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A very mild phenotype in six individuals of a three-generation family with the novel HRAS variant c.176C > G p.(Ala59Gly): Emergence of a new HRAS-related RASopathy distinct from Costello syndrome

Date

Date

Date
2023
Journal Article
Published version

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Frey, T., Ivanovski, I., Bahr, A., Zweier, M., Laube, J., Luchsinger, I., Steindl, K., & Rauch, A. (2023). A very mild phenotype in six individuals of a three-generation family with the novel HRAS variant c.176C > G p.(Ala59Gly): Emergence of a new HRAS-related RASopathy distinct from Costello syndrome. American Journal of Medical Genetics. Part A, 191, 2074–2082. https://doi.org/10.1002/ajmg.a.63240

Abstract

Abstract

Abstract

Costello syndrome is a clinically recognizable, severe neurodevelopmental disorder caused by heterozygous activating variants in HRAS. The vast majority of affected patients share recurring variants affecting HRAS codons 12 and 13 and a relatively uniform phenotype. Here, we report the unique and attenuated phenotype of six individuals of an extended family affected by the HRAS variant c.176C>T p.(Ala59Gly), which, to our knowledge, has never been reported as a germline variant in patients so far. HRAS Alanine 59 has been previously f

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5 since deposited on 2023-05-23
Acq. date: 2025-11-12

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2 since deposited on 2023-05-23
Acq. date: 2025-11-12

Additional indexing

Creators (Authors)

Journal/Series Title

Journal/Series Title

Journal/Series Title

Volume

Volume

Volume
191

Number

Number

Number
8

Page range/Item number

Page range/Item number

Page range/Item number
2074

Page end

Page end

Page end
2082

Item Type

Item Type

Item Type
Journal Article

Dewey Decimal Classifikation

Dewey Decimal Classifikation

Dewey Decimal Classifikation

Keywords

Genetics (clinical), attenuated phenotype, Costello syndrome, HRAS, HRAS-related RASopathy, loose anagen hair, p.Ala59Gly, RASopathy

Language

Language

Language
English

Publication date

Publication date

Publication date
2023-08

Date available

Date available

Date available
2023-05-23

Publisher

Publisher

Publisher

ISSN or e-ISSN

ISSN or e-ISSN

ISSN or e-ISSN
1552-4825

Additional Information

Additional Information

Additional Information
DATA AVAILABILITY STATEMENT Data sharing is not applicable to this article as no new data were created or analyzed in this study. The familial HRAS variant was submitted to ClinVar (SCV002818457, held until published).

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OA Status

OA Status
Hybrid

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Free Access at
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PubMed ID

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Downloads

5 since deposited on 2023-05-23
Acq. date: 2025-11-12

Views

2 since deposited on 2023-05-23
Acq. date: 2025-11-12

Citations

Citation copied

Frey, T., Ivanovski, I., Bahr, A., Zweier, M., Laube, J., Luchsinger, I., Steindl, K., & Rauch, A. (2023). A very mild phenotype in six individuals of a three-generation family with the novel HRAS variant c.176C > G p.(Ala59Gly): Emergence of a new HRAS-related RASopathy distinct from Costello syndrome. American Journal of Medical Genetics. Part A, 191, 2074–2082. https://doi.org/10.1002/ajmg.a.63240

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