Document Detail


Aging and male reproductive function: A mitochondrial perspective .
MedLine Citation:
PMID:  23277044     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Researching the effects of aging in the male reproductive system is not trivial. Not only are multiple changes at molecular, cellular and endocrine levels involved, but any findings must be discussed with variable individual characteristics, as well as with lifestyle and environmental factors. Age-related changes in the reproductive system include any aspect of reproductive function, from deregulation of the hypothalamic-pituitary-gonadal axis and of local auto/paracrine interactions, to effects on testicular stem cells, defects in testicular architecture and spermatogenesis, or sperm with decreased functionality. Several theories place mitochondria at the hub of cellular events related to aging, namely regarding the accumulation of oxidative damage to cells and tissues, a process in which these organelles play a prominent role, although alternative theories have also emerged. However, oxidative stress is not the only process involved in mitochondrial-related aging; mitochondrial energy metabolism, changes in mitochondrial DNA or in mitochondrial-dependent testosterone production are also important. Crucially, all these issues are likely interdependent. We will review evidence that suggests that mitochondria constitute a common link between aging and fertility loss.
Authors:
Sandra Amaral; Alexandra Amaral; Joao Ramalho-Santos
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Publication Detail:
Type:  Journal Article     Date:  2013-01-01
Journal Detail:
Title:  Frontiers in bioscience (Scholar edition)     Volume:  5     ISSN:  1945-0524     ISO Abbreviation:  Front Biosci (Schol Ed)     Publication Date:  2013  
Date Detail:
Created Date:  2013-01-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101485241     Medline TA:  Front Biosci (Schol Ed)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  181-97     Citation Subset:  IM    
Affiliation:
Department of Life Sciences, University of Coimbra, PO Box 3046, 3001-401 Coimbra, Portugal.
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