Deletion of BACH1 alleviates ferroptosis and protects against LPS-triggered acute lung injury by activating Nrf2/HO-1 signaling pathway
Copyright © 2023 Elsevier Inc. All rights reserved..
Multiple lines of evidences have unraveled the emerging role of ferroptosis in the pathophysiological process of acute lung injury (ALI). In this study, we aimed to decipher the role of BACH1 in the onset and progression of ALI with a focus on ferroptosis and elucidated potential molecular mechanism. We observed that BACH1 expression was drastically elevated in BEAS-2B cells upon exposure to LPS. In the functional aspect, BACH1 deletion exerted an anti-inflammatory property, featured by decreased the secretion of several cytokines including TNF-α, IL-1β and IL-6 in the face of LPS challenge. What's more important, BACH1 knockout evidently repressed LPS-triggered oxidative stress damage, as evidenced by reduced reactive oxygen species (ROS) production and malondialdehyde (MDA) generation, accompanied with the elevated the activities of superoxide dismutase (SOD), GSH-Px and CAT. Meanwhile, ablation of BACH1 restrained LPS-elicited ferroptosis, as characterized by decreased iron content and PTGS2 expression, accompanied with increased expression of SLC7A11 and GPX4. In terms of mechanism, Nrf2/HO-1 signaling inhibitor effectively abrogated the beneficial effects of BACH1 inhibition on LPS-stimulated inflammation, oxidative damage and ferroptosis. Taken together, these preceding outcomes strongly illuminated that BACH1 was a novel regulator of LPS-evoked injury through regulation of inflammation response, oxidative stress and ferroptosis via activation Nrf2/HO-1 signaling, indicating that BACH1 may represent as a promising novel therapeutic candidate for ALI treatment.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:644 |
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| Enthalten in: |
Biochemical and biophysical research communications - 644(2023) vom: 12. Feb., Seite 8-14 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Rui-Xuan [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 07.02.2023 Date Revised 01.03.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.bbrc.2023.01.002 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Deletion of BACH1 alleviates ferroptosis and protects against LPS-triggered acute lung injury by activating Nrf2/HO-1 signaling pathway |
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| 520 | |a Copyright © 2023 Elsevier Inc. All rights reserved. | ||
| 520 | |a Multiple lines of evidences have unraveled the emerging role of ferroptosis in the pathophysiological process of acute lung injury (ALI). In this study, we aimed to decipher the role of BACH1 in the onset and progression of ALI with a focus on ferroptosis and elucidated potential molecular mechanism. We observed that BACH1 expression was drastically elevated in BEAS-2B cells upon exposure to LPS. In the functional aspect, BACH1 deletion exerted an anti-inflammatory property, featured by decreased the secretion of several cytokines including TNF-α, IL-1β and IL-6 in the face of LPS challenge. What's more important, BACH1 knockout evidently repressed LPS-triggered oxidative stress damage, as evidenced by reduced reactive oxygen species (ROS) production and malondialdehyde (MDA) generation, accompanied with the elevated the activities of superoxide dismutase (SOD), GSH-Px and CAT. Meanwhile, ablation of BACH1 restrained LPS-elicited ferroptosis, as characterized by decreased iron content and PTGS2 expression, accompanied with increased expression of SLC7A11 and GPX4. In terms of mechanism, Nrf2/HO-1 signaling inhibitor effectively abrogated the beneficial effects of BACH1 inhibition on LPS-stimulated inflammation, oxidative damage and ferroptosis. Taken together, these preceding outcomes strongly illuminated that BACH1 was a novel regulator of LPS-evoked injury through regulation of inflammation response, oxidative stress and ferroptosis via activation Nrf2/HO-1 signaling, indicating that BACH1 may represent as a promising novel therapeutic candidate for ALI treatment | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Acute lung injury | |
| 650 | 4 | |a BACH1 | |
| 650 | 4 | |a Ferroptosis | |
| 650 | 4 | |a Nrf2/HO-1 signaling | |
| 650 | 4 | |a Oxidative stress | |
| 650 | 7 | |a BACH1 protein, human |2 NLM | |
| 650 | 7 | |a Basic-Leucine Zipper Transcription Factors |2 NLM | |
| 650 | 7 | |a Lipopolysaccharides |2 NLM | |
| 650 | 7 | |a NF-E2-Related Factor 2 |2 NLM | |
| 650 | 7 | |a Heme Oxygenase-1 |2 NLM | |
| 650 | 7 | |a EC 1.14.14.18 |2 NLM | |
| 700 | 1 | |a Gu, Xing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Si-Xue |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Yan-Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Hong-Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Fei-Yan |e verfasserin |4 aut | |
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