Medium composition for culturing urine-derived stem cell, method for isolating and culturing urine-derived stem cell using same, urine-derived stem cell with improved therapeutic function for renal disease, and cell therapy product composition containing same

A culture medium for isolating and culturing urine-derived stem cells, wherein the culture medium comprises:

• a basic medium containing Dulbecco's Modified Eagle Medium (DMEM) and Ham's F-12, 5% or less fetal bovine serum, and parathyroid hormone (PTH), and further comprises at least one additive selected from the group consisting of fibroblast growth factor 23 (FGF23), triiodothyronine (T3), calcifediol, bovine serum albumin, and a lipid mixture (chemically defined lipids).