[pubmed] Myeloid-derived suppressor cell and regulatory T cell frequencies in canine myasthenia gravis: A pilot study

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[pubmed] Myeloid-derived suppressor cell and regulatory T cell frequencies in canine myasthenia gravis: A pilot study

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Vet J. 2021 Jan;267:105581. doi: 10.1016/j.tvjl.2020.105581. Epub 2020 Nov 28.

ABSTRACT

Myasthenia gravis (MG) is a T cell-dependent, B cell-mediated autoimmune disease. Little is known about its cellular pathogenesis in dogs. This study provides the first preliminary assessment of the frequency of myeloid-derived suppressor cells (MDSCs) and regulatory T cells (Tregs) in the peripheral blood of dogs with seropositive generalized MG. No alteration in frequency of either MDSCs or Tregs in dogs with MG was observed when compared to those in either seronegative dogs with diagnoses other than MG, or healthy dogs. A longitudinal study in three dogs with MG revealed no correlation between the relative numbers of either population and the clinical course of disease. Neither the frequency of MDSCs nor of Tregs showed a correlation with anti-AChR antibody titer in dogs with MG. These findings suggest that aberrations in the frequency of either immunosuppressive population do not occur in MG, but they need to be validated in large-scale prospective studies.

PMID:33375962 | DOI:10.1016/j.tvjl.2020.105581


Source: https://pubmed.ncbi.nlm.nih.gov/3337596 ... 2&v=2.14.1
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