ArticleOncology letters2022
Preferential radiosensitization to glioblastoma cancer stem cell-like cells by a Hsp90 inhibitor, N-vinylpyrrolidone-AUY922.
Article in Oncology letters, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed, 8 citations in OpenAlex.
- Overcoming cancer drug resistance through small-molecule targeting of HSP90 and HSP70.Cancer drug resistance (Alhambra, Calif.) · 2025Review
- Enhancing glioblastoma therapy: unveiling synergistic anticancer effects of Onalespib - radiotherapy combination therapy.Frontiers in oncology · 2025Article
- Natural Products Targeting Hsp90 for a Concurrent Strategy in Glioblastoma and Neurodegeneration.Metabolites · 2022Review
- Targeting Heat Shock Proteins in Malignant Brain Tumors: From Basic Research to Clinical Trials.Cancers · 2022Review
- Small Molecules and Immunotherapy Agents for Enhancing Radiotherapy in Glioblastoma.Biomedicines · 2022Review
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The present study examined the radiosensitization induced by a heat shock protein 90 inhibitor, N-vinylpyrrolidone (NVP)-AUY922, in CD133-positive cells in a hypoxic area of T98G spheroids. CD133-positive cells that are induced in the hypoxic microenvironment of spheroids have previously been reported to exhibit cancer stem cell-like properties. The present study used CD133-positive cells from a glioblastoma cell line (T98G) as cancer stem cell-like cells. CD133-positive and negative cells were sorted from T98G spheroids using fluorescence-activated cell sorting and used for colony formation assay. Colony formation assay results indicated that NVP-AUY922 enhanced radiosensitivity more strongly in CD133-positive cells compared with CD133-negative cells. This result showed that NVP-AUY922 was a preferential radiosensitization candidate targeting glioblastoma cancer stem cells. The mechanisms underlying radiosensitization by NVP-AUY922 are discussed in relation to the properties of cancer stem cells. Overall, HIF-1α inhibition by NVP-AUY922 may induce higher sensitization of cancer stem cells to radiation.
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Registered trials
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