AKT1 and AL amyloidosis: There is an interesting nonlinear relationship between HRAS and AKT1 as a function of S\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\beta _2$$\end{document}β2M. Prior work indicates that RAS may activate the AKT pathway in multiple myeloma (Hu et al.