From HPO
Myalgia- MedGen UID:
- 68541
- •Concept ID:
- C0231528
- •
- Sign or Symptom
Pain in muscle.
Exercise intolerance- MedGen UID:
- 603270
- •Concept ID:
- C0424551
- •
- Finding
A functional motor deficit where individuals whose responses to the challenges of exercise fail to achieve levels considered normal for their age and gender.
Gait disturbance- MedGen UID:
- 107895
- •Concept ID:
- C0575081
- •
- Finding
The term gait disturbance can refer to any disruption of the ability to walk.
Difficulty climbing stairs- MedGen UID:
- 68676
- •Concept ID:
- C0239067
- •
- Finding
Reduced ability to climb stairs.
Progressive muscle weakness- MedGen UID:
- 68704
- •Concept ID:
- C0240421
- •
- Finding
Ragged-red muscle fibers- MedGen UID:
- 477048
- •Concept ID:
- C3275417
- •
- Finding
An abnormal appearance of muscle fibers observed on muscle biopsy. Ragged red fibers can be visualized with Gomori trichrome staining as irregular and intensely red subsarcolemmal zones, whereas the normal myofibrils are green. The margins of affect fibers appear red and ragged. The ragged-red is due to the accumulation of abnormal mitochondria below the plasma membrane of the muscle fiber, leading to the appearance of a red rim and speckled sarcoplasm.
Cytochrome C oxidase-negative muscle fibers- MedGen UID:
- 867360
- •Concept ID:
- C4021724
- •
- Finding
An abnormally reduced activity of the enzyme cytochrome C oxidase in muscle tissue.
Elevated circulating creatine kinase concentration- MedGen UID:
- 69128
- •Concept ID:
- C0241005
- •
- Finding
An elevation of the level of the enzyme creatine kinase (also known as creatine phosphokinase (CK; EC 2.7.3.2) in the blood. CK levels can be elevated in a number of clinical disorders such as myocardial infarction, rhabdomyolysis, and muscular dystrophy.
Decreased activity of mitochondrial complex I- MedGen UID:
- 393796
- •Concept ID:
- C2677650
- •
- Finding
A reduction in the activity of the mitochondrial respiratory chain complex I, which is part of the electron transport chain in mitochondria.
Decreased activity of mitochondrial complex III- MedGen UID:
- 460434
- •Concept ID:
- C3149083
- •
- Finding
A reduction in the activity of the mitochondrial respiratory chain complex III, which is part of the electron transport chain in mitochondria.
Decreased activity of mitochondrial complex IV- MedGen UID:
- 866520
- •Concept ID:
- C4020800
- •
- Finding
A reduction in the activity of the mitochondrial respiratory chain complex IV, which is part of the electron transport chain in mitochondria.
Decreased activity of mitochondrial complex II- MedGen UID:
- 892305
- •Concept ID:
- C4024705
- •
- Finding
A reduction in the activity of the mitochondrial respiratory chain complex II, which is part of the electron transport chain in mitochondria.
- Abnormal cellular phenotype
- Abnormality of metabolism/homeostasis
- Abnormality of the musculoskeletal system
- Abnormality of the nervous system
- Constitutional symptom