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首页> 外文期刊>Reproductive toxicology >ROS in the aging male: model diseases with ROS-related pathophysiology.
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ROS in the aging male: model diseases with ROS-related pathophysiology.

机译:老年男性中的ROS:具有ROS相关病理生理学的疾病模型。

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摘要

The aging process is a complex biological phenomenon that can be attributed to several mechanisms. ROS (reactive oxygen species) activity is widely considered one of them, as it is associated with extensive damage in a variety of cells. For example, the gradual decrease in fertility often accompanying aging males can be traced back to oxidative stress, since ROS are released throughout life from the mitochondrial respiratory chain. Cumulative intracellular damage as a result of the increased ROS concentration affects all tissues that perform aerobic metabolism and, owing to blood circulation, anaerobic tissues as well. Naturally, other mechanisms such as cell inflammation and lack or incapacity of antioxidant enzymes also contribute to the variety of systematic distortions that characterize aging. Finally, the particularly elevated number of adult men that show, among others, a gradual deterioration in reproductive functions suggests a central role of ROS generation in senescence in general and male aging, in particular.
机译:衰老过程是一种复杂的生物学现象,可以归因于多种机制。 ROS(活性氧)活性被广泛认为是其中之一,因为它与多种细胞的广泛损伤有关。例如,经常伴随衰老的男性生育力的逐渐下降可以追溯到氧化应激,因为ROS是从线粒体呼吸链中释放出来的。 ROS浓度升高导致的细胞内累积损伤会影响所有进行有氧代谢的组织,并且由于血液循环也会影响厌氧组织。自然地,其他机制,例如细胞炎症和抗氧化酶的缺乏或丧失能力,也导致了表征衰老的各种系统畸变。最后,特别是成年男性数量的增加尤其显示出生殖功能的逐渐恶化,这表明ROS的产生在一般的,尤其是男性衰老的衰老中起着核心作用。

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