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The Role of Overexpressed Apolipoprotein AV in Insulin-Resistant Hepatocytes.


ABSTRACT: In this paper, we sought to explore the relationship between apolipoprotein AV (APOAV) overexpression and insulin resistance in hepatocytes. The insulin-resistant HepG2 cell model was constructed, and then, APOAV-overexpressed HepG2 cells (B-M) were induced by infecting with a recombinant adenovirus vector. Microarray data were developed from B-M samples compared with negative controls (A-con), and the microarray data were analyzed by bioinformatic methods. APOAV-overexpression induced 313 upregulated genes and 563 downregulated ones in B-M sample. The differentially expressed genes (DEGs) were significantly classified in fat digestion and absorption pathway. Protein-protein interaction network was constructed, and AGTR1 (angiotensin II receptor type 1) and P2RY2 (purinergic receptor P2Y, G-protein coupled 2) were found to be the significant nodes closely related with G-protein related signaling. Additionally, overexpression of APOAV could change the expression of Glut4 and release the insulin resistance of hepatic cells. Thus, APOAV overexpression may prevent the insulin resistance in liver cells by mediating the genes such as AGTR1 and P2RY2.

SUBMITTER: Zhao W 

PROVIDER: S-EPMC7193279 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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The Role of Overexpressed Apolipoprotein AV in Insulin-Resistant Hepatocytes.

Zhao Wang W   Liu Yaqiong Y   Liao Xiaobo X   Zhao Shuiping S  

BioMed research international 20200421


In this paper, we sought to explore the relationship between apolipoprotein AV (<i>APOAV</i>) overexpression and insulin resistance in hepatocytes. The insulin-resistant HepG2 cell model was constructed, and then, <i>APOAV</i>-overexpressed HepG2 cells (B-M) were induced by infecting with a recombinant adenovirus vector. Microarray data were developed from B-M samples compared with negative controls (A-con), and the microarray data were analyzed by bioinformatic methods. <i>APOAV</i>-overexpress  ...[more]

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