Fig. 1
From: Causal relationship between Parkinson’s disease and gastric cancer: a Mendelian randomization study
Summary of the protocol used in the present study. PD and gastric cancer were analyzed through two-sample MR. PD exhibited a negative causal effect on gastric cancer. P2X6 was identified as an important mediator of the effects of PD on gastric cancer. MR: Mendelian randomization; PD: Parkinson’s disease