Bid antisense attenuates bile acid-induced apoptosis and cholestatic liver injury

Hajime Higuchi, Hideyuki Miyoshi, Steven F. Bronk, Hong Zhang, Nicholas Dean, Gregory J. Gores

Research output: Contribution to journalArticlepeer-review

55 Scopus citations


Bile acids cause liver injury during cholestasis by inducing hepatocyte apoptosis by both Fas-dependent and -independent mechanisms. However, the Fas-independent apoptosis also appears to be death receptor-mediated. Because death receptor-mediated apoptosis in hepatocytes requires proapoptotic Bcl-2 BH3 domain only protein Bid, we postulated that Fas-independent but death receptor-mediated bile acid cytotoxicity would be Bid-dependent. We used Fas-deficient lymphoproliferative (Ipr) mouse hepatocytes for these studies, and inhibited Bid expression using an antisense approach. Glychochenodeoxycholate (GCDC) was used to induce apoptosis. Bid cleavage and translocation to mitochondria was observed in GCDC-treated cells as assessed by immunoblot analysis and confocal imaging of Bid-green fluorescent protein, respectively. Bid translocation to mitochondria was associated with cytochrome c release. A Bid antisense 2′-MOE modified oligonucleotide inhibited Bid expression in hepatocytes and markedly attenuated hepatocytes apoptosis by GCDC. Treatment of lpr mice with Bid antisense also ameliorated liver injury following bile duct ligation of the mice, a model of extrahepatic cholestasis. These results suggest that bile acid cytotoxicity is Biddependent despite the absence of Fas. Bid antisense therapy is a promising approach for the treatment of cholestatic liver injury.

Original languageEnglish (US)
Pages (from-to)866-873
Number of pages8
JournalJournal of Pharmacology and Experimental Therapeutics
Issue number3
StatePublished - 2001

ASJC Scopus subject areas

  • Molecular Medicine
  • Pharmacology


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