BCG Vaccination Induces Long-Term Functional Reprogramming of Human Neutrophils.
Adaptive Immunity
Adult
Aged
BCG Vaccine
/ immunology
Cellular Reprogramming
/ immunology
Female
Humans
Immunity, Innate
/ immunology
Killer Cells, Natural
/ immunology
Male
Middle Aged
Monocytes
/ immunology
Mycobacterium tuberculosis
/ immunology
Neutrophils
/ drug effects
Tuberculosis
/ immunology
Vaccination
/ methods
BCG
epigenetics
innate immune memory
neutrophil
nonspecific effects of vaccines
polymorphonuclear leukocytes
trained immunity
Journal
Cell reports
ISSN: 2211-1247
Titre abrégé: Cell Rep
Pays: United States
ID NLM: 101573691
Informations de publication
Date de publication:
17 11 2020
17 11 2020
Historique:
received:
30
09
2019
revised:
16
07
2020
accepted:
23
10
2020
entrez:
18
11
2020
pubmed:
19
11
2020
medline:
9
11
2021
Statut:
ppublish
Résumé
The tuberculosis vaccine bacillus Calmette-Guérin (BCG) protects against some heterologous infections, probably via induction of non-specific innate immune memory in monocytes and natural killer (NK) cells, a process known as trained immunity. Recent studies have revealed that the induction of trained immunity is associated with a bias toward granulopoiesis in bone marrow hematopoietic progenitor cells, but it is unknown whether BCG vaccination also leads to functional reprogramming of mature neutrophils. Here, we show that BCG vaccination of healthy humans induces long-lasting changes in neutrophil phenotype, characterized by increased expression of activation markers and antimicrobial function. The enhanced function of human neutrophils persists for at least 3 months after vaccination and is associated with genome-wide epigenetic modifications in trimethylation at histone 3 lysine 4. Functional reprogramming of neutrophils by the induction of trained immunity might offer novel therapeutic strategies in clinical conditions that could benefit from modulation of neutrophil effector function.
Identifiants
pubmed: 33207187
pii: S2211-1247(20)31376-0
doi: 10.1016/j.celrep.2020.108387
pmc: PMC7672522
pii:
doi:
Substances chimiques
BCG Vaccine
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
108387Informations de copyright
Copyright © 2020 The Author(s). Published by Elsevier Inc. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of Interests The authors declare no competing interests.
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