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. 2021 Aug 20;12:699746. doi: 10.3389/fimmu.2021.699746

Figure 4.

Figure 4

The PTEN important roles in the regulation of cell response to TRAIL. Downregulation of PTEN results in unregulated activation of the PI3K/Akt pathway, which in turn, leads to the tumor cell’s resistance to TRAIL. Nonetheless, PTEN up-regulating using therapeutic agents plus TRAIL may support TRAIL-induced apoptosis in TRAIL-resistant cells. TTRAIL, umor necrosis factor-related apoptosis-inducing ligand; PTEN, Phosphatase and tensin homolog; NF -kB, Nuclear actor-kappa B; mTOR, Mechanistic target of rapamycin; PI3K/AKT, Phosphatidylinositol 3-kinase; IKK, IkB kinase; FOXO, forkhead box transcription factors; Bad, Bcl2 associated agonist of cell death; RHEB, Ras homolog enriched in brain; S6K, S6 kinase; eIF4E, Eukaryotic translation initiation factor 4E.