Vertebrate segmentation: from cyclic gene networks to scoliosis.
Vertebrate segmentation: from cyclic gene networks to scoliosis.
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DOI:
10.1016/j.cell.2011.05.011
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发表时间:
2011-05-27
期刊:
影响因子:
64.5
通讯作者:
Pourquié O
中科院分区:
文献类型:
--
作者:
Pourquié O
The body axis of vertebrates is composed of a serial repetition of similar anatomical modules, termed segments or metameres. This particular mode of organization is especially conspicuous at the level of the periodic arrangement of vertebrae in the spine. The segmental pattern is established during embryogenesis when the somites, the embryonic segments of vertebrates, are rhythmically produced from the paraxial mesoderm. This process involves the segmentation clock, a traveling oscillator that interacts with a maturation wave called the wavefront to produce the periodic series of somites. Recent studies have shed light on several aspects of the segmentation mechanism and provide a conceptual framework to explain human spine malformations, such as congenital scoliosis.
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