Contribution of Particle-Induced Lysosomal Membrane Hyperpolarization to Lysosomal Membrane Permeabilization.
Animals
Cell Death
/ drug effects
Cytosol
/ metabolism
Female
Hydrogen-Ion Concentration
Inflammasomes
/ metabolism
Intracellular Membranes
/ drug effects
Lysosomes
/ drug effects
Macrophages, Alveolar
/ drug effects
Male
Membrane Potentials
/ drug effects
Mice, Inbred C57BL
Models, Biological
NLR Family, Pyrin Domain-Containing 3 Protein
/ metabolism
Nanoparticles
/ toxicity
Permeability
Potassium
/ metabolism
Reproducibility of Results
Silicon Dioxide
/ toxicity
crystalline silica
lysosomal membrane potential
nanoparticles
zinc oxide nanoparticles
Journal
International journal of molecular sciences
ISSN: 1422-0067
Titre abrégé: Int J Mol Sci
Pays: Switzerland
ID NLM: 101092791
Informations de publication
Date de publication:
25 Feb 2021
25 Feb 2021
Historique:
received:
28
01
2021
revised:
18
02
2021
accepted:
20
02
2021
entrez:
6
3
2021
pubmed:
7
3
2021
medline:
17
4
2021
Statut:
epublish
Résumé
Lysosomal membrane permeabilization (LMP) has been proposed to precede nanoparticle-induced macrophage injury and NLRP3 inflammasome activation; however, the underlying mechanism(s) of LMP is unknown. We propose that nanoparticle-induced lysosomal hyperpolarization triggers LMP. In this study, a rapid non-invasive method was used to measure changes in lysosomal membrane potential of murine alveolar macrophages (AM) in response to a series of nanoparticles (ZnO, TiO
Identifiants
pubmed: 33668885
pii: ijms22052277
doi: 10.3390/ijms22052277
pmc: PMC7956429
pii:
doi:
Substances chimiques
Inflammasomes
0
NLR Family, Pyrin Domain-Containing 3 Protein
0
Silicon Dioxide
7631-86-9
Potassium
RWP5GA015D
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : NIEHS NIH HHS
ID : R01 ES023209
Pays : United States
Organisme : NIGMS NIH HHS
ID : P20 GM103546
Pays : United States
Organisme : NIGMS NIH HHS
ID : P30 GM103338
Pays : United States
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