D-GLYCERIC ACIDURA | |
D-GLYCERICACIDEMIA; D-GLYCERATE KINASE DEFICIENCY | |
220120
OMIM = Online Mendelian Inheritance of Men | |
941 | |
Glycerate kinase | |
2.7.1.31 | |
3p21.2 |
|
E74.8 | |
rare autosomal recessive mutation in the GLYCTK gene d-glycerate kinase deficiency (GK) is a benign disorder [Kalim A et al. 2017] d-glycerate kinase deficiency (GK) does not cause nonketotic hyperglycinemia (NKH) [Swanson MA et al.2017] | |
Laboratory findings | D-Glyceric acid inc (urine) D-Glyceric acid inc (serum) Glycine inc (urine) Glycine inc (plasma) |
Symptoms | Amino acids, plasma behavior, autism or autistic-like blindness, visual loss, visual impairment encephalopathy failure to thrive hearing defect, deafness hypotonia joint hypermobilty, dislocations, laxity mental retardation metabolic acidosis microcephaly (<2 SD for age) motor retardation no clinical symptoms (probably) onset, infancy onset, neonatal Organic acids, urine psychomotor retardation seizures spastic diplegia/quadriplegia/tetraplegia tachypnea, hyperpnea, dyspnea, hyperventilation tremor or twitching |