TET2 stabilized by deubiquitinase USP21 ameliorates cigarette smoke-induced apoptosis in airway epithelial cells
© 2024 The Author(s)..
DNA demethylase TET2 was related with lung function. However, the precise role of TET2 in cigarette smoke (CS)-induced apoptosis of airway epithelium cells, and the mechanisms involved, have yet to be elucidated. Here, we showed that CS decreased TET2 protein levels but had no significant effect on its mRNA levels in lung tissues of chronic obstructive pulmonary disease (COPD) patients and CS-induced COPD mice model and even in airway epithelial cell lines. TET2 could inhibit CS-induced apoptosis of airway epithelial cell in vivo and in vitro. Moreover, we identified ubiquitin-specific protease 21 (USP21) as a deubiquitinase of TET2 in airway epithelial cells. USP21 interacted with TET2 and inhibited CSE-induced TET2 degradation. USP21 downregulated decreased TET2 abundance and further reduced the anti-apoptosis effect of TET2. Thus, we draw a conclusion that the USP21/TET2 axis is involved in CS-induced apoptosis of airway epithelial cells.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:27 |
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| Enthalten in: |
iScience - 27(2024), 3 vom: 15. März, Seite 109252 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Luo, Lijuan [VerfasserIn] |
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| Anmerkungen: |
Date Revised 06.03.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.isci.2024.109252 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369298403 |
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| 520 | |a © 2024 The Author(s). | ||
| 520 | |a DNA demethylase TET2 was related with lung function. However, the precise role of TET2 in cigarette smoke (CS)-induced apoptosis of airway epithelium cells, and the mechanisms involved, have yet to be elucidated. Here, we showed that CS decreased TET2 protein levels but had no significant effect on its mRNA levels in lung tissues of chronic obstructive pulmonary disease (COPD) patients and CS-induced COPD mice model and even in airway epithelial cell lines. TET2 could inhibit CS-induced apoptosis of airway epithelial cell in vivo and in vitro. Moreover, we identified ubiquitin-specific protease 21 (USP21) as a deubiquitinase of TET2 in airway epithelial cells. USP21 interacted with TET2 and inhibited CSE-induced TET2 degradation. USP21 downregulated decreased TET2 abundance and further reduced the anti-apoptosis effect of TET2. Thus, we draw a conclusion that the USP21/TET2 axis is involved in CS-induced apoptosis of airway epithelial cells | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Cell biology | |
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| 650 | 4 | |a Pathophysiology | |
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| 700 | 1 | |a Li, Tiao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xiangming |e verfasserin |4 aut | |
| 700 | 1 | |a Cui, Yanan |e verfasserin |4 aut | |
| 700 | 1 | |a Tao, Yongguang |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yi |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Yan |e verfasserin |4 aut | |
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