Endoplasmic reticulum stress in skeletal muscle homeostasis and disease.

Endoplasmic reticulum stress in skeletal muscle homeostasis and disease.
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DOI:
10.1007/s11926-012-0247-5
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发表时间:
2012-06
影响因子:
5
通讯作者:
Nagaraju K
Nagaraju K
中科院分区:
医学2区
文献类型:
--
作者:
Rayavarapu S;Coley W;Nagaraju K

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我们对内质网(ER)应激通路在骨骼肌稳态和肌肉疾病进展中的作用的认识正在不断加深。本综述深入了解骨骼肌生理和病理紊乱期间的内质网应激机制。内质网应激在饮食改变和急性应激反应中的作用,包括其在自身免疫和遗传性肌肉疾病中的作用,已经被描述。最近的研究发现了患病骨骼肌中的内质网应激标记。骨骼肌中内质网与线粒体相互作用的新证据及其在慢性内质网应激期间激活炎症和细胞死亡途径(自噬、坏死和凋亡)的重要性已被讨论。因此,了解健康和患病骨骼肌生理和病理表型背后的内质网应激相关分子途径应该会为肌肉疾病带来新的治疗靶点。
Our appreciation of the role of endoplasmic reticulum(ER) stress pathways in both skeletal muscle homeostasis and the progression of muscle diseases is gaining momentum. This review provides insight into ER stress mechanisms during physiologic and pathological disturbances in skeletal muscle. The role of ER stress in the response to dietary alterations and acute stressors, including its role in autoimmune and genetic muscle disorders, has been described. Recent studies identifying ER stress markers in diseased skeletal muscle are noted. The emerging evidence for ER–mitochondrial interplay in skeletal muscle and its importance during chronic ER stress in activation of both inflammatory and cell death pathways (autophagy, necrosis, and apoptosis) have been discussed. Thus, understanding the ER stress–related molecular pathways underlying physiologic and pathological phenotypes in healthy and diseased skeletal muscle should lead to novel therapeutic targets for muscle disease.
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