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Cellular and Molecular Biology Letters

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Volume 17, Issue 2 (Jun 2012)

Analysis of the role of the integrin signaling pathway in hepatocytes during rat liver regeneration

Cunshuan Xu
  • Henan Normal University
  • Key Laboratory for Cell Differentiation Regulation
  • Email:
/ Yanjie Yang
  • Henan Normal University
  • Key Laboratory for Cell Differentiation Regulation
  • Email:
/ Junying Yang
  • Key Laboratory for Cell Differentiation Regulation
  • Email:
/ Xiaoguang Chen
  • Key Laboratory for Cell Differentiation Regulation
  • Email:
/ Gaiping Wang
  • Key Laboratory for Cell Differentiation Regulation
  • Email:
Published Online: 2012-04-24 | DOI: https://doi.org/10.2478/s11658-012-0011-x


To explore the role of the integrin signaling pathway in hepatocytes during rat liver regeneration, the integrin signaling pathway-related gene expression profile in hepatocytes of regenerative liver was detected using Rat Genome 230 2.0 array. The chip data showed that 265 genes of the integrin signaling pathway were included by Rat Genome 230 2.0 array and 132 genes showed significant expression changes in hepatocytes of regenerative liver. The numbers of up-, down- and up/down-regulated genes were 110, 15 and 7 respectively. In addition, bioinformatics and systems biology methods were used to analyze the role of the integrin signaling pathway in hepatocytes. The analysis of gene synergy value indicated that paths 1, 8, 12, and 15 promoted hepatocyte proliferation at the priming phase of liver regeneration; paths 1, 3, 8, and 12–15 enhanced hepatocyte proliferation at the progressing phase; paths 11 and 14 promoted hepatocyte proliferation, while paths 12 and 13 reduced hepatocyte proliferation at the terminal phase. Additionally, the other 8 paths (2, 4, 5–7, 9–10, and 16) were not found to be related to liver regeneration. In conclusion, 132 genes and 8 cascades of the integrin signaling pathway participated in regulating hepatocyte proliferation during rat liver regeneration.

Keywords: Integrin signaling pathway; Rat; Liver regeneration; Partial hepatectomy; Immunochemistry; Hepatocyte proliferation; Rat Genome 230 2.0 array; RT-PCR; Gene expression profile; Gene synergy value

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About the article

Published Online: 2012-04-24

Published in Print: 2012-06-01

Citation Information: Cellular and Molecular Biology Letters, ISSN (Online) 1689-1392, DOI: https://doi.org/10.2478/s11658-012-0011-x. Export Citation

© 2012 Versita Warsaw. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. (CC BY-NC-ND 3.0)

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