IL-12/15/18-induced cell death and mitochondrial dynamics of human NK cells

Natural killer (NK) cells are lymphocytes with potent antitumor functions and, consequently, several NK cell-based strategies have been developed for cancer immunotherapy. A remarkable therapeutic approach is the adoptive transfer of NK cells stimulated with IL-12, IL-15 and IL-18. This cytokine sti...

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Main Authors: Iñigo Terrén, Víctor Sandá, Ainhoa Amarilla-Irusta, Ainara Lopez-Pardo, Arrate Sevilla, Gabirel Astarloa-Pando, Laura Amo, Olatz Zenarruzabeitia, Luca Scorrano, Francisco Borrego
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-07-01
Series:Frontiers in Immunology
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Online Access:https://www.frontiersin.org/articles/10.3389/fimmu.2023.1211839/full
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author Iñigo Terrén
Víctor Sandá
Ainhoa Amarilla-Irusta
Ainara Lopez-Pardo
Arrate Sevilla
Arrate Sevilla
Gabirel Astarloa-Pando
Laura Amo
Laura Amo
Olatz Zenarruzabeitia
Luca Scorrano
Luca Scorrano
Francisco Borrego
Francisco Borrego
author_facet Iñigo Terrén
Víctor Sandá
Ainhoa Amarilla-Irusta
Ainara Lopez-Pardo
Arrate Sevilla
Arrate Sevilla
Gabirel Astarloa-Pando
Laura Amo
Laura Amo
Olatz Zenarruzabeitia
Luca Scorrano
Luca Scorrano
Francisco Borrego
Francisco Borrego
author_sort Iñigo Terrén
collection DOAJ
description Natural killer (NK) cells are lymphocytes with potent antitumor functions and, consequently, several NK cell-based strategies have been developed for cancer immunotherapy. A remarkable therapeutic approach is the adoptive transfer of NK cells stimulated with IL-12, IL-15 and IL-18. This cytokine stimulation endows NK cells with properties that resemble immunological memory and, for this reason, they are known as cytokine-induced memory-like (CIML) NK cells. Very promising results have been reported in clinical trials and yet, there are still unknown aspects of CIML NK cells. Here, we have conducted a preliminary study of their mitochondrial dynamics. Our results show that upon IL-12/15/18 stimulation the viability of NK cells decreased and an increment in mitochondrial superoxide levels was observed. In addition, we found that mitochondria appeared slightly elongated and their cristae density decreased following IL-12/15/18 stimulation, possibly in a process mediated by the low levels of optic atrophy type 1 (OPA1) protein. Interestingly, although mitophagy was slightly impaired, an increase in autophagic flux was observed, which might explain the reduced viability and the accumulation of unfit mitochondria. Our findings could be of relevance in order to design new strategies intended to improve the mitochondrial fitness of IL-12/15/18-stimulated NK cells with the aim of improving their therapeutic efficacy.
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spelling doaj.art-971f7eb9bf9e468b91639e0aee2513812023-07-27T15:07:38ZengFrontiers Media S.A.Frontiers in Immunology1664-32242023-07-011410.3389/fimmu.2023.12118391211839IL-12/15/18-induced cell death and mitochondrial dynamics of human NK cellsIñigo Terrén0Víctor Sandá1Ainhoa Amarilla-Irusta2Ainara Lopez-Pardo3Arrate Sevilla4Arrate Sevilla5Gabirel Astarloa-Pando6Laura Amo7Laura Amo8Olatz Zenarruzabeitia9Luca Scorrano10Luca Scorrano11Francisco Borrego12Francisco Borrego13Immunopathology Group, Biocruces Bizkaia Health Research Institute, Barakaldo, SpainImmunopathology Group, Biocruces Bizkaia Health Research Institute, Barakaldo, SpainImmunopathology Group, Biocruces Bizkaia Health Research Institute, Barakaldo, SpainImmunopathology Group, Biocruces Bizkaia Health Research Institute, Barakaldo, SpainImmunopathology Group, Biocruces Bizkaia Health Research Institute, Barakaldo, SpainDepartment of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country, Leioa, SpainImmunopathology Group, Biocruces Bizkaia Health Research Institute, Barakaldo, SpainImmunopathology Group, Biocruces Bizkaia Health Research Institute, Barakaldo, SpainIkerbasque, Basque Foundation for Science, Bilbao, SpainImmunopathology Group, Biocruces Bizkaia Health Research Institute, Barakaldo, SpainDepartment of Biology, University of Padova, Padova, ItalyVeneto Institute of Molecular Medicine, Padova, ItalyImmunopathology Group, Biocruces Bizkaia Health Research Institute, Barakaldo, SpainIkerbasque, Basque Foundation for Science, Bilbao, SpainNatural killer (NK) cells are lymphocytes with potent antitumor functions and, consequently, several NK cell-based strategies have been developed for cancer immunotherapy. A remarkable therapeutic approach is the adoptive transfer of NK cells stimulated with IL-12, IL-15 and IL-18. This cytokine stimulation endows NK cells with properties that resemble immunological memory and, for this reason, they are known as cytokine-induced memory-like (CIML) NK cells. Very promising results have been reported in clinical trials and yet, there are still unknown aspects of CIML NK cells. Here, we have conducted a preliminary study of their mitochondrial dynamics. Our results show that upon IL-12/15/18 stimulation the viability of NK cells decreased and an increment in mitochondrial superoxide levels was observed. In addition, we found that mitochondria appeared slightly elongated and their cristae density decreased following IL-12/15/18 stimulation, possibly in a process mediated by the low levels of optic atrophy type 1 (OPA1) protein. Interestingly, although mitophagy was slightly impaired, an increase in autophagic flux was observed, which might explain the reduced viability and the accumulation of unfit mitochondria. Our findings could be of relevance in order to design new strategies intended to improve the mitochondrial fitness of IL-12/15/18-stimulated NK cells with the aim of improving their therapeutic efficacy.https://www.frontiersin.org/articles/10.3389/fimmu.2023.1211839/fullNK cellsmitochondriacytokine-preactivated NK cellsmemory-likecancer immunotherapyIL-12
spellingShingle Iñigo Terrén
Víctor Sandá
Ainhoa Amarilla-Irusta
Ainara Lopez-Pardo
Arrate Sevilla
Arrate Sevilla
Gabirel Astarloa-Pando
Laura Amo
Laura Amo
Olatz Zenarruzabeitia
Luca Scorrano
Luca Scorrano
Francisco Borrego
Francisco Borrego
IL-12/15/18-induced cell death and mitochondrial dynamics of human NK cells
Frontiers in Immunology
NK cells
mitochondria
cytokine-preactivated NK cells
memory-like
cancer immunotherapy
IL-12
title IL-12/15/18-induced cell death and mitochondrial dynamics of human NK cells
title_full IL-12/15/18-induced cell death and mitochondrial dynamics of human NK cells
title_fullStr IL-12/15/18-induced cell death and mitochondrial dynamics of human NK cells
title_full_unstemmed IL-12/15/18-induced cell death and mitochondrial dynamics of human NK cells
title_short IL-12/15/18-induced cell death and mitochondrial dynamics of human NK cells
title_sort il 12 15 18 induced cell death and mitochondrial dynamics of human nk cells
topic NK cells
mitochondria
cytokine-preactivated NK cells
memory-like
cancer immunotherapy
IL-12
url https://www.frontiersin.org/articles/10.3389/fimmu.2023.1211839/full
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