Ataxia with vitamin E deficiency (AVED) is a rare autosomal recessive neurodegenerative disease, due to mutations in TTPA gene (Arita et al. in Biochem J 306(Pt. 2):437-443, 1995; Hentati et al. in Ann Neurol 39:295-300, 1996), which encodes for alpha-TTP, a cytosolic liver protein that is presumed to function in the intracellular transport of alpha-tocopherol. This disease is characterized clinically by symptoms with often striking resemblance to those of Friedreich ataxia. The neurological symptoms include ataxia, dysarthria, hyporeflexia, and decreased vibration sense, sometimes associated with cardiomyopathy and retinitis pigmentosa (Mariotti et al. in Neurol Sci 25:130-137, 2004). Vitamin E supplementation improves symptoms and prevents disease progress (Doria-Lamba et al. in Eur J Pediatr 165(7):494-495, 2006). Over 20 mutations have been identified in patients with AVED. In the present paper we summarize the recent findings on molecular genetic of this disease including the list of the known mutations.

DI DONATO, I., Bianchi, S., Federico, A. (2010). Ataxia with vitamin E deficiency: update of molecular diagnosis. NEUROLOGICAL SCIENCES, 31(4), 511-515 [10.1007/s10072-010-0261-1].

Ataxia with vitamin E deficiency: update of molecular diagnosis

DI DONATO I.;BIANCHI S.;FEDERICO A.
2010-01-01

Abstract

Ataxia with vitamin E deficiency (AVED) is a rare autosomal recessive neurodegenerative disease, due to mutations in TTPA gene (Arita et al. in Biochem J 306(Pt. 2):437-443, 1995; Hentati et al. in Ann Neurol 39:295-300, 1996), which encodes for alpha-TTP, a cytosolic liver protein that is presumed to function in the intracellular transport of alpha-tocopherol. This disease is characterized clinically by symptoms with often striking resemblance to those of Friedreich ataxia. The neurological symptoms include ataxia, dysarthria, hyporeflexia, and decreased vibration sense, sometimes associated with cardiomyopathy and retinitis pigmentosa (Mariotti et al. in Neurol Sci 25:130-137, 2004). Vitamin E supplementation improves symptoms and prevents disease progress (Doria-Lamba et al. in Eur J Pediatr 165(7):494-495, 2006). Over 20 mutations have been identified in patients with AVED. In the present paper we summarize the recent findings on molecular genetic of this disease including the list of the known mutations.
2010
DI DONATO, I., Bianchi, S., Federico, A. (2010). Ataxia with vitamin E deficiency: update of molecular diagnosis. NEUROLOGICAL SCIENCES, 31(4), 511-515 [10.1007/s10072-010-0261-1].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11365/26013
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