Journal
MECHANISMS OF AGEING AND DEVELOPMENT
Volume 197, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mad.2021.111519
Keywords
Ageing; Testis; Ovary; Inflammation; Oxidative stress
Categories
Funding
- Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET)
- Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT)
- Ministerio de Ciencia, Tecnologia e Innovacion Productiva (MINCYT)
- Universidad de Buenos Aires
- Fundacion Alberto J. Roemmers
- Fundacion Rene Baron
- Fundacion Williams of Argentina
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As individuals age, changes in the hypothalamic-pituitary-gonadal axis lead to a decline in gonadal function, impacting fertility and quality of life. This decline exacerbates a mutual crosstalk among oxidative stress, apoptosis, and the inflammatory response in the gonads, adversely affecting fertility. Novel therapeutic interventions using antioxidant, anti-apoptotic, and anti-inflammatory drugs have potential clinical implications on health span and life span.
Ageing is linked to changes in the hypothalamic-pituitary-gonadal axis and a progressive decline in gonadal function. While women become infertile when they enter menopause, fertility decline in ageing men does not necessarily involve a complete cessation of spermatogenesis. Gonadal dysfunction in elderly people is characterized by morphological, endocrine and metabolic alterations affecting the reproductive function and quality of life. With advancing age, sexuality turns into a critical emotional and physical factor actually defining the number of years that ageing people live a healthy life. Gonadal ageing correlates with comorbidities and an increased risk of age-related diseases including diabetes, kidney problems, cardiovascular failures and cancer. This article briefly summarizes the current state of knowledge on ovarian and testicular senescence, explores the experimental models used in the study of gonadal ageing, and describes the local pro-inflammatory, oxidative and apoptotic events and the associated signalling pathways that take place in the gonads while people get older & nbsp;Overall, literature reports that ageing exacerbates a mutual crosstalk among oxidative stress, apoptosis and the inflammatory response in the gonads leading to detrimental effects on fertility. Data also highlight the clinical implications of novel therapeutic interventions using antioxidant, anti-apoptotic and anti-inflammatory drugs on health span and life span.
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