通过激活NF-κB通路,CIP2A促进支气管炎消灭
Xu Zhou1, Xingyou Zhao2, Yanning Li1
1Department of Pediatrics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250011, P.R. China.
暴露于乙烯 (DA) 可能导致支气管炎消灭性 (BO). 抑制细胞增殖调节蛋白酸酶2A抑制剂 (CIP2A) 降低了炎症,纤维化和上皮细胞-介质细胞过渡,这表明CIP2A是DA诱导的肺部疾病的治疗点.
科学领域:
- 毒理学 毒理学 毒理学
- 肺部病理学 肺部病理学
- 分子生物学分子生物学
背景情况:
- 支气管炎 obliterans (BO) 是一种严重的纤维化肺部疾病,与2,3-butanedione (diacetyl, DA) 暴露有关.
- 确切的DA诱导BO的机制尚不清楚.
- 生物信息学分析显示,DA暴露的肺组织中蛋白酸酶2A (CIP2A) 的细胞增殖调节抑制剂的增加.
研究的目的:
- 调查CIP2A在DA诱导的BO病变发生中的作用.
- 探索DA诱导的肺损伤中抑制CIP2A的治疗潜力.
主要方法:
- 已建立的DA诱导BO的老鼠和细胞模型.
- 使用Ethoxysanguinarine,一种CIP2A抑制剂,以降低CIP2A水平.
- 通过H&E,Masson和Giemsa染色来评估病理变化.
- 通过RT-qPCR,西方抹杀,IHC,IF和ELISA对CIP2A和相关标记物的定量基因和蛋白质表达.
- 研究了核因子-κB (NF-κB) 信号通路的参与.
主要成果:
- 抑制CIP2A显著改善了BO病理,减少了内塞,炎症和纤维化.
- 在CIP2A抑制后,观察到炎症,纤维化和上皮-介质细胞过渡 (EMT) 标志物的表达减少.
- 抑制CIP2A抑制了NF-κB通路的激活,由IκBα酸化和p65核转位的减少证明.
结论:
- 通过激活NF-κB信号通路,CIP2A通过增强炎症,纤维化和EMT来促进DA诱导的BO.
- 抑制CIP2A是一种有前途的治疗策略,用于治疗二甲诱导的肺部疾病.
更多相关视频
09:52A Chromatin Immunoprecipitation Assay to Identify Novel NFAT2 Target Genes in Chronic Lymphocytic Leukemia
Published on: December 4, 2018
08:42Isolating Bronchial Epithelial Cells from Resected Lung Tissue for Biobanking and Establishing Well-Differentiated Air-Liquid Interface Cultures
Published on: May 26, 2023
相关概念视频
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
NF-κB-dependent Signaling Pathway
NF-κB-dependent Signaling Mechanism
The...
Asthma-II: Pathophysiology and Classification
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
TGF - β Signaling Pathway
Chronic Obstructive Pulmonary Disease-I: Introduction
Co-activators and Co-repressors
