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Postsynaptic congenital myasthenic syndrome

ORPHA:98913Etiological subtypeAutosomal recessiveInfancy, Neonatal

Ассоциированные гены (16)

RAPSN
receptor associated protein of the synapse
Disease-causing germline mutation(s) in
OMIM: 601592
SCN4A
sodium voltage-gated channel alpha subunit 4
Disease-causing germline mutation(s) in
OMIM: 603967
CHRNA1
cholinergic receptor nicotinic alpha 1 subunit
Disease-causing germline mutation(s) (loss of function) in
OMIM: 100690
CHRNA1
cholinergic receptor nicotinic alpha 1 subunit
Disease-causing germline mutation(s) (gain of function) in
OMIM: 100690
CHRNB1
cholinergic receptor nicotinic beta 1 subunit
Disease-causing germline mutation(s) (loss of function) in
OMIM: 100710
CHRNB1
cholinergic receptor nicotinic beta 1 subunit
Disease-causing germline mutation(s) (gain of function) in
OMIM: 100710
CHRND
cholinergic receptor nicotinic delta subunit
Disease-causing germline mutation(s) (loss of function) in
OMIM: 100720
CHRND
cholinergic receptor nicotinic delta subunit
Disease-causing germline mutation(s) (gain of function) in
OMIM: 100720
CHRNE
cholinergic receptor nicotinic epsilon subunit
Disease-causing germline mutation(s) (loss of function) in
OMIM: 100725
CHRNE
cholinergic receptor nicotinic epsilon subunit
Disease-causing germline mutation(s) (gain of function) in
OMIM: 100725
DOK7
docking protein 7
Disease-causing germline mutation(s) in
OMIM: 610285
MUSK
muscle associated receptor tyrosine kinase
Disease-causing germline mutation(s) in
OMIM: 601296
LRP4
LDL receptor related protein 4
Disease-causing germline mutation(s) in
OMIM: 604270
AGRN
agrin
Disease-causing germline mutation(s) in
OMIM: 103320
AK9
adenylate kinase 9
Disease-causing germline mutation(s) in
OMIM: 615358
COL13A1
collagen type XIII alpha 1 chain
Disease-causing germline mutation(s) (loss of function) in
OMIM: 120350

Фенотипы (37)

Частый (30–79%)21
HP:0001324Muscle weakness
HP:0000218High palate
HP:0000496Abnormality of eye movement
HP:0000508Ptosis
HP:0000597Ophthalmoparesis
HP:0001315Reduced tendon reflexes
HP:0001446Abnormality of the musculature of the upper limbs
HP:0003202Skeletal muscle atrophy
HP:0003388Easy fatigability
HP:0003402Decreased miniature endplate potentials
HP:0003403EMG: decremental response of compound muscle action potential to repetitive nerve stimulation
HP:0003443Decreased size of nerve terminals
HP:0003458EMG: myopathic abnormalities
HP:0003484Upper limb muscle weakness
HP:0003547Shoulder girdle muscle weakness
HP:0003722Neck flexor weakness
HP:0003803Type 1 muscle fiber predominance
HP:0009005Weakness of the intrinsic hand muscles
HP:0010628Facial palsy
HP:0030199Fatigable weakness of neck muscles
HP:0410011Abnormality of masticatory muscle
Периодический (5–29%)16
HP:0000651Diplopia
HP:0000961Cyanosis
HP:0002091Restrictive ventilatory defect
HP:0002194Delayed gross motor development
HP:0002329Drowsiness
HP:0002650Scoliosis
HP:0002792Reduced vital capacity
HP:0002875Exertional dyspnea
HP:0002878Respiratory failure
HP:0005659Thoracic kyphoscoliosis
HP:0009077Weakness of long finger extensor muscles
HP:0012515Hip flexor weakness
HP:0012764Orthopnea
HP:0030196Fatigable weakness of respiratory muscles
HP:0031108Triceps weakness
HP:0031374Ankle weakness

Лекарства и терапия

Источник: Open Targets Platform (в реальном времени)

Клинические исследования

Источник: ClinicalTrials.gov (в реальном времени)

Внешние ресурсы