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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
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在CRPC治疗中以多功能纳米颗粒为目标的AURKA.

Bin Deng1,2, Binghu Ke1, Qixing Tian1

  • 1Department of Urology, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), Wuhu, Anhui, China.

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概括

这项研究引入了结合光热疗法,化疗和免疫疗法的新型纳米粒子,用于治疗抵抗割的前列腺癌 (CRPC). 该治疗有效地抑制瘤生长,并在临床前模型中增强抗瘤免疫反应.

关键词:
极光-A激酶 (AURKA) 是一种化抵抗性前列腺癌 (CRPC) 是一种癌症.化疗 化疗是一种化学疗法.免疫治疗是一种免疫疗法.纳米颗粒 纳米颗粒光热疗法是一种光热疗法.

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科学领域:

  • 在瘤学瘤学.
  • 纳米技术纳米技术
  • 免疫治疗是一种免疫疗法.

背景情况:

  • 抗割前列腺癌 (CRPC) 是一种具有挑战性的恶性瘤,治疗选择有限.
  • 紫外线-A激酶 (AURKA) 在前列腺癌 (PCa) 中过度表达,并与不良结果有关.
  • CRPC通常与抑制的免疫微环境有关.

研究的目的:

  • 研究T细胞膜封装纳米粒子 (CM-AMS@AD) 作为CRPC的三重组合疗法 (光热疗法,化疗,免疫疗法) 的疗效.
  • 在体外和体内评估CM-AMS@ADNP的抗瘤作用和免疫调节.

主要方法:

  • 对TCGA-PRAD和GEO数据集的生物信息学分析,以确定CRPC中的AURKA过度表达和免疫细胞减少.
  • 合成和特征的T细胞膜-生物仿真纳米颗粒装载有阿利塞蒂布 (AURKA抑制剂) 和DTX (化疗药物).
  • 在体外测试评估细胞增殖,细胞循环和细胞亡;在体内研究评估瘤生长,细胞亡和免疫细胞概况.

主要成果:

  • CM-AMS@AD NPs表现出良好的稳定性和均性 (平均直径为158纳米).
  • 在体外,NP抑制了CRPC细胞增殖,在G2/M阶段阻止细胞,并诱导了亡.
  • 在体内,NP在瘤中积累,显著抑制瘤生长,促进细胞灭绝,增强树突细胞成熟,改善CD8+/CD4+T细胞比率.

结论:

  • 通过整合光热疗法,化疗和免疫疗法,CM-AMS@AD NPs代表了CRPC治疗的有希望的策略.
  • 这种新的纳米粒子配方显示出在治疗晚期前列腺癌的临床转化方面具有显著的潜力.