The Neutrophil: The Underdog That Packs a Punch in the Fight against Cancer

The advent of immunotherapy has had a major impact on the outcome and overall survival in many types of cancer. Current immunotherapeutic strategies typically aim to (re)activate anticancer T cell immunity, although the targeting of macrophage-mediated anticancer innate immunity has also emerged in...

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Main Authors: Natasha Ustyanovska Avtenyuk, Nienke Visser, Edwin Bremer, Valerie R. Wiersma
Format: Article
Language:English
Published: MDPI AG 2020-10-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/21/21/7820
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author Natasha Ustyanovska Avtenyuk
Nienke Visser
Edwin Bremer
Valerie R. Wiersma
author_facet Natasha Ustyanovska Avtenyuk
Nienke Visser
Edwin Bremer
Valerie R. Wiersma
author_sort Natasha Ustyanovska Avtenyuk
collection DOAJ
description The advent of immunotherapy has had a major impact on the outcome and overall survival in many types of cancer. Current immunotherapeutic strategies typically aim to (re)activate anticancer T cell immunity, although the targeting of macrophage-mediated anticancer innate immunity has also emerged in recent years. Neutrophils, although comprising ≈ 60% of all white blood cells in the circulation, are still largely overlooked in this respect. Nevertheless, neutrophils have evident anticancer activity and can induce phagocytosis, trogocytosis, as well as the direct cytotoxic elimination of cancer cells. Furthermore, therapeutic tumor-targeting monoclonal antibodies trigger anticancer immune responses through all innate Fc-receptor expressing cells, including neutrophils. Indeed, the depletion of neutrophils strongly reduced the efficacy of monoclonal antibody treatment and increased tumor progression in various preclinical studies. In addition, the infusion of neutrophils in murine cancer models reduced tumor progression. However, evidence on the anticancer effects of neutrophils is fragmentary and mostly obtained in in vitro assays or murine models with reports on anticancer neutrophil activity in humans lagging behind. In this review, we aim to give an overview of the available knowledge of anticancer activity by neutrophils. Furthermore, we will describe strategies being explored for the therapeutic activation of anticancer neutrophil activity.
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spelling doaj.art-623e0796968846f8a4ed73238b778c442023-11-20T18:05:52ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672020-10-012121782010.3390/ijms21217820The Neutrophil: The Underdog That Packs a Punch in the Fight against CancerNatasha Ustyanovska Avtenyuk0Nienke Visser1Edwin Bremer2Valerie R. Wiersma3Department of Hematology, Cancer Research Center Groningen, University Medical Center Groningen (UMCG), University of Groningen, Hanzeplein 1/DA13, 9713 GZ Groningen, The NetherlandsDepartment of Hematology, Cancer Research Center Groningen, University Medical Center Groningen (UMCG), University of Groningen, Hanzeplein 1/DA13, 9713 GZ Groningen, The NetherlandsDepartment of Hematology, Cancer Research Center Groningen, University Medical Center Groningen (UMCG), University of Groningen, Hanzeplein 1/DA13, 9713 GZ Groningen, The NetherlandsDepartment of Hematology, Cancer Research Center Groningen, University Medical Center Groningen (UMCG), University of Groningen, Hanzeplein 1/DA13, 9713 GZ Groningen, The NetherlandsThe advent of immunotherapy has had a major impact on the outcome and overall survival in many types of cancer. Current immunotherapeutic strategies typically aim to (re)activate anticancer T cell immunity, although the targeting of macrophage-mediated anticancer innate immunity has also emerged in recent years. Neutrophils, although comprising ≈ 60% of all white blood cells in the circulation, are still largely overlooked in this respect. Nevertheless, neutrophils have evident anticancer activity and can induce phagocytosis, trogocytosis, as well as the direct cytotoxic elimination of cancer cells. Furthermore, therapeutic tumor-targeting monoclonal antibodies trigger anticancer immune responses through all innate Fc-receptor expressing cells, including neutrophils. Indeed, the depletion of neutrophils strongly reduced the efficacy of monoclonal antibody treatment and increased tumor progression in various preclinical studies. In addition, the infusion of neutrophils in murine cancer models reduced tumor progression. However, evidence on the anticancer effects of neutrophils is fragmentary and mostly obtained in in vitro assays or murine models with reports on anticancer neutrophil activity in humans lagging behind. In this review, we aim to give an overview of the available knowledge of anticancer activity by neutrophils. Furthermore, we will describe strategies being explored for the therapeutic activation of anticancer neutrophil activity.https://www.mdpi.com/1422-0067/21/21/7820neutrophilsgranulocytesimmunotherapycancerphagocytosiscytotoxicity
spellingShingle Natasha Ustyanovska Avtenyuk
Nienke Visser
Edwin Bremer
Valerie R. Wiersma
The Neutrophil: The Underdog That Packs a Punch in the Fight against Cancer
International Journal of Molecular Sciences
neutrophils
granulocytes
immunotherapy
cancer
phagocytosis
cytotoxicity
title The Neutrophil: The Underdog That Packs a Punch in the Fight against Cancer
title_full The Neutrophil: The Underdog That Packs a Punch in the Fight against Cancer
title_fullStr The Neutrophil: The Underdog That Packs a Punch in the Fight against Cancer
title_full_unstemmed The Neutrophil: The Underdog That Packs a Punch in the Fight against Cancer
title_short The Neutrophil: The Underdog That Packs a Punch in the Fight against Cancer
title_sort neutrophil the underdog that packs a punch in the fight against cancer
topic neutrophils
granulocytes
immunotherapy
cancer
phagocytosis
cytotoxicity
url https://www.mdpi.com/1422-0067/21/21/7820
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