Cytokine-responsive gene-2/IFN-inducible protein-10 expression in multiple models of liver and bile duct injury suggests a role in tissue regeneration

Leonidas Koniaris, Teresa Zimmers, E. C. Hsiao, K. Chavin, J. V. Sitzmann, J. M. Farber

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

IFN-inducible protein-10 (IP-10/CXCL10) is a CXC chemokine that targets both T cells and NK cells. Elevation of IP-1O expression has been demonstrated in a number of human diseases, including chronic cirrhosis and biliary atresia. Cytokine-responsive gene-2 (Crg-2), the murine ortholog of IP-10, was induced following CCl4 treatment of the hepatocyte-like cell line AML-12. Crg-2 expression was noted in vivo in multiple models of hepatic and bile duct injury, including bile duct ligation and CCl4, D-galactosamine, and methylene dianiline toxic liver injuries. Induction of Crg-2 was also examined following two-thirds hepatectomy, a model that minimally injures the remaining liver, but that requires a large hepatic regenerative response. Crg-2 was induced in a biphasic fashion after two-thirds hepatectomy, preceding each known peak of hepatocyte DNA synthesis. Induction of Crg-2 was also observed in the kidney, gut, thymus, and spleen within 1 h of two-thirds hepatectomy. Characteristic of an immediate early gene, pretreatment of mice with the protein synthesis inhibitor cycloheximide before either two-thirds hepatectomy or CCl4 injection led to Crg-2 superinduction, rIP-10 was demonstrated to have hepatocyte growth factor-inducing activity in vitro, but alone had no direct mitogenic effect on hepatocytes. Our data demonstrate that induction of Crg-2 occurs in several distinct models of liver injury and regeneration, and suggest a role for CRG-2/IP-10 in these processes.

Original languageEnglish (US)
Pages (from-to)399-406
Number of pages8
JournalJournal of Immunology
Volume167
Issue number1
StatePublished - Jul 1 2001
Externally publishedYes

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Bile Ducts
Regeneration
Cytokines
Hepatectomy
Liver
Wounds and Injuries
Genes
Proteins
Hepatocytes
Common Hepatic Duct
Biliary Atresia
CXC Chemokines
Galactosamine
Liver Regeneration
Protein Synthesis Inhibitors
Immediate-Early Genes
Hepatocyte Growth Factor
Poisons
Cycloheximide
Natural Killer Cells

ASJC Scopus subject areas

  • Immunology

Cite this

Cytokine-responsive gene-2/IFN-inducible protein-10 expression in multiple models of liver and bile duct injury suggests a role in tissue regeneration. / Koniaris, Leonidas; Zimmers, Teresa; Hsiao, E. C.; Chavin, K.; Sitzmann, J. V.; Farber, J. M.

In: Journal of Immunology, Vol. 167, No. 1, 01.07.2001, p. 399-406.

Research output: Contribution to journalArticle

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