ArticleRMD open2026
Mesenchymal stromal cells ameliorate systemic sclerosis-interstitial lung disease via PD-1/PD-L1 signalling axis.
Article in RMD open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveSystemic sclerosis-associated interstitial lung disease (SSc-ILD) is characterised by progressive pulmonary fibrosis. This study aimed to investigate the role of programmed death-1 (PD-1)-expressing T cells in SSc-ILD pathogenesis and evaluate the therapeutic potential and mechanism of mesenchymal stromal cells (MSCs) in mitigating fibrosis.
methodsPD-1 expression in T cells from 30 patients with SSc (including SSc-ILD and SSc-non-ILD (nILD) subgroups) and 15 healthy controls (HCs) was analysed via flow cytometry. A bleomycin (BLM)-induced SSc-ILD mouse model was established to evaluate the effects of MSCs in the treatment of lung collagen deposition and inflammation in SSc-ILD. MSCs were administered intravenously to BLM-treated mice, with programmed death-ligand 1 (PD-L1) knockdown (using small interfering RNA targeting PD-L1, siPD-L1) used to explore the mechanism of MSCs on PD-1/PD-L1 pathway. The effects of MSCs on CD4
resultsPD-1 expression was significantly elevated in CD3
conclusionCD4
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