Hepatocyte transplantation activates hepatic stellate cells with beneficial modulation of cell engraftment in the rat

Daniel Benten, Vinay Kumaran, Brigid Joseph, Jörn Schattenberg, Yury Popov, Detlef Schuppan, Sanjeev Gupta

Research output: Contribution to journalArticle

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Abstract

We investigated whether transplanted hepatocytes interact with hepatic stellate cells, as cell-cell interactions could modulate their engraftment in the liver. We transplanted Fischer 344 rat hepatocytes into syngeneic dipeptidyl peptidase IV-deficient rats. Activation of hepatic stellate cells was analyzed by changes in gene expression, including desmin and α-smooth muscle actin, matrix proteases and their inhibitors, growth factors, and other stellate cell-associated genes with histological methods or polymerase chain reaction. Furthermore, the potential role of hepatic ischemia, Kupffer cells, and cytokine release in hepatic stellate cell activation was investigated. Hepatocyte transplantation activated desmin-positive hepatic stellate cells, as well as Kupffer cells, including in proximity with transplanted cells. Inhibition of Kupffer cells by gadolinium chloride, blockade of tumor necrosis factor alpha (TNF-α) activity with etanercept or attenuation of liver ischemia with nitroglycerin did not decrease this hepatic stellate cell perturbation. After cell transplantation, soluble signals capable of activating hepatic stellate cells were rapidly induced, along with early upregulated expression of matrix metalloproteinases-2, -3, -9, -13, -14, and their inhibitors. Moreover, prior depletion of activated hepatic stellate cells with gliotoxin decreased transplanted cell engraftment. In conclusion, cell transplantation activated hepatic stellate cells, which, in turn, contributed to transplanted cell engraftment in the liver. Manipulation of hepatic stellate cells might provide new strategies to improve liver repopulation after enhanced transplanted cell engraftment.

Original languageEnglish (US)
Pages (from-to)1072-1081
Number of pages10
JournalHepatology
Volume42
Issue number5
DOIs
StatePublished - Nov 2005

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Hepatic Stellate Cells
Hepatocytes
Transplantation
Kupffer Cells
Liver
Desmin
Cell Transplantation
Ischemia
Gliotoxin
Dipeptidyl Peptidase 4
Matrix Metalloproteinase 3
Matrix Metalloproteinase 2
Inbred F344 Rats
Nitroglycerin
Protease Inhibitors
Cell Communication
Smooth Muscle
Actins
Intercellular Signaling Peptides and Proteins
Tumor Necrosis Factor-alpha

ASJC Scopus subject areas

  • Hepatology

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Hepatocyte transplantation activates hepatic stellate cells with beneficial modulation of cell engraftment in the rat. / Benten, Daniel; Kumaran, Vinay; Joseph, Brigid; Schattenberg, Jörn; Popov, Yury; Schuppan, Detlef; Gupta, Sanjeev.

In: Hepatology, Vol. 42, No. 5, 11.2005, p. 1072-1081.

Research output: Contribution to journalArticle

Benten, D, Kumaran, V, Joseph, B, Schattenberg, J, Popov, Y, Schuppan, D & Gupta, S 2005, 'Hepatocyte transplantation activates hepatic stellate cells with beneficial modulation of cell engraftment in the rat', Hepatology, vol. 42, no. 5, pp. 1072-1081. https://doi.org/10.1002/hep.20889
Benten, Daniel ; Kumaran, Vinay ; Joseph, Brigid ; Schattenberg, Jörn ; Popov, Yury ; Schuppan, Detlef ; Gupta, Sanjeev. / Hepatocyte transplantation activates hepatic stellate cells with beneficial modulation of cell engraftment in the rat. In: Hepatology. 2005 ; Vol. 42, No. 5. pp. 1072-1081.
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