ArticlePloS one2017
Evaluation of connectivity map-discovered celastrol as a radiosensitizing agent in a murine lung carcinoma model: Feasibility study of diffusion-weighted magnetic resonance imaging.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.
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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
8 citing papers in PubMed, 1 synthesis or guideline pooled it, 13 citations in OpenAlex.
- Mechanisms of traditional Chinese medicine overcoming of radiotherapy resistance in breast cancer.Frontiers in oncology · 2024Pooled it
- Enhancement of radiation effects by Plantago major in MCF-7 human breast cancer: an animal study.Discover oncology · 2025Article
- An Inhaled Nanoemulsion Encapsulating a Herbal Drug for Non-Small Cell Lung Cancer (NSCLC) Treatment.Pharmaceutics · 2025Article
- Celastrol suppresses the growth of vestibular schwannoma in mice by promoting the degradation of β-catenin.Acta pharmacologica Sinica · 2022Article
- Potential Role of Natural Products to Combat Radiotherapy and Their Future Perspectives.Molecules (Basel, Switzerland) · 2021Review
- A novel ROCK inhibitor: off-target effects of metformin.Turkish journal of biology = Turk biyoloji dergisi · 2021Article
- Celastrol: A Review of Useful Strategies Overcoming its Limitation in Anticancer Application.Frontiers in pharmacology · 2020Review
- Nutraceutical Compounds as Sensitizers for Cancer Treatment in Radiation Therapy.International journal of molecular sciences · 2019Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study was designed to identify potential radiosensitizing (RS) agents for combined radio- and chemotherapy in a murine model of human lung carcinoma, and to evaluate the in vivo effect of the RS agents using diffusion-weighted magnetic resonance imaging (DW-MRI). Radioresistance-associated genes in A549 and H460 cells were isolated on the basis of their gene expression profiles. Celastrol was selected as a candidate RS by using connectivity mapping, and its efficacy in lung cancer radiotherapy was tested. Mice inoculated with A549 carcinoma cells were treated with single ionizing radiation (SIR), single celastrol (SC), or celastrol-combined ionizing radiation (CCIR). Changes in radiosensitization over time were assessed using DW-MRI before and at 3, 6, and 12 days after therapy initiation. The tumors were stained with hematoxylin and eosin at 6 and 12 days after therapy. The percentage change in the apparent diffusion coefficient (ADC) value in the CCIR group was significantly higher than that in the SC and SIR group on the 12th day (Mann-Whitney U-test, p = 0.05; Kruskal-Wallis test, p < 0.05). A significant correlation (Spearman's rho correlation coefficient of 0.713, p = 0.001) was observed between the mean percentage tumor necrotic area and the mean ADC values after therapy initiation. These results suggest that the novel radiosensitizing agent celastrol has therapeutic effects when combined with ionizing radiation (IR), thereby maximizing the therapeutic effect of radiation in non-small cell lung carcinoma. In addition, DW-MRI is a useful noninvasive tool to monitor the effects of RS agents by assessing cellularity changes and sequential therapeutic responses.
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