NFKB1 and Parkinson disease: We searched PubMed, Web of Science Core Collection, Embase (Ovid), and the Cochrane Library from inception through August 1, 2025 with prespecified concept blocks (“Parkinson’s disease,” “oxidative stress,” Nrf2/ARE, NF-κB, PI3K/Akt, autophagy, and MFH terms).