FN1 and chronic kidney disease: Still, the impact of pure RGD, whose peptide is specially synthesized, has been proven as a comparative anti-fibrosis control in preventing kidney damage in CKD in the previous study, reducing levels of fibronectin and TGF-β 1 in research on the effects of green peas protein hydrolysate using bromelain in SV40 cells of kidney MES 13 cells induced by high glucose (16).