IL6 and neoplasm: Herein, we found that TENs-activated MSCs expressed higher levels of IL-6, MMP9, TGF-β, and VEGF, which have been previously shown to be associated with the pro-tumor functions of MSCs (McAndrews et al., 2015; Scherzad et al., 2015; Ridge et al., 2017; Timaner et al., 2020).