Nitazoxanide alleviates experimental pulmonary fibrosis by inhibiting the development of cellular senescence.

IF 5.2 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL
Xianzhe Wang, Yanyan Zhu, Huilin Liu, Xiangchuan Wang, Hongjie Zhang, Xiuping Chen
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引用次数: 0

Abstract

Idiopathic pulmonary fibrosis (IPF) is a progressive lung disease characterized by irreversible lung scarring with a poor prognosis. Emerging evidence has revealed that IPF is an aging-related disease, and the development of cellular senescence plays a pivotal role in persistent remodeling and fibrotic scarring, acting as a key mechanism in the pathophysiology of IPF. Exploring therapeutic strategies for modulating cellular senescence can provide crucial insights into unraveling IPF processes. Here, we have identified Nitazoxanide (NTZ), an FDA-approved antiprotozoal agent, has specific effects on inhibiting cellular senescence development. In the bleomycin and D-galactose-induced senescence model, NTZ effectively inhibits senescence associated-β-gal staining and preserves cell proliferation ability. We also found that NTZ effectively impedes senescence progression in the bleomycin-induced pulmonary fibrosis model, while mitigating the release of senescence-associated secretory phenotype and alleviating pulmonary fibrosis. The anti-senescence effect of NTZ is mechanistically dependent on the preservation of nuclear SIRT1 expression. We observed that PI3K induces a WIPI1-mediated nucleophagic degradation of SIRT1, while NTZ effectively inhibits PI3K and suppresses WIPI1 expression, thereby maintaining SIRT1 expression in the nucleus and exerting its anti-senescence function. Collectively, our research has shown that NTZ can inhibit PI3K in senescence progression, leading to the inhibition of WIPI1-mediated SIRT1 nucleophagic degradation. As a result, NTZ alleviates fibrosis by inhibiting senescence development.

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来源期刊
Life sciences
Life sciences 医学-药学
CiteScore
12.20
自引率
1.60%
发文量
841
审稿时长
6 months
期刊介绍: Life Sciences is an international journal publishing articles that emphasize the molecular, cellular, and functional basis of therapy. The journal emphasizes the understanding of mechanism that is relevant to all aspects of human disease and translation to patients. All articles are rigorously reviewed. The Journal favors publication of full-length papers where modern scientific technologies are used to explain molecular, cellular and physiological mechanisms. Articles that merely report observations are rarely accepted. Recommendations from the Declaration of Helsinki or NIH guidelines for care and use of laboratory animals must be adhered to. Articles should be written at a level accessible to readers who are non-specialists in the topic of the article themselves, but who are interested in the research. The Journal welcomes reviews on topics of wide interest to investigators in the life sciences. We particularly encourage submission of brief, focused reviews containing high-quality artwork and require the use of mechanistic summary diagrams.
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