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Current Neuropharmacology

Rome
(Italy)

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ISSN (Print): 1570-159X
ISSN (Online): 1875-6190

Review Article

Coping with Stress During Aging: The Importance of a Resilient Brain

Author(s): P. Sampedro-Piquero*, P. Alvarez-Suarez and A. Begega

Volume 16 , Issue 3 , 2018

Page: [284 - 296] Pages: 13

DOI: 10.2174/1570159X15666170915141610

Price: $65

Abstract

Background: Resilience is the ability to achieve a positive outcome when we are in the face of adversity. It supposes an active resistance to adversity by coping mechanisms in which genetic, molecular, neural and environmental factors are involved. Resilience has been usually studied in early ages and few is known about it during aging.

Methods: In this review, we will address the age-related changes in the brain mechanisms involved in regulating the stress response. Furthermore, using the EE paradigm, we analyse the resilient potential of this intervention and its neurobiological basis. In this case, we will focus on identifying the characteristics of a resilient brain (modifications in HPA structure and function, neurogenesis, specific neuron types, glia, neurotrophic factors, nitric oxide synthase or microRNAs, among others).

Results: The evidence suggests that a healthy lifestyle has a crucial role to promote a resilient brain during aging. Along with the behavioral changes described, a better regulation of HPA axis, enhanced levels of postmitotic type-3 cells or changes in GABAergic neurotransmission are some of the brain mechanisms involved in resilience.

Conclusion: Future research should identify different biomarkers that increase the resistance to develop mood disorders and based on this knowledge, develop new potential therapeutic targets.

Keywords: Aging, stress, resilience, brain, healthy lifestyle, affective disorders.

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