A complex homozygous mutation in ABHD12 responsible for PHARC syndrome discovered with NGS and review of the literature - Neuropathies et Innovations Thérapeutiques Accéder directement au contenu
Article Dans Une Revue Journal of the Peripheral Nervous System Année : 2017

A complex homozygous mutation in ABHD12 responsible for PHARC syndrome discovered with NGS and review of the literature

Résumé

PHARC syndrome (MIM612674) is an autosomal recessive neurodegenerative pathology that leads to demyelinating Polyneuropathy, Hearing loss, cerebellar Ataxia, Retinitis pigmentosa, and early-onset Cataracts (PHARC). These various symptoms can appear at different ages. PHARC syndrome is caused by mutations in ABHD12 (α-β hydrolase domain 12), of which several have been described. We report here a new complex homozygous mutation c.379_385delAACTACTinsGATTCCTTATATACCATTGTAGTCTTACTGCTTTTGGTGAACACA (p.Asn127Aspfs*23). This mutation was detected in a 36-year-old man, who presented neuropathic symptoms from the age of 15, using a next-generation sequencing panel. This result suggests that the involvement of ABHD12 in polyneuropathies is possibly underestimated. We then performed a comparative study of other patients presenting ABHD12 mutations and searched for genotype-phenotype correlations and functional explanations in this heterogeneous population.
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hal-03333716 , version 1 (03-09-2021)

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Justine Lerat, Pascal Cintas, Hélène Beauvais-Dzugan, Corinne Magdelaine, Franck Sturtz, et al.. A complex homozygous mutation in ABHD12 responsible for PHARC syndrome discovered with NGS and review of the literature. Journal of the Peripheral Nervous System, 2017, 22 (2), pp.77-84. ⟨10.1111/jns.12216⟩. ⟨hal-03333716⟩
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