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<p>This study aimed to prepare mitoxantrone thermosensitive liposome (MTX-TSL) to enhance the targeting capability of liposomes and thus improve the therapeutic effect of the drug on prostate cancer. MTX-TSL were prepared using the thin-film hydration method. A single-factor experiment was conducted to optimize the formulation process, and the liposome quality was assessed alongside short-term stability testing. The in vitro efficacy of MTX-TSL was evaluated using RM-1 prostate cancer cell inhibition assays. In vivo experiments were conducted on BDF1 mice inoculated with RM-1 cells to assess the tissue distribution and anticancer activity of MTX-TSL. Quality assessments of MTX-TSL revealed a pH of 6.53 ± 0.02, osmotic pressure of 309 ± 3 mOsmol/Kg, particle size of 100.10 ± 1.50&#xa0;nm, and encapsulation efficiency of 98.41% ± 0.23%. Stability tests showed no major quality changes for liposome suspensions stored at 2–8&#xa0;°C for 2 months. In vitro release studies showed that MTX-TSL exhibited good thermosensitive properties. Experiments performed on BDF1 mice indicated that initiating hyperthermia before drug administration was beneficial for drug accumulation in tumor tissue and that MTX-TSL outperformed free drugs in suppressing tumor growth when combined with appropriate hyperthermia. MTX-TSL can effectively inhibit tumor growth while increasing the drug’s therapeutic index.</p>

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Effects of the mitoxantrone thermosensitive liposome nanodelivery system on prostate cancer in vivo and in vitro

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年5月7日

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  • Yuan Gao,
  • Tianjiao Wen,
  • Bin Shan,
  • Meng Meng,
  • Jing Bai,
  • Wei Tian,
  • Congxin Li

摘要

This study aimed to prepare mitoxantrone thermosensitive liposome (MTX-TSL) to enhance the targeting capability of liposomes and thus improve the therapeutic effect of the drug on prostate cancer. MTX-TSL were prepared using the thin-film hydration method. A single-factor experiment was conducted to optimize the formulation process, and the liposome quality was assessed alongside short-term stability testing. The in vitro efficacy of MTX-TSL was evaluated using RM-1 prostate cancer cell inhibition assays. In vivo experiments were conducted on BDF1 mice inoculated with RM-1 cells to assess the tissue distribution and anticancer activity of MTX-TSL. Quality assessments of MTX-TSL revealed a pH of 6.53 ± 0.02, osmotic pressure of 309 ± 3 mOsmol/Kg, particle size of 100.10 ± 1.50 nm, and encapsulation efficiency of 98.41% ± 0.23%. Stability tests showed no major quality changes for liposome suspensions stored at 2–8 °C for 2 months. In vitro release studies showed that MTX-TSL exhibited good thermosensitive properties. Experiments performed on BDF1 mice indicated that initiating hyperthermia before drug administration was beneficial for drug accumulation in tumor tissue and that MTX-TSL outperformed free drugs in suppressing tumor growth when combined with appropriate hyperthermia. MTX-TSL can effectively inhibit tumor growth while increasing the drug’s therapeutic index.