PINK1 and Alzheimer disease: We also found higher serum PINK1 levels in AD dementia compared to AD-MCI (3.12 \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\:\pm\:$$\end{document} 6.55 ng/mL) (p =.016) (Fig. 1B).