BCL-2 family member BOK promotes apoptosis in response to endoplasmic reticulum stress
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Significance: The role of B-cell lymphoma-2 (BCL-2) ovarian killer (BOK) in apoptosis regulation has been a long-standing enigma. Despite the homology to BAX and BAK, BOK has yet to be linked to a definitive physiologic function in the classical apoptotic pathway. Here, we report a selective role for BOK in promoting mitochondrial apoptosis in response to endoplasmic reticulum stress.
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BOK contributes to the regulation of ER homeostasis, as demonstrated by its prominent localization at the ER membrane and the defective apoptotic response of Bok−/− cells to some ER stressors.
“As for BOK, it has been proposed that this BCL2 protein contributes to the regulation of ER homeostasis, as demonstrated by its prominent localization at the ER membrane [149] and the defective apoptotic response of Bok−/− cells to some ER stressors [150].”
From Molecular mechanisms of cell death: recommendations of the nomenclature committee on cell death 2018. (2018) · cites this paper as [150]
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- Authors
- Carpio, M. A., Michaud, M., Zhou, W., Fisher, J. K., Walensky, L. D., & Katz, S. G.
- Affiliations
- Yale University (US)
- Harvard University (US)
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 2015-05-26
- Volume
- 112
- Issue
- 23
- Pages
- 7201-7206
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- PMC
- PMC4466744
- OpenAlex
- W1809311761
- Cited by
- 127
- References
- 25
- Citations by year
- 2026: 3 · 2025: 8 · 2024: 11 · 2023: 7 · 2022: 5 · 2021: 14 · 2020: 9 · 2019: 15 · 2018: 17 · 2017: 19 · 2016: 17 · 2015: 1
- FWCI
- 7.81
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Proceedings of the National Academy of Sciences (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- HHS | NIH | National Heart, Lung, and Blood Institute (5K08HL103847)
- HHS | NIH | National Cancer Institute (5R01CA050239)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Endoplasmic Reticulum Stress and Disease
- Life Sciences › Neuroscience › Sensory Systems › Ion Channels and Receptors
- Keywords
- BOK, Bcl-2 family proteins, endoplasmic reticulum stress, apoptosis, Bax, Bak, unfolded protein response, CHOP, ATF4, thapsigargin, mitochondrial apoptosis, functional compensation
- MeSH terms
- Animals, Cells, Cultured, Endoplasmic Reticulum, Enzyme Activation, Apoptosis, Annexin A5, Mice, Knockout, Oxidative Stress, Proto-Oncogene Proteins c-bcl-2, Mice, Activating Transcription Factor 4, Transcription Factor CHOP, Caspase 3, Caspase 7
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