We concluded that the HLA-DRB1*09:01-DQB1*03:03 haplotype was not associated with diabetes within our APOE\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$${\rm{\varepsilon }}$$\end{document}ε4-negative Japanese population. Here, HLA-DRB1 is linked to diabetes mellitus.