ArticleApoptosis : an international journal on programmed cell death2021
Fluorizoline-induced apoptosis requires prohibitins in nematodes and human cells.
Article in Apoptosis : an international journal on programmed cell death, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Targeting prohibitins activates the ISR through DELE1-HRI by impairing protein import into the mitochondrial matrix.Cell death and differentiation · 2026Article
- The function of prohibitins in mitochondria and the clinical potentials.Cancer cell international · 2022Review
- Prohibitins: A Key Link between Mitochondria and Nervous System Diseases.Oxidative medicine and cellular longevity · 2022Review
- Activation of the Integrated Stress Response and ER Stress Protect from Fluorizoline-Induced Apoptosis in HEK293T and U2OS Cell Lines.International journal of molecular sciences · 2021Article
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Authors and funding
14 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We previously showed that fluorizoline, a fluorinated thiazoline compound, binds to both subunits of the mitochondrial prohibitin (PHB) complex, PHB1 and PHB2, being the expression of these proteins required for fluorizoline-induced apoptosis in mouse embryonic fibroblasts. To investigate the conservation of this apoptotic mechanism, we studied the effect of PHB downregulation on fluorizoline activity on two human cell lines, HEK293T and U2OS. Then, we asked whether PHBs mediate the effect of fluorizoline in a multicellular organism. Interestingly, reduced levels of PHBs in the human cells impaired the induction of apoptosis by fluorizoline. We observed that fluorizoline has a detrimental dose-dependent effect on the development and survival of the nematode model Caenorhabditis elegans. Besides, such effects of fluorizoline treatment in living nematodes were absent in PHB mutants. Finally, we further explored the apoptotic pathway triggered by fluorizoline in human cell lines. We found that the BH3-only proteins NOXA, BIM and PUMA participate in fluorizoline-induced apoptosis and that the induction of NOXA and PUMA is dependent on PHB expression.
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