Interactions between B-lymphocytes and Type 1 NKT cells in autoimmune diabetes
Dufour, Francois D., Baxter, Alan G., and Silveira, Pablo A. (2008) Interactions between B-lymphocytes and Type 1 NKT cells in autoimmune diabetes. Journal of Immunotoxicology, 5 (2). pp. 249-257.
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Type 1 diabetes is one of the most prevalent autoimmune conditions that develops during childhood and has an increasing incidence worldwide. The disease results from the destruction of pancreatic β cells mediated by autoreactive T-lymphocytes. In order to develop preventive therapies, the cellular mechanisms responsible for the generation and activation of β cell-specific T-lymphocytes need to be characterized. Recent studies in the NOD mouse model of autoimmune diabetes suggest that the MHC Class II presentation of β cell-derived antigens by B-lymphocytes could support the development and activity of autoreactive CD4+ T-lymphocytes in this disease. Interestingly, B-lymphocytes are also the most frequent antigen presenting cells expressing the MHC Class I like molecule, CD1d, the restriction molecule responsible for presentation of lipid and glycolipid antigens to Type 1 NKT cells. Splenic marginal zone B-lymphocytes, which express CD1d at particularly high levels, seem poised to signal to Type 1 NKT cells. In contrast to the disease-promoting role of conventional CD4+ T-lymphocytes, several lines of evidence have shown that Type 1 NKT cells are involved in the prevention of Type 1 Diabetes. This review will analyze current knowledge on the roles of B-lymphocytes and Type 1 NKT cells in the onset of Type 1 Diabetes and explore possible outcomes of their interactions in relation to disease.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||B-lymphocytes; Type I NKT cells; autoimmune diabetes|
|FoR Codes:||11 MEDICAL AND HEALTH SCIENCES > 1107 Immunology > 110704 Cellular Immunology @ 100%|
|SEO Codes:||92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920108 Immune System and Allergy @ 100%|
|Deposited On:||11 Feb 2010 10:59|
|Last Modified:||18 Oct 2013 00:49|
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