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Ventura LL, Fortes NC, Santiago HC, et al. Obesity-induced diet leads to weight gain, systemic metabolic alterations, adipose tissue inflammation, hepatic steatosis, and oxidative stress in gerbils (. PeerJ. 2017;5:e2967doi: 10.7717/peerj.2967.
Ventura, L. L., Fortes, N. C., Santiago, H. C., Caliari, M. V., Gomes, M. A., & Oliveira, D. R. (2017). Obesity-induced diet leads to weight gain, systemic metabolic alterations, adipose tissue inflammation, hepatic steatosis, and oxidative stress in gerbils (. PeerJ, 5e2967. https://doi.org/10.7717/peerj.2967
Ventura, Luciana L A, et al. "Obesity-induced diet leads to weight gain, systemic metabolic alterations, adipose tissue inflammation, hepatic steatosis, and oxidative stress in gerbils (." PeerJ vol. 5 (2017): e2967. doi: https://doi.org/10.7717/peerj.2967
Ventura LL, Fortes NC, Santiago HC, Caliari MV, Gomes MA, Oliveira DR. Obesity-induced diet leads to weight gain, systemic metabolic alterations, adipose tissue inflammation, hepatic steatosis, and oxidative stress in gerbils (. PeerJ. 2017 Mar 02;5:e2967. doi: 10.7717/peerj.2967. eCollection 2017. PMID: 28265495; PMCID: PMC5337087.
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PeerJ. 2017 Mar 02;5:e2967. doi: 10.7717/peerj.2967. eCollection 2017.

Obesity-induced diet leads to weight gain, systemic metabolic alterations, adipose tissue inflammation, hepatic steatosis, and oxidative stress in gerbils (.

PeerJ

Luciana L A Ventura, Nathália C L Fortes, Helton C Santiago, Marcelo V Caliari, Maria A Gomes, Dirce R Oliveira

Affiliations

  1. Department of Parasitologia/Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil.
  2. Department of Nutrição/Escola de Enfermagem, Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil.
  3. Department of Bioquímica e Imunologia/Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil.
  4. Department of Patologia Geral/Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil.

PMID: 28265495 PMCID: PMC5337087 DOI: 10.7717/peerj.2967

Abstract

BACKGROUND: Nowadays, the number of obese people in the world has reached alarming proportions. During the expansion of adipose tissue, a number of functions such as activation and release of cytokines and hormones may be affected. This leads the body to a pro-inflammatory pattern, which may affect the proper functioning of many tissues. Thus, studying the mechanisms by which obesity induces physiological disorders is necessary, and may be facilitated by the use of animal models, in particular rodents. We sought to characterize the metabolic and adipose tissue changes resulting from a diet rich in fats and simple sugars in gerbils.

METHODS: We divided 14 gerbils into two experimental groups that received a diet rich in simple carbohydrates and fats with 5,86 kcal/g (OB,

RESULTS: The consumption of a diet rich in simple carbohydrates and fats led to increased total body weight and increased relative weights of liver and adipose tissue. In addition, we observed increased fasting glucose levels and circulating triglycerides, along with high TNF-α production in adipose tissue and increased total fat, cholesterol and triglyceride contents in the liver, contributing to higher intensity of hepatic steatosis. On the other hand, the animals of this group showed depletion in the enzyme activity of SOD and CAT in the liver, as well as reduction of IL-10 and adiponectin levels in adipose tissue.

DISCUSSION: High intake of saturated fat and simple carbohydrates establish the gerbil as an experimental model for the study of metabolic and hepatic abnormalities resulting from obesity.

Keywords: Animal models; Diet-induced obesity; Lipid metabolism; Obesity

Conflict of interest statement

The authors declare there are no competing interests.

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