K Placek

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Distinct CD4 + T cell subsets are necessary for efficient immune responses against various pathogens. Among these, Th17 cells play a critical role in mucosal immunity. On the other hand, Th17 cells are pathogenic in several autoimmune disease models. In addition to IL-17A, Th17 cells also produce the IL-10-related cytokine IL-22. However, recent reports(More)
Negative regulation of the immune system is of critical importance to prevent pathology. This level of regulation is compromised in autoimmunity and graft-versus-host disease, a life-threatening complication of hematopoietic stem cell transplantation. CD4 + CD25 + FOXP3 + regulatory T cells (Treg) are potent suppressors of these adverse immune reactions.(More)
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