| First Author | Ji H | Year | 1999 |
| Journal | Immunol Rev | Volume | 169 |
| Pages | 139-46 | PubMed ID | 10450514 |
| Mgi Jnum | J:305448 | Mgi Id | MGI:6711079 |
| Doi | 10.1111/j.1600-065x.1999.tb01312.x | Citation | Ji H, et al. (1999) Different modes of pathogenesis in T-cell-dependent autoimmunity: clues from two TCR transgenic systems. Immunol Rev 169:139-46 |
| abstractText | T lymphocytes constantly flirt with reactivity to self peptides, a price they pay for their ability to recognize foreign peptides presented by self-MHC molecules, and autoreactivity in the T compartment occasionally gives rise to autoimmune disease. Pathology from T-cell autoimmunity can manifest itself through radically different strategies, as we have observed recently in two transgenic models. In the BDC2.5 diabetes model, T cells express a transgene-encoded T-cell receptor (TCR) with reactivity against a pancreatic antigen. This leads to a massive, if often controlled, infiltration of the pancreatic islets. Target cell destruction then results from the local consequences of this local immune/inflammatory process. On the other hand, the arthritic manifestations of the KRN transgenic model are indirect: the transgenic TCR confers a broad autoreactivity, through which T cells stimulate B cells to produce arthritogenic immunoglobulins. These molecules are then sufficient to produce the disease, even in the complete absence of any lymphocytes. Although important questions subsist in this model--how the KRN T cells interfere with B-cell tolerance, what the target of arthritogenic IgG is--its implication is that an isolated T-cell dysregulation may manifest itself through an Ig-mediated disease. |
