منابع مشابه
The neuromuscular junction disorders.
Neuromuscular junction (NMJ) disorders result from destruction, malfunction or absence of one or more key proteins involved in neuromuscular transmission, illustrated diagrammatically in fig 1. The most common pathology is antibody mediated damage or down regulation of ion channels or receptors, resulting in myasthenia gravis (MG), Lambert-Eaton myasthenic syndrome (LEMS), and acquired neuromyo...
متن کاملAutoimmune disorders of the neuromuscular junction.
The neuromuscular junction lies beyond the protection of the blood-brain barrier and is particularly vulnerable to antibody-mediated attack. In myasthenia gravis, the expression of acetylcholine receptors (AChRs) in the thymus is under the control of the autoimmune regulator protein (AIRE), and polymorphisms in the AChR correlate with early onset of disease. In some 'AChR seronegative' patients...
متن کاملMyasthenia gravis and other neuromuscular junction disorders.
Correspondence to: Dr Saiju Jacob, Department of Neurology, Queen Elizabeth Neurosciences Centre, University Hospitals of Birmingham, B15 2TH, UK; [email protected] Myasthenia gravis is the most common autoimmune disease affecting the neuromuscular junction and is characterised by painless fatigable muscle weakness. It is caused by autoantibodies against neuromuscular junction proteins, eithe...
متن کاملthe fourth iranian and the third joint french-iranian neuromuscular meeting on myopathies and neuromuscular junction disorders
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متن کاملThe Neuromuscular Junction
If such a nerve fiberwere to be directly joined to amuscle fiber of, say, 50μmin diameter, then as the propagating action potential reached the nerve–muscle junction, the local circuit current density set up in the muscle would be considerably reduced from that in the nerve. This reduction would occur because the nerve and muscle must have the same total current, a consequence of current conser...
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ژورنال
عنوان ژورنال: Journal of Neurology, Neurosurgery & Psychiatry
سال: 2003
ISSN: 0022-3050
DOI: 10.1136/jnnp.74.suppl_2.ii32