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ABBS: TNF-α in intervertebral disc degeneration

已有 1407 次阅读 2018-9-10 09:20 |个人分类:期刊新闻|系统分类:论文交流| TNFalpha, review

Tumor necrosis factor-α: a key contributor to intervertebral disc degeneration

Cheng Wang, Xiaohua Yu, Yiguo Yan, Wei Yang, Shujun Zhang, Yongxiao Xiang, Jian Zhang and Wenjun Wang

Department of Spine Surgery, The First Affiliated Hospital, University of South China, Hengyang 421001, China

Acta Biochim Biophys Sin 2017, 49: 1–13; doi: 10.1093/abbs/gmw112

Intervertebral disc (IVD) degeneration (IDD) is the most common cause leading to low back pain (LBP), which is a highly prevalent, costly, and crippling condition worldwide. Current treatments for IDD are limited to treat the symptoms and do not target the pathophysiology. Tumor necrosis factor-α (TNF-α) is one of the most potent pro-inflammatory cytokines and signals through its receptors TNFR1 and TNFR2. TNF-α is highly expressed in degenerative IVD tissues, and it is deeply involved in multiple pathological processes of disc degeneration, including matrix destruction, inflammatory responses, apoptosis, autophagy, and cell proliferation. Importantly, anti-TNF-α therapy has shown promise for mitigating disc degeneration and relieving LBP. In this review, following a brief description of TNF-α signal transduction, we mainly focus on the expression pattern and roles of TNF-α in IDD, and summarize the emerging progress regarding its inhibition as a promising biological therapeutic approach to disc degeneration and associated LBP. A better understanding will help to develop novel TNF-α–centered therapeutic interventions for degenerative disc disease.

49-1-3.gif

A schematic presentation of TNF-α signaling pathways

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