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. 2021 Oct 11;9:753931. doi: 10.3389/fcell.2021.753931

FIGURE 1.

FIGURE 1

Example of altered lncRNA expression patterns and their biological effects in intervertebral disk degeneration. lncRNA, long non-coding RNA; ECM, extracellular matrix; MMP, matrix metallopeptidase; MAPK, mitogen-activated protein kinase; SMAD3, SMAD family member 3; LEF1, lymphoid enhancing factor-1; CCND1, cyclin D1; ADAMTS4, A disintegrin and metalloproteinase with thrombospondin motifs 4; TRAF6, tumor necrosis factor receptor-associated factor 6; Notch1, Notch Receptor 1; Bcl-2, B cell lymphoma 2; ATG5, autophagy-related gene 5.