MicroRNAs involved in bone formation.

MicroRNAs involved in bone formation.
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DOI:
10.1007/s00018-014-1700-6
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发表时间:
2014-12
影响因子:
8
通讯作者:
Kobayashi, Tatsuya
Kobayashi, Tatsuya
中科院分区:
生物学1区
文献类型:
--
作者:
Papaioannou, Garyfallia;Mirzamohammadi, Fatemeh;Kobayashi, Tatsuya

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在骨骼发育过程中,间充质祖细胞经历了一个多阶段的分化过程,在这个过程中它们增殖并成为骨和软骨形成细胞。这一过程受到多个级别的监管制度的严格监管。小的非编码RNAs,microRNAs(MiRNAs),转录后调节基因表达。最近的研究表明,miRNAs在骨形成的各个阶段都发挥着重要的作用,这表明miRNAs有可能成为骨骼疾病的新治疗靶点。在这里,我们对miRNAs在骨形成中的作用和作用机制进行综述。我们讨论了特定的miRNAs在主要类型的骨细胞、成骨细胞、软骨细胞、破骨细胞及其前体细胞中的作用。除了少数,目前关于miRNAs在骨形成中的知识主要是通过体外研究获得的;这些发现在体内的进一步验证还有待进一步验证。我们还讨论了几个特别感兴趣的miRNAs,以期在未来的骨病治疗中发挥作用。
During skeletal development, mesenchymal progenitor cells undergo a multistage differentiation process in which they proliferate and become bone- and cartilage-forming cells. This process is tightly regulated by multiple levels of regulatory systems. The small non-coding RNAs, microRNAs (miRNAs), post-transcriptionally regulate gene expression. Recent studies have demonstrated that miRNAs play significant roles in all stages of bone formation, suggesting the possibility that miRNAs can be novel therapeutic targets for skeletal diseases. Here, we review the role and mechanism of action of miRNAs in bone formation. We discuss roles of specific miRNAs in major types of bone cells, osteoblasts, chondrocytes, osteoclasts, and their progenitors. Except a few, the current knowledge about miRNAs in bone formation has been obtained mainly by in vitro studies; further validation of these findings in vivo is awaited. We also discuss about several miRNAs of particular interest in the light of future therapies of bone diseases.
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