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Determining Endosomal Toll-Like Receptors Gene Expression in NK Cells After Stimulation with Specific Agonists

Claudia Alicata1, Irene Veneziani2, Biancamaria Ricci2

  • 1Tumor Immunology Unit, IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy. claudia.alicata@opbg.net.

Methods in Molecular Biology (Clifton, N.J.)
|August 21, 2023
PubMed

Insights

Natural killer (NK) cells can be activated by Toll-like receptors (TLRs) to release cytokines, enhancing innate and adaptive immunity. This study provides a protocol for stimulating NK cells via endosomal TLRs agonists for research.

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Limited understanding of Toll-like receptors (TLRs) in natural killer (NK) cells hinders therapeutic development.
  • NK cells, previously thought to require presensitization, are now known to be activated by microbial TLR engagement.
  • This activation prompts NK cells to release cytokines, crucial for modulating innate and adaptive immune responses.

Purpose of the Study:

  • To present a protocol for efficient NK cell stimulation using endosomal TLRs agonists.
  • To establish a method for determining endosomal TLRs gene expression levels in NK cells.
  • To facilitate in vitro investigations of endosomal TLRs function in NK cells.

Main Methods:

  • Stimulation of NK cells with specific endosomal TLRs agonists.
  • Quantification of endosomal TLRs gene expression.
  • In vitro culture of NK cells under various experimental conditions.

Main Results:

  • The protocol enables efficient stimulation of NK cells via endosomal TLRs.
  • Gene expression levels of endosomal TLRs can be accurately determined.
  • The method allows for detailed study of endosomal TLRs function in NK cells.

Conclusions:

  • The developed protocol is effective for studying endosomal TLRs in NK cells.
  • This research contributes to understanding NK cell activation and potential immunotherapy strategies.
  • The findings support the use of TLRs agonists in cancer immunotherapy research.
Keywords:
NK cellsTLRs agonistsTLRs gene expressionTLRs triggeringToll-like receptors

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