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Research Article

Characterization of free fatty acid receptors expression in an obesity rat model with high sucrose diet

, , , , , , , , & show all
Pages 76-82 | Received 16 Nov 2017, Accepted 28 Dec 2017, Published online: 25 Jan 2018
 

Abstract

Introduction/aims: In recent years, it has been shown that free fatty acids receptors (FFAR) of whose function in the cell surface plays a significant role in the regulation of cell function and nutrition as well are activated by various endogenous ligands, but mainly by fatty acids. Within FFAR of our interest are GPR 41, 43 and 120. The functions of these receptors are varied and dependent on the tissue where they are. The activation and signaling of these receptors, FFAR, are involved in many physiological processes, and currently the target of many drugs in metabolic disorders like obesity, diabetes and atherosclerosis.

Material and methods: Obesity was induced with hypercaloric diet (HD) in male Wistar rats for 20 weeks (n = 10). At the end, adipose tissue (abdominal and subcutaneous) was taken to perform assays for relative quantification mRNA expression by end-point RT-PCR and protein level expression by Western blot.

Results: These present data have shown for the first time that total mRNA isolation and protein expression from both adipose tissues (abdominal and subcutaneous) of rat in obesity condition yield significative statistical difference among the control versus obese groups, showing that the diet high in carbohydrates modifies the total presence of mRNA and protein level expression of the receptors GPR41, 43 and 120.

Conclusions: Further comparative methods are in process to clarify whether or not the obesity changes the functional receptors in these two tissues for new pharmacological approaches.

Disclosure statement

There is no conflict of interest that could be perceived as prejudicing the impartiality of the research reported.

Additional information

Funding

The research was carried out with partial support by CONACYT postgraduate fellowship # 243267 and Conde de Valenciana Foundation.

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