animal species. The human sperm Se concentration was 1.8 +/- 0.8 micrograms/g dry weight, which was about half of that in the bull. Abnormal sperm morphology and motility correlated with low sperm Se content. The volume of sperm mitochondrial sheath in human, bull and stallion was measured using transmission electron microscopy. In these species the sperm Se content was highly correlated with the volume of mitochondria. Among the five species studied, the seminal plasma level of Se was lowest in human male and stallion, while the highest levels were encountered in the bull. No correlation was obtained between human semen quality and seminal plasma Se concentration. The seminal plasma GSH-Px activity was low in man and ram, absent in boar and stallion but very high in the bull. The amount of structural sperm Se as well as seminal plasma Se and GSH-Px activity appears to be highly variable in different species.