METHYLMALONIC ACIDURIA AND HOMOCYSTINURIA, cblJ TYPE | |
614857
OMIM = Online Mendelian Inheritance of Men | |
369955 | |
ATP-binding cassette sub-family D member 4 | |
--- | |
11q24.3 |
|
E71.1 | |
rare (3 cases) autosomal recessive mutation in the ABCD4 gene | |
Laboratory findings | Betaine normal/inc (urine) Homocysteine inc (serum) Homocysteine inc (urine) Methylmalonic acid inc (serum) Methylmalonic acid inc (urine) |
Symptoms | anemia blindness, visual loss, visual impairment cerebral atrophy congenital heart defect developmental delay failure to thrive feeding difficulties, poor feeding hypotonia megaloblastic anemia cardiomyopathy cryptorchism lethargy, drowsiness, apathy liver involvement or dysfunction nystagmus onset, childhood onset, infancy onset, neonatal pulmonary hypertension retinopathy tachypnea, hyperpnea, dyspnea, hyperventilation |