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Updated: Jun 21, 2026

Measurement of Natural Killer Cell-Mediated Cytotoxicity and Migration in the Context of Hepatic Tumor Cells
Published on: February 22, 2020
Oncogenic stress sensed by the immune system: role of natural killer cell receptors
1Department of Molecular and Cell Biology, Cancer Research Laboratory, 485 Life Science Addition, University of California, Berkeley, California 94720, USA. raulet@berkeley.edu
Abstract:
A growing body of research is addressing how pathways that are dysregulated during tumorigenesis are linked to innate immune responses, which can contribute to immune surveillance of cancer. Components of the innate immune system that are localized in tissues are thought to eliminate early neoplastic cells, thereby preventing or delaying the establishment of advanced tumours. This Review addresses our current understanding of the mechanisms that detect cellular stresses that are associated with tumorigenesis and that culminate in the recognition and, in some cases, the elimination of the tumour cells by natural killer cells and other lymphocytes that express natural killer cell receptors.
Insights
This review explores how innate immune responses, particularly natural killer cells, detect and eliminate early cancer cells. Understanding these mechanisms is key to cancer immune surveillance and preventing tumor development.
Area of Science:
- Immunology
- Oncology
- Cellular Biology
Background:
- Tumorigenesis involves dysregulated pathways that interact with the innate immune system.
- Innate immunity in tissues may eliminate early neoplastic cells, preventing tumor progression.
- Natural killer (NK) cells and other lymphocytes expressing NK cell receptors play a role in cancer surveillance.
Purpose of the Study:
- To review the mechanisms by which cellular stresses during tumorigenesis are detected.
- To summarize how these stresses lead to tumor cell recognition and elimination by innate immune cells.
- To highlight the role of NK cells and related lymphocytes in early cancer detection and removal.
Main Methods:
- Review of current scientific literature on tumorigenesis and innate immunity.
- Analysis of mechanisms for detecting stress signals in neoplastic cells.
- Examination of immune cell recognition and effector functions against tumor cells.
Main Results:
- Dysregulated tumorigenesis pathways activate innate immune surveillance mechanisms.
- Cellular stress associated with cancer triggers recognition by NK cells and other lymphocytes.
- Immune cells can eliminate early neoplastic cells, impacting tumor initiation and progression.
Conclusions:
- Innate immune responses are crucial for early cancer detection and elimination.
- NK cell-mediated recognition and killing of stressed tumor cells are key to immune surveillance.
- Further understanding of these pathways can inform cancer prevention and therapy strategies.
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