Journal
NEUROENDOCRINOLOGY
Volume 112, Issue 1, Pages 1-14Publisher
KARGER
DOI: 10.1159/000514434
Keywords
Growth hormone; Hypothalamic-pituitary-adrenal axis; Dynamic tests; Aging; Anterior pituitary
Categories
Funding
- AGING Project - Department of Excellence - Department of Translational Medicine, Universita del Piemonte Orientale
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Aging and age-related diseases are hot topics of current research, influenced by genetic and environmental factors. Understanding the role of the endocrine system in aging is crucial for early assessment of endocrine function in aging individuals.
Aging and age-related diseases represent hot topics of current research. Progressive damage in morphology and function of cells and tissue characterizes the normal process of aging that is influenced by both genetic and environmental factors. The ability of each individual to adapt to these stressors defines the type of aging and the onset of age-related diseases (i.e., metabolic syndrome, inflammatory disorders, cancer, and neurodegenerative diseases). The endocrine system plays a critical role in this process because of its complex relationships with brain, immune system, and skeletal muscle; thus, alterations in hormonal networks occur during aging to maintain homeostasis, with consequent under- or overactivity of specific hypothalamic-pituitary-peripheral hormone axes. On the other hand, the increase in life expectancy has led to increasing incidence of age-related diseases, including endocrine disorders, which may prompt assessment of endocrine function in aging individuals. In this context, there is growing awareness that natural changes of endocrine physiology and physiopathology occurring with increasing age may necessitate age-driven diagnostic cutoffs requiring validation in the elderly. This review aims to analyze the available literature on the hormone response to the most important dynamic tests currently used in the clinical practice for the screening of anterior pituitary-related diseases to underline pitfalls in interpretation during aging.
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