Abstract:
:Indoleamine 2,3 dioxygenase-1 (IDO1) is a powerful immunoregulatory enzyme that is deficient in patients with type 1 diabetes (T1D). In this study, we present the first systematic evaluation of IDO1 expression and localization in human pancreatic tissue. Although IDO1 was constitutively expressed in β-cells from donors without diabetes, less IDO1 was expressed in insulin-containing islets from double autoantibody-positive donors and patients with recent-onset T1D, although it was virtually absent in insulin-deficient islets from donors with T1D. Scatter plot analysis suggested that IDO1 decay occurred in individuals with multiple autoantibodies, prior to β-cell demise. IDO1 impairment might therefore contribute to β-cell demise and could potentially emerge as a promising therapeutic target.
journal_name
Diabetesjournal_title
Diabetesauthors
Anquetil F,Mondanelli G,Gonzalez N,Rodriguez Calvo T,Zapardiel Gonzalo J,Krogvold L,Dahl-Jørgensen K,Van den Eynde B,Orabona C,Grohmann U,von Herrath MGdoi
10.2337/db17-1281subject
Has Abstractpub_date
2018-09-01 00:00:00pages
1858-1866issue
9eissn
0012-1797issn
1939-327Xpii
db17-1281journal_volume
67pub_type
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