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Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Front+Endocrinol+(Lausanne) 2017 ; 8 (ä): ä Nephropedia Template TP
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Type I Interferon Is a Catastrophic Feature of the Diabetic Islet Microenvironment #MMPMID28959234
Newby BN; Mathews CE
Front Endocrinol (Lausanne) 2017[]; 8 (ä): ä PMID28959234show ga
A detailed understanding of the molecular pathways and cellular interactions that result in islet beta cell (? cell) destruction is essential for the development and implementation of effective therapies for prevention or reversal of type 1 diabetes (T1D). However, events that define the pathogenesis of human T1D have remained elusive. This gap in our knowledge results from the complex interaction between genetics, the immune system, and environmental factors that precipitate T1D in humans. A link between genetics, the immune system, and environmental factors are type 1 interferons (T1-IFNs). These cytokines are well known for inducing antiviral factors that limit infection by regulating innate and adaptive immune responses. Further, several T1D genetic risk loci are within genes that link innate and adaptive immune cell responses to T1-IFN. An additional clue that links T1-IFN to T1D is that these cytokines are a known constituent of the autoinflammatory milieu within the pancreas of patients with T1D. The presence of IFN?/? is correlated with characteristic MHC class I (MHC-I) hyperexpression found in the islets of patients with T1D, suggesting that T1-IFNs modulate the cross-talk between autoreactive cytotoxic CD8+ T lymphocytes and insulin-producing pancreatic ? cells. Here, we review the evidence supporting the diabetogenic potential of T1-IFN in the islet microenvironment.