Search
MELAS (Mitochondrial Encephalomyopathy, Lactic Acidosis & Stroke-like episodes) syndrome
Genetics:
- genetically heterogenous disorder
- associated with defects in MT-ND1, MT-ND4, MT-ND5, MT-ND6, MT-TL1
Clinical manifestations:
- episodic vomiting,
- seizures
- recurrent cerebral insults resembling strokes causing hemiparesis, hemianopsia, or cortical blindness
Laboratory:
- MT-ND1 gene mutation
- MT-ND4 gene mutation
- MT-ND5 gene mutation
- MT-ND6 gene mutation
- MT-TL1 gene mutation
Management:
1) specific treatment not available
2) limited success in some clinical trials with
a) Coenzyme Q10
b) riboflavin
c) vitamin C
d) vitamin K
Related
MELAS gene mutation
General
lipid metabolism, inborn error; lipid storage disease; lipidosis
metabolic brain disease
mitochondrial encephalomyopathy
Database Correlations
OMIM 540000
References
- Cotran et al Robbins Pathologic Basis of Disease,
5th ed. W.B. Saunders Co, Philadelphia, PA
1994 pg 1339
- Medical Knowledge Self Assessment Program (MKSAP) 11, American
College of Physicians, Philadelphia 1998