ArticleRespiratory research2025
Dehydrocorydaline attenuates bleomycin-induced pulmonary fibrosis by inhibiting fibroblast activation.
Article in Respiratory research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Dehydrocorydaline treatment suppresses Th17 differentiation via the mTOR-mediated STAT3-RORγt signaling in systemic lupus erythematosus.Molecular medicine (Cambridge, Mass.) · 2026Article
- SIK2 Drives Pulmonary Fibrosis by Enhancing Fibroblast Glycolysis and Activation.Biomedicines · 2025Article
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Authors and funding
11 authors.
Funding
Abstract
backgroundPulmonary fibrosis (PF) is an irreversible, progressive, chronic and fatal interstitial lung disease with limited therapeutic options. Dehydrocorydaline (DHC), derived from the traditional Chinese medicinal plant Corydalis yanhusuo, has exhibited a variety of pharmacological properties. Nevertheless, the potential function and mechanism of DHC in the management of PF have yet to be elucidated. PURPOSE: To evaluate the therapeutical efficacy of DHC in different PF models and elucidate its underlying mechanism.
methodsA well-established Bleomycin-induced PF mouse model and human precision-cut lung slices (hPCLS) following fibrosis-inducing cocktail stimulation were employed. The antifibrotic effects of DHC on PF were measured by histopathological manifestation, immunofluorescent staining and expression levels of fibrosis related markers. Human primary pulmonary fibroblasts (HPFs) were used to explore the impact of DHC on fibroblast function and the underlying mechanism.
resultsHere, we demonstrated that DHC exhibited a therapeutic efficacy in Bleomycin-induced PF mouse model with a dose dependent, as well as in hPCLS after fibrosis-inducing cocktail stimulation, as evidenced by histopathological staining, decrease of Fibronectin, Collagen 1 and α-SMA expression. Additionally, in vitro experiments indicated that DHC effectively suppressed fibroblast to myofibroblast transition, but had no significant effect on the proliferation and migration of fibroblast. Mechanistic studies revealed that the inhibitory effect of DHC on fibroblast activation was dependent on the endoplasmic reticulum stress, thereby inhibiting TGF-β/SMAD signal pathway.
conclusionsOur study implied that DHC hold a promise therapeutic approach against PF by suppressing fibroblast activation. The safety and efficacy of DHC have been preliminary demonstrated in a mouse model.
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