Cholinergic neuromuscular hyperactivity in patients with myasthenia gravis seropositive for MuSK antibody
- PMID: 16453324
- DOI: 10.1002/mus.20515
Cholinergic neuromuscular hyperactivity in patients with myasthenia gravis seropositive for MuSK antibody
Abstract
A 75-year-old man with severe oculobulbar myasthenia gravis (MG) treated with acetylcholine esterase inhibitors (AChEIs) was found to have muscle-specific tyrosine kinase (MuSK) antibodies. Neurophysiological examination displayed extra repetitive discharges after the compound motor action potential (CMAP) at low-frequency stimulation, possibly triggered by AChEI. This indicates an abnormal sensitivity to acetylcholine in patients with MuSK antibodies and may be a useful indicator of the adverse effect of AChEI treatment in these patients.
Similar articles
-
Neurophysiological and mitochondrial abnormalities in MuSK antibody seropositive myasthenia gravis compared to other immunological subtypes.Clin Neurophysiol. 2006 Jul;117(7):1434-43. doi: 10.1016/j.clinph.2006.03.028. Epub 2006 Jun 5. Clin Neurophysiol. 2006. PMID: 16737845
-
Musk-antibody positive myasthenia gravis presenting with isolated neck extensor weakness.Neuromuscul Disord. 2007 Jul;17(7):544-6. doi: 10.1016/j.nmd.2007.03.007. Epub 2007 May 29. Neuromuscul Disord. 2007. PMID: 17533129
-
Anti-MuSK patient antibodies disrupt the mouse neuromuscular junction.Ann Neurol. 2008 Jun;63(6):782-9. doi: 10.1002/ana.21371. Ann Neurol. 2008. PMID: 18384168
-
Autoimmune myasthenia gravis in childhood.Semin Neurol. 2004 Mar;24(1):101-10. doi: 10.1055/s-2004-829591. Semin Neurol. 2004. PMID: 15229797 Review.
-
Acetylcholinesterase inhibitors in MG: to be or not to be?Muscle Nerve. 2009 Jun;39(6):724-8. doi: 10.1002/mus.21319. Muscle Nerve. 2009. PMID: 19260048 Review.
Cited by
-
Myasthenia Gravis: From the Viewpoint of Pathogenicity Focusing on Acetylcholine Receptor Clustering, Trans-Synaptic Homeostasis and Synaptic Stability.Front Mol Neurosci. 2020 May 28;13:86. doi: 10.3389/fnmol.2020.00086. eCollection 2020. Front Mol Neurosci. 2020. PMID: 32547365 Free PMC article.
-
Treatment of myasthenia gravis: focus on pyridostigmine.Clin Drug Investig. 2011 Oct 1;31(10):691-701. doi: 10.2165/11593300-000000000-00000. Clin Drug Investig. 2011. PMID: 21815707 Review.
-
Juvenile myasthenia gravis: a paediatric perspective.Autoimmune Dis. 2011;2011:404101. doi: 10.4061/2011/404101. Epub 2011 Nov 1. Autoimmune Dis. 2011. PMID: 22110902 Free PMC article.
-
Clinical and Electrophysiologic Responses to Acetylcholinesterase Inhibitors in MuSK-Antibody-Positive Myasthenia Gravis: Evidence for Cholinergic Neuromuscular Hyperactivity.J Clin Neurol. 2014 Apr;10(2):119-24. doi: 10.3988/jcn.2014.10.2.119. Epub 2014 Apr 23. J Clin Neurol. 2014. PMID: 24829597 Free PMC article.
-
Clinical Significance of Repetitive Compound Muscle Action Potentials in Patients with Myasthenia Gravis: A Predictor for Cholinergic Side Effects of Acetylcholinesterase Inhibitors.J Clin Neurol. 2016 Oct;12(4):482-488. doi: 10.3988/jcn.2016.12.4.482. J Clin Neurol. 2016. PMID: 27819419 Free PMC article.
Publication types
MeSH terms
Substances
LinkOut - more resources
Full Text Sources
Medical