ArticleCells2026
Sulforaphane Enhances Cytotoxic Effects of Non-Thermal Plasma and Tirapazamine Combination Therapy in Pancreatic Adenocarcinoma Cells.
Article in Cells, 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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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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11 authors.
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Abstract
Pancreatic adenocarcinoma remains a highly lethal malignancy with limited effective treatment options, largely due to late-stage detection and rapid progression to metastatic disease. Therapeutic strategies capable of targeting both pre-metastatic and metastatic tumors are critically needed. In this study, we evaluated a combination therapy consisting of non-thermal plasma (NTP), a generator of reactive oxygen and nitrogen species, and the hypoxia-activated prodrug tirapazamine (TPZ). We further investigated whether sulforaphane (SF), a bioactive phytochemical, could further enhance therapeutic efficacy. NTP and TPZ produced strong cytotoxic effects as single agents and demonstrated additive to synergistic activity when combined, reducing viability by 87% in pre-metastatic BxPC-3 cells and achieving near-complete elimination of metastatic AsPC-1 cells. The addition of sulforaphane (10 µM) further enhanced cytotoxicity across all treatment conditions, with Bliss independence analysis indicating additive to synergistic interactions depending on cell line and treatment combination. Sulforaphane-mediated enhancement occurred without restoration of connexin 43 expression or coordinated reversal of epithelial-to-mesenchymal transition markers, and treatments did not induce N-cadherin upregulation or suggest acquisition of invasive characteristics. Together, these findings support NTP + TPZ as a potent combinatorial strategy for pancreatic adenocarcinoma and identify sulforaphane as an effective adjunct that enhances cytotoxic efficacy through mechanisms that remain to be fully elucidated.
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