Phenotype: Ataxia with isolated vitamin E deficiency


OMIM: 277460
Inheritance: Autosomal recessive
Classification: Diseases of the nervous system

Related informations: Orphanet    Gene Tests    Clinical Synopsis    Clinical Trials

TTPA || c.744delA

Gene/Locus:    TTPA
Dna Change:    c.744delA
Protein Change:    p.Glu249AsnfsX15
Mutation Type:    Deletion
Mutation Effect:    Frameshift
Location:    exon 5
Transcript:    NM_000370.3

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
MoroccoNANA3 familiesNAOuahchi K et al., 1995Ouahchi K, Arita M, Kayden H, Hentati F, Ben Hamida M, Sokol R, Arai H, Inoue K, Mandel JL, Koenig M, . Ataxia with isolated vitamin E deficiency is caused by mutations in the alpha-tocopherol transfer protein.. Nat. Genet.. 1995; 9(2):141-5
TunisiaNANA91.7% of the patients were homozygous (121/132 patients)NAEl Euch-Fayache G et al., 2014El Euch-Fayache G, Bouhlal Y, Amouri R, Feki M, Hentati F, . Molecular, clinical and peripheral neuropathy study of Tunisian patients with ataxia with vitamin E deficiency.. Brain. 2014; 137(0):402-10
TunisiaNANA5 familiesNAOuahchi K et al., 1995Ouahchi K, Arita M, Kayden H, Hentati F, Ben Hamida M, Sokol R, Arai H, Inoue K, Mandel JL, Koenig M, . Ataxia with isolated vitamin E deficiency is caused by mutations in the alpha-tocopherol transfer protein.. Nat. Genet.. 1995; 9(2):141-5

References

El Euch-Fayache G, Bouhlal Y, Amouri R, Feki M, Hentati F, Molecular, clinical and peripheral neuropathy study of Tunisian patients with ataxia with vitamin E deficiency.Brain. 2014; 137(0):402-10

Ouahchi K, Arita M, Kayden H, Hentati F, Ben Hamida M, Sokol R, Arai H, Inoue K, Mandel JL, Koenig M, Ataxia with isolated vitamin E deficiency is caused by mutations in the alpha-tocopherol transfer protein.Nat. Genet.. 1995; 9(2):141-5