did not reach statistical significanceP = 0.2531
Although MR-Egger showed a similar direction of effect, its result did not reach statistical significance ( P = 0.2531).
Although MR-Egger showed a similar direction of effect, its result did not reach statistical significance ( P = 0.2531).
Another external validation cohort ( GSE63061 ) also showed an increasing trend in the expression levels of these key genes in AD (Fig. 6 h).