Novel method of murine embryonic stem cell-derived osteoclast development.

Novel method of murine embryonic stem cell-derived osteoclast development.
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DOI:
10.1089/scd.2008.0193
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发表时间:
2009-01
影响因子:
4
通讯作者:
Chan RJ
Chan RJ
中科院分区:
医学3区
文献类型:
--
作者:
Goodman ML;Chen S;Yang FC;Chan RJ

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小鼠胚胎干细胞是一种自我更新的多能细胞,具有向外胚层、内胚层和中胚层组织分化的能力。胚干(ES)细胞在悬浮培养中生长成球形胚样体(EBs),可用于研究各种组织类型发育和功能中的特定基因产物。破骨细胞是造血干细胞衍生的细胞,通过分泌可降解骨细胞外基质的吸收分子(如盐酸和酸性蛋白酶)参与骨更新。异常的破骨细胞功能导致发育不良、侵蚀性和硬化性骨病。先前的研究报道了从mES细胞中衍生出的破骨细胞;然而,大多数这些方案需要与基质细胞系共培养。我们描述了两种简化的、新颖的不依赖于基质细胞的ES细胞衍生的破骨细胞发育方法。
Murine embryonic stem (mES) cells are self-renewing pluripotent cells that bear the capacity to differentiate into ectoderm-, endoderm-, and mesoderm-derived tissues. In suspension culture, embryonic stem (ES) cells grow into spherical embryoid bodies (EBs) and are useful for the study of specific gene products in the development and function of various tissue types. Osteoclasts are hematopoietic stem cell-derived cells that participate in bone turnover by secreting resorptive molecules such as hydrochloric acid and acidic proteases, which degrade the bone extracellular matrix. Aberrant osteoclast function leads to dysplastic, erosive, and sclerosing bone diseases. Previous studies have reported the derivation of osteoclasts from mES cells; however, most of these protocols require coculture with stromal cell lines. We describe two simplified, novel methods of stromal cell-independent ES cell-derived osteoclast development.
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