松茸素通过抑制NLRP3炎性体激活,减轻lps诱导的肺上皮细胞炎症和氧化应激。

IF 2.1 4区 医学 Q3 ALLERGY
Allergologia et immunopathologia Pub Date : 2025-07-01 eCollection Date: 2025-01-01 DOI:10.15586/aei.v53i4.1365
Yan Li, Li Zhang
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引用次数: 0

摘要

急性肺损伤(ALI)是一种以严重肺组织损伤和炎症为特征的肺部疾病。松茸素(一种黄酮,类黄酮的一种;C25H24O6)是一种从桑树根皮中分离得到的类黄酮,具有显著的抗炎和抗氧化作用。然而,其对ALI进展的调节作用尚不清楚。本研究旨在探讨morusin是否可以减轻ALI的发展。在脂多糖(LPS)刺激的A549细胞中,松茸素可提高细胞活力,减少细胞凋亡。此外,morusin通过降低lps刺激A549细胞中白细胞介素-1β (IL-1β)、IL-6和前列腺素E2 (PGE2)的水平来减轻炎症。此外,morusin有效地降低了这些细胞的氧化应激。在机制上,我们发现桑芦素抑制lps刺激的A549细胞NLRP3(核苷酸结合域,富含亮氨酸家族,含pyrin域3)炎性体的激活。最后,本研究首次证明了松茸素通过抑制核因子κ B信号通路和NLRP3炎症小体激活来改善lps诱导的肺上皮细胞炎症和氧化应激。但本项目仅限于细胞实验,未进行动物实验和临床验证。我们的研究结果表明,morusin可以作为一种有希望的治疗ALI的药物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Morusin attenuates LPS-induced inflammation and oxidative stress in lung epithelial cells by inhibiting NLRP3 inflammasome activation.

Acute lung injury (ALI) is a pulmonary disorder characterized by severe lung tissue damage and inflammation. Morusin (a flavone, a type of flavonoid; C25H24O6), a flavonoid isolated from mulberry root bark, possesses notable anti-inflammatory and antioxidant properties. However, its regulatory effects on ALI progression remain unclear. This study aimed to investigate whether morusin could mitigate the development of ALI. Morusin was shown to enhance cell viability and reduce apoptosis in lipopolysaccharide (LPS)-stimulated A549 cells. Furthermore, morusin alleviated inflammation by decreasing the levels of interleukin-1β (IL-1β), IL-6, and prostaglandin E2 (PGE2) in LPS-challenged A549 cells. In addition, morusin effectively reduced oxidative stress in these cells. Mechanistically, morusin was found to suppress the activation of NLRP3 (nucleotide-binding domain, leucine rich-containing family, pyrin domain containing 3) inflammasome in LPS-stimulated A549 cells. Finally, this study demonstrated for the first time that morusin ameliorates LPS-induced inflammation and oxidative stress in lung epithelial cells by inhibiting both nuclear factor kappa B signaling pathway and NLRP3 inflammasome activation. However, this project was limited to cell experiments, and no animal experiments or clinical verifications were conducted. Our findings suggest that morusin could serve as a promising therapeutic agent for the treatment of ALI.

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来源期刊
CiteScore
3.70
自引率
0.00%
发文量
131
审稿时长
6-12 weeks
期刊介绍: Founded in 1972 by Professor A. Oehling, Allergologia et Immunopathologia is a forum for those working in the field of pediatric asthma, allergy and immunology. Manuscripts related to clinical, epidemiological and experimental allergy and immunopathology related to childhood will be considered for publication. Allergologia et Immunopathologia is the official journal of the Spanish Society of Pediatric Allergy and Clinical Immunology (SEICAP) and also of the Latin American Society of Immunodeficiencies (LASID). It has and independent international Editorial Committee which submits received papers for peer-reviewing by international experts. The journal accepts original and review articles from all over the world, together with consensus statements from the aforementioned societies. Occasionally, the opinion of an expert on a burning topic is published in the "Point of View" section. Letters to the Editor on previously published papers are welcomed. Allergologia et Immunopathologia publishes 6 issues per year and is included in the major databases such as Pubmed, Scopus, Web of Knowledge, etc.
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