Hepatocyte Transplantation Improves Survival in Mice with Liver Toxicity Induced by Hepatic Overexpression of Mad1 Transcription Factor

S. Gagandeep, Rana Sokhi, Sanjeev Slehria, Giridhar R. Gorla, Joseph Furgiuele, Ronald A. Depinho, Sanjeev Gupta

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

Hepatic overexpression of Mad1 with an adenoviral vector, AdMad, induced liver toxicity in immunodeficient mice. Transduction of cultured hepatocytes with AdMad inhibited cellular DNA synthesis and cell cycling, along with increased lactate dehydrogenase release, indicating cytotoxicity. When dipeptidyl peptidase IV-deficient F344 rat hepatocytes were transplanted into the liver of immunodeficient mice after treatment with AdMad, significant portions of the liver were repopulated. This was in agreement with corresponding losses of host hepatocytes, which showed increased apoptosis rates. Mortality in mice following AdMad treatment decreased significantly when animals were subjected to hepatocyte transplantation. The findings indicated that Mad1 overexpression perturbed hepatocyte survival. Investigation of pathophysiological mechanisms concerning specific cell cycle regulators in acute liver toxicity will thus be appropriate. Cell therapy has potential for treating acute liver injury under suitable circumstances.

Original languageEnglish (US)
Pages (from-to)358-365
Number of pages8
JournalMolecular Therapy
Volume1
Issue number4
DOIs
StatePublished - Apr 1 2000

Keywords

  • Acute liver failure
  • Cell cycle
  • Dipeptidyl peptidase IV
  • Hepatocyte transplantation
  • Liver
  • Mad
  • Mouse

ASJC Scopus subject areas

  • Molecular Medicine
  • Molecular Biology
  • Genetics
  • Pharmacology
  • Drug Discovery

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