Experimental Autoimmune Autonomic Neuropathy

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter presents the experimental autoimmune autonomic neuropathy (EAAN) in an animal as a model. An animal model of this disorder, EAAN, can be induced in rabbits by immunization with the ganglionic acetylcholine receptor (AChR). Rabbits with EAAN manifest symptoms of autonomic failure similar to those seen in patients. Histologic and electrophysiologic studies of EAAN indicate that this autoimmune form of autonomic neuropathy is caused by an immune-mediated impairment in ganglionic synaptic transmission. EAAN recapitulates the clinical phenotype of human autoimmune autonomic neuropathy (AAN). Rabbits producing high levels of ganglionic acetylcholine receptor (AChR) antibody develop gastrointestinal dysmotility and fail to gain weight because of reduced food intake. Gastroparesis and impaired intestinal motility are evident by fluoroscopy and examination of the gut at autopsy. Severe parasympathetic dysfunction manifests as dilated and poorly responsive pupils, decreased lacrimation, reduced heart rate variability, and dilated bladder. EAAN rabbits also have reduced levels of plasma catecholamines indicating reduced sympathetic tone. As in patients with AAN, the severity of autonomic disturbances is greater in rabbits with greater antibody levels. Individual measures of autonomic function in EAAN rabbits also correlate with antibody level.

Original languageEnglish (US)
Title of host publicationPrimer on the Autonomic Nervous System: Second Edition
PublisherElsevier Inc.
Pages208-210
Number of pages3
ISBN (Print)9780080473963, 9780125897624
DOIs
StatePublished - May 5 2004

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Experimental Autoimmune Neuritis
Rabbits
Cholinergic Receptors
Antibodies
Gastroparesis
Gastrointestinal Motility
Fluoroscopy
Pupil
Synaptic Transmission
Weight Gain
Catecholamines
Autopsy
Immunization
Urinary Bladder
Animal Models
Eating
Heart Rate
Phenotype

ASJC Scopus subject areas

  • Medicine(all)
  • Neuroscience(all)

Cite this

Vernino, S. (2004). Experimental Autoimmune Autonomic Neuropathy. In Primer on the Autonomic Nervous System: Second Edition (pp. 208-210). Elsevier Inc.. https://doi.org/10.1016/B978-012589762-4/50056-6

Experimental Autoimmune Autonomic Neuropathy. / Vernino, Steven.

Primer on the Autonomic Nervous System: Second Edition. Elsevier Inc., 2004. p. 208-210.

Research output: Chapter in Book/Report/Conference proceedingChapter

Vernino, S 2004, Experimental Autoimmune Autonomic Neuropathy. in Primer on the Autonomic Nervous System: Second Edition. Elsevier Inc., pp. 208-210. https://doi.org/10.1016/B978-012589762-4/50056-6
Vernino S. Experimental Autoimmune Autonomic Neuropathy. In Primer on the Autonomic Nervous System: Second Edition. Elsevier Inc. 2004. p. 208-210 https://doi.org/10.1016/B978-012589762-4/50056-6
Vernino, Steven. / Experimental Autoimmune Autonomic Neuropathy. Primer on the Autonomic Nervous System: Second Edition. Elsevier Inc., 2004. pp. 208-210
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