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===Myasthenia gravis (MG)===
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===[[Myasthenia Gravis]] (MG)===
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*'''Acquired'''
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**Autoimmune disease
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***Antibodies directed against acetyl choline receptors
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**Associated with [[Thymus neoplasia|thymomas]], [[Megaoesophagus|megaoesophagus]] and dysphagia
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**In adult dogs
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*'''Congenital'''
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**Inherited deficiency in acetyl choline receptors
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**Rare
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**Newfoundland, Jack Russel Terrier, Springer Spaniels – genetic predisposition
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**In dogs – 4 DLA genes recognized: DLA-12, DLA-88, DLA-79 and DLA-64
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**Associated with HLA gene in humans
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**No antibodies against acetyl choline receptors in serum
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**Non-specific muscle [[Muscles Degenerative - Pathology#Atrophy|disuse atrophy]] and fibrosis or no changes on histology
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*Both forms manifest as weakness which worsens on exercise
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[[Category:Muscles - Developmental Pathology]]
       
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