OLR1 and neoplasm: Correspondingly, due to the expression of Hsp receptors such as CD91 (α2-macroglobulin receptor or the low-density lipoprotein–related protein) and lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1), HSP70 in APCs, the delivery of tumor antigen to APCs is improved through this approach (Nishikawa et al., 2008).