ArticleRespiratory research2023
TGF-β1 promotes SCD1 expression via the PI3K-Akt-mTOR-SREBP1 signaling pathway in lung fibroblasts.
Article in Respiratory research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 18 citations in OpenAlex.
- SUMOylation activates ECHS1 for adaptive catabolism in lung cancer.Cell death & disease · 2026Article
- Breaking the bottleneck of asthma treatment: the future of omni-targeted therapy.Journal of advanced research · 2026Review
- Pirfenidone Suppresses Liver Fibrosis Through Inhibition of TGF-β-Associated Lipid Metabolic Remodeling in Hepatic Stellate Cells.International journal of molecular sciences · 2026Article
- miR-130b-5p Regulates Expression of ERβ via IGFBP2/SREBP1 Axis in Human Endometriotic Stromal Cells.Reproductive sciences (Thousand Oaks, Calif.) · 2026Article
- Stearoyl-CoA desaturase-1 controls the differentiation and antitumoral function of Th9 lymphocytes.Journal for immunotherapy of cancer · 2026Article
- The impact of macrophage metabolism on idiopathic pulmonary fibrosis development and treatment prospectives.Frontiers in immunology · 2026Review
- Unraveling the impact of cancer-associated fibroblasts on lymphatic metastasis of head and neck squamous cell carcinoma.Cellular oncology (Dordrecht, Netherlands) · 2025Review
- Oleic acid activates TGFβ-Smad3 signaling to promote ovarian cancer progression.Journal of ovarian research · 2025Article
- HSF1 and CPSF1 affect milk fat and protein synthesis by regulating the AKT/mTOR signaling pathway.Journal of animal science · 2025Article
- Fibroblast PI3K/AKT signaling and extracellular matrix homeostasis: mechanisms, targets, and delivery challenges.Frontiers in cell and developmental biology · 2025Review
- Formononetin triggers ferroptosis in triple-negative breast cancer cells by regulating the mTORC1/SREBP1/SCD1 pathway.Frontiers in pharmacology · 2024Article
- Protective effect of the total alkaloid extract from BulbusFood & nutrition research · 2024Article
- [Trimethylamine N-Oxide Induces Renal Fibrosis Through the PI3K/AKT/SREBP1 Pathway].Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition · 2023Article
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundLung fibroblast activation is associated with airway remodeling during asthma progression. Stearoyl-CoA desaturase 1 (SCD1) plays an important role in the response of fibroblasts to growth factors. This study aimed to explore the effects of SCD1 on fibroblast activation induced by transforming growth factor-β1 (TGF-β1) and the role of the phosphatidylinositol-3-kinase-AKT serine-threonine protein kinase-mechanistic target of rapamycin (PI3K-Akt-mTOR) pathway on the regulation of SCD1 expression in airway remodeling.
methodsFemale C57BL/6 mice were sensitized and challenged with house dust mites to generate a chronic asthma model. The inhibitor of SCD1 was injected i.g. before each challenge. The airway hyper-responsiveness to methacholine was evaluated, and airway remodeling and airway inflammation were assessed by histology. The effects of SCD1 on fibroblast activation were evaluated in vitro using an SCD1 inhibitor and oleic acid and via the knockdown of SCD1. The involvement of the PI3K-Akt-mTOR-sterol regulatory element-binding protein 1 (SREBP1) pathway in lung fibroblasts was investigated using relevant inhibitors.
resultsThe expression of SCD1 was increased in fibroblasts exposed to TGF-β1. The inhibition of SCD1 markedly ameliorated airway remodeling and lung fibroblast activation in peripheral airways. The knockdown or inhibition of SCD1 resulted in significantly reduced extracellular matrix production in TGF-β1-treated fibroblasts, but this effect was reversed by the addition of exogenous oleic acid. The PI3K-Akt-mTOR-SREBP1 pathway was found to be involved in the regulation of SCD1 expression and lung fibroblast activation.
conclusionsThe data obtained in this study indicate that SCD1 expression contributes to fibroblast activation and airway remodeling and that the inhibition of SCD1 may be a therapeutic strategy for airway remodeling in asthma.
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