1
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Singh A, Gorell ES, Lucky AW. Topical everolimus therapy for epidermal nevi associated with woolly hair nevus in a patient with a mosaic HRAS mutation. Pediatr Dermatol 2024. [PMID: 38558293 DOI: 10.1111/pde.15605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 03/01/2024] [Indexed: 04/04/2024]
Abstract
A patient with woolly hair nevus syndrome, presented with epidermal facial nevi by the age of 12 years. Despite transient improvement with topical 1% sirolimus cream, the facial nevus grew larger. The patient was then treated with topical 1% everolimus cream resulting in a reduction in the size of the nevus. This case highlights a novel use of topical 1% everolimus cream, which previously has not been used to treat epidermal nevi.
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Affiliation(s)
- Akaljot Singh
- Center for Stem Cell and Organoid Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Emily S Gorell
- Division of Dermatology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Anne W Lucky
- Division of Dermatology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
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2
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March-Rodriguez A, Escolà H, Lobato-Berezo A, Curto-Barredo L, Pujol RM. Woolly hair nevus type 1 caused by somatic HRAS p.A59T mutation. Int J Dermatol 2024; 63:135-136. [PMID: 38013513 DOI: 10.1111/ijd.16935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/17/2023] [Accepted: 11/14/2023] [Indexed: 11/29/2023]
Affiliation(s)
| | - Helena Escolà
- Department of Dermatology, Hospital del Mar, Barcelona, Spain
| | | | | | - Ramon M Pujol
- Department of Dermatology, Hospital del Mar, Barcelona, Spain
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3
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Ono H, Yamaguchi R, Arai M, Togi S, Ura H, Niida Y, Shimizu A. Schimmelpenning-Feuerstein-Mims syndrome induced by HRAS Gly12Ser somatic mosaic mutation: Case report and literature review. J Dermatol 2023; 50:1213-1215. [PMID: 37170693 DOI: 10.1111/1346-8138.16822] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/29/2023] [Accepted: 04/23/2023] [Indexed: 05/13/2023]
Abstract
Schimmelpenning-Feuerstein-Mims syndrome (SFMS), an epidermal nevus disease, features skin lesions including craniofacial nevus sebaceous and extracutaneous anomalies (e.g. brain, eye, and bone). Recent genetic studies implicate HRAS, KRAS, and NRAS genes in somatic mutations. Our case, a 48-year-old man, presented with nevus sebaceous on the scalp; pigmented skin lesions on the right side of his neck, back, and chest along the Blaschko lines; a history of epilepsy; and mild intellectual disability. Accordingly, SFMS was suspected. DNA analysis of nevus sebaceous skin and peripheral blood leukocytes showed a pathogenic HRAS variant NM_005343.4:c.34G > A p.(Gly12Ser) in biopsy specimens from different skin layers but not blood, indicating somatic mosaic mutation. Until now, the HRAS p.(Gly12Ser) mutation has been reported in somatic RASopathies but not SFMS. The authors report this mutation in a case of SFMS, review another 15 cases of SFMS, and discuss HRAS c.34G > A p.(Gly12Ser) somatic mutations. RAS mutations of somatic RASopathies share activating hotspot mutations found in cancers, and produce different phenotypes depending on the developmental stage at which the somatic mutations occur.
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Affiliation(s)
- Hiroto Ono
- Department of Dermatology, Kanazawa Medical University, Uchinada, Japan
| | - Reimon Yamaguchi
- Department of Dermatology, Kanazawa Medical University, Uchinada, Japan
| | | | - Sumihito Togi
- Center for Clinical Genomics, Kanazawa Medical University, Uchinada, Japan
| | - Hiroki Ura
- Center for Clinical Genomics, Kanazawa Medical University, Uchinada, Japan
| | - Yo Niida
- Center for Clinical Genomics, Kanazawa Medical University, Uchinada, Japan
| | - Akira Shimizu
- Department of Dermatology, Kanazawa Medical University, Uchinada, Japan
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Zuntini R, Cattani C, Pedace L, Miele E, Caraffi SG, Gardini S, Ficarelli E, Pizzi S, Radio FC, Barone A, Piana S, Bertolini P, Corradi D, Marinelli M, Longo C, Motolese A, Zuffardi O, Tartaglia M, Garavelli L. Case Report: Sequential postzygotic HRAS mutation and gains of the paternal chromosome 11 carrying the mutated allele in a patient with epidermal nevus and rhabdomyosarcoma: evidence of a multiple-hit mechanism involving HRAS in oncogenic transformation. Front Genet 2023; 14:1231434. [PMID: 37636262 PMCID: PMC10447906 DOI: 10.3389/fgene.2023.1231434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/01/2023] [Indexed: 08/29/2023] Open
Abstract
We report a 7-year-old boy born with epidermal nevi (EN) arranged according to Blaschko's lines involving the face and head, right upper limb, chest, and left lower limb, who developed a left paratesticular embryonal rhabdomyosarcoma at 18 months of age. Parallel sequencing identified a gain-of-function variant (c.37G>C, p.Gly13Arg) of HRAS in both epidermal nevus and tumor but not in leukocytes or buccal mucosal epithelial cells, indicating its postzygotic origin. The variant accounted for 33% and 92% of the total reads in the nevus and tumor DNA specimens, respectively, supporting additional somatic hits in the latter. DNA methylation (DNAm) profiling of the tumor documented a signature consistent with embryonal rhabdomyosarcoma and CNV array analysis inferred from the DNAm arrays and subsequent MLPA analysis demonstrated copy number gains of the entire paternal chromosome 11 carrying the mutated HRAS allele, likely as the result of paternal unidisomy followed by subsequent gain(s) of the paternal chromosome in the tumor. Other structural rearrangements were observed in the tumours, while no additional pathogenic variants affecting genes with role in the RAS-MAPK and PI3K-AKT-MTOR pathways were identified. Our findings provide further evidence of the contribution of "gene dosage" to the multistep process driving cell transformation associated with hyperactive HRAS function.
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Affiliation(s)
- Roberta Zuntini
- Medical Genetics Unit, Azienda USL, IRCCS, Arcispedale Santa Maria Nuova, Reggio Emilia, Italy
| | - Chiara Cattani
- Medical Genetics Unit, Azienda USL, IRCCS, Arcispedale Santa Maria Nuova, Reggio Emilia, Italy
| | - Lucia Pedace
- Department of Pediatric Hematology, Oncology and Cellular and Gene Therapy, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Evelina Miele
- Department of Pediatric Hematology, Oncology and Cellular and Gene Therapy, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | | | - Stefano Gardini
- Dermatology Unit, Azienda USL, IRCCS, Arcispedale Santa Maria Nuova, Reggio Emilia, Italy
| | - Elena Ficarelli
- Dermatology Unit, Azienda USL, IRCCS, Arcispedale Santa Maria Nuova, Reggio Emilia, Italy
| | - Simone Pizzi
- Molecular Genetics and Functional Genomics Research Unit, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Francesca Clementina Radio
- Molecular Genetics and Functional Genomics Research Unit, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Angelica Barone
- Paediatric Hematology Oncology Unit, University Hospital of Parma, Parma, Italy
| | - Simonetta Piana
- Department of Oncology and Advanced Technologies, Pathology Unit, Azienda USL, IRCCS, Arcispedale S Maria Nuova, Reggio Emilia, Italy
| | - Patrizia Bertolini
- Paediatric Hematology Oncology Unit, University Hospital of Parma, Parma, Italy
| | - Domenico Corradi
- Department of Medicine and Surgery, Unit of Pathology, University of Parma, Parma, Italy
| | - Maria Marinelli
- Medical Genetics Unit, Azienda USL, IRCCS, Arcispedale Santa Maria Nuova, Reggio Emilia, Italy
| | - Caterina Longo
- Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy
- Department of Oncology and Advanced Technologies, Unit of Dermatology, Azienda USL, IRCCS, Arcispedale S Maria Nuova, Reggio Emilia, Italy
| | - Alberico Motolese
- Dermatology Unit, Azienda USL, IRCCS, Arcispedale Santa Maria Nuova, Reggio Emilia, Italy
| | - Orsetta Zuffardi
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Marco Tartaglia
- Molecular Genetics and Functional Genomics Research Unit, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Livia Garavelli
- Medical Genetics Unit, Azienda USL, IRCCS, Arcispedale Santa Maria Nuova, Reggio Emilia, Italy
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Liang J, Guo Y, Lu Z, Yu H, Wu L, Yao Z. Woolly hair nevus caused by somatic mutation and Costello syndrome caused by germline mutation in HRAS: Consider parental mosaicism in prenatal counseling. J Dermatol 2021; 49:161-164. [PMID: 34601768 DOI: 10.1111/1346-8138.16177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 08/31/2021] [Accepted: 09/15/2021] [Indexed: 11/27/2022]
Abstract
Germline mutations in HRAS cause Costello syndrome (CS), while mosaic mutations in HRAS show a variability of phenotypes, ranging from mild features such as keratinocytic epidermal nevus (KEN), sebaceous nevus (SN), woolly hair nevus (WHN) with KEN, to severe manifestations of CS with cutis laxa. We report two individuals. The first was a 2-year-old boy with woolly hair nevus (WHN) without any other cutaneous involvement, in whom somatic HRAS mutation (c.34G>A; p.Gly12Ser) was identified in his affected scalp and hair follicle specimens. This is the first reported WHN type 1 (no cutaneous involvement) patient caused by somatic HRAS mutation. The other individual was a 12-year-old girl with CS caused by germline HRAS mutation (c.34G>A), that manifested with coarse face, palmoplantar keratoderma, deep palmar and plantar creases, hyperpigmented patches, asymmetry and deformity of lower limbs, atopic dermatitis, as well as mental retardation. Of note, a linear hyperpigmented plaque was observed in her father's lumbosacral region. Although the father refused to provide semen and skin tissue for further examination, this reminds us of possible mosaicism in parents of individuals with germline de novo HRAS mutation and underlines the importance of parental evaluation for prenatal counseling.
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Affiliation(s)
- Jianying Liang
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yifeng Guo
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Zhiyong Lu
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Hong Yu
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Liangcai Wu
- Department of Dermatology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhirong Yao
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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6
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Bou-Boluda L, Matellanes-Palacios M, Dios-Guillán V, Pont-Sanjuán V, Millán-Parrilla F. Curly Hair Patches in a Toddler. J Pediatr 2021; 234:278-279. [PMID: 33781777 DOI: 10.1016/j.jpeds.2021.03.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 03/23/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Laia Bou-Boluda
- Department of Dermatology, Hospital Arnau de Vilanova, Valencia, Spain
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7
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Nishihara K, Tohyama M, Kubo A. A case of woolly hair nevus, multiple linear pigmentation, and epidermal nevi with somatic HRAS p.G12S mutation. Pediatr Dermatol 2019; 36:368-371. [PMID: 30864170 PMCID: PMC6593414 DOI: 10.1111/pde.13783] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Woolly hair nevus is a rare syndrome that presents as woolly hair in restricted areas of the scalp and may be associated with pigmented macules or epidermal nevus on the body. Here, we report a case of woolly hair nevus, linear pigmentation, and multiple epidermal nevi with a somatic HRAS c.34G>A(p.G12S) mutation.
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Affiliation(s)
- Katsuhiko Nishihara
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon, Ehime, Japan
| | - Mikiko Tohyama
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon, Ehime, Japan
| | - Akiharu Kubo
- Department of Biochemistry, Keio University School of Medicine, Tokyo, Japan
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