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Natural killer cells--toward clinical application.

A Schattner, D B Duggan

American Journal of Hematology

|April 1, 1985

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Natural killer (NK) cells, a type of lymphocyte, identify and destroy tumor or virus-infected cells without prior sensitization. Research is advancing understanding of their immune surveillance and immunoregulation roles, with potential clinical applications.

Area of Science:

Immunology
Cell Biology

Background:

Natural killer (NK) cells are lymphocytes crucial for innate immunity.
Their lineage remains uncertain, but they target tumor and virus-infected cells without MHC restriction.

Purpose of the Study:

To summarize recent advancements in understanding NK cell function.
To highlight their roles in immune surveillance and immunoregulation.
To explore potential clinical applications of NK cell manipulation.

Main Methods:

Identification and purification of NK cells based on large granular lymphocyte (LGL) morphology.
Functional studies at the single-cell level.
Cloning of mouse and human NK cell lines.

Main Results:

Related Experiment Videos

NK cells rapidly lyse diverse target cells without prior sensitization or MHC recognition.
NK cells are activated by and produce interferon (IFN).
In vivo data supports their role in immune surveillance and immunoregulation.

Conclusions:

NK cells play a significant role in immune surveillance and immunoregulation.
Future therapies may involve expanding and activating patient NK cells or using cloned NK cell lines.