Journal
TRENDS IN ENDOCRINOLOGY AND METABOLISM
Volume 28, Issue 10, Pages 735-747Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tem.2017.07.002
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- Department of Health and Human Services [AG011833, R56AG049629]
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Aging-related diseases show a marked sex bias. For example, women live longer than men yet have more Alzheimer's disease and osteoporosis, whereas men have more cancer and Parkinson's disease. Understanding the role of sex will be important in designing interventions and in understanding basic aging mechanisms. Aging also shows sex differences in model organisms. Dietary restriction (DR), reduced insulin/IGF1-like signaling (IIS), and reduced TOR signaling each increase life span preferentially in females in both flies and mice. Maternal transmission of mitochondria to offspring may lead to greater control over mitochondrial functions in females, including greater life span and a larger response to diet. Consistent with this idea, males show greater loss of mitochondrial gene expression with age.
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