Cited by 113Cell death mechanisms and regulationCancer-related Molecular PathwaysAutophagy in Disease and Therapy

BCL-2 family member BOK is widely expressed but its loss has only minimal impact in mice

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Ke, F, Voss, A, Kerr, J B, O'Reilly, L A, Tai, L, Echeverry, N, Bouillet, P, Strasser, A +1 more·2012·Cell Death & Differentiation

Abstract

BOK/MTD was discovered as a protein that binds to the anti-apoptotic Bcl-2 family member MCL-1 and shares extensive amino-acid sequence similarity to BAX and BAK, which are essential for the effector phase of apoptosis. Therefore, and on the basis of its reported expression pattern, BOK is thought to function in a BAX/BAK-like pro-apoptotic manner in female reproductive tissues. In order to determine the function of BOK, we examined its expression in diverse tissues and investigated the consequences of its loss in Bok(-/-) mice. We confirmed that Bok mRNA is prominently expressed in the ovaries and uterus, but also observed that it is present at readily detectable levels in several other tissues such as the brain and myeloid cells. Bok(-/-) mice were produced at the expected Mendelian ratio, appeared outwardly normal and proved fertile. Histological examination revealed that major organs in Bok(-/-) mice displayed no morphological aberrations. Although several human cancers have somatically acquired copy number loss of the Bok gene and BOK is expressed in B lymphoid cells, we found that its deficiency did not accelerate lymphoma development in Eμ-Myc transgenic mice. Collectively, these results indicate that Bok may have a role that largely overlaps with that of other members of the Bcl-2 family, or may have a function restricted to specific stress stimuli and/or tissues.

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Crossref · 10.1038/cdd.2011.210

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  • Bok−/−, Bax−/−Bok−/− as well as Bak1−/−Bok−/− mice display no obvious abnormalities (except for persistence of primordial follicle oocytes in aged Bax−/−Bok−/− females).

    “Of note, Bok−/−, Bax−/−Bok−/− as well as Bak1−/−Bok−/− mice display no obvious abnormalities (except for persistence of primordial follicle oocytes in aged Bax−/−Bok−/− females) [154, 155]”

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  1. Hotchkiss RS, Strasser A, McDunn JE, Swanson PE. Cell death. N Engl J Med 2009; 361: 1570-1583.

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Authors
Ke, F., Voss, A., Kerr, J. B., O'Reilly, L. A., Tai, L., Echeverry, N., Bouillet, P., Strasser, A., & Kaufmann, T.
Affiliations
  • Walter and Eliza Hall Institute of Medical Research (AU)
  • The University of Melbourne (AU)
  • Monash University (AU)
  • University of Bern (CH)
Corresponding author
Strasser, A
Venue
Cell Death & Differentiation
Published
2012-01-27
Volume
19
Issue
6
Pages
915-925
ISSN
  • 1350-9047 (ISSN-L)
  • 1476-5403
OpenAlex
W2013268562
Cited by
113
References
34
Citations by year
2026: 4 · 2025: 2 · 2024: 1 · 2023: 6 · 2022: 11 · 2021: 6 · 2020: 9 · 2019: 7 · 2018: 7 · 2017: 19 · 2016: 17 · 2015: 7 · 2014: 6 · 2013: 10 · 2012: 1
FWCI
3.08
Type
journal article
Language
en
Update notices
erratum (2012-12-10)
Open access
Locations
  • Cell Death and Differentiation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Bern Open Repository and Information System (University of Bern) (submittedVersion)
Funders
  • National Science Foundation
  • Leukemia and Lymphoma Society
  • Leukemia Research Foundation
  • Australian Government
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (119203)
  • National Institutes of Health
  • Stanford Institute for Research in the Social Sciences
  • Medical Research Council (461221)
  • National Health and Medical Research Council (461221)
  • National Cancer Institute (R01CA043540, CA 43540)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
BOK, Bcl-2 family proteins, apoptosis, Bax/Bak, Mcl-1, tissue expression, female reproductive tissues, ovarian development, uterus, fertility, lymphoma, Eμ-myc transgenic mice, B cells, stress-induced cell death
MeSH terms
Animals, Female, Mice, Inbred C57BL, Mice, Transgenic, Ovary, RNA, Messenger, Uterus, T-Lymphocyte Subsets, Proto-Oncogene Proteins c-myc, Apoptosis, Mice, Knockout, Proto-Oncogene Proteins c-bcl-2, Myeloid Cells, Mice

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