NF-κBsignallingpathwaysinnucleuspulposuscellfunction andintervertebraldiscdegeneration Guang-ZhiZhang1,2,3 |Ming-QiangLiu1,2,3 |Hai-WeiChen1,2,3 | Zuo-LongWu1,2,3 |Yi-ChengGao1,2,3 |Zhan-JunMa1,2,3 |Xue-GangHe1,2,3 | Xue-WenKang1,2,3,4