Pharmacological Mechanisms and Target Discovery in Lung Injury-Driven Fibrosis: From Molecular Pathways to Preclinical Innovation

A special issue of Biomedicines (ISSN 2227-9059). This special issue belongs to the section "Molecular and Translational Medicine".

Deadline for manuscript submissions: 31 January 2026 | Viewed by 745

Special Issue Editor


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Guest Editor
Department of Pharmacology, School of Basic Medical Sciences, Zhejiang University, Hangzhou 310058, China
Interests: respiratory pharmacology, including pathogenesis and drug therapy in pulmonary inflammations such as asthma, acute lung injury, and COPD

Special Issue Information

Dear Colleagues,

This Special Issue will delve into the molecular and pharmacological underpinnings of lung injury and fibrosis, focusing on non-clinical advancements. Potential topics include the following:

  • ​Mechanistic Drivers: Signaling cascades (TGF-β, Wnt/β-catenin, DAMPs) connecting injury to fibroblast activation and extracellular matrix remodeling.
  • ​Target Identification: AI- and multi-omics-guided discovery of novel targets (e.g., IL-11, epigenetic regulators, senescence-associated secretome).
  • ​Drug Design: The structure-based optimization of small-molecule inhibitors, inhaled nanoparticle delivery systems, and senolytic agents.
  • ​Preclinical Models: Advanced in vitro (e.g., 3D organoids) and in vivo systems to dissect injury–fibrosis interplay.

We invite the submission of reviews, original research, and methodological papers on molecular pharmacology, computational drug discovery, and experimental therapeutics. Contributions exploring environmental triggers (e.g., pollutants, toxins) and cross-disciplinary technologies (e.g., spatial transcriptomics, single-cell proteomics) are encouraged. This Special Issue will bridge mechanistic insights and innovative pharmacotherapeutic strategies in preclinical research.

Dr. Huifang Tang
Guest Editor

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Keywords

  • lung injury and fibrosis
  • pharmacological mechanisms
  • target discovery
  • mechanistic drivers
  • target identification
  • drug design
  • preclinical models

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Published Papers (1 paper)

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Research

19 pages, 14660 KB  
Article
Reversal of Myofibroblast Apoptosis Resistance and Collagen Deposition by Phaseoloidin-Induced Autophagy Attenuates Pulmonary Fibrosis
by Siyuan Li, Jiazhen Qian, Lang Deng, Wei Liu, Siyuan Tang and Weixi Xie
Biomedicines 2025, 13(11), 2679; https://doi.org/10.3390/biomedicines13112679 - 31 Oct 2025
Viewed by 550
Abstract
Background and Objectives: Myofibroblast apoptosis resistance and excessive extracellular matrix (ECM) deposition are central drivers of the irreversibility of pulmonary fibrosis, and both are mechanistically linked to autophagy impairment. Phaseoloidin is a bioactive compound derived from Entada phaseoloides. This study aimed [...] Read more.
Background and Objectives: Myofibroblast apoptosis resistance and excessive extracellular matrix (ECM) deposition are central drivers of the irreversibility of pulmonary fibrosis, and both are mechanistically linked to autophagy impairment. Phaseoloidin is a bioactive compound derived from Entada phaseoloides. This study aimed to investigate the therapeutic potential of Phaseoloidin in bleomycin-induced pulmonary fibrosis and its underlying mechanisms. Methods:In vivo, the antifibrotic effects of Phaseoloidin were evaluated using a bleomycin-induced pulmonary fibrosis mouse model in male C57/BL mice. To further elucidate the mechanisms by which Phaseoloidin counteracts fibrosis, in vitro experiments were conducted using primary lung fibroblasts. Results: In vitro experiments showed that Phaseoloidin could activate the AMPK/mTOR pathway in autophagy-deficient myofibroblasts, effectively reversing autophagic defects and promoting collagen degradation. This autophagy activation selectively degraded PTPN13, a negative regulator of apoptosis, thereby enhancing the sensitivity of myofibroblasts to FasL-induced apoptosis and further facilitating fibrosis resolution. After AMPK gene knockout, the pro-autophagic effect of Phaseoloidin completely disappeared, and both collagen clearance and apoptosis recovery were blocked. In vivo experiments confirmed that Phaseoloidin exerted antifibrotic effects by activating AMPK-mediated autophagy in myofibroblasts, which significantly ameliorated pulmonary fibrosis. Conclusions: Phaseoloidin exerts a dual mechanism by activating AMPK-mediated autophagy in myofibroblasts: first, degrading PTPN13 to reverse myofibroblast apoptosis resistance; second, enhancing ECM turnover. These findings indicate that Phaseoloidin is a promising novel therapeutic candidate for pulmonary fibrosis. Full article
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