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Updated: May 6, 2026

Models of Bone Metastasis

Models of Bone Metastasis

Published on: September 4, 2012

一个人性化的骨转移模型:ex vivo和in vivo应用

Ceri-Anne E Suurmond¹, Natasja W M van Dijk², René van Rheden²

¹Dentistry - Regenerative Biomaterials, Radboudumc, Nijmegen, the Netherlands.

Tissue engineering. Part C, Methods

|February 28, 2026

概括

使用人类骨和癌细胞开发了一种新的人性化骨转移模型. 这种模型对测试新的骨转移疗法充满希望,尽管需要进一步改进.

科学领域:

在瘤学瘤学.
生物医学工程生物医学工程
翻译医学是一种翻译医学.

背景情况:

乳腺癌和前列腺癌的骨转移导致骨并发症.
由于缺乏可靠的临床前模型,开发有效的治疗方法受到阻碍.

研究的目的:

使用人类骨和癌细胞创建一个人性化的骨转移模型.
评估模型对研究骨转移和测试治疗方法的有用性.

主要方法:

人类骨盘和转移性癌细胞被结合,形成骨转移盘.
这些磁盘被活体培养或通过皮下植入裸体小鼠.
生物发光追踪癌细胞活动,组织学评估骨变化.

主要成果:

活体培养物显示代谢活性细胞,但没有病变形成.
皮下植入导致骨解性转移性病变在体内在3-6周内.
西斯普拉丁降低了癌细胞信号ex vivo但不是in vivo.

结论:

建立了一个概念验证人性化的ex vivo/in vivo骨转移模型.
该模型需要进一步优化强度和量化.
这个模型有可能用于评估新的骨转移疗法.

关键词:

骨转移的发生.在ex vivo器官培养过程中,人性化的模型和化疗.在活体中,活体中

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Bone Remodeling

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.