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Fifty years of pancreatic islet pathology in human type 1 diabetes: insights gained and progress made – published online 25/09/2018

Figure from paper

Noel G. Morgan, Sarah J. Richardson

It is a sobering statistic that, although millions of people worldwide live with type 1 diabetes, fewer than 600 pancreas samples have become available for the study of the pathology of the disease. Nevertheless, important progress has been made and, in this issue, Morgan and Richardson ( review the current understanding of pancreatic islet pathology. They consider the evidence that islets become inflamed during disease progression and discuss the different types of immune cell involved in this process, as well as how these cells may influence the rate and extent of beta cell loss. The importance of the peri-islet membrane as a barrier to immune cell infiltration is assessed and the notion that beta cells may contribute to their own demise by signalling to the immune system is explored. The authors suggest that type 1 diabetes is not a single disease and argue that this insight is critical to the targeted design of effective interventions. The figures from this review are available as a downloadable slideset.

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