| HP:0000006 | Autosomal dominant inheritance | "A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in heterozygotes. In the context of medical genetics, an autosomal dominant disorder is caused when a single copy of the mutant allele is present. Males and females are affected equally, and can both transmit the disorder with a risk of 50% for each child of inheriting the mutant allele." [HPO:curators] |
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| HP:0000508 | Ptosis | "Drooping of the eyelid." [HPO:curators] |
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| HP:0000590 | External ophthalmoplegia, progressive (PEO) | |
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| HP:0000833 | Glucose intolerance | |
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| HP:0001250 | Seizures | "Seizures are an intermittent `abnormality of the central nervous system` (FMA:HP:0002011) due to a sudden, excessive, disorderly discharge of cerebral neurons and characterized clinically by some combination of disturbance of sensation, loss of consciousness, impairment of psychic function, or convulsive movements." [HPO:probinson] |
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| HP:0001263 | Developmental retardation | "A delay in the achievement of motor or mental milestones manifested prior to age 18 and generally associated with lifelong mental and/or physical impairments." [HPO:curators] |
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| HP:0001272 | Cerebellar atrophy | |
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| HP:0001290 | Generalized hypotonia | "Generalized muscular hypotonia (abnormally low muscle tone)." [HPO:curators] |
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| HP:0001508 | Failure to thrive | |
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| HP:0002019 | Constipation | |
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| HP:0002020 | Gastroesophageal reflux | |
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| HP:0002151 | Increased serum lactate | "Abnormally increased level of blood lactate (2-hydroxypropanoic acid). Lactate is produced from pyruvate by lactate dehydrogenase during normal metabolism." [HPO:curators] |
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| HP:0002578 | Gastroparesis | |
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| HP:0002910 | Elevated transaminases | "Elevations of the levels of SGOT and SGPT in the serum. SGOT (serum glutamic oxaloacetic transaminase) and SGPT (serum glutamic pyruvic transaminase) are transaminases primarily found in the liver and heart and are released into the bloodstream as the result of liver or heart damage. SGOT and SGPT are used clinically mainly as markers of liver damage." [HPO:curators] |
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| HP:0003236 | Elevated serum creatine phosphokinase | |
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| HP:0003323 | Muscle weakness, progressive | |
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| HP:0003326 | Myalgia | "A tendency to experience muscle pain." [HPO:curators] |
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| HP:0003546 | Exercise intolerance | |
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| HP:0003581 | Onset in adulthood | |
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| HP:0003676 | Progressive disorder | |
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| HP:0003688 | Muscle biopsy shows decreased activity of cytochrome C oxidase | |
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| HP:0003689 | Muscle biopsy shows multiple mitochondrial DNA (mtDNA) deletions | |
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| HP:0003690 | Limb muscle weakness | "Weakness of the muscles of the arms and legs." [HPO:curators] |
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| HP:0003828 | Variable expressivity | |
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| HP:0010628 | Facial muscle weakness | "A weakness of any or all of the muscles of the face of any etiology." [HPO:curators] |
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| HP:0011675 | Arrhythmia | "Any cardiac rhythm other than the normal sinus rhythm. Such a rhythm may be either of sinus or ectopic origin and either regular or irregular. An arrhythmia may be due to a disturbance in impulse formation or conduction or both." [DDD:dbrown, pmid:19063792] |
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| HP:0100704 | Cortical visual impairment | "A form of loss of vision caused by damage to the visual cortex rather than a defect in the eye." [HPO:probinson] |
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