Abstract
To investigate how adipose-derived mesenchymal stem cells (ADSCs) regulate the balance between regulatory T cells (Treg) and Th17 cells through the IL-2/JAK3/STAT5 signaling pathway in a rat model of allergic rhinitis (AR). Adipose-derived stem cells (ADSCs) were used to treat an ovalbumin (OVA)-induced AR rat model. The pathological changes and nasal symptoms were observed by HE staining and scanning electron microscopy. The concentrations of OVA-sIgE, IL-10, and IL-17 in serum were measured by enzyme-linked immunosorbent assay (ELISA). The mRNA expressions of JAK-3, STAT-5, forkhead box P3 (Foxp3), and retinoic acid-associated orphan receptor γt (RORγt) in nasal mucosa were detected by reverse transcription-polymerase chain reaction (RT-PCR). The expression of IL-2, JAK-3, and STAT-5 proteins in nasal mucosa was detected by Western blotting, and the expression patterns of these proteins were analyzed. ADSCs significantly reduced nasal symptoms and histological abnormalities by significantly reducing the levels of OVA-sIgE and IL-10. The expressions of IL-2, JAK-3, STAT-5, IL-2, JAK-3, STAT-5, Foxp3 mRNA, and RORγ t mRNA in the nasal mucosa of AR rats were significantly increased. ADSC can control the development of Treg/Th17 cells by the IL-2/JAK-3/STAT-5 signaling pathway and reduce OVA-induced allergic inflammation.
Published Version
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