Table 3.
Publication | Goebel et al. [31] | Gilsanz et al. [32] | Magnani et al. [33] | Kanno et al. [3] | Koralkova et al. [14] |
Hemolytic anemia | + | + | + | + | + |
Additional findings | Dysmorphic findings |
Dysmorphic findings Mild MR Short stature Hearing problem |
Hypertonia and opisthotonos DTR↓ Psychomotor retardation HSM |
IUGR Periventricular leucomalacia |
Psychomotor retardation Epilepsy (CNS bleeding?) |
Hexokinase deficiency | + | + | +a | +a | + |
HK1 variant & Inheritance | ? | ? | ? |
c.493-481_1028+454del & AR |
c.278 A > G (p.(Arg94Gln)) & AR |
MR mental retardation, DTR deep tendon reflex, HSM hepatosplenomegaly, IUGR intrauterine growth retardation, CNS central nervous system, AR autosomal recessive
Variants are numbered according to NM_033496.2
aThese patients’ heterozygous parents also had diminished hexokinase activity without any phenotypic manifestation