ArticleCell death and differentiation2023
Visualization of BOK pores independent of BAX and BAK reveals a similar mechanism with differing regulation.
Article in Cell death and differentiation, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 27 citations in OpenAlex.
- Disruption of MCL1/BOK transmembrane interaction as a novel strategy to induce cell death in tumours.Cell death & disease · 2026Article
- Salt bridge disruption in colicin Ib channel-forming domain enhances membrane translocation and bactericidal activity.Journal of structural biology: X · 2026Article
- What does BCL-2 do? From new molecular insights to the clinical implications.Cell death and differentiation · 2026Review
- Gastrodin alleviates high fructose-induced podocyte mitochondria-mediated apoptosis by inhibiting NLRP6 to facilitate TRIM7-triggeredInternational journal of biological sciences · 2026Article
- MiR-24 Attenuates Oxidative Stress and Mitochondrial Apoptosis in Ventilator-Induced Lung Injury by Targeting Bcl-2-related Ovarian Killer.Pulmonary circulation · 2025Article
- Multifunctional Mesoporous Titanium Dioxide Nanodrug for Corneal Haze Treatment and Its Mechanism.Biomaterials research · 2025Article
- Dynamic death decisions: How mitochondrial dynamics shape cellular commitment to apoptosis and ferroptosis.Developmental cell · 2024Review
- Mitochondria and cell death.Nature cell biology · 2024Review
- BCL-2 and BOK regulate apoptosis by interaction of their C-terminal transmembrane domains.EMBO reports · 2024Article
- The C-terminal sequences of Bcl-2 family proteins mediate interactions that regulate cell death.The Biochemical journal · 2024Review
- Mechanisms of BCL-2 family proteins in mitochondrial apoptosis.Nature reviews. Molecular cell biology · 2023Review
- Pore-forming proteins as drivers of membrane permeabilization in cell death pathways.Nature reviews. Molecular cell biology · 2023Review
- Apoptotic mitochondrial poration by a growing list of pore-forming BCL-2 family proteins.BioEssays : news and reviews in molecular, cellular and developmental biology · 2023Article
- Structure-destabilizing mutations unleash an intrinsic perforation activity of antiapoptotic Bcl-2 in the mitochondrial membrane enabling apoptotic cell death.Mitochondrial communications · 2023Article
- Bok: real killer or bystander with non-apoptotic roles?Frontiers in cell and developmental biology · 2023Review
- Endogenous Bok is stable at the endoplasmic reticulum membrane and does not mediate proteasome inhibitor-induced apoptosis.Frontiers in cell and developmental biology · 2022Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BOK is a poorly understood member of the BCL-2 family of proteins that has been proposed to function as a pro-apoptotic, BAX-like effector. However, the molecular mechanism and structural properties of BOK pores remain enigmatic. Here, we show that the thermal stability and pore activity of BOK depends on the presence of its C-terminus as well as on the mitochondrial lipid cardiolipin. We directly visualized BOK pores in liposomes by electron microscopy, which appeared similar to those induced by BAX, in line with comparable oligomerization properties quantified by single molecule imaging. In addition, super-resolution STED imaging revealed that BOK organized into dots and ring-shaped assemblies in apoptotic mitochondria, also reminiscent of those found for BAX and BAK. Yet, unlike BAX and BAK, the apoptotic activity of BOK was limited by partial mitochondrial localization and was independent of and unaffected by other BCL-2 proteins. These results suggest that, while BOK activity is kept in check by subcellular localization instead of interaction with BCL-2 family members, the resulting pores are structurally similar to those of BAX and BAK.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.