ArticleBioscience reports2022
Gr1+ myeloid-derived suppressor cells participate in the regulation of lung-gut axis during mouse emphysema model.
Article in Bioscience reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- The role of the gut-lung axis in persistent inflammation and disease progression in chronic obstructive pulmonary disease: mechanistic evidence and therapeutic implications.Frontiers in immunology · 2026Review
- NADPH oxidases: redox regulation of cell homeostasis and disease.Physiological reviews · 2025Review
- Development of severe colitis is associated with lung inflammation and pathology.Frontiers in immunology · 2023Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundChronic obstructive pulmonary disease (COPD) is often accompanied by intestinal symptoms. Myeloid-derived suppressor cells (MDSCs) possess immunosuppressive ability in cancer, chronic inflammation, and infection. The aim of this study was to verify the distribution of MDSCs in emphysema mouse model and participation in lung-gut cross-talk.
methodsAdult male C57BL/6 mice were exposed to cigarette smoke (CS) for 6 months or injected with porcine pancreas elastase to establish emphysema models. Flow cytometry and immunohistochemistry analysis revealed the distribution of MDSCs in tissues. The expression of inflammation and MDSCs-associated genes in the small intestine and colon were analyzed by real-time PCR.
resultsThe small intestine and colon of CS-induced emphysematous mice displayed pathological changes, CD4+/CD8+ T cells imbalance, and increased neutrophils, monocytes, and macrophages infiltration. A significant expansion of MDSCs could be seen in CS-affected respiratory and gastrointestinal tract. Importantly, higher expression of MDSCs-related effector molecules inducible nitric oxide synthase (INOS), NADPH oxidase 2 (NOX2), and arginase 1 (ARG-1) suggested the immunosuppressive effect of migrated MDSCs (P<0.05).
conclusionThese data provide evidence for lung-gut axis in emphysema model and the participants of MDSCs.
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