Abstract
The health maintenance depends on the preservation of the homeostatic systems, such as nervous, endocrine and immune system, and a proper communication between them. In this regard, the circadian system, which promotes a better physiological system functions and thus well being, could be considered part of that homeostatic complex, since the neuroimmunoendocrine system possesses circadian patterns in most variables, as well as circannual or seasonal variations. With aging, an impairment of the homeostatic systems occurs and an alteration of circadian system regulation has been demonstrated. In the immune system, several function parameters, which are good markers of health and of the rate of aging, change not only with age (immunosenescence) but also throughout the day and year. Indeed, with advancing age there is a modification of immune cell circadian function especially in lymphocytes. Moreover, immune functions at early afternoon correspond to more aged values than at morning, especially in mature subjects (60-79 years of age). In addition, these mature men and women showed a significant impaired immune cell function, which is especially remarkable in the winter. It is noteworthy the role of immunomodulatory hormones, such as melatonin, in the regulation of biological rhythms and their involvement in the aging process. Furthermore, the evidence of a neuroimmune regulation of the circadian system and its disturbance with aging, highlights the importance of proinflammatory cytokines in this complex cross-talk. The biological rhythms disruption with age and some diseases (jet lag, cancer and seasonal affective disorder), could contribute increasing the immune system impairment and consequently the loss of health.
Keywords: Circadian rhythms, circannual or seasonal rhythms, neuroimmunoendocrine system, aging, blood leukocytes.
Current Pharmaceutical Design
Title:Chronobiology of the Neuroimmunoendocrine System and Aging
Volume: 20 Issue: 29
Author(s): Ianire Mate, Juan Antonio Madrid and Monica De la Fuente
Affiliation:
Keywords: Circadian rhythms, circannual or seasonal rhythms, neuroimmunoendocrine system, aging, blood leukocytes.
Abstract: The health maintenance depends on the preservation of the homeostatic systems, such as nervous, endocrine and immune system, and a proper communication between them. In this regard, the circadian system, which promotes a better physiological system functions and thus well being, could be considered part of that homeostatic complex, since the neuroimmunoendocrine system possesses circadian patterns in most variables, as well as circannual or seasonal variations. With aging, an impairment of the homeostatic systems occurs and an alteration of circadian system regulation has been demonstrated. In the immune system, several function parameters, which are good markers of health and of the rate of aging, change not only with age (immunosenescence) but also throughout the day and year. Indeed, with advancing age there is a modification of immune cell circadian function especially in lymphocytes. Moreover, immune functions at early afternoon correspond to more aged values than at morning, especially in mature subjects (60-79 years of age). In addition, these mature men and women showed a significant impaired immune cell function, which is especially remarkable in the winter. It is noteworthy the role of immunomodulatory hormones, such as melatonin, in the regulation of biological rhythms and their involvement in the aging process. Furthermore, the evidence of a neuroimmune regulation of the circadian system and its disturbance with aging, highlights the importance of proinflammatory cytokines in this complex cross-talk. The biological rhythms disruption with age and some diseases (jet lag, cancer and seasonal affective disorder), could contribute increasing the immune system impairment and consequently the loss of health.
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Cite this article as:
Mate Ianire, Madrid Antonio Juan and Fuente De la Monica, Chronobiology of the Neuroimmunoendocrine System and Aging, Current Pharmaceutical Design 2014; 20 (29) . https://dx.doi.org/10.2174/1381612820666140130201131
DOI https://dx.doi.org/10.2174/1381612820666140130201131 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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