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논문 기본 정보

자료유형
학술저널
저자정보
Ding Sheng-Long (Zhongshan Hospital Fudan University) Zhang Tai-Wei (Zhongshan Hospital Fudan University) Zhang Qi-Chen (Zhongshan Hospital Fudan University) Ding Wang (Minhang Hospital Fudan University) Li Ze-Fang (Qianjiang central hospital of Chongqing) Han Guan-Jie (Zhongshan hospital Fudan university) Bai Jin-Song (Zhongshan hospital Fudan university) Li Xi-Lei (Zhongshan hospital Fudan university) Dong Jian (Zhongshan hospital Fudan university) Wang Hui-Ren (Zhongshan Hospital Fudan University) Jiang Li-Bo (Zhongshan Hospital Fudan University)
저널정보
대한생화학·분자생물학회 Experimental and Molecular Medicine Experimental and Molecular Medicine 제53권
발행연도
2021.12
수록면
1 - 13 (13page)
DOI
10.1038/s12276-021-00716-6

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Night shift workers with disordered rhythmic mechanical loading are more prone to intervertebral disc degeneration (IDD). Our results showed that circadian rhythm (CR) was dampened in degenerated and aged NP cells. Long-term environmental CR disruption promoted IDD in rats. Excessive mechanical strain disrupted the CR and inhibited the expression of core clock proteins. The inhibitory effect of mechanical loading on the expression of extracellular matrix genes could be reversed by BMAL1 overexpression in NP cells. The Rho/ROCK pathway was demonstrated to mediate the effect of mechanical stimulation on CR. Prolonged mechanical loading for 12 months affected intrinsic CR genes and induced IDD in a model of upright posture in a normal environment. Unexpectedly, mechanical loading further accelerated the IDD in an Light-Dark (LD) cycle-disrupted environment. These results indicated that intrinsic CR disruption might be a mechanism involved in overloading-induced IDD and a potential drug target for night shift workers.

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