Cited by 1,004Cell death mechanisms and regulationMitochondrial Function and PathologyCancer-related Molecular Pathways

Bid-deficient mice are resistant to Fas-induced hepatocellular apoptosis

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Yin, Xiao-Ming, Wang, Kun, Gross, Atan, Zhao, Yongge, Zinkel, Sandra, Klocke, Barbara, Roth, Kevin A., Korsmeyer, Stanley J.·1999·Nature

Abstract

The protein Bid is a participant in the pathway that leads to cell death (apoptosis), mediating the release of cytochrome c from mitochondria in response to signals from 'death' receptors known as TNFR1/Fas on the cell surface. It is a member of the proapoptotic Bcd-2 family and is activated as a result of its cleavage by caspase 8, one of a family of proteolytic cell-death proteins. To investigate the role of Bid in vivo, we have generated mice deficient for Bid. We find that when these mice are injected with an antibody directed against Fas, they nearly all survive, whereas wild-type mice die from hepatocellular apoptosis and haemorrhagic necrosis. About half of the Bid-deficient animals had no apparent liver injury and showed no evidence of activation of the effector caspases 3 and 7, although the initiator caspase 8 had been activated. Other Bid-deficient mice survived with only moderate damage: all three caspases (8 and 37) were activated but their cell nuclei were intact and no mitochondrial cytochrome c was released. We also investigated the effects of Bid deficiency in cultured cells treated with anti-Fas antibody (hepatocytes and thymocytes) or with TNFalpha. (fibroblasts). In these Bid-/- cells, mitochondrial dysfunction was delayed, cytochrome c was not released, effector caspase activity was reduced and the cleavage of apoptosis substrates was altered. This loss-of-function model indicates that Bid is a critical substrate in vivo for signalling by death-receptor agonists, which mediates a mitochondrial amplification loop that is essential for the apoptosis of selected cells.

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Authors
Yin, X.-M., Wang, K., Gross, A., Zhao, Y., Zinkel, S., Klocke, B., Roth, K. A., & Korsmeyer, S. J.
Affiliations
  • Howard Hughes Medical Institute (US)
  • University of Pittsburgh (US)
  • Harvard University (US)
Corresponding author
Korsmeyer, Stanley J.
Venue
Nature
Published
1999-08
Volume
400
Issue
6747
Pages
886-891
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1593219141
Cited by
1,004
References
30
Citations by year
2026: 5 · 2025: 10 · 2024: 9 · 2023: 17 · 2022: 9 · 2021: 12 · 2020: 13 · 2019: 11 · 2018: 11 · 2017: 24 · 2016: 24 · 2015: 24 · 2014: 21 · 2013: 21 · 2012: 38
FWCI
27.61
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
National Cancer Institute (R01CA050239, R37CA050239)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
Keywords
Bid, Fas, hepatocyte apoptosis, death receptor signaling, caspase-8, caspase-3, caspase-7, cytochrome c release, mitochondrial apoptosis, TNF-α, Bcl-2 family proteins, hemorrhagic necrosis, hepatocytes, thymocytes, fibroblasts
MeSH terms
Animals, Carrier Proteins, Cells, Cultured, Cytochrome c Group, Enzyme Activation, Liver, Male, Membrane Potentials, Mice, Inbred C57BL, Mitochondria, Proto-Oncogene Proteins, Signal Transduction, Antigens, CD, Apoptosis, Receptors, Tumor Necrosis Factor, fas Receptor, Caspases, Receptors, Tumor Necrosis Factor, Type I, BH3 Interacting Domain Death Agonist Protein, Mice

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