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Updated: Oct 3, 2025

Flow Cytometry-based Assay for the Monitoring of NK Cell Functions
Published on: October 30, 2016
Role of NK Cells in Tumor Progression
Iñigo Terrén1, Francisco Borrego2,3
1Immunopathology Group, Biocruces Bizkaia Health Research Institute, Barakaldo, Spain.
Abstract:
Natural Killer (NK) cells are effector lymphocytes with the ability to generate an antitumor response. NK cells encompass a diverse group of subsets with different properties and have the capacity to kill cancer cells by different means. However, tumor cells have developed several mechanisms to evade NK cell-mediated killing. In this chapter, we summarize some aspects of NK cell biology with the aim to understand the competence of these cells and explore some of the challenges that NK cells have to face in different malignancies. Moreover, we will review the current knowledge about the role of NK cells in tumor progression and describe their phenotype and effector functions in tumor tissues and peripheral blood from cancer patients. Finally, we will recapitulate several findings from different studies focused on determining the prognostic value of NK cells in distinct cancers.
Insights
Natural Killer (NK) cells are crucial for fighting tumors but cancer cells evade them. This chapter explores NK cell biology, challenges in malignancies, and their prognostic value in cancer.
Area of Science:
- Immunology
- Oncology
Background:
- Natural Killer (NK) cells are lymphocytes that mount an antitumor response.
- Tumor cells employ mechanisms to evade NK cell-mediated killing.
- NK cell subsets exhibit diverse properties and functions.
Purpose of the Study:
- To understand NK cell competence and challenges in malignancies.
- To review the role of NK cells in tumor progression.
- To determine the prognostic value of NK cells in distinct cancers.
Main Methods:
- Review of NK cell biology.
- Analysis of NK cell phenotype and effector functions in cancer patients.
- Synthesis of findings on prognostic value.
Main Results:
- NK cells possess antitumor capabilities but face evasion strategies.
- NK cell functions and phenotypes vary in tumor tissues and patient blood.
- Evidence suggests a prognostic role for NK cells in various cancers.
Conclusions:
- NK cells are vital in cancer immunity, despite tumor evasion tactics.
- Understanding NK cell behavior in malignancies is key for therapeutic strategies.
- NK cell presence and function correlate with patient prognosis in distinct cancers.
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