MERRF

MERRF (Myoclonic Epilepsy with Ragged Red Fibers) syndrome is a mitochondrial encephalomyopathy characterized by myoclonic seizures.



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Narrow down the case reports



Total: 1 (papers)

  


(per page)
Matched Phenotype  Gene  Mutation  MeSH
Rank
(Similarity)
PMID
(PMCID)
1
(4.0%)
6774061
Myoclonus epilepsy associated with ragged-red fibres (mitochondrial abnormalities ): disease entity or a syndrome? Light-and electron-microscopic studies of two cases and review of literature.
Fukuhara N, Tokiguchi S, Shirakawa K, Tsubaki T.
J Neurol Sci. 1980;47(1):117-33.
Ataxia
Adult Electron Microscopy Females Friedreich Ataxia Homo sapiens Lactates Mitochondria, Muscle Muscle Tissue Myoclonic Epilepsy Pyruvates Syndrome
        

Phenotype(s) retrieved from Orphanet

    Total: 11

HPO ID Term Frequency
HP:0000407 Sensorineural hearing impairment Very frequent (99-80%)
HP:0001251 Ataxia Very frequent (99-80%)
HP:0002123 Generalized myoclonic seizures Very frequent (99-80%)
HP:0003198 Myopathy Very frequent (99-80%)
HP:0003200 Ragged-red muscle fibers Very frequent (99-80%)
HP:0003457 EMG abnormality Very frequent (99-80%)
HP:0100022 Abnormality of movement Very frequent (99-80%)
HP:0000648 Optic atrophy Frequent (79-30%)
HP:0001012 Multiple lipomas Frequent (79-30%)
HP:0004322 Short stature Frequent (79-30%)
HP:0100543 Cognitive impairment Frequent (79-30%)


Phenotype(s) retrieved from case reports

    Total: 0

HPO ID Term # of case reports


Causative gene(s) retrieved from Orphanet

    Total: 10

Gene Symbol Gene Name Entrez Gene ID
MT-TP mitochondrially encoded tRNA-Pro (CCN) 4571
MT-ND5 mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 5 4540
MT-TL1 mitochondrially encoded tRNA-Leu (UUA/G) 1 4567
MT-TK mitochondrially encoded tRNA-Lys (AAA/G) 4566
MT-RNR1 mitochondrially encoded 12S rRNA 4549
MT-TQ mitochondrially encoded tRNA-Gln (CAA/G) 4572
MT-TH mitochondrially encoded tRNA-His (CAU/C) 4564
MT-TS1 mitochondrially encoded tRNA-Ser (UCN) 1 4574
MT-TS2 mitochondrially encoded tRNA-Ser (AGU/C) 2 4575
MT-TF mitochondrially encoded tRNA-Phe (UUU/C) 4558