Gene Symbol: TTPA
OMIM: 600415Chromosome location: 8q12.3
Related informations:  
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Phenotype: |    Ataxia with isolated vitamin E deficiency |
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Dna Change: |    c.744delA |
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Protein Change: |    p.Glu249AsnfsX15 |
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Mutation Type: |    Deletion |
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Mutation Effect: |    Frameshift |
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Location: |    exon 5 |
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Transcript: |    NM_000370.3 |
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Population | Ethnic Group | Region | Mutation Frquency | Coalescence Time | Reference |
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Morocco | NA | NA | 3 families | NA | Ouahchi 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 |
Tunisia | NA | NA | 91.7% of the patients were homozygous (121/132 patients) | NA | El 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 |
Tunisia | NA | NA | 5 families | NA | Ouahchi 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