Neutrophil: A Cell with Many Roles in Inflammation or Several Cell Types?

Neutrophils are the most abundant leukocytes in the circulation, and have been regarded as first line of defense in the innate arm of the immune system. They capture and destroy invading microorganisms, through phagocytosis and intracellular degradation, release of granules, and formation of neutrop...

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Main Author: Carlos Rosales
Format: Article
Language:English
Published: Frontiers Media S.A. 2018-02-01
Series:Frontiers in Physiology
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fphys.2018.00113/full
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author Carlos Rosales
author_facet Carlos Rosales
author_sort Carlos Rosales
collection DOAJ
description Neutrophils are the most abundant leukocytes in the circulation, and have been regarded as first line of defense in the innate arm of the immune system. They capture and destroy invading microorganisms, through phagocytosis and intracellular degradation, release of granules, and formation of neutrophil extracellular traps after detecting pathogens. Neutrophils also participate as mediators of inflammation. The classical view for these leukocytes is that neutrophils constitute a homogenous population of terminally differentiated cells with a unique function. However, evidence accumulated in recent years, has revealed that neutrophils present a large phenotypic heterogeneity and functional versatility, which place neutrophils as important modulators of both inflammation and immune responses. Indeed, the roles played by neutrophils in homeostatic conditions as well as in pathological inflammation and immune processes are the focus of a renovated interest in neutrophil biology. In this review, I present the concept of neutrophil phenotypic and functional heterogeneity and describe several neutrophil subpopulations reported to date. I also discuss the role these subpopulations seem to play in homeostasis and disease.
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spelling doaj.art-2b81dd36897c4784b52694e861abd20e2022-12-21T18:12:13ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2018-02-01910.3389/fphys.2018.00113324475Neutrophil: A Cell with Many Roles in Inflammation or Several Cell Types?Carlos RosalesNeutrophils are the most abundant leukocytes in the circulation, and have been regarded as first line of defense in the innate arm of the immune system. They capture and destroy invading microorganisms, through phagocytosis and intracellular degradation, release of granules, and formation of neutrophil extracellular traps after detecting pathogens. Neutrophils also participate as mediators of inflammation. The classical view for these leukocytes is that neutrophils constitute a homogenous population of terminally differentiated cells with a unique function. However, evidence accumulated in recent years, has revealed that neutrophils present a large phenotypic heterogeneity and functional versatility, which place neutrophils as important modulators of both inflammation and immune responses. Indeed, the roles played by neutrophils in homeostatic conditions as well as in pathological inflammation and immune processes are the focus of a renovated interest in neutrophil biology. In this review, I present the concept of neutrophil phenotypic and functional heterogeneity and describe several neutrophil subpopulations reported to date. I also discuss the role these subpopulations seem to play in homeostasis and disease.https://www.frontiersin.org/article/10.3389/fphys.2018.00113/fullneutrophilbacteriainfectioninflammationcancer
spellingShingle Carlos Rosales
Neutrophil: A Cell with Many Roles in Inflammation or Several Cell Types?
Frontiers in Physiology
neutrophil
bacteria
infection
inflammation
cancer
title Neutrophil: A Cell with Many Roles in Inflammation or Several Cell Types?
title_full Neutrophil: A Cell with Many Roles in Inflammation or Several Cell Types?
title_fullStr Neutrophil: A Cell with Many Roles in Inflammation or Several Cell Types?
title_full_unstemmed Neutrophil: A Cell with Many Roles in Inflammation or Several Cell Types?
title_short Neutrophil: A Cell with Many Roles in Inflammation or Several Cell Types?
title_sort neutrophil a cell with many roles in inflammation or several cell types
topic neutrophil
bacteria
infection
inflammation
cancer
url https://www.frontiersin.org/article/10.3389/fphys.2018.00113/full
work_keys_str_mv AT carlosrosales neutrophilacellwithmanyrolesininflammationorseveralcelltypes