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Hummel, M.* ; Williams, A.J.* ; Norcross, A.* ; Standl, E.* ; Bonifacio, E.* ; Ziegler, A.-G.* ; Bingley, P.J.*

Proinsulin-specific autoantibodies are relatively infrequent in young offspring with pre-type 1 diabetes.

Diabetes Care 24, 1843-1844 (2001)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Insulin is a β-cell–specific and pivotal autoantigen in type 1 diabetes (1) and is produced after proteolysis of its prohormone proinsulin, which is a potential target of autoimmunity. T-cell studies in the nonobese diabetic (NOD) mouse (2,3) and in prediabetic relatives of patients with type 1 diabetes (4,5) indicate the existence of proinsulin-specific immunodominant epitopes localized in the region between the C-peptide and the A-chain, whereas immune intervention with proinsulin in the NOD mouse can prevent diabetes onset. These studies have led to the proposal of proinsulin as a primary target of autoimmunity associated with type 1 diabetes. At the humoral level, proinsulin-specific autoantibodies have also been reported in humans (6,7). Our own data show, however, that proinsulin autoantibody (PAA) and insulin autoantibody (IAA) levels correlate well in newly diagnosed patients, but IAAs are more sensitive and specific for type 1 diabetes (7). Furthermore, IAA or PAA could be completely displaced with either insulin or …
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
ISSN (print) / ISBN 0149-5992
e-ISSN 1935-5548
Zeitschrift Diabetes Care
Quellenangaben Band: 24, Heft: 10, Seiten: 1843-1844 Artikelnummer: , Supplement: ,
Verlag American Diabetes Association
Verlagsort Alexandria, Va.
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Diabetes and Obesity (IDO)
Institute of Diabetes Research (IDF)
Institute of Pancreatic Islet Research (IPI)