Evaluation of amniotic mesenchymal cell derivatives on cytokine production in equine alveolar macrophages: an in vitro approach to lung inflammation.
- Journal Article
Summary
This study investigates how stem cell derivatives from horse amniotic fluid can alter lung inflammation responses in horse lung cells. It is part of the effort to develop cell-based therapies for repairing lung damage and relieving inflammation in respiratory conditions like asthma.
Research Objective
The research sought to understand if and how derivatives of equine amniotic mesenchymal cells influence cytokine production in horse lung cells when these cells are exposed to lipopolysaccharide (LPS). By looking at the effects on the cytokines TNF-α, IL-6, and TGF-β1, the researchers hoped to gain insights regarding the potential use of these stem cell derivatives in treating lung inflammatory diseases, such as recurrent airway obstruction (RAO) in horses which shares many features with human asthma.
Methodology
- The researchers used two types of cell derivatives: conditioned medium (CM) and microvesicles (MVs).
- Their effect was studied in horse lung cells (equine alveolar macrophages) which were or weren’t exposed to LPS, an inflammation trigger.
- Different LPS concentrations were used and the cells were also exposed to varying amounts of CM or MVs.
- The release of TNF-α, IL-6, and TGF-β1 was measured at 1, 24, 48, and 72 hours intervals using ELISA kits, a standard tool for measuring proteins in samples.
- Finally, statistical analysis was conducted to identify any significant differences in cytokine release, due to the various treatments.
Findings
- The researchers noted that the CM treatment significantly reduced the LPS-induced release of TNF-α at the 24-hour and 48-hour intervals.
- Both the CM and MVs treatments seemed to reduce the TNF-α release at the 48-hour point.
- There was a suggestion that both treatments had a modulatory effect on the release of TGF-β and possibly also IL-6, but this needs further exploration.
Implications
The results support the idea that CM and MVs could have therapeutic value in lung pathology, especially in cases where reducing TGF-β could be beneficial, for instance, in respiratory allergies. While promising, these findings serve as preliminary data and the researchers stress the need for further studies to confirm these effects and explore their potential in clinical applications for equine lung diseases and other inflammatory disorders.
Cite This Article
Publication
Researcher Affiliations
- Department of Health, Animal Science and Food Safety (VESPA), Università degli Studi di Milano, Via Celoria 10, 20133, Milano, Italy.
- Laboratory of Toxicology, DiSFeB, Università degli Studi di Milano, Milan, Italy.
- Laboratory of Toxicology, DiSFeB, Università degli Studi di Milano, Milan, Italy.
- Large Animal Hospital, Reproduction Unit, Università degli Studi di Milano, Lodi, Italy. anna.langeconsiglio@unimi.it.
- Department of Health, Animal Science and Food Safety (VESPA), Università degli Studi di Milano, Via Celoria 10, 20133, Milano, Italy.
MeSH Terms
- Amnion / cytology
- Amnion / immunology
- Amnion / metabolism
- Animals
- Cell-Derived Microparticles / chemistry
- Cell-Derived Microparticles / immunology
- Culture Media, Conditioned / chemistry
- Culture Media, Conditioned / pharmacology
- Female
- Horse Diseases / immunology
- Horse Diseases / pathology
- Horses
- Interleukin-6 / biosynthesis
- Interleukin-6 / immunology
- Lipopolysaccharides / pharmacology
- Macrophages, Alveolar / cytology
- Macrophages, Alveolar / drug effects
- Macrophages, Alveolar / immunology
- Mesenchymal Stem Cells / cytology
- Mesenchymal Stem Cells / immunology
- Mesenchymal Stem Cells / metabolism
- Models, Biological
- Pneumonia / immunology
- Pneumonia / pathology
- Pneumonia / veterinary
- Primary Cell Culture
- Transforming Growth Factor beta1 / biosynthesis
- Transforming Growth Factor beta1 / immunology
- Tumor Necrosis Factor-alpha / biosynthesis
- Tumor Necrosis Factor-alpha / immunology
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