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DOI: 10.3791/66071-v
Vincent Law1,2, Inna Smalley3, Brittany R. Evernden2, Margaret Baldwin4, Keiran S. M. Smalley1, Peter A. Forsyth1,2
1Department of Tumor Biology,University of South Florida, H. Lee Moffitt Cancer Center & Research Institute, 2Department of Neuro-Oncology,University of South Florida, H. Lee Moffitt Cancer Center & Research Institute, 3Department of Cancer Physiology,University of South Florida, H. Lee Moffitt Cancer Center & Research Institute, 4Department of Comparative Medicine,University of South Florida, H. Lee Moffitt Cancer Center & Research Institute
Please note that some of the translations on this page are AI generated. Click here for the English version.
本文描述了一种从黑色素瘤相关软脑膜病 (M-LMD) 患者收集的脑脊髓液循环肿瘤细胞 (CSF-CTC) 的增殖方案,以开发研究 M-LMD 的临床前模型。
黑色素瘤或 MLMD 引起的软脑膜疾病是一种侵袭性脑膜转移形式,其中循环肿瘤细胞或 CTC 浸润到脑脊髓液中。遗憾的是,MLMD 没有有效的治疗方法,因此了解其生物学将有助于开发降低死亡率的疗法。最近的报告显示了 CTC 如何在营养瘢痕 CSF 环境中定植,例如利用铁清除能力来提高它们的存活率,并补充 C3 以促进通过脉络丛侵入脑脊髓液。
因此,CTC 是研究 MLMD 的非常好的工具。研究 CSF CTC 的最大挑战是总体上缺乏临床前模型和这些细胞的稀缺性。寻找从患者身上培养这些稀有和脆弱细胞的方法并生成异种移植模型将极大地有利于研究人员了解 MLMD 病理学和设计合理的疗法。
我们开发了一种在体外和体内成功繁殖 MLMD 患者的 CSF CTC 的方法,这使我们能够对 MLMD 细胞进行分子和功能分析,以及在异种移植模型中进行疗效研究。虽然目前的方法并不完美,但能够首次从黑色素瘤患者中培养和扩增 CSF CTC,让我们深入了解了解 CSF 微环境的重要性。
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