期刊
PHARMACEUTICS
卷 14, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/pharmaceutics14122761
关键词
auranofin; cancer mouse models; glioblastoma; non-small cell lung cancer; drug delivery; oral gavage; solvent; thioredoxin reductase
资金
- FWO
- Olivia Fund [11E7719 N, 1520819 N]
- [21OCL06]
This study evaluated the solvent and administration route of the thioredoxin reductase 1 (TrxR) inhibitor, auranofin (AF), in two mouse cancer models. The results showed that oral gavage was the optimal administration route for high doses of AF, and a solvent comprising 50% DMSO, 40% PEG300, and 10% ethanol improved AF's solubility in mice.
The antineoplastic activity of the thioredoxin reductase 1 (TrxR) inhibitor, auranofin (AF), has already been investigated in various cancer mouse models as a single drug, or in combination with other molecules. However, there are inconsistencies in the literature on the solvent, dose and administration route of AF treatment in vivo. Therefore, we investigated the solvent and administration route of AF in a syngeneic SB28 glioblastoma (GBM) C57BL/6J and a 344SQ non-small cell lung cancer 129S2/SvPasCrl (129) mouse model. Compared to daily intraperitoneal injections and subcutaneous delivery of AF via osmotic minipumps, oral gavage for 14 days was the most suitable administration route for high doses of AF (10-15 mg/kg) in both mouse models, showing no measurable weight loss or signs of toxicity. A solvent comprising 50% DMSO, 40% PEG300 and 10% ethanol improved the solubility of AF for oral administration in mice. In addition, we confirmed that AF was a potent TrxR inhibitor in SB28 GBM tumors at high doses. Taken together, our results and results in the literature indicate the therapeutic value of AF in several in vivo cancer models, and provide relevant information about AF's optimal administration route and solvent in two syngeneic cancer mouse models.
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