Specifically, knockdown of Stmn2 upregulated nine PD GWAS genes (GPNMB, SREBF1, STAB1, LHFPL2, PRRG4, CTSB, FNDC3B, PPFIBP1, and COL5A2), and downregulated one PD GWAS gene (SYT4) at the mRNA level. This evidence concerns the gene LHFPL2 and Parkinson disease.