ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Cathepsin K Aggravates Pulmonary Fibrosis Through Promoting Fibroblast Glutamine Metabolism and Collagen Synthesis.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
14 citing papers in PubMed.
- FGF8 alleviates LPS-induced acute lung injuryAnnals of medicine · 2026Article
- Glutamine metabolism in health and disease.Signal transduction and targeted therapy · 2026Review
- Cathepsins as Core Players in Obesity Pathogenesis: Emerging Therapeutic Targets.Biomolecules · 2026Review
- TRAP5 Inhibition Targeting Scar-Associated Macrophages Ameliorates Acute Kidney Injury to Chronic Kidney Disease Transition.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Myeloperoxidase promotes fibrosis by inhibiting cathepsin K to bias the lung toward ECM accumulation.bioRxiv : the preprint server for biology · 2026Article
- Lysine attenuates acute lung injury by restoring α-tubulin acetylation and ciliary activity.Cell death discovery · 2026Article
- Cathepsin K Alleviates Liver Fibrosis by Inhibiting the TGF-β/Smad Signaling Pathway and Inducing Hepatic Stellate Cell Apoptosis.Journal of clinical and translational hepatology · 2026Article
- The role of glutamine metabolism in the pathogenesis of idiopathic pulmonary fibrosis and its therapeutic potential.Frontiers in oncology · 2026Review
- Yizong Tongluo formula attenuates idiopathic pulmonary fibrosis and inflammatory injury by inhibiting HIF-1α/LSH/SCD1-mediated ferroptosis.Frontiers in immunology · 2026Article
- Relationship between cathepsin K and extracellular matrix dynamics: a comprehensive review.Frontiers in oncology · 2026Review
- Network toxicology reveals key genes of amiodarone induced pulmonary fibrosis: based on machine learning and SHAP analysis.Frontiers in pharmacology · 2026Article
- Integration of cAMP and TRPV4 Signaling to Optimize Collagen Remodeling for Management of Fibrosis.Cells · 2025Review
- Sorting nexin 9 expression and prognostic implications in lung adenocarcinoma: integrative bioinformatic andTranslational cancer research · 2025Article
- Cathepsin K Aggravates Pulmonary Fibrosis Through Promoting Fibroblast Glutamine Metabolism and Collagen Synthesis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
11 authors.
Funding
Abstract
Fibroblast collagen synthesis is a hallmark of the pathogenesis and progression of pulmonary fibrosis (PF). However, the factors that trigger the abnormal activation of fibroblasts in PF are still not well understood. Using proteomics and single-cell sequencing dataset screening, extra accumulation of Cathepsin K (CTSK) is detected in the periphery as well as in fibroblasts in the lungs of PF mouse models. Addition of recombinant CTSK (rCTSK) aggravates collagen accumulation and PF progression in bleomycin-induced PF mice. Mechanically, CTSK underwent endocytosis through interaction with sorting nexin 9 (SNX9), which is engaged in TGF-β1 induced SMAD3 activation for downstream glutaminase 1 (GLS1) upregulation and glutamine enrichment. In turn, extra glutamine increases collagen synthesis in fibroblasts. More significantly, serum CTSK levels positively correlated with glutamine levels and poor prognosis in patients with PF. Thus, the results identify CTSK as a novel regulator of fibroblast activation that remodels glutamine metabolism and promotes collagen synthesis during PF pathogenesis. The correlation between peripheral CTSK and glutamine levels implies its future feasibility in the prediction and prevention of PF progression.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.