Neutrophil gelatinase-associated lipocalin (NGAL) (Alvarez et al., 2013), polycystin-1 (PC1) (Hogan et al., 2015), transmembrane protein 2 (TMEM2) (Hogan et al., 2015), and WT-1 (Wilms’ tumor-1) (Zhou H. et al., 2013) are some exosomal biomarkers that can be applied for the diagnosis of renal diseases. The gene discussed is PKD1; the disease is kidney disorder.