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Plos One : a Pilot Investigation of Visceral Fat Adiposity and Gene Expression Profile in Peripheral Blood Cells, Volume 7

By Bacurau, Reury F.P

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Book Id: WPLBN0003933039
Format Type: PDF eBook :
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Reproduction Date: 2015

Title: Plos One : a Pilot Investigation of Visceral Fat Adiposity and Gene Expression Profile in Peripheral Blood Cells, Volume 7  
Author: Bacurau, Reury F.P
Volume: Volume 7
Language: English
Subject: Journals, Science, Medical Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary)
Historic
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Publisher: Plos

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Bacurau, R. F. (n.d.). Plos One : a Pilot Investigation of Visceral Fat Adiposity and Gene Expression Profile in Peripheral Blood Cells, Volume 7. Retrieved from http://netlibrary.net/


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Description : Evidence suggests that visceral fat accumulation plays a central role in the development of metabolic syndrome. Excess visceral fat causes local chronic low-grade inflammation and dysregulation of adipocytokines, which contribute in the pathogenesis of the metabolic syndrome. These changes may affect the gene expression in peripheral blood cells. This study for the first time examined the association between visceral fat adiposity and gene expression profile in peripheral blood cells. The gene expression profile was analyzed in peripheral blood cells from 28 obese subjects by microarray analysis. Reverse transcription-polymerase chain reaction (RT-PCR) was performed using peripheral blood cells from 57 obese subjects. Obesity was defined as body mass index (BMI) greater than 25 kg/m2 according to the Japanese criteria, and the estimated visceral fat area (eVFA) was measured by abdominal bioelectrical impedance. Analysis of gene expression profile was carried out with Agilent whole human genome 4644 K oligo-DNA microarray. The expression of several genes related to circadian rhythm, inflammation, and oxidative stress correlated significantly with visceral fat accumulation. Period homolog 1 (PER1) mRNA level in blood cells correlated negatively with visceral fat adiposity. Stepwise multiple regression analysis identified eVFA as a significant determinant of PER1 expression. In conclusion, visceral fat adiposity correlated with the expression of genes related to circadian rhythm and inflammation in peripheral blood cells.

 

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