V144D Mutation of SPTLC1 Can Present with Both Painful and Painless Phenotypes in Hereditary Sensory and Autonomic Neuropathies Type I

Hereditary sensory and autonomic neuropathy type I (HSAN I) is an autosomal dominant disease characterized by distal sensory loss, pain insensitivity, and autonomic disturbances. The major underlying causes of HSAN I are point mutations in the SPTLC1 gene. Patients with mutations in the SPTLC1 genes...

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Main Authors: Kwo Wei David Ho, Nivedita U. Jerath
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Case Reports in Genetics
Online Access:http://dx.doi.org/10.1155/2018/1898151
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author Kwo Wei David Ho
Nivedita U. Jerath
author_facet Kwo Wei David Ho
Nivedita U. Jerath
author_sort Kwo Wei David Ho
collection DOAJ
description Hereditary sensory and autonomic neuropathy type I (HSAN I) is an autosomal dominant disease characterized by distal sensory loss, pain insensitivity, and autonomic disturbances. The major underlying causes of HSAN I are point mutations in the SPTLC1 gene. Patients with mutations in the SPTLC1 genes typically exhibit dense sensory loss and incidence of lancinating pain. Although most of these mutations produce sensory loss, it is unclear which mutations would lead to the painful phenotype. In this case series, we report that the V144D mutation in SPTLC1 gene may relate to both painful and painless peripheral neuropathies. The unique clinical phenotype of this mutation may guide clinical workup and treatment for patients with painful and painless neuropathies.
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spelling doaj-art-a84e78bb138940fc9e708d9d944e474e2025-02-03T06:11:35ZengWileyCase Reports in Genetics2090-65442090-65522018-01-01201810.1155/2018/18981511898151V144D Mutation of SPTLC1 Can Present with Both Painful and Painless Phenotypes in Hereditary Sensory and Autonomic Neuropathies Type IKwo Wei David Ho0Nivedita U. Jerath1Department of Neurology, University of Florida, USADepartment of Neurology, University of Florida, USAHereditary sensory and autonomic neuropathy type I (HSAN I) is an autosomal dominant disease characterized by distal sensory loss, pain insensitivity, and autonomic disturbances. The major underlying causes of HSAN I are point mutations in the SPTLC1 gene. Patients with mutations in the SPTLC1 genes typically exhibit dense sensory loss and incidence of lancinating pain. Although most of these mutations produce sensory loss, it is unclear which mutations would lead to the painful phenotype. In this case series, we report that the V144D mutation in SPTLC1 gene may relate to both painful and painless peripheral neuropathies. The unique clinical phenotype of this mutation may guide clinical workup and treatment for patients with painful and painless neuropathies.http://dx.doi.org/10.1155/2018/1898151
spellingShingle Kwo Wei David Ho
Nivedita U. Jerath
V144D Mutation of SPTLC1 Can Present with Both Painful and Painless Phenotypes in Hereditary Sensory and Autonomic Neuropathies Type I
Case Reports in Genetics
title V144D Mutation of SPTLC1 Can Present with Both Painful and Painless Phenotypes in Hereditary Sensory and Autonomic Neuropathies Type I
title_full V144D Mutation of SPTLC1 Can Present with Both Painful and Painless Phenotypes in Hereditary Sensory and Autonomic Neuropathies Type I
title_fullStr V144D Mutation of SPTLC1 Can Present with Both Painful and Painless Phenotypes in Hereditary Sensory and Autonomic Neuropathies Type I
title_full_unstemmed V144D Mutation of SPTLC1 Can Present with Both Painful and Painless Phenotypes in Hereditary Sensory and Autonomic Neuropathies Type I
title_short V144D Mutation of SPTLC1 Can Present with Both Painful and Painless Phenotypes in Hereditary Sensory and Autonomic Neuropathies Type I
title_sort v144d mutation of sptlc1 can present with both painful and painless phenotypes in hereditary sensory and autonomic neuropathies type i
url http://dx.doi.org/10.1155/2018/1898151
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