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Autoantibodies to Ganglionic Acetylcholine Receptors in Autoimmune Autonomic Neuropathies
NEJM 343:847-855, Verning,S. et al, 2000
See this aricle in Pubmed
Article Abstract
Ganglionic-receptor-binding antibodies were found in 19 of 46 patients with idiopathic or paraneoplastic autonomic neuropathy (41 percent), in 6 of 67 patients with postural tachycardia syndrome, idiopathic gastrointestinal dysmotility, or diabetic autonomic neuropathy (9 percent), and in non of 44 patients with other autonomic disorders. High levels of the binding antibodies correlated with more severe autonomic dysfunction (including the presence of tonic pupils). Levels of these antibodies decreased in patients who had clinical improvement. All seven patients with ganglionic-receptor-blocking antibodies had ganglionic-receptor-binding antibodies and had idiopathic or paraneoplastic autonomic neuropathy. Seropositivity for antibodies that bind to or block ganglionic acetylcholine receptor identifies patients with various forms of autoimmune autonomic neuropathy and distinguishes these disorders from other types of dysautonomia. The positive correlation between high levels of ganglionic-receptor antibodies and the severity of autonomic dysfunction suggests that the antibodies have a pathogenic role in these types of neuropathy.
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acetylcholine receptor antibody
acetylcholine receptor antibody,ganglionic
autoantibodies
autoimmune disease
autonomic dysfunction
autonomic neuropathy
autonomic neuropathy,idiopathic
neuropathy
neuropathy,etiologies of
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