ArticleCancers2025
The Effect of Lurbinectedin as a Monotherapy and in Combination with Ionizing Radiation on Sarcoma Cell Lines.
Article in Cancers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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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7 authors.
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Abstract
BACKGROUND/
objectivesSoft tissue sarcomas are rare, heterogeneous tumors with limited therapeutic options and suboptimal outcomes in advanced stages. Lurbinectedin is a promising new antineoplastic alkylating agent. This study investigates its cytotoxic effects and its potential as a radiosensitizing agent on soft tissue sarcoma.
methodsFour soft tissue sarcoma cell lines were treated with lurbinectedin alone or in combination with ionizing radiation. Single-dose irradiation in a 4-day protocol was compared with prolonged treatment and an additional fractionated ionizing radiation scheme in a 6-day protocol. Cellular responses were analyzed by flow cytometry for apoptosis (Annexin V)/necrosis (7AAD) and cell cycle (Hoechst), clonogenic cell survival, and scratch assays for cell migration.
resultsIn the 4-day protocol, lurbinectedin induced G2/M arrest in all cell lines (
conclusionsLurbinectedin had strong effects on three of the selected cell lines by inducing G2/M arrest, promoting apoptosis/necrosis, and reducing clonogenic survival, suggesting that it may be a promising chemotherapeutic agent in soft tissue sarcoma treatment. The effect on the fourth cell line was limited, as well as the effect on cell migration. Single-dose irradiation occasionally interfered with the effects of Lurbinectedin, whereas adding fractionated irradiation caused an additional decrease in clonogenic survival, indicating that the combination of Lurbinectedin with fractionated ionizing radiation may have promising effects.
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