HIF1A and psoriasis: In analogy to psoriasis [38], we found also significantly elevated serum levels of HIF-1\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\mathrm{a}$$\end{document}a in our HS patients compared to healthy controls.