Autoantibodies to sympathetic ganglia, GAD, or tyrosine phosphatase in long-term IDDM with and without ECG-based cardiac autonomic neuropathy

Diabetes Care
D MuhrO Schnell

Abstract

To evaluate the association of autoantibodies to complement-fixing sympathetic ganglia (CF-SG), and tyrosine phosphatase (IA-2) with electrocardiogram (ECG)-based cardiac autonomic neuropathy (CAN) in long-term IDDM. We examined the prevalence of autoantibodies to CF-SG (by complement-fixing indirect immunoflourescence), GAD, and IA-2 (by radioligand assay) and islet cells (by indirect immunofluorescence) in 96 long-term IDDM patients (41 with ECG-based CAN, > or = 2 of 5 cardiac reflex tests abnormal; 55 without ECG-based CAN). As a control group, 89 healthy nondiabetic subjects were investigated. CF-SG autoantibodies were observed more frequently in long-term IDDM patients than in the control group (25 vs. 4%, P = 0.0001). Of the IDDM patients, 14 (34%) with CAN and 10 (18%) without CAN presented with CF-SG autoantibodies (P = 0.06). GAD or IA-2 autoantibodies were detected in 14 (34%) and 17 (41%) IDDM patients with CAN, compared with 24 (44%) and 29 (53%) IDDM patients without CAN (P = 0.2, P = 0.2). Islet cell antibodies were observed in 6 (15%) IDDM patients with and in 9 (16%) IDDM patients without CAN (P = 0.5). In long-term IDDM, the role of CF-SG autoantibodies, which tend to be more frequent in patients with ECG-base...Continue Reading

Citations

Feb 15, 2001·European Journal of Internal Medicine·N TentolourisN Katsilambros
May 17, 2002·Journal of Diabetes and Its Complications·Oliver SchnellEberhard Standl
Oct 30, 2013·Cardiovascular Diabetology·Oliver SchnellAntonio Ceriello
Dec 16, 1998·Current Opinion in Neurology·P A Low
Dec 16, 1998·Current Opinion in Neurology·G Comi, M Corbo
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Dec 19, 2014·Frontiers in Endocrinology·Alberto VerrottiFrancesco Chiarelli
Jan 8, 2017·Muscle & Nerve·Andrew McKeon, Jennifer A Tracy

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