ArticleScientific reports2021
PB01 suppresses radio-resistance by regulating ATR signaling in human non-small-cell lung cancer cells.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- NAT10 promotes radiotherapy resistance in non-small cell lung cancer by regulating KPNB1-mediated PD-L1 nuclear translocation.Open life sciences · 2025Article
- The Association Between Radiation-Induced miR-208a, Cancer Recurrence and Death Risk in Patients with Non-Small Cell Lung Cancer.International journal of general medicine · 2025Article
- An initial characterisation of the Unfolded Protein Response pathway in haematopoietic canine cancer cell lines - a necessary step for the future development of new therapies in dogs with neoplasia.Journal of veterinary research · 2023Article
- Studying the DNA damage response pathway in hematopoietic canine cancer cell lines, a necessary step for finding targets to generate new therapies to treat cancer in dogs.Frontiers in veterinary science · 2023Article
- Mutation Analysis of Radioresistant Early-Stage Cervical Cancer.International journal of molecular sciences · 2021Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
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Abstract
Despite the common usage of radiotherapy for the treatment of human non-small-cell lung cancer (NSCLC), cancer therapeutic efficacy and outcome with ionizing radiation remains a challenge. Here, we report the antitumor effects and mechanism of a novel benzothiazole derivative PB01 (4-methoxy-cyclohexane carboxylic acid [2-(3,5-dimethyl-isoxazole-4-yl) sulpanil-benzothiazole-6-yl]-amide) in radiation-resistant human NSCLC cells. PB01 treatment is cytotoxic because it induces reactive oxygen species, ER stress, Bax, cytochrome c expression, the ATR-p53-GADD45ɑ axis, and cleavage of caspase-3 and -9. Additionally, we found that radio-resistant A549 and H460 subclones, named A549R and H460R, respectively, show enhanced epithelial-to-mesenchymal transition (EMT), whereas PB01 treatment inhibits EMT and mediates cell death through ER stress and the ATR axis under radiation exposure in radio-resistant A549R and H460R cells. Together, these results suggest that PB01 treatment can overcome radio-resistance during radiotherapy of NSCLC.
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