Research output: Contribution to journal › Article › peer-review
Charlotte R. Grant, Rodrigo Liberal, Giorgina Mieli-Vergani, Diego Vergani, Maria Serena Longhi
Original language | English |
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Pages (from-to) | 105-116 |
Number of pages | 12 |
Journal | AUTOIMMUNITY REVIEWS |
Volume | 14 |
Issue number | 2 |
Early online date | 16 Oct 2014 |
DOIs | |
Accepted/In press | 26 Sep 2014 |
E-pub ahead of print | 16 Oct 2014 |
Published | Feb 2015 |
Additional links |
Regulatory_T_cells_in_autoimmune_hepatitis_Manuscript.pdf, 314 KB, application/pdf
Uploaded date:09 May 2016
Version:Accepted author manuscript
Regulatory T cells in autoimmune hepatitis - Figure 1
Regulatory_T_cells_in_autoimmune_hepatitis_Figure_1.pdf, 800 KB, application/pdf
Uploaded date:09 May 2016
Regulatory T cells in autoimmune hepatitis - Figure legend
Regulatory_T_cells_in_autoimmune_hepatitis_Figure_legend.pdf, 58.4 KB, application/pdf
Uploaded date:09 May 2016
Regulatory T cells in autoimmune hepatitis - Table
Regulatory_T_cells_in_autoimmune_hepatitis_Table.pdf, 97.2 KB, application/pdf
Uploaded date:09 May 2016
Regulatory T cells (Tregs) are central to the maintenance of self-tolerance and tissue homeostasis. Markers commonly used to define human Tregs in the research setting include high expression of CD25, FOXP3 positivity and low expression/negativity for CD127. Many other markers have been proposed, but none unequivocally identifies bona fide Tregs. Tregs are equipped with an array of mechanisms of suppression, including the modulation of antigen presenting cell maturation and function, the killing of target cells, the disruption of metabolic pathways and the production of anti-inflammatory cytokines. Treg impairment has been reported in a number of human autoimmune conditions and includes Treg numerical and functional defects and conversion into effector cells in response to inflammation. In addition to intrinsic Treg impairment, resistance of effector T cells to Treg control has been described. Discrepancies in the literature are common, reflecting differences in the choice of study participants and the technical challenges associated with investigating this cell population. Studies differ in terms of the methodology used to define and isolate putative regulatory cells and to assess their suppressive function. In this review we outline studies describing Treg frequency and suppressive function in systemic and organ specific autoimmune diseases, with a specific focus on the challenges faced when investigating Tregs in these conditions.
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