Exosomes collected from MM cells overexpressing membrane-bound Hsp70 stimulated maturation of DCs and upregulated the presence of several membrane molecules such as lad, CD40, and CD80, as well as the secretion of inflammatory cytokines such as IL-1β, IL-12, IFN-γ, and TNF-α [144]. Here, TNF is linked to Miyoshi myopathy.