ArticleJournal of cancer research and clinical oncology2023
Hyperbaric oxygen enhanced the chemotherapy of mitochondrial targeting molecule IR-780 in bladder cancer.
Article in Journal of cancer research and clinical oncology, 2023. 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, 11 citations in OpenAlex.
- Recent advances in targeting cyanine dyes: hierarchical targeting mechanisms and theranostic integration for multi-disease precision therapy.Theranostics · 2026Review
- Mitochondrial complex I in focus: mechanisms and therapeutic strategies of urinary system diseases.Frontiers in physiology · 2026Review
- Biomineralize Mitochondria in Metal-Organic Frameworks to Promote Mitochondria Transplantation From Non-Tumorigenic Cells Into Cancer Cells.Smart medicine · 2025Article
- Synergistic effect of mesoporous silica nanocarrier-assisted photodynamic therapy and anticancer agent activity on lung cancer cells.Lasers in medical science · 2024Article
- Investigating Effects of IR-780 in Animal Models of B16-F10 Melanoma: New Approach in Lung Metastasis.Molecules (Basel, Switzerland) · 2023Article
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundBladder cancer has a high rate of recurrence and drug resistance due to the lack of effective therapies. IR-780 iodide, a near-infrared (NIR) mitochondria-targeting fluorescent agent, has been demonstrated to achieve higher selectivity than other drugs in different tumor types and exhibited tumor-killing effects in some cancers. However, this therapeutic strategy is rarely studied in bladder cancer. MATERIAL AND
methodsThe accumulation of IR-780 in bladder cancer was measured by NIR imaging. Human bladder cell lines (T24, 5637, and TCCSUP) were treated with IR-780 or combined IR-780 and hyperbaric oxygen (HBO). Cell viability, cell apoptosis, cellular ATP production, mitochondrial reactive oxygen species (ROS), and plasma membrane potential were detected. Mitochondrial complex I protein NDUFS1 was measured by western blot. To confirm the anti-tumor efficacy of IR-780 + HBO, mouse bladder cell line (MB49) tumor-bearing mice were established and tumor size and weight were recorded. Besides, cell apoptosis and tumor size were assessed in drug-resistant bladder cancer cells (T24/DDP) and xenografts to evaluate the effect of IR-780 + HBO on drug-resistant bladder cancer.
resultsIR-780 selectively accumulated in bladder cancer (bladder cancer cells, transplanted tumors, and bladder cancer tissue from patients) and could induce cancer cell apoptosis by targeting the mitochondrial complex I protein NDUFS1. The combination with HBO could significantly enhance the anti-tumor effect of IR-780 in vitro by promoting cancer cell uptake and inducing excessive mitochondrial ROS production, while suppressing tumor growth and recurrence in animal models without causing apparent toxicity. Moreover, this combination antitumor strategy was also demonstrated in drug-resistant bladder cancer cells (T24/DDP) and xenografts.
conclusionWe identified for the first time a combination of IR-780 and HBO (IR-780 + HBO), which exhibits mitochondria-targeting and therapeutic capabilities, as a novel treatment paradigm for bladder cancer.
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