During muscle development, nuclei travel from the centre of the myofibre to the periphery, a process defective in certain diseases. A new study reveals that this movement is due to centripetal forces imposed on nuclei by the crosslinking and contraction of myofibrils.

中文翻译：

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肌原纤维使挤压在细胞核上。

在肌肉发育过程中，核从肌纤维的中心移动到周围，这在某些疾病中是有缺陷的。一项新的研究表明，这种运动是由于肌原纤维的交联和收缩作用在细胞核上的向心力引起的。