GSK3B and type 2 diabetes mellitus: Although a strong trend of increase was shown for platelet rGSK‐3β(T/S9), the difference did not reach statistical significance between T2DM‐MCI and T2DM‐nMCI groups (GSK‐3β‐Total: p = 0.760; GSK‐3β: p = 0.237; rGSK‐3β: p = 0.122) (Figure 3a‐c).