Fungal sensing enhances neutrophil metabolic fitness by regulating antifungal Glut1 activity.
Candida albicans
fungus
glucose
glucose transporter 1
immunometabolism
kidney
neutrophils
Journal
Cell host & microbe
ISSN: 1934-6069
Titre abrégé: Cell Host Microbe
Pays: United States
ID NLM: 101302316
Informations de publication
Date de publication:
13 04 2022
13 04 2022
Historique:
received:
23
09
2021
revised:
10
12
2021
accepted:
16
02
2022
pubmed:
23
3
2022
medline:
19
4
2022
entrez:
22
3
2022
Statut:
ppublish
Résumé
Combating fungal pathogens poses metabolic challenges for neutrophils, key innate cells in anti-Candida albicans immunity, yet how host-pathogen interactions cause remodeling of the neutrophil metabolism is unclear. We show that neutrophils mediate renal immunity to disseminated candidiasis by upregulating glucose uptake via selective expression of glucose transporter 1 (Glut1). Mechanistically, dectin-1-mediated recognition of β-glucan leads to activation of PKCδ, which triggers phosphorylation, localization, and early glucose transport by a pool of pre-formed Glut1 in neutrophils. These events are followed by increased Glut1 gene transcription, leading to more sustained Glut1 accumulation, which is also dependent on the β-glucan/dectin-1/CARD9 axis. Card9-deficient neutrophils show diminished glucose incorporation in candidiasis. Neutrophil-specific Glut1-ablated mice exhibit increased mortality in candidiasis caused by compromised neutrophil phagocytosis, reactive oxygen species (ROS), and neutrophil extracellular trap (NET) formation. In human neutrophils, β-glucan triggers metabolic remodeling and enhances candidacidal function. Our data show that the host-pathogen interface increases glycolytic activity in neutrophils by regulating Glut1 expression, localization, and function.
Identifiants
pubmed: 35316647
pii: S1931-3128(22)00103-2
doi: 10.1016/j.chom.2022.02.017
pmc: PMC9026661
mid: NIHMS1791537
pii:
doi:
Substances chimiques
CARD Signaling Adaptor Proteins
0
Card9 protein, mouse
0
Glucose Transporter Type 1
0
Slc2a1 protein, mouse
0
beta-Glucans
0
Glucose
IY9XDZ35W2
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
530-544.e6Subventions
Organisme : NIDCR NIH HHS
ID : R01 DE022550
Pays : United States
Organisme : NIDCR NIH HHS
ID : R37 DE022550
Pays : United States
Organisme : NIDDK NIH HHS
ID : R01 DK104680
Pays : United States
Organisme : NIAID NIH HHS
ID : R21 AI145242
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI147383
Pays : United States
Organisme : NIH HHS
ID : S10 OD023402
Pays : United States
Organisme : NHLBI NIH HHS
ID : K01 HL135476
Pays : United States
Organisme : NIAID NIH HHS
ID : R21 AI153549
Pays : United States
Organisme : NIAID NIH HHS
ID : R21 AI159058
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI142354
Pays : United States
Commentaires et corrections
Type : CommentIn
Informations de copyright
Copyright © 2022 Elsevier Inc. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of interests The authors declare no competing interests
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