LIPID STORAGE MYOPATHY DUE TO FLAVIN ADENINE DINUCLEOTIDE SYNTHETASE DEFICIENCY; LSMFLAD | |
255100
OMIM = Online Mendelian Inheritance of Men | |
FAD synthase | |
2.7.7.2 | |
1q21.3 |
|
rare autosomal recessive mutation in the FLAD1 gene FLAD1 variants as a cause of potentially treatable inborn errors of metabolism manifesting with MADD [Olsen RKJ et al. 2016] | |
Laboratory findings | Hexanoylglycine normal/inc (urine) 2-Methylsuccinic acid normal/inc (urine) Acylcarnitine (C2) inc (urine) Adipic acid normal/inc (urine) Creatine kinase inc (serum) Ethylmalonic acid inc (urine) Suberic acid normal/inc (urine) Tiglylglycine normal/inc (urine) |
Symptoms | tachykardia cardiac arrest cardiomyopathy cataract early death exercise intolerance feeding difficulties, poor feeding gait disturbance hypotonia infections (severe or recurrent) muscle weakness myopathy onset, adulthood onset, infancy respiratory insufficiency scoliosis speech difficulties swallowing difficulties tachykardia, paroxysmal |