1. Bray F, Ferlay J, Soerjomataram I, Siegel RL, Torre LA, Jemal AJ. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA: Cancer J Clin. 2018;68:394–424.
2. Wang J, Lei K, Han F. Tumor microenvironment: recent advances in various cancer treatments. Eur Rev Med Pharm Sci. 2018;22:3855–64.
3. Schirrmacher V. From chemotherapy to biological therapy: a review of novel concepts to reduce the side effects of systemic cancer treatment. Int J Oncol. 2019;54:407–19.
4. Hardee CL, Arévalo-Soliz LM, Hornstein BD, Zechiedrich L. Advances in non-viral DNA vectors for gene therapy. Genes 2017;8:65.
5. Marofi F, Vahedi G, Biglari A, Esmaeilzadeh A, Athari SS. Mesenchymal stromal/stem cells: a new era in the cell-based targeted gene therapy of cancer. Front Immunol. 2017;8:1770.