circ_TIMP2 promoted TNF_alpha_ and IL_1beta_induced NP cell imbalance between ECM anabolism and catabolism via miR_185_5p_MMP2 signaling.
Circular RNA derived from TIMP2 functions as a competitive endogenous RNA and regulates intervertebral disc degeneration by targeting miR_185_5p and matrix metalloproteinase 2.