Department of Immunology, Mie University Faculty and Graduate School of Medicine, Tsu, Mie, Japan.
Center for Intractable Diseases, Mie University, Tsu, Mie, Japan.
Nat Commun. 2022 Mar 23;13(1):1558. doi: 10.1038/s41467-022-29064-3.
Idiopathic pulmonary fibrosis is an incurable disease of unknown etiology. Acute exacerbation of idiopathic pulmonary fibrosis is associated with high mortality. Excessive apoptosis of lung epithelial cells occurs in pulmonary fibrosis acute exacerbation. We recently identified corisin, a proapoptotic peptide that triggers acute exacerbation of pulmonary fibrosis. Here, we provide insights into the mechanism underlying the processing and release of corisin. Furthermore, we demonstrate that an anticorisin monoclonal antibody ameliorates lung fibrosis by significantly inhibiting acute exacerbation in the human transforming growth factorβ1 model and acute lung injury in the bleomycin model. By investigating the impact of the anticorisin monoclonal antibody in a general model of acute lung injury, we further unravel the potential of corisin to impact such diseases. These results underscore the role of corisin in the pathogenesis of acute exacerbation of pulmonary fibrosis and acute lung injury and provide a novel approach to treating this incurable disease.
特发性肺纤维化是一种病因不明的不可治愈的疾病。特发性肺纤维化急性加重与高死亡率相关。肺上皮细胞的过度凋亡发生在肺纤维化急性加重中。我们最近发现了 corisin,一种触发肺纤维化急性加重的促凋亡肽。在这里,我们提供了对 corisin 加工和释放机制的深入了解。此外,我们证明了一种抗 corisin 单克隆抗体通过显著抑制人转化生长因子β1 模型中的急性加重和博来霉素模型中的急性肺损伤,从而改善肺纤维化。通过研究抗 corisin 单克隆抗体在一般急性肺损伤模型中的影响,我们进一步揭示了 corisin 影响此类疾病的潜力。这些结果强调了 corisin 在特发性肺纤维化和急性肺损伤急性加重发病机制中的作用,并为治疗这种不可治愈的疾病提供了一种新方法。
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