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Programming the HPA-axis by early life experience: Mechanisms of stress susceptibility and adaptation

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889194810 Year: Pages: 140 DOI: 10.3389/978-2-88919-481-0 Language: English
Publisher: Frontiers Media SA
Subject: Science (General) --- Neurology --- Medicine (General) --- Internal medicine
Added to DOAB on : 2015-11-16 15:44:59
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Abstract

Experiences during early life program the central nervous- and endocrine-systems with consequences for susceptibility to physical and mental disorders. These programming effects depend on genetic and epigenetic factors, and their outcome leads to an adaptive or maladaptive phenotype to a given later environmental context. This Research Topic focused on the hypothalamus-pituitary-adrenal (HPA)-axis and stress-related phenotypes, and on how HPA-axis programming by the environment precisely occurs. We included original research, mini-review and review papers on a broad range of topics related to HPA-axis programming.

Neuroendocrine mechanisms that connect feeding behavior and stress

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889195077 Year: Pages: 189 DOI: 10.3389/978-2-88919-507-7 Language: English
Publisher: Frontiers Media SA
Subject: Neurology --- Science (General)
Added to DOAB on : 2015-12-03 13:02:24
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Research during the past decade highlights the strong link between appetitive feeding behavior, reward and motivation. Interestingly, stress levels can affect feeding behavior by manipulating hypothalamic circuits and brain dopaminergic reward pathways. Indeed, animals and people will increase or decrease their feeding responses when stressed. In many cases acute stress leads to a decrease in food intake, yet chronic social stressors are associated to increases in caloric intake and adiposity. Interestingly, mood disorders and the treatments used to manage these disorders are also associated with changes in appetite and body weight. These data suggest a strong interaction between the systems that regulate feeding and metabolism and those that regulate mood. This Research Topic aims to illustrate how hormonal mechanisms regulate the nexus between feeding behavior and stress. It focuses on the hormonal regulation of hypothalamic circuits and/or brain dopaminergic systems, as the potential sites controlling the converging pathways between feeding behavior and stress.

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2015 (2)