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首页> 外文期刊>Bulletin of the National Research Centre >A pigmentary manifestation associated with PPP2R5D-related neurodevelopmental disorder: a case report and review of literature
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A pigmentary manifestation associated with PPP2R5D-related neurodevelopmental disorder: a case report and review of literature

机译：A pigmentary manifestation associated with PPP2R5D-related neurodevelopmental disorder: a case report and review of literature

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Abstract Background The protein phosphatase 2 (PP2A) is one of the major serine/threonine phosphatases in humans. The most frequently reported pathogenic PP2A variants have been identified in PPP2R5D, encoding the regulatory subunit B’ delta, and are known to cause intellectual developmental disorder autosomal dominant 35 (MRD35).Case presentation Herein, we describe a unique case of a patient with a heterozygous pathogenic variant, c.592G>A/p.(Glu198Lys) in the PPP2R5D gene which was associated with hyperpigmented skin lesions arising from increased melanin production, known as Café-au-lait macules (CALMs). To our knowledge, this is the first reported case of a PPP2R5D-related neurodevelopmental disorder associated with CALMs.Conclusions Our findings suggest that the documentation and reporting of CALMs when associated with one or more physical and/or neurodevelopmental findings are of utmost importance as they could be indicative of an underreported phenotype and may extend the phenotypic spectrum of MRD35.

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