ArticleInternational journal of molecular sciences2026
Immunotoxin WPD101a as a Potential Drug Candidate for Targeted Therapy in Muscle Invasive Bladder Cancer Expressing IL-13Rα2-In Vitro Study.
Article in International journal of molecular sciences, 2026. 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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Abstract
The failure of therapy in muscle invasive bladder cancer (MIBC) is primarily attributed to tumor heterogeneity and therapy resistance. We propose a novel approach targeting interleukin-13 receptor subunit alpha 2 (IL-13Rα2), which is expressed on bladder cancer (BC) cells but absent in normal urothelial cells. We investigated the therapeutic effects of WPD101a immunotoxin (IL-13-DT390) on IL-13Rα2-expressing BC cells in relation to BC cell phenotype and functional characteristics in vitro using both 2-dimensional (2D) and 3-dimensional (3D) models. Cell phenotype and IL-13Rα2 expression were assessed using flow cytometry, immunofluorescence, and Western blot analysis. The biological effects of WPD101a were evaluated by measuring cell viability and proliferation using the MTT, sulforhodamine B (SRB), CellTiter-Glo and Live/Dead assays. Apoptosis was assessed using Annexin V/propidium iodide (PI) staining, and quantitative reverse transcription polymerase chain reaction (qRT-PCR) analysis of
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