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Koczkowska M, Callens T, Chen Y, Gomes A, Hicks AD, Sharp A, Johns E, Uhas KA, Armstrong L, Bosanko KA, Babovic‐Vuksanovic D, Baker L, Basel DG, Bengala M, Bennett JT, Chambers C, Clarkson LK, Clementi M, Cortés FM, Cunningham M, D'Agostino MD, Delatycki MB, Digilio MC, Dosa L, Esposito S, Fox S, Freckmann M, Fauth C, Giugliano T, Giustini S, Goetsch A, Goldberg Y, Greenwood RS, Griffis C, Gripp KW, Gupta P, Haan E, Hachen RK, Haygarth TL, Hernández‐Chico C, Hodge K, Hopkin RJ, Hudgins L, Janssens S, Keller K, Kelly‐Mancuso G, Kochhar A, Korf BR, Lewis AM, Liebelt J, Lichty A, Listernick RH, Lyons MJ, Maystadt I, Martinez Ojeda M, McDougall C, McGregor LK, Melis D, Mendelsohn N, Nowaczyk MJ, Ortenberg J, Panzer K, Pappas JG, Pierpont ME, Piluso G, Pinna V, Pivnick EK, Pond DA, Powell CM, Rogers C, Ruhrman Shahar N, Rutledge SL, Saletti V, Sandaradura SA, Santoro C, Schatz UA, Schreiber A, Scott DA, Sellars EA, Sheffer R, Siqveland E, Slopis JM, Smith R, Spalice A, Stockton DW, Streff H, Theos A, Tomlinson GE, Tran G, Trapane PL, Trevisson E, Ullrich NJ, Van den Ende J, Schrier Vergano SA, Wallace SE, Wangler MF, Weaver DD, Yohay KH, Zackai E, Zonana J, Zurcher V, Claes KBM, Eoli M, Martin Y, Wimmer K, De Luca A, Legius E, Messiaen LM. Clinical spectrum of individuals with pathogenic NF1 missense variants affecting p.Met1149, p.Arg1276, and p.Lys1423: genotype-phenotype study in neurofibromatosis type 1. Hum Mutat 2020; 41:299-315. [PMID: 31595648 PMCID: PMC6973139 DOI: 10.1002/humu.23929] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 09/03/2019] [Accepted: 10/02/2019] [Indexed: 12/15/2022]
Abstract
We report 281 individuals carrying a pathogenic recurrent NF1 missense variant at p.Met1149, p.Arg1276, or p.Lys1423, representing three nontruncating NF1 hotspots in the University of Alabama at Birmingham (UAB) cohort, together identified in 1.8% of unrelated NF1 individuals. About 25% (95% confidence interval: 20.5-31.2%) of individuals heterozygous for a pathogenic NF1 p.Met1149, p.Arg1276, or p.Lys1423 missense variant had a Noonan-like phenotype, which is significantly more compared with the "classic" NF1-affected cohorts (all p < .0001). Furthermore, p.Arg1276 and p.Lys1423 pathogenic missense variants were associated with a high prevalence of cardiovascular abnormalities, including pulmonic stenosis (all p < .0001), while p.Arg1276 variants had a high prevalence of symptomatic spinal neurofibromas (p < .0001) compared with "classic" NF1-affected cohorts. However, p.Met1149-positive individuals had a mild phenotype, characterized mainly by pigmentary manifestations without externally visible plexiform neurofibromas, symptomatic spinal neurofibromas or symptomatic optic pathway gliomas. As up to 0.4% of unrelated individuals in the UAB cohort carries a p.Met1149 missense variant, this finding will contribute to more accurate stratification of a significant number of NF1 individuals. Although clinically relevant genotype-phenotype correlations are rare in NF1, each affecting only a small percentage of individuals, together they impact counseling and management of a significant number of the NF1 population.
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Affiliation(s)
| | - Tom Callens
- Department of GeneticsUniversity of Alabama at BirminghamBirminghamAlbama
| | - Yunjia Chen
- Department of GeneticsUniversity of Alabama at BirminghamBirminghamAlbama
| | - Alicia Gomes
- Department of GeneticsUniversity of Alabama at BirminghamBirminghamAlbama
| | - Alesha D. Hicks
- Department of GeneticsUniversity of Alabama at BirminghamBirminghamAlbama
| | - Angela Sharp
- Department of GeneticsUniversity of Alabama at BirminghamBirminghamAlbama
| | - Eric Johns
- Department of GeneticsUniversity of Alabama at BirminghamBirminghamAlbama
| | | | - Linlea Armstrong
- Department of Medical Genetics, BC Women's HospitalUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Katherine Armstrong Bosanko
- Division of Clinical Genetics and Metabolism, Arkansas Children's HospitalUniversity of Arkansas for Medical SciencesLittle RockArkansas
| | | | - Laura Baker
- Division of Medical GeneticsAl DuPont Hospital for ChildrenWilmingtonDelaware
| | | | - Mario Bengala
- U.O.C Laboratorio di Genetica Medica, Dipartimento di OncoematologiaFondazione Policlinico di Tor VergataRomeItaly
| | - James T. Bennett
- Division of Genetic Medicine, Department of PediatricsUniversity of WashingtonSeattleWashington
| | - Chelsea Chambers
- Department of NeurologyUniversity of Virginia Medical CenterCharlottesvilleVirginia
| | | | - Maurizio Clementi
- Clinical Genetics Unit, Department of Women's and Children's HealthUniversity of PadovaPadovaItaly
| | | | - Mitch Cunningham
- Division of Genetic, Genomic, and Metabolic Disorders, Detroit Medical CenterChildren's Hospital of MichiganDetroitMichigan
| | | | - Martin B. Delatycki
- Bruce Lefroy Centre for Genetic Health ResearchMurdoch Childrens Research InstituteParkvilleVictoriaAustralia
| | - Maria C. Digilio
- Medical Genetics Unit, Bambino Gesù Children's HospitalIRCCSRomeItaly
| | - Laura Dosa
- SOC Genetica MedicaAOU MeyerFlorenceItaly
| | - Silvia Esposito
- Developmental Neurology UnitFondazione IRCCS Istituto Neurologico Carlo BestaMilanItaly
| | - Stephanie Fox
- Division of Medical GeneticsMcGill University Health CentreMontréalQuebecCanada
| | - Mary‐Louise Freckmann
- Department of Clinical GeneticsRoyal North Shore HospitalSt LeonardsNew South WalesAustralia
| | - Christine Fauth
- Division of Human GeneticsMedical University of InnsbruckInnsbruckAustria
| | - Teresa Giugliano
- Department of Precision MedicineUniversità degli Studi della Campania “Luigi Vanvitelli”NaplesItaly
| | - Sandra Giustini
- Department of Dermatology and Venereology, Policlinico Umberto ISapienza University of RomeRomeItaly
| | - Allison Goetsch
- Department of PediatricsNorthwestern University Feinberg School of MedicineChicagoIllinois
| | - Yael Goldberg
- The Raphael Recanati Genetics InstituteRabin Medical CenterPetah TikvaIsrael
| | - Robert S. Greenwood
- Division of Child NeurologyUniversity of North Carolina School of MedicineChapel HillNorth Carolina
| | | | - Karen W. Gripp
- Division of Medical GeneticsAl DuPont Hospital for ChildrenWilmingtonDelaware
| | - Punita Gupta
- Neurofibromatosis Diagnostic and Treatment ProgramSt. Joseph's Children's HospitalPatersonNew Jersey
| | - Eric Haan
- Adult Genetics UnitRoyal Adelaide HospitalAdelaideSouth AustraliaAustralia
| | - Rachel K. Hachen
- Neurofibromatosis ProgramChildren's Hospital of PhiladelphiaPhiladelphiaPennsylvania
| | - Tamara L. Haygarth
- Carolinas HealthCare SystemLevine Children's Specialty CenterCharlotteNorth Carolina
| | - Concepción Hernández‐Chico
- Department of Genetics, Hospital Universitario Ramón y CajalInstitute of Health Research (IRYCIS) and Center for Biomedical Research‐Network of Rare Diseases (CIBERER)MadridSpain
| | - Katelyn Hodge
- Department of Medical and Molecular GeneticsIndiana University School of MedicineIndianapolisIndiana
| | - Robert J. Hopkin
- Division of Human GeneticsCincinnati Children's Hospital Medical CenterCincinnatiOhio
| | - Louanne Hudgins
- Division of Medical GeneticsStanford University School of MedicineStanfordCalifornia
| | - Sandra Janssens
- Center for Medical GeneticsGhent University HospitalGhentBelgium
| | - Kory Keller
- Department of Molecular and Medical GeneticsOregon Health and Science UniversityPortlandOregon
| | | | - Aaina Kochhar
- Department of Medical Genetics and MetabolismValley Children's HealthcareMaderaCalifornia
| | - Bruce R. Korf
- Department of GeneticsUniversity of Alabama at BirminghamBirminghamAlbama
| | - Andrea M. Lewis
- Department of Molecular and Human GeneticsBaylor College of MedicineHoustonTexas
| | - Jan Liebelt
- The South Australian Clinical Genetics Service at the Women's and Children's HospitalNorth AdelaideSouth AustraliaAustralia
| | | | - Robert H. Listernick
- Department of PediatricsNorthwestern University Feinberg School of MedicineChicagoIllinois
| | | | - Isabelle Maystadt
- Center for Human GeneticsInstitute of Pathology and Genetics (IPG)GosseliesBelgium
| | | | - Carey McDougall
- Division of Human Genetics, Children's Hospital of PhiladelphiaUniversity of Pennsylvania School of MedicinePhiladelphiaPennsylvania
| | - Lesley K. McGregor
- The South Australian Clinical Genetics Service at the Women's and Children's HospitalNorth AdelaideSouth AustraliaAustralia
| | - Daniela Melis
- Section of Pediatrics, Department of Translational Medical SciencesFederico II UniversityNaplesItaly
| | - Nancy Mendelsohn
- Genomics Medicine ProgramChildren's Hospital MinnesotaMinneapolisMinnesota
| | | | - June Ortenberg
- Division of Medical GeneticsMcGill University Health CentreMontréalQuebecCanada
| | - Karin Panzer
- University of Iowa Stead Family Children's HospitalIowa CityIowa
| | - John G. Pappas
- Division of Clinical Genetic Services, Department of PediatricsNYU School of MedicineNew YorkNew York
| | - Mary Ella Pierpont
- Department of Pediatrics and OpthalmologyUniversity of MinnesotaMinneapolisMinnesota
| | - Giulio Piluso
- Department of Precision MedicineUniversità degli Studi della Campania “Luigi Vanvitelli”NaplesItaly
| | - Valentina Pinna
- Molecular Genetics UnitIRCCS Casa Sollievo della SofferenzaSan Giovanni RotondoFoggiaItaly
| | - Eniko K. Pivnick
- Department of Pediatrics and Department of OphthalmologyUniversity of Tennessee Health Science CenterMemphisTennessee
| | - Dinel A. Pond
- Genomics Medicine ProgramChildren's Hospital MinnesotaMinneapolisMinnesota
| | - Cynthia M. Powell
- Department of Genetics and Department of PediatricsUniversity of North Carolina School of MedicineChapel HillNorth Carolina
| | - Caleb Rogers
- Department of Molecular and Medical GeneticsOregon Health and Science UniversityPortlandOregon
| | - Noa Ruhrman Shahar
- The Raphael Recanati Genetics InstituteRabin Medical CenterPetah TikvaIsrael
| | - S. Lane Rutledge
- Department of GeneticsUniversity of Alabama at BirminghamBirminghamAlbama
| | - Veronica Saletti
- Developmental Neurology UnitFondazione IRCCS Istituto Neurologico Carlo BestaMilanItaly
| | - Sarah A. Sandaradura
- Division of Clinical Genetics, Department of Paediatrics and Child Health, Children's Hospital at WestmeadUniversity of SydneySydneyNew South WalesAustralia
| | - Claudia Santoro
- Specialistic and General Surgery Unit, Department of Woman and Child, Referral Centre of NeurofibromatosisUniversità degli Studi della Campania “Luigi Vanvitelli”NaplesItaly
| | - Ulrich A. Schatz
- Division of Human GeneticsMedical University of InnsbruckInnsbruckAustria
| | | | - Daryl A. Scott
- Department of Molecular and Human GeneticsBaylor College of MedicineHoustonTexas
| | - Elizabeth A. Sellars
- Division of Clinical Genetics and Metabolism, Arkansas Children's HospitalUniversity of Arkansas for Medical SciencesLittle RockArkansas
| | - Ruth Sheffer
- Department of Genetics and Metabolic DiseasesHadassah‐Hebrew University Medical CenterJerusalemIsrael
| | | | - John M. Slopis
- Department of Neuro‐OncologyThe University of Texas MD Anderson Cancer CenterHoustonTexas
| | - Rosemarie Smith
- Division of Genetics, Department of PediatricsMaine Medical CenterPortlandMaine
| | - Alberto Spalice
- Child Neurology Division, Department of PediatricsSapienza University of RomeRomeItaly
| | - David W. Stockton
- Division of Genetic, Genomic, and Metabolic Disorders, Detroit Medical CenterChildren's Hospital of MichiganDetroitMichigan
| | - Haley Streff
- Department of Molecular and Human GeneticsBaylor College of MedicineHoustonTexas
| | - Amy Theos
- Department of DermatologyUniversity of Alabama at BirminghamBirminghamAlabama
| | - Gail E. Tomlinson
- Division of Pediatric Hematology–Oncology, Greehey Children's Cancer Research InstituteThe University of Texas Health Science CenterSan AntonioTexas
| | - Grace Tran
- Department of Clinical Cancer GeneticsThe University of Texas MD Anderson Cancer CenterHoustonTexas
| | - Pamela L. Trapane
- Division of Pediatric Genetics, Department of PediatricsUniversity of Florida College of MedicineJacksonvilleFlorida
| | - Eva Trevisson
- Clinical Genetics Unit, Department of Women's and Children's HealthUniversity of PadovaPadovaItaly
| | - Nicole J. Ullrich
- Department of NeurologyBoston Children's HospitalBostonMassachusetts
| | - Jenneke Van den Ende
- Center for Medical GeneticsUniversity of Antwerp and Antwerp University HospitalAntwerpBelgium
| | | | - Stephanie E. Wallace
- Division of Genetic Medicine, Department of PediatricsUniversity of WashingtonSeattleWashington
| | - Michael F. Wangler
- Department of Molecular and Human GeneticsBaylor College of MedicineHoustonTexas
| | - David D. Weaver
- Department of Medical and Molecular GeneticsIndiana University School of MedicineIndianapolisIndiana
| | - Kaleb H. Yohay
- Department of Neurology, New York University School of MedicineLangone Medical CenterNew YorkNew York
| | - Elaine Zackai
- Division of Human Genetics, Children's Hospital of PhiladelphiaUniversity of Pennsylvania School of MedicinePhiladelphiaPennsylvania
| | - Jonathan Zonana
- Department of Molecular and Medical GeneticsOregon Health and Science UniversityPortlandOregon
| | | | | | - Marica Eoli
- Division of Molecular Neuro‐OncologyFondazione IRCCS Istituto Neurologico Carlo BestaMilanItaly
| | - Yolanda Martin
- Department of Genetics, Hospital Universitario Ramón y CajalInstitute of Health Research (IRYCIS) and Center for Biomedical Research‐Network of Rare Diseases (CIBERER)MadridSpain
| | - Katharina Wimmer
- Division of Human GeneticsMedical University of InnsbruckInnsbruckAustria
| | - Alessandro De Luca
- Molecular Genetics UnitIRCCS Casa Sollievo della SofferenzaSan Giovanni RotondoFoggiaItaly
| | - Eric Legius
- Department of Human GeneticsKU LeuvenLeuvenBelgium
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