PSAT1 promotes autophagy to resist insufficient autophagy caused by cigarette smoke extract in human airway epithelial cells.
Toxicol In Vitro
; 94: 105711, 2024 Feb.
Article
em En
| MEDLINE
| ID: mdl-37832835
ABSTRACT
The inhaling of cigarette smoke (CS) causes damage to airway epithelial cells, which is related to chronic obstructive pulmonary disease (COPD). It has been established that CS induces autophagy, but it is still unclear whether excessive or insufficient autophagy results in cell death. This study discovered that CS significantly elevates PSAT1 expression in bronchial epithelial cells. Further studies using autophagy inhibitor, RNA interference, RT-qPCR, western blot, and CCK-8 assay in 16-HBE cells have confirmed that autophagy is temporarily initiated by cigarette smoke extract (CSE), but insufficient autophagy leads to cell death. PSAT1 induced by CSE promotes autophagy and resists insufficient autophagy caused by CSE through Akt/mTOR pathway in human bronchial epithelial cells, playing a protective role.
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Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Doença Pulmonar Obstrutiva Crônica
/
Fumar Cigarros
Limite:
Humans
Idioma:
En
Ano de publicação:
2024
Tipo de documento:
Article