Cited by 51Stress Responses and CortisolRegulation of Appetite and ObesityNeurotransmitter Receptor Influence on Behavior

Predictive behaviors for anxiety and depression in female Wistar rats subjected to cafeteria diet and stress

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da Costa Estrela, Dieferson, da Silva, Wellington Alves Mizael, Guimarães, Abraão Tiago Batista, de Oliveira Mendes, Bruna, da Silva Castro, André Luis, da Silva Torres, Iraci Lucena, Malafaia, Guilherme·2015·Physiology & Behavior

Abstract

Obesity and chronic stress have been considered important public health problems that affect millions of people worldwide. Our aim was to analyze the effect of obesity associated with chronic stress on neurobehavioral parameters in female rats, considering that the association of these syndromes can enhance the negative effects on homeostasis. The animals were distributed into standard diet (Std), standard diet+stress (Std+stress), cafeteria diet (Cafe), and cafeteria diet+stress (Cafe+stress) groups. The animals of groups Std and Std+stress were fed with rodent standard feed. Groups Cafe and Cafe+stress, additionally to the standard feed, were offered palatable and calorie-rich processed food and cola-type soft drink ad libitum. From the eighth experimental week, groups Std+stress and Cafe+stress were subjected to restraint chronic stress model (50 days). After the stress protocol, predictive anxiety (open-field and elevated plus-maze tests) and depression (forced swim) were applied. The cafeteria diet was effective in inducing obesity. The ratio locomotion in the central quadrants/total locomotion evaluated during the open field test was not indicative of anxiogenic or anxiolytic effect in the animal's behavior. However, the elevated plus maze test showed that obese and stressed animals were prone to higher anxiety levels. In addition, the obese and stressed animals display less climbing behavior than all the other groups, which can be considered an indicator of depression-like behavior. Nevertheless, it is suggested that the mechanisms involved in effects of obesity associated with chronic stress be better investigated in female rats, considering the organic complexity related to these modern illnesses.

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Crossref · 10.1016/j.physbeh.2015.07.016

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  • Prolonged high-fat diet elicits metabolic dysfunction and increases anxiety- and depressive-like behaviors in rodents.

    “To this end, rodent research has revealed that prolonged high-fat diet (HFD) elicits metabolic dysfunction and increases anxiety-and depressive-like behaviors [28][29][30][31][32][33][34][35][36], heightens stress and hypothalamic-pituitary-adrenal (HPA) responses [37,38], and triggers neurobehavioral deficits associated with blunted mesolimbic dopamine function [39][40][41].”

    From The menace of obesity to depression and anxiety prevalence (2022) · cites this paper as [30]

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Authors
da Costa Estrela, D., da Silva, W. A. M., Guimarães, A. T. B., de Oliveira Mendes, B., da Silva Castro, A. L., da Silva Torres, I. L., & Malafaia, G.
Affiliations
Instituto Federal Goiano (BR)
Corresponding author
Malafaia, Guilherme
Venue
Physiology & Behavior
Publisher
Elsevier BV
Published
2015-11
Volume
151
Pages
252-263
ISSN
0031-9384 (ISSN-L)
OpenAlex
W1111060747
Cited by
51
References
98
Citations by year
2026: 2 · 2025: 1 · 2024: 3 · 2023: 4 · 2022: 7 · 2021: 3 · 2020: 8 · 2019: 9 · 2018: 7 · 2016: 7
FWCI
2.41
Type
journal article
Language
en
Open access
Locations
  • Physiology & Behavior (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
obesity, chronic stress, cafeteria diet, anxiety-like behavior, depression-like behavior, female rats, restraint stress, elevated plus maze, open field locomotion, forced swim test, neurobehavioral effects
MeSH terms
Adrenal Glands, Animals, Anxiety Disorders, Behavior, Animal, Energy Intake, Chronic Disease, Depressive Disorder, Diet, Disease Models, Animal, Exploratory Behavior, Female, Motor Activity, Obesity, Organ Size, Stress, Psychological, Swimming, Rats, Wistar

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