Preclinical models for obesity research

Research output: Contribution to journalArticle

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Abstract

A multi-dimensional strategy to tackle the global obesity epidemic requires an in-depth understanding of the mechanisms that underlie this complex condition. Much of the current mechanistic knowledge has arisen from preclinical research performed mostly, but not exclusively, in laboratory mouse and rat strains. These experimental models mimic certain aspects of the human condition and its root causes, particularly the over-consumption of calories and unbalanced diets. As with human obesity, obesity in rodents is the result of complex gene-environment interactions. Here, we review the traditional monogenic models of obesity, their contemporary optogenetic and chemogenetic successors, and the use of dietary manipulations and meal-feeding regimes to recapitulate the complexity of human obesity. We critically appraise the strengths and weaknesses of these different models to explore the underlying mechanisms, including the neural circuits that drive behaviours such as appetite control. We also discuss the use of these models for testing and screening anti-obesity drugs, beneficial bio-actives, and nutritional strategies, with the goal of ultimately translating these findings for the treatment of human obesity.

Original languageEnglish
Pages (from-to)1245-1255
Number of pages11
JournalDisease Models & Mechanisms
Volume9
Issue number11
DOIs
Publication statusPublished - 1 Nov 2016

Fingerprint

Obesity
Research
Anti-Obesity Agents
Nutrition
Optogenetics
Rats
Gene-Environment Interaction
Screening
Genes
Appetite
Meals
Networks (circuits)
Rodentia
Testing
Theoretical Models
Diet
Therapeutics

Keywords

  • binge eating
  • epigentics
  • obesity
  • transgenics

Cite this

Preclinical models for obesity research. / Barrett, Perry; Mercer, Julian G; Morgan, Peter J.

In: Disease Models & Mechanisms, Vol. 9, No. 11, 01.11.2016, p. 1245-1255.

Research output: Contribution to journalArticle

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