In total, only 4 biomarkers were statistically elevated in the PD group versus controls and included DJ1 (p < 0.0053), LSAMP (p < 0.0136), apolipoprotein H (p < 0.0484) and osteopontin (p < 0.02,) (Fig. 6). The gene discussed is LSAMP; the disease is Parkinson disease.