Role of Sex Hormones on Brain Mitochondrial Function, with Special Reference to Aging and Neurodegenerative Diseases.

Role of Sex Hormones on Brain Mitochondrial Function, with Special Reference to Aging and Neurodegenerative Diseases.
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DOI:
10.3389/fnagi.2017.00406
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发表时间:
2017
影响因子:
4.8
通讯作者:
Guennoun R
Guennoun R
中科院分区:
医学2区
文献类型:
--
作者:
Gaignard P;Liere P;Thérond P;Schumacher M;Slama A;Guennoun R

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线粒体在细胞能量供应和氧化应激调节中起着重要作用,并且是性类固醇作用的靶点,特别是神经保护作用。衰老与不同类固醇激素水平的下降有关,这种下降可能会强调一些神经功能障碍。此外,与衰老过程相关的线粒体功能的改变也有充分的记录。在这篇综述中,我们将讨论的研究,描述修改脑线粒体功能和类固醇水平与生理老化和神经退行性疾病。一个特别的重点将放在描述和讨论我们最近的研究结果有关的线粒体功能(氧化磷酸化,氧化应激)和脑类固醇水平在年轻(3个月大)和老年(20个月大)的雄性和雌性小鼠的伴随研究。
The mitochondria have a fundamental role in both cellular energy supply and oxidative stress regulation and are target of the effects of sex steroids, particularly the neuroprotective ones. Aging is associated with a decline in the levels of different steroid hormones, and this decrease may underline some neural dysfunctions. Besides, modifications in mitochondrial functions associated with aging processes are also well documented. In this review, we will discuss studies that describe the modifications of brain mitochondrial function and of steroid levels associated with physiological aging and with neurodegenerative diseases. A special emphasis will be placed on describing and discussing our recent findings concerning the concomitant study of mitochondrial function (oxidative phosphorylation, oxidative stress) and brain steroid levels in both young (3-month-old) and aged (20-month-old) male and female mice.
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