ArticleMolecular and cellular biochemistry2017
UMI-77 primes glioma cells for TRAIL-induced apoptosis by unsequestering Bim and Bak from Mcl-1.
Article in Molecular and cellular biochemistry, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
- Immune cell infiltration and drug response in glioblastoma multiforme: insights from oxidative stress-related genes.Cancer cell international · 2024Article
- Study on the Mechanism of UMI-77 in the Treatment of Sepsis-Induced Acute Lung Injury Based on Transcriptomics and Metabolomics.Journal of inflammation research · 2024Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Malignant glioma is the most common and aggressive form of brain tumor with poor prognosis of survival. Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a promising anticancer agent but is insufficient of inducing apoptosis in some types of gliomas. In this study, we showed that the small-molecule Mcl-1 inhibitor UMI-77 sensitized glioma cells to TRAIL treatment, as evidenced by cell viability assay, Annexin V staining and JC-1 staining. Combination of UMI-77 and TRAIL in glioma cells led to the activation of caspase-8 and Bid, cleavage of caspase-3 and poly-ADP ribose polymerase (PARP), accumulation of tBid in the mitochondria and release of cytochrome c into the cytosol. UMI-77 alone or in combination with TRAIL untethered pro-apoptotic Bcl-2 proteins Bim and Bak from the sequestration of Mcl-1 and promoted the conformational activation of Bak. Small hairpin RNA (shRNA) of Bid attenuated the cleavage of caspase-8, Bid, caspase-3 and PARP, and reduced the cytotoxicity of UMI-77 plus TRAIL as compared with control shRNA cells, indicating this synergy entails the crosstalk between extrinsic and intrinsic apoptotic signaling. Taken together, UMI-77 enhances TRAIL-induced apoptosis by unsequestering Bim and Bak, which provides a novel therapeutic strategy for the treatment of gliomas.
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