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Article

A Novel PRPS1 Mutation in a Japanese Patient with CMTX5.

Internal medicine (Tokyo, Japan) - 1 Jun 2022

Shirakawa Shunichi, Murakami Tatsufumi, Hashiguchi Akihiro, Takashima Hiroshi, Hasegawa Hiroshi, Ichida Kimiyoshi, Sunada Yoshihide

Abstract excerpt

The PRPS1 gene encodes phosphoribosyl pyrophosphate synthetase 1 (PRS-1). The phenotypes associated with PRPS1 mutations include DFN2 (mild PRS-1 deficiency), X-linked Charcot-Marie-Tooth disease type 5 (CMTX5) (moderate PRS-1 deficiency), Arts syndrome (severe PRS-1 deficiency), and PRS-1 superactivity1. CMTX5 is a very rare hereditary neuropathy characterized by deafness, optic atrophy, and polyneuropathy. We...

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Identifiers

PMID: 34803094
DOI: 10.2169/internalmedicine.8029-21
PMCID: PMC9259300

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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