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Vet Res Commun ; 47(4): 2055-2070, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37421548

RESUMO

Mesenchymal stem cells (MSCs) are a promising tool for treating immune disorders. However, the immunomodulatory effects of canine MSCs compared with other commercialized biologics for treating immune disorders have not been well studied. In this study we investigated the characteristics and immunomodulatory effects of canine amnion membrane (cAM)-MSCs. We examined gene expression of immune modulation and T lymphocytes from activated canine peripheral blood mononuclear cell (PBMC) proliferation. As a result, we confirmed that cAM-MSCs upregulated immune modulation genes (TGF-ß1, IDO1 and PTGES2) and suppressed the proliferation capacity of T cells. Moreover, we confirmed the therapeutic effect of cAM-MSCs compared with oclacitinib (OCL), the most commonly used Janus kinase (JAK) inhibitor, as a treatment for canine atopic dermatitis (AD) using a mouse AD model. As a result, we confirmed that cAM-MSCs with PBS treatment groups (passage 4, 6 and 8) compared with PBS only (PBS) though scores of dermatologic signs, tissue pathologic changes and inflammatory cytokines were significantly reduced. In particular, cAM-MSCs were more effective than OCL in the recovery of wound dysfunction, regulation of mast cell activity and expression level of immune modulation protein. Interestingly, subcutaneous injection of cAM-MSCs induced weight recovery, but oral administration of oclacitinib induced weight loss as a side effect. In conclusion, this study suggests that cAM-MSCs can be developed as a safe canine treatment for atopic dermatitis without side effects through effective regeneration and immunomodulation.


Assuntos
Dermatite Atópica , Doenças do Cão , Transplante de Células-Tronco Mesenquimais , Células-Tronco Mesenquimais , Animais , Cães , Dermatite Atópica/terapia , Dermatite Atópica/veterinária , Dermatite Atópica/metabolismo , Âmnio/metabolismo , Leucócitos Mononucleares , Transplante de Células-Tronco Mesenquimais/veterinária , Imunomodulação , Regeneração , Doenças do Cão/terapia
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