CDK2 and Parkinson disease: Among these 109 interactors, 9 were selected by the LASSO regression model differentiating the LRRK2-PD and sPD cohorts including: CDK2, RAB5B, ACTA2, TUBB6, LRRK2, HSPA1A, LMNB1, SNCA, and SLC25A6.