The Protein Tyrosine Phosphatase Nonreceptor 22 (PTPN22) Is Associated With High GAD Antibody Titer in Latent Autoimmune Diabetes in Adults
Author(s) -
Antonio Petrone,
C Suraci,
Marco Capizzi,
Andrea Giaccari,
Emanuele Bosi,
Claudio Tiberti,
Efisio Cossu,
Paolo Pozzilli,
Alberto Falorni,
Raffaella Buzzetti
Publication year - 2008
Publication title -
diabetes care
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.636
H-Index - 363
eISSN - 1935-5548
pISSN - 0149-5992
DOI - 10.2337/dc07-1457
Subject(s) - medicine , ptpn22 , diabetes mellitus , autoimmune diabetes , protein tyrosine phosphatase , antibody , titer , autoimmunity , immunology , endocrinology , genetics , genotype , receptor , biology , gene , single nucleotide polymorphism
We previously demonstrated the presence of two different populations among individuals with adult-onset autoimmune diabetes: those having either a high titer or a low titer of antibodies to GAD (GADAs). Protein tyrosine phosphatase nonreceptor type 22 (PTPN22) has been identified as a new susceptibility gene for type 1 diabetes and other autoimmune diseases. The aim of the present study was to evaluate whether the phenotypic heterogeneity of adult-onset autoimmune diabetes based on the GADA titer is associated with the PTPN22 C1858T polymorphism.
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