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00925njm 22002777a 4500 dc Pérez-Romero, Karim author Rodriguez, Ramon M author Amedei, Amedeo author Barcelo-Coblijn, Gwendolyn author Lopez, Daniel H author 2020-08 Integration of the tumor microenvironment as a fundamental part of the tumorigenic process has undoubtedly revolutionized our understanding of cancer biology. Increasing evidence indicates that neoplastic cells establish a dependency relationship with normal resident cells in the affected tissue and, furthermore, develop the ability to recruit new accessory cells that aid tumor development. In addition to normal stromal and tumor cells, this tumor ecosystem includes an infiltrated immune component that establishes complex interactions that have a critical effect during the natural history of the tumor. The process by which immune cells modulate tumor progression is known as immunoediting, a dynamic process that creates a selective pressure that finally leads to the generation of immune-resistant cells and the inability of the immune system to eradicate the tumor. In this context, the cellular and functional characterization of the immune compartment within the tumor microenvironment will help to understand tumor progression and, ultimately, will serve to create novel prognostic tools and improve patient stratification for cancer treatment. Here we review the impact of the immune system on tumor development, focusing particularly on its clinical implications and the current technologies used to analyze immune cell diversity within the tumor. Pérez Romero K, Rodriguez RM, Amedei A, Barceló-Coblijn G, Lopez DH. Immune Landscape in Tumor Microenvironment: Implications for Biomarker Development and Immunotherapy. Int J Mol Sci. 2020 Aug;21(15):5521. 10.3390/ijms21155521 1422-0067 International Journal of Molecular Sciences http://hdl.handle.net/20.500.13003/9953 32752264 L2004837291 2-s2.0-85088963519 https://hdl.handle.net/20.500.12105/22985 559093400001 Tumor microenvironment Immune response Immunomodulation Immune Landscape in Tumor Microenvironment: Implications for Biomarker Development and Immunotherapy