2006
DOI: 10.1590/s0102-86502006000600013
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Experimental model to induce obesity in rats

Abstract: The etiology of obesity is multifactorial and is becoming a problem of public health, due to its increased prevalence and the consequent repercussion of its comorbidities on the health of the population. The great similarity and homology between the genomes of rodents and humans make these animal models a major tool to study conditions affecting humans, which can be simulated in rats. Obesity can be induced in animals by neuroendocrine, dietary or genetic changes. The most widely used models to induce obesity … Show more

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Cited by 81 publications
(74 citation statements)
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References 45 publications
(55 reference statements)
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“…For this reason, we were interested in assessing adiponutrin and ATGL expression and nutritional regulation in adipose tissue using a rat diet-induced obesity model. To induce obesity, we selected cafeteria diet feeding; the cafeteria diet is a mixed, varied, palatable, hyperlipidic diet, extensively experienced and very useful as it mimics human obesity studies [25][26][27][28][29][30][31] because it induces voluntary hyperphagia, eliciting an increase of body weight and adipose mass in rats even after a short period of time. 32 Adipose tissue is distributed in different anatomical sites with different biological functions and metabolic activities, 33,34 and we have described important regional differences regarding adiponutrin and ATGL expression.…”
Section: Introductionmentioning
confidence: 99%
“…For this reason, we were interested in assessing adiponutrin and ATGL expression and nutritional regulation in adipose tissue using a rat diet-induced obesity model. To induce obesity, we selected cafeteria diet feeding; the cafeteria diet is a mixed, varied, palatable, hyperlipidic diet, extensively experienced and very useful as it mimics human obesity studies [25][26][27][28][29][30][31] because it induces voluntary hyperphagia, eliciting an increase of body weight and adipose mass in rats even after a short period of time. 32 Adipose tissue is distributed in different anatomical sites with different biological functions and metabolic activities, 33,34 and we have described important regional differences regarding adiponutrin and ATGL expression.…”
Section: Introductionmentioning
confidence: 99%
“…This model consists of the administration of a hypercaloric diet with an increased amount of fats and carbohydrates [15,16]. The exact composition of the diet is shown in Table 1.…”
Section: Methodsmentioning
confidence: 99%
“…Para compreender melhor o papel de cada um dos elementos envolvidos na fisiopatologia da obesidade, pesquisadores utilizam modelos experimentais animais, que podem determinar de maneira controlada o papel de cada um dos componentes da secreção e resistência periférica à insulina e obesidade 2 . A grande similaridade e homologia entre os genomas de roedores e humanos tornam, esses modelos animais, uma ferramenta importante para o estudo da obesidade, de condições que afetam os humanos e podem ser simuladas em ratos 3 . Um modelo de obesidade, encontrado na literatura e que será usado nesta pesquisa, é a indução através da administração do glutamato monossódico que provoca lesão do núcleo hipotalâmico venteromedial, sem que o animal aumente a ingestão alimentar 3 .…”
Section: R Bras CI Saúde 21(2):127-132 2017unclassified
“…A grande similaridade e homologia entre os genomas de roedores e humanos tornam, esses modelos animais, uma ferramenta importante para o estudo da obesidade, de condições que afetam os humanos e podem ser simuladas em ratos 3 . Um modelo de obesidade, encontrado na literatura e que será usado nesta pesquisa, é a indução através da administração do glutamato monossódico que provoca lesão do núcleo hipotalâmico venteromedial, sem que o animal aumente a ingestão alimentar 3 . Obesidade tem sido associada com condições médicas potencialmente fatais incluindo doenças cardiovasculares 4 , vários tipos de câncer 5 , diabetes 6 , bem como distúrbios endócrinos 7 .…”
Section: R Bras CI Saúde 21(2):127-132 2017unclassified