“…A number of commonly prescribed anti-cholesterol lipid lowering medications have also produced beneficial effects on disc cell metabolism of application in the treatment of DDD. Simvastin [28,41,42], ortovastatin, and lovastatin [41,42,43,44,45] display protective effects on the IVD. A flavonoid isolated from grapefruit (naringin) and component of the traditional Chinese herb Rhizoma drynariae (Gusuibu) [46] has potent anti-inflammatory and anti-oxidant properties [47] which upregulates NP cell proliferation and down-regulates tumour necrosis factor (TNF)-α activity but elevates BMP-2, aggrecan and type II collagen protein production and also upregulates ACAN and SOX6 and decreases MMP3 gene expression [48].…”