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首页> 外文期刊>Journal of Fish Biology >A comparison of the structure, composition and mechanical properties of anosteocytic vertebrae of medaka (O. latipes) and osteocytic vertebrae of zebrafish (D. rerio)
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A comparison of the structure, composition and mechanical properties of anosteocytic vertebrae of medaka (O. latipes) and osteocytic vertebrae of zebrafish (D. rerio)

机译：斑马法（O. Lipipes）和斑马鱼骨细胞椎体的结构，组成和力学性能的比较（D. Rerio）

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摘要

Medaka (O. latipes) and zebrafish (D. rerio) are two teleost fish increasingly used as models to study human skeletal diseases. Although they are similar in size, swimming pattern and many other characteristics, these two species are very distant from an evolutionary point of view (by at least 100 million years). A prominent difference between the skeletons of medaka and zebrafish is the total absence of osteocytes in medaka (anosteocytic), while zebrafish bone contains numerous osteocytes (osteocytic). This fundamental difference suggests the possibility that the bony elements of their skeleton may be different in a variety of other aspects, structural, mechanical or both, particularly in heavily loaded bones like the vertebrae. Here we report on the results of a comparative study that aimed to determine the similarities and differences in medaka and zebrafish vertebrae in terms of their macro- to nanostructure, composition and mechanical properties. Our results reveal many similarities between medaka and zebrafish vertebrae, making the lack or presence of osteocytes the only major difference between the bones of these two species.
机译：Medaka（O.latipes）和斑马鱼（D.rerio）是两种硬骨鱼类，越来越多地被用作研究人类骨骼疾病的模型。尽管这两个物种在体型、游泳模式和许多其他特征上相似，但从进化角度来看，它们相距甚远（至少1亿年）。medaka和斑马鱼骨骼之间的一个显著区别是medaka中完全没有骨细胞（无骨细胞），而斑马鱼骨骼中含有大量骨细胞（骨细胞）。这一根本性的差异表明，它们骨骼中的骨骼成分可能在结构、机械或两者兼而有之的各种其他方面有所不同，尤其是在脊椎等负重的骨骼中。在这里，我们报告了一项比较研究的结果，该研究旨在确定medaka和斑马鱼脊椎在宏观到纳米结构、成分和机械性能方面的相似性和差异。我们的结果揭示了medaka和斑马鱼椎骨之间的许多相似之处，使得骨细胞的缺乏或存在是这两个物种骨骼之间唯一的主要区别。

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