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Into the multiverse of gene edited NK cell-based therapeutic strategies

Benjamin H Goldenson1, Dan S Kaufman1

  • 1Department of Medicine, Division of Regenerative Medicine, University of California, San Diego, La Jolla, CA, USA.

Cell Stem Cell
|December 3, 2021
PubMed

Insights

Triple gene edited induced pluripotent stem cell-derived natural killer (NK) cells show enhanced anti-cancer activity. This triple gene editing approach improves NK cell effectiveness against leukemia and multiple myeloma.

Area of Science:

  • Immunotherapy
  • Cancer Biology
  • Stem Cell Therapy

Background:

  • Natural killer (NK) cells are crucial for innate immunity and cancer surveillance.
  • Gene editing holds promise for enhancing NK cell-based cancer therapies.
  • Leukemia and multiple myeloma remain significant challenges in oncology.

Purpose of the Study:

  • To investigate the anti-cancer potential of triple gene edited induced pluripotent stem cell (iPSC)-derived NK cells.
  • To evaluate the impact of specific genetic modifications on NK cell function.
  • To assess the efficacy of these engineered NK cells against hematological malignancies.

Main Methods:

  • Generation of NK cells from iPSCs.
  • Triple gene editing of iPSC-derived NK cells, including modification of CD16a and IL-15 receptor, and knockout of CD38.
  • In vitro and in vivo assessment of NK cell-mediated anti-cancer activity.

Main Results:

  • Triple gene edited NK cells exhibited enhanced cytotoxic activity.
  • The specific genetic modifications (modified CD16a, IL-15 receptor, CD38 knockout) improved NK cell persistence and function.
  • Demonstrated significant anti-leukemia and anti-multiple myeloma activity.

Conclusions:

  • Triple gene edited iPSC-derived NK cells represent a promising cellular immunotherapy strategy.
  • This approach significantly boosts NK cell-mediated anti-cancer effects.
  • Further development could lead to novel treatments for leukemia and multiple myeloma.

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