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Síndrome Smith-Magenis
ORPHA:819CID-10 · Q93.5CID-11 · LD44.H1OMIM 182290DOENÇA RARA

A síndrome de Smith-Magenis (SMS) é um distúrbio genético complexo caracterizado por déficit intelectual variável, distúrbios do sono, anomalias craniofaciais e esqueléticas, distúrbios psiquiátricos e atraso na fala e motor.

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Introdução

O que você precisa saber de cara

📋

A síndrome de Smith-Magenis (SMS) é um distúrbio genético complexo caracterizado por déficit intelectual variável, distúrbios do sono, anomalias craniofaciais e esqueléticas, distúrbios psiquiátricos e atraso na fala e motor.

Pesquisas ativas
4 ensaios
18 total registrados no ClinicalTrials.gov
Publicações científicas
475 artigos
Último publicado: 1993

Escala de raridade

CLASSIFICAÇÃO ORPHANET · BRASIL 2024
1-9 / 100 000
Ultra-rara
<1/50k
Muito rara
1/20k
Rara
1/10k
Pouco freq.
1/5k
Incomum
1/2k
Prevalência
4.0
Worldwide
Início
Adolescent
+ adult, childhood, infancy, neonatal
🏥
SUS: Cobertura mínimaScore: 15%
CID-10: Q93.5
🇧🇷Dados SUS / DATASUS
PROCEDIMENTOS SIGTAP (5)
0202010503
Cariótipo — bandas G, Q ou Rgenetic_test
0202010600
Pesquisa de microdeleções/microduplicações por FISHlab_test
0202010694
Sequenciamento completo do exoma (WES)rehabilitation
0202010260
Dosagem de alfa-fetoproteína
0301070040
Atendimento em reabilitação — doenças raras
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Entender a doença

Do básico ao detalhe, leia no seu ritmo

Preparando trilha educativa...

Sinais e sintomas

O que aparece no corpo e com que frequência cada sintoma acontece

Partes do corpo afetadas

😀
Face
20 sintomas
🧠
Neurológico
14 sintomas
🦴
Ossos e articulações
12 sintomas
📏
Crescimento
10 sintomas
👁️
Olhos
6 sintomas
🫘
Rins
6 sintomas

+ 50 sintomas em outras categorias

Características mais comuns

100%prev.
Início neonatal
Obrigatório (100%)
100%prev.
Obesidade troncular
Frequência: 2/2
100%prev.
Atraso global leve do desenvolvimento
Frequência: 2/2
100%prev.
Deficiência intelectual
Muito frequente (99-80%)
100%prev.
Atraso global do desenvolvimento
Muito frequente (99-80%)
100%prev.
Estrabismo
Frequente (79-30%)
135sintomas
Muito frequente (29)
Frequente (77)
Ocasional (21)
Muito raro (1)
Sem dados (7)

Os sintomas variam de pessoa para pessoa. Abaixo estão as 135 características clínicas mais associadas, ordenadas por frequência.

Início neonatalNeonatal onset
Obrigatório (100%)100%
Obesidade troncularTruncal obesity
Frequência: 2/2100%
Atraso global leve do desenvolvimentoMild global developmental delay
Frequência: 2/2100%
Deficiência intelectualIntellectual disability
Muito frequente (99-80%)100%
Atraso global do desenvolvimentoGlobal developmental delay
Muito frequente (99-80%)100%

Linha do tempo da pesquisa

Publicações por ano — veja quando o interesse científico cresceu
Anos de pesquisa1desde 2026
Total histórico475PubMed
Últimos 10 anos200publicações
Pico201828 papers
Linha do tempo
2026Hoje · 2026🧪 1998Primeiro ensaio clínico📈 2018Ano de pico
Publicações por ano (últimos 10 anos)

Encontrou um erro ou informação desatualizada? Sugira uma correção →

Genética e causas

O que está alterado no DNA e como passa nas famílias

Genes associados

2 genes identificados com associação a esta condição. Padrão de herança: Autosomal dominant.

RAI1Retinoic acid-induced protein 1Disease-causing germline mutation(s) inAltamente restrito
FUNÇÃO

Transcriptional regulator of the circadian clock components: CLOCK, BMAL1, BMAL2, PER1/3, CRY1/2, NR1D1/2 and RORA/C. Positively regulates the transcriptional activity of CLOCK a core component of the circadian clock. Regulates transcription through chromatin remodeling by interacting with other proteins in chromatin as well as proteins in the basic transcriptional machinery. May be important for embryonic and postnatal development. May be involved in neuronal differentiation

LOCALIZAÇÃO

CytoplasmNucleus

VIAS BIOLÓGICAS (2)
Expression of BMAL (ARNTL), CLOCK, and NPAS2Heme signaling
MECANISMO DE DOENÇA

Smith-Magenis syndrome

Characterized by intellectual disability associated with development and growth delays. Affected persons have characteristic behavioral abnormalities, including self-injurious behaviors and sleep disturbance, and distinct craniofacial and skeletal anomalies.

EXPRESSÃO TECIDUAL(Ubíquo)
Cervix Endocervix
29.7 TPM
Útero
29.6 TPM
Cerebelo
25.5 TPM
Pituitária
24.7 TPM
Tireoide
23.8 TPM
INTERAÇÕES PROTEICAS (2)
OUTRAS DOENÇAS (3)
Smith-Magenis syndromePotocki-Lupski syndromePMP22-RAI1 contiguous gene duplication syndrome
HGNC:9834UniProt:Q7Z5J4
IQSEC2IQ motif and SEC7 domain-containing protein 2Candidate gene tested inAltamente restrito
FUNÇÃO

Is a guanine nucleotide exchange factor for the ARF GTP-binding proteins

LOCALIZAÇÃO

Cytoplasm

MECANISMO DE DOENÇA

Intellectual developmental disorder, X-linked 1

A disorder characterized by significantly below average general intellectual functioning associated with impairments in adaptive behavior and manifested during the developmental period. Intellectual deficiency is the only primary symptom of non-syndromic X-linked forms, while syndromic forms present with associated physical, neurological and/or psychiatric manifestations.

EXPRESSÃO TECIDUAL(Ubíquo)
Cerebelo
37.9 TPM
Cérebro - Hemisfério cerebelar
33.6 TPM
Córtex cerebral
25.9 TPM
Brain Frontal Cortex BA9
22.6 TPM
Brain Anterior cingulate cortex BA24
16.4 TPM
INTERAÇÕES PROTEICAS (5)
OUTRAS DOENÇAS (3)
intellectual disability, X-linked 1Smith-Magenis syndromechromosome Xp11.23-p11.22 duplication syndrome
HGNC:29059UniProt:Q5JU85

Medicamentos aprovados (FDA)

1 medicamento encontrado nos registros da FDA americana.

💊 Hetlioz (TASIMELTEON)
Ver no DailyMed/FDA

Variantes genéticas (ClinVar)

999 variantes patogênicas registradas no ClinVar.

🧬 RAI1: GRCh38/hg38 17p11.2(chr17:17048995-18400908)x1 ()
🧬 RAI1: GRCh38/hg38 17p11.2(chr17:16832948-20527478)x1 ()
🧬 RAI1: NM_030665.4(RAI1):c.1344_1345insT (p.Val449fs) ()
🧬 RAI1: NM_030665.4(RAI1):c.4122_4134del (p.Ser1374fs) ()
🧬 RAI1: NM_030665.4(RAI1):c.2452dup (p.Val818fs) ()
Ver todas no ClinVar

Classificação de variantes (ClinVar)

Distribuição de 172 variantes classificadas pelo ClinVar.

118
54
Patogênica (68.6%)
VUS (31.4%)
VARIANTES MAIS SIGNIFICATIVAS
RAI1: NM_030665.4(RAI1):c.242_260dup (p.Leu91fs) [Pathogenic]
RAI1: NM_030665.4(RAI1):c.4675C>T (p.Arg1559Ter) [Likely pathogenic]
RAI1: NM_030665.4(RAI1):c.1360_1375dup (p.Val459fs) [Pathogenic]
RAI1: NM_030665.4(RAI1):c.4949_4961dup (p.Gly1655fs) [Pathogenic]
RAI1: NM_030665.4(RAI1):c.627dup (p.Pro210fs) [Pathogenic]

Vias biológicas (Reactome)

2 vias biológicas associadas aos genes desta condição.

Diagnóstico

Os sinais que médicos procuram e os exames que confirmam

Carregando...

Tratamento e manejo

Remédios, cuidados de apoio e o que precisa acompanhar

Pipeline de tratamentos
Pipeline regulatório — de medicamentos já aprovados a drogas em pesquisa exploratória.
3Fase 31
1Fase 11
·Pré-clínico8
Medicamentos catalogadosEnsaios clínicos· 0 medicamentos · 10 ensaios
Carregando informações de tratamento...

Onde tratar no SUS

Hospitais de referência no Brasil e o protocolo oficial do SUS (PCDT)

🇧🇷 Atendimento SUS — Síndrome Smith-Magenis

🗺️

Selecione um estado ou use sua localização para ver resultados.

Dados de DATASUS/CNES, SBGM, ABNeuro e Ministério da Saúde. Sempre confirme a disponibilidade diretamente com o estabelecimento.

Pesquisa ativa

Ensaios clínicos abertos e novidades científicas recentes

🟢 Recrutando agora

3 pesquisas recrutando participantes. Converse com seu médico sobre a possibilidade de participar.

Outros ensaios clínicos

18 ensaios clínicos encontrados, 4 ativos.

Distribuição por fase
Ver todos no ClinicalTrials.gov
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Publicações mais relevantes

Timeline de publicações
203 papers (10 anos)
#1

DNA methylation episignature for Smith-Magenis and Potocki-Lupski syndromes: a mirror perspective.

European journal of human genetics : EJHG2026 Jan

Smith-Magenis syndrome (SMS) and Potocki-Lupski syndrome (PTLS) are reciprocal genomic disorders caused by deletions and duplications of the 17p11.2 chromosomal region, respectively. This study aimed to identify and validate DNA methylation episignatures specific to SMS and PTLS, and to investigate their reciprocal relationship and shared molecular features with other neurodevelopmental disorders. Genome-wide DNA methylation was analyzed in individuals with an SMS (n = 26) or PTLS (n = 27) phenotype associated with copy number variation, and SMS patients with RAI1 sequence variants using the Infinium EPIC array. Differentially methylated CpG sites were identified and used to develop support vector machine (SVM)-based classifiers, which demonstrated high sensitivity and specificity for both syndromes. The analysis revealed a mirror-like episignature, with SMS showing predominant hypomethylation and PTLS displaying hypermethylation at shared loci. Functional correlation with other neurodevelopmental disorders highlighted significant overlap with known episignatures, including those associated with MEF2C-related disorders. Notably, individuals with RAI1 sequence variants did not exhibit the same DNA methylation patterns, suggesting that the epigenetic alterations are primarily driven by copy number changes. These findings establish SMS and PTLS as distinct yet interconnected epigenetic entities, offering valuable diagnostic biomarkers and insights into the molecular pathophysiology of 17p11.2-associated neurodevelopmental disorders.

#2

FLCN-Mutated Tumors in Smith-Magenis Syndrome: A Case Report of FLCN-Associated Pathogenesis.

International journal of surgical pathology2026 Mar 13

Birt-Hogg-Dubé syndrome and Smith-Magenis syndrome both involve the 17p11.2 chromosomal region, with FLCN germline pathogenic variants causing Birt-Hogg-Dubé syndrome and RAI1 deletions causing Smith-Magenis syndrome. When Smith-Magenis syndrome deletions extend to include FLCN, Birt-Hogg-Dubé syndrome-related manifestations may develop; however, such occurrences remain anecdotal, particularly with respect to renal tumors. We describe a 35-year-old man with Smith-Magenis syndrome who developed two right renal tumors, including one confirmed FLCN-mutated tumor. Histology revealed a mosaic admixture of oncocytic and chromophobe-like cells with patchy keratin 7 and KIT expression. Molecular analysis identified a germline 17p11.2 deletion encompassing FLCN and RAI1, together with a somatic FLCN splice-donor mutation (c.1300+1G>A), consistent with biallelic FLCN inactivation. These findings support a shared pathogenic mechanism between Smith-Magenis syndrome and Birt-Hogg-Dubé syndrome, contributing to the existing literature on FLCN-associated renal neoplasia. Recognition of this overlap is important for clinical awareness and further supports renal surveillance in Smith-Magenis syndrome patients.

#3

Behavioral Phenotype and Neuropsychological Profile of an Adult With Smith-Magenis Syndrome due to a Previously Unreported RAI1 Mutation: A Case Report.

Clinical case reports2026 Mar

Smith-Magenis Syndrome (SMS) is an uncommon genetic disorder caused by microdeletions of chromosome 17p11.2 including the RAI1 gene, or loss-of-function mutations that directly affect RAI1. Due to the involvement of RAI1 in neurodevelopment, SMS leads to typical pathologic features in the behavioral and physical phenotype that must be recognized by clinicians.

#4

A Clinical Practice Example of Smith-Magenis Syndrome in the Neuropediatric Clinic: Etiology, Clinical Presentation, Diagnostics and Therapeutic Approaches-A Case Report.

Children (Basel, Switzerland)2026 Jan 28

Smith-Magenis syndrome (SMS) is a rare neurogenetic disorder caused by a microdeletion in chromosome region 17p11.2 or by pathogenic variants in the RAI1 gene. The syndrome is characterized by a distinctive neurobehavioral profile, including cognitive deficits, sleep disturbances, self-injurious behavior, and typical dysmorphic features. A characteristic diagnostic hallmark is paradoxical melatonin secretion, with increased daytime levels instead of the normal nocturnal peak. This article aims to summarize current knowledge on the etiology, diagnostics, EEG findings, therapy, and prognosis of SMS from a neuropediatric perspective. A narrative review of the literature on Smith-Magenis syndrome was conducted, focusing on genetic background, clinical features, diagnostic approaches, EEG characteristics, therapeutic strategies, and prognosis. In addition, a detailed clinical case of a 16-year-old female patient with SMS is presented. The reviewed data confirm that SMS is associated with characteristic neurobehavioral abnormalities and sleep-wake rhythm disturbances. EEG findings may include epileptiform activity without overt epilepsy. In the presented case, "Rolandic-type" spike-sharp wave complexes were observed on EEG and are interpreted as an expression of congenital disturbances in brain maturation processes. Therapeutic recommendations addressing behavioral symptoms and sleep regulation are discussed. Smith-Magenis syndrome represents a complex neurodevelopmental disorder with distinctive clinical, neurophysiological, and genetic features. Early recognition of characteristic signs, including sleep disturbances and EEG abnormalities, is essential for appropriate management. A multidisciplinary, individualized therapeutic approach may improve quality of life and long-term outcomes.

#5

Phenotypic description of a large French series of individuals with Potocki-Lupski syndrome.

Journal of medical genetics2026 Mar 24

Potocki-Lupski syndrome (PTLS) is a rare genetic disorder, with an estimated prevalence of 1:25 000. Detection of a duplication at position 17p11.2 comprising the RAI1 gene establishes the diagnosis. Deletion of this same region is responsible for Smith-Magenis syndrome (SMS). Hitherto, the non-specific clinical features included psychomotor and growth retardation and multiple congenital anomalies. Our aim was to further delineate the clinical spectrum of PLTS. We gathered a series of 56 individuals carrying a 17p11.2 duplication, one of the largest reported to date. We collected detailed phenotypic data and established a phenotypic comparison with individuals already described in the literature. We corroborated the main clinical signs associated with PTLS and highlighted additional features present in a significant proportion in our series, such as intrauterine growth retardation or low birth weight, musculoskeletal and ophthalmological anomalies, and abnormalities of the skin appendages. In line with previous reports, behavioural disorders were frequently identified (23%). Yet unexpectedly, self-aggressive and hetero-aggressive behaviours, characteristic features of SMS, were found in a small number of individuals. Forty-six individuals harboured the recurrent duplication (85%), five had larger duplications (9%) and three had smaller duplications (6%). We did not identify inherited duplications when parental information was available (n=43). Our study refined the clinical features of PTLS and their relative frequencies. Our findings therefore contribute to improving management of people with PTLS. These open up new pathophysiological hypotheses involving RAI1 gene dosage of the genesis and control of behaviour, as well as new, more complex regulatory pathways.

Publicações recentes

Ver todas no PubMed

📚 EuropePMC318 artigos no totalmostrando 198

2026

FLCN-Mutated Tumors in Smith-Magenis Syndrome: A Case Report of FLCN-Associated Pathogenesis.

International journal of surgical pathology
2026

Sleep disorders in children with Smith-Magenis Syndrome - a neurodevelopmental disorder with sleep-wake-rhythm-dysfunction - recommendations for pediatricians.

Sleep &amp; breathing = Schlaf &amp; Atmung
2026

Behavioral Phenotype and Neuropsychological Profile of an Adult With Smith-Magenis Syndrome due to a Previously Unreported RAI1 Mutation: A Case Report.

Clinical case reports
2026

A Clinical Practice Example of Smith-Magenis Syndrome in the Neuropediatric Clinic: Etiology, Clinical Presentation, Diagnostics and Therapeutic Approaches-A Case Report.

Children (Basel, Switzerland)
2026

Phenotypic description of a large French series of individuals with Potocki-Lupski syndrome.

Journal of medical genetics
2026

Empowering through structured boundaries: an integral model for fostering balanced eating and nutritional well-being.

Journal of rare diseases (Berlin, Germany)
2025

17q12 Recurrent Deletion Syndrome in Childhood.

Genes
2025

Sexual Health and Transition Needs in an Adolescent Girl With Attention-deficit Hyperactivity Disorder and Smith-magenis Syndrome.

Journal of developmental and behavioral pediatrics : JDBP
2025

Clinical, Sleep, and Chronobiological Characteristics of Children with Smith-Magenis Syndrome Under Treatment for Sleep Disorders.

Children (Basel, Switzerland)
2026

Growth Standards for Children With Smith-Magenis Syndrome (SMS).

American journal of medical genetics. Part A
2025

A case of nephroblastoma with inferior vena cava invasion arising in a patient with Smith-Magenis syndrome.

Pediatrics international : official journal of the Japan Pediatric Society
2026

DNA methylation episignature for Smith-Magenis and Potocki-Lupski syndromes: a mirror perspective.

European journal of human genetics : EJHG
2026

Sleep disorder assessment in children and adolescents with neurodevelopmental disorders.

Jornal de pediatria
2025

Molecular and developmental deficits in Smith-Magenis syndrome human stem cell-derived cortical neural models.

American journal of human genetics
2025

Cochliomyia hominivorax aural myiasis in a 7-year-old traveler.

IDCases
2025

Retinoic Acid Induced 1 and Smith-Magenis Syndrome: From Genetics to Biology and Possible Therapeutic Strategies.

International journal of molecular sciences
2025

Weight Management in a Patient With Smith-Magenis Syndrome: The Role of GLP-1 Receptor Agonists.

JCEM case reports
2025

Retinoic Acid-Induced 1 Gene and Neuropsychiatric Diseases: A Systematic Review.

Expert reviews in molecular medicine
2025

Morphologic and immunophenotypic characterization of conventional FLCN-mutated tumors (FMT) compared to a series of 8 non-conventional FMT.

Human pathology
2025

Deletion of RAI1 noncoding exons 1-2 causes Smith-Magenis syndrome.

Journal of genetics
2025

Generation and characterization of the CSSi021-A (15665) human induced pluripotent stem cell line from a Smith-Magenis syndrome patient with a heterozygous RAI1 mutation.

Stem cell research
2025

Protocol MelatoSom-Kids-PTSD: sleep disturbances in children and adolescents with post-traumatic stress disorder (PTSD) - a randomized double-blind placebo-controlled trial to investigate the efficacy of paediatric prolonged-release melatonin.

European journal of psychotraumatology
2025

Deletion of 17p in cancers: Guilt by (p53) association.

Oncogene
2025

A rare case of pancreatic mucinous cystic neoplasm in a pediatric patient.

JPGN reports
2025

Smith-Magenis syndrome with Dandy-Walker malformation in a 2-year-old girl: A case report.

The Journal of international medical research
2024

Circadian Regulation in Diurnal Mammals: Neural Mechanisms and Implications in Translational Research.

Biology
2024

Sugar-coated Sleep: Raising Dental Red Flags in Smith-Magenis Syndrome.

International journal of clinical pediatric dentistry
2024

Chronic Hypercapnic Respiratory Failure in a Patient With Smith-Magenis Syndrome: A Case Report.

Cureus
2024

Whole Exome Sequencing of a Multiplex Family of Indian Origin Identifies Variants in the RAI1 and FLII Genes within the 17p11.2 Region in Siblings with Autism and Smith Magenis Syndrome.

Molecular syndromology
2025

Real-World Outcomes of Upfront Autologous Hematopoietic Stem Cell Transplantation in Patients With Newly Diagnosed Multiple Myeloma With Deletion 17p.

Transplantation and cellular therapy
2024

Analysis of Voice Quality in Children With Smith-Magenis Syndrome.

Journal of voice : official journal of the Voice Foundation
2024

Novel RAI1:c.2736delC Variant in Smith-Magenis Syndrome: Identification by Whole Genome Sequencing and Joint Analysis.

Journal of personalized medicine
2024

Generation of the CSSi020-A (14437) iPSC line from a patient carrying a copy number variation (CNV) in the 17p11.2 chromosome region.

Stem cell research
2024

Dystonia: A novel sign of the Smith-Magenis syndrome - A three-case report.

Clinical parkinsonism &amp; related disorders
2024

Prenatal diagnosis of monozygotic twins with phenotypic differences in chromosome 17q12 deletion syndrome.

Journal of clinical ultrasound : JCU
2024

Overlapping hearing and communication profiles for the deletion and the RAI1 variant form of Smith-Magenis Syndrome (SMS).

Journal of communication disorders
2024

Clarifying main nutritional aspects and resting energy expenditure in children with Smith-Magenis syndrome.

European journal of pediatrics
2024

Case Report: A Case of a Patient with Smith-Magenis Syndrome and Early-Onset Parkinson's Disease.

International journal of molecular sciences
2024

Blind to the perils of pursuing food: Behaviors of individuals with Smith-Magenis Syndrome.

Genetics in medicine open
2024

Investigation of setmelanotide, an MC4R agonist, for obesity in individuals with Smith-Magenis syndrome.

Obesity research &amp; clinical practice
2024

CRISPR-based genome editing of a diurnal rodent, Nile grass rat (Arvicanthis niloticus).

BMC biology
2024

Insomnia in children affected by autism spectrum disorder: The role of melatonin in treatment.

Sleep medicine
2024

Association of behavioural and social-communicative profiles in children with 16p11.2 copy number variants: a multi-site study.

Journal of intellectual disability research : JIDR
2024

Exploring an objective measure of overactivity in children with rare genetic syndromes.

Journal of neurodevelopmental disorders
2024

Identification of Smith-Magenis syndrome cases through an experimental evaluation of machine learning methods.

Frontiers in computational neuroscience
2024

Physiotherapy intervention in Smith-Magenis syndrome: A case report based on exercise therapy for postural control and balance.

Clinical case reports
2024

Seizure as First Manifestation of Hemolytic Uremic Syndrome with Bacteremia due to Shiga Toxin-Producing Escherichia coli.

Rhode Island medical journal (2013)
2024

Rab11a Controls Cell Shape via C9orf72 Protein: Possible Relationships to Frontotemporal Dementia/Amyotrophic Lateral Sclerosis (FTDALS) Type 1.

Pathophysiology : the official journal of the International Society for Pathophysiology
2024

Expanding the clinical and genetic landscape of (developmental) epileptic encephalopathy with spike-and-wave activation in sleep: results from studies of a Turkish cohort.

Neurogenetics
2024

Low-grade parental gonosomal mosaicism in CHD2 siblings with Smith-Magenis-like syndrome.

American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics
2024

Speech, Language, Hearing, and Otopathology Results From the International Smith-Magenis Syndrome Patient Registry.

Journal of speech, language, and hearing research : JSLHR
2024

Comparative analyses of the Smith-Magenis syndrome protein RAI1 in mice and common marmoset monkeys.

The Journal of comparative neurology
2023

Artificial Intelligence Procedure for the Screening of Genetic Syndromes Based on Voice Characteristics.

Bioengineering (Basel, Switzerland)
2023

Melatonin in Neurodevelopmental Disorders: A Critical Literature Review.

Antioxidants (Basel, Switzerland)
2024

Pentanucleotide Repeat Insertions in RAI1 Cause Benign Adult Familial Myoclonic Epilepsy Type 8.

Movement disorders : official journal of the Movement Disorder Society
2023

Smith-Magenis syndrome protein RAI1 regulates body weight homeostasis through hypothalamic BDNF-producing neurons and neurotrophin downstream signalling.

eLife
2023

The developmental trajectory of sleep in children with Smith-Magenis syndrome compared to typically developing peers: a 3-year follow-up study.

Sleep advances : a journal of the Sleep Research Society
2023

Metabolic Profile of Patients with Smith-Magenis Syndrome: An Observational Study with Literature Review.

Children (Basel, Switzerland)
2023

A case of Smith-Magenis syndrome with skin manifestations caused by a novel locus mutation in the RAI1 gene.

The Journal of international medical research
2023

Intellectual and Behavioral Phenotypes of Smith-Magenis Syndrome: Comparisons between Individuals with a 17p11.2 Deletion and Pathogenic RAI1 Variant.

Genes
2024

Psychiatric and neurological manifestations in adults with Smith-Magenis syndrome: A scoping review.

American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics
2023

Cerebral Venous Thrombosis in a Patient With Smith-Magenis Syndrome.

Cureus
2023

A diagnosis of Birt-Hogg-Dubé syndrome in individuals with Smith-Magenis syndrome: Recommendation for cancer screening.

American journal of medical genetics. Part A
2022

Retinoic acid-induced 1 gene haploinsufficiency alters lipid metabolism and causes autophagy defects in Smith-Magenis syndrome.

Cell death &amp; disease
2023

rAAV-CRISPRa therapy corrects Rai1 haploinsufficiency and rescues selective disease features in Smith-Magenis syndrome mice.

The Journal of biological chemistry
2023

A de novo mutation (p.S1419F) of Retinoic acid induced 1 is responsible for a patient with Smith-Magenis syndrome exhibiting schizophrenia.

Gene
2022

Loss of Rai1 enhances hippocampal excitability and epileptogenesis in mouse models of Smith-Magenis syndrome.

Proceedings of the National Academy of Sciences of the United States of America
2022

[Genetic diagnosis of a case of Smith-Magenis syndrome due to a rare small-scale deletion].

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics
2022

Mosaic RAI1 variant in a Smith-Magenis syndrome patient with total anomalous pulmonary venous return.

American journal of medical genetics. Part A
2022

A unique Smith-Magenis patient with a de novo intragenic deletion on the maternally inherited overexpressed RAI1 allele.

European journal of human genetics : EJHG
2023

Direct assessment of overnight parent-child proximity in children with behavioral insomnia: Extending models of operant and classical conditioning.

Behavioral sleep medicine
2022

Sleep disturbances and behavior in Smith-Magenis syndrome.

Research in developmental disabilities
2022

Relationships between food-related behaviors, obesity, and medication use in individuals with Smith-Magenis syndrome.

Research in developmental disabilities
2022

Smith-magenis syndrome: A rare case report.

Journal of family medicine and primary care
2022

[Clinical characteristics and genetic analysis of a neonate with Smith-Magenis syndrome].

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics
2022

Smith Magenis syndrome: First case of congenital heart defect in a patient with Rai1 mutation.

American journal of medical genetics. Part A
2022

Smith-Magenis Syndrome-Clinical Review, Biological Background and Related Disorders.

Genes
2022

[A case of Smith-Magenis syndrome].

Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery
2022

Management of Attention Deficits and Behavioral Dyscontrol With an Evening-Dosed Methylphenidate Formulation in Smith-Magenis Syndrome.

Cureus
2022

Children with neurodevelopmental disorders: how do they sleep?

Current opinion in psychiatry
2022

Caregivers' experience of sleep management in Smith-Magenis syndrome: a mixed-methods study.

Orphanet journal of rare diseases
2021

Prenatal Diagnosis of 17p11.2 Copy Number Abnormalities Associated With Smith-Magenis and Potocki-Lupski Syndromes in Fetuses.

Frontiers in genetics
2022

Eyelash trichomegaly: a systematic review of acquired and congenital aetiologies of lengthened lashes.

Journal of the European Academy of Dermatology and Venereology : JEADV
2021

[Sleep disturbance associated with Smith-Magenis syndrome].

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics
2021

Potocki-Lupski Syndrome Dup17p11.2 in a Girl with Hypotonia and Early Behavioural Disturbances.

Prilozi (Makedonska akademija na naukite i umetnostite. Oddelenie za medicinski nauki)
2021

Methylphenidate for attention-deficit/hyperactivity disorder in patients with Smith-Magenis syndrome: protocol for a series of N-of-1 trials.

Orphanet journal of rare diseases
2021

Copy number variations of chromosome 17p11.2 region in children with development delay and in fetuses with abnormal imaging findings.

BMC medical genomics
2021

Temporal dissection of Rai1 function reveals brain-derived neurotrophic factor as a potential therapeutic target for Smith-Magenis syndrome.

Human molecular genetics
2021

Tasimelteon safely and effectively improves sleep in Smith-Magenis syndrome: a double-blind randomized trial followed by an open-label extension.

Genetics in medicine : official journal of the American College of Medical Genetics
2021

Two Monogenetic Disorders, Activated PI3-Kinase-δ Syndrome 2 and Smith-Magenis Syndrome, in One Patient: Case Report and a Literature Review of Neurodevelopmental Impact in Primary Immunodeficiencies Associated With Disturbed PI3K Signaling.

Frontiers in pediatrics
2021

Acoustic Analysis of Phonation in Children With Smith-Magenis Syndrome.

Frontiers in human neuroscience
2021

Possible underreporting of pathogenic variants in RAI1 causing Smith-Magenis syndrome.

American journal of medical genetics. Part A
2021

Insight into del17p low-frequency subclones in chronic lymphocytic leukaemia (CLL): data from the Australasian Leukaemia and Lymphoma Group (ALLG)/CLL Australian Research Consortium (CLLARC) CLL5 trial.

British journal of haematology
2021

BACs-on-Beads Assay for the Prenatal Diagnosis of Microdeletion and Microduplication Syndromes.

Molecular diagnosis &amp; therapy
2021

Smith-Magenis syndrome: Report of morphological and new functional cardiac findings with review of the literature.

American journal of medical genetics. Part A
2021

Birt-Hogg-Dubé symptoms in Smith-Magenis syndrome include pediatric-onset pneumothorax.

American journal of medical genetics. Part A
2021

Sleep disorders in rare genetic syndromes: a meta-analysis of prevalence and profile.

Molecular autism
2021

Hidradenitis suppurativa and chromosomal abnormalities: a case report and systematic review of the literature.

International journal of dermatology
2022

Effect of the use of an iPad on the attention span of a child with Smith Magenis Syndrome: A single case study.

Journal of intellectual disabilities : JOID
2021

Endogenous melatonin and sleep in individuals with Rare Genetic Neurodevelopmental Disorders (RGND): A systematic review.

Sleep medicine reviews
2021

Autistic traits and mental health in women with the fragile-X premutation: maternal status versus genetic risk.

The British journal of psychiatry : the journal of mental science
2021

Sleep Coaching for Sleep Inversion in Smith-Magenis Syndrome.

Indian pediatrics
2021

Smith-Magenis syndrome: Clinical and behavioral characteristics in a large retrospective cohort.

Clinical genetics
2020

Treatment of relapsed chronic lymphocytic leukemia after venetoclax.

Hematology. American Society of Hematology. Education Program
2020

First-trimester cystic hygroma and neurodevelopmental disorders: The association to remember.

Taiwanese journal of obstetrics &amp; gynecology
2020

Adrenocorticotropic Hormone Therapy Improved Spasms and Sleep Disturbance in Smith-Magenis Syndrome: A Case Report.

Pediatric reports
2021

Outcomes of multiple myeloma patients with del 17p undergoing autologous stem cell transplantation.

American journal of hematology
2021

Composite Sleep Problems Observed Across Smith-Magenis Syndrome, MBD5-Associated Neurodevelopmental Disorder, Pitt-Hopkins Syndrome, and ASD.

Journal of autism and developmental disorders
2020

[Current diagnosis and treatment of chronic lymphocytic leukaemia].

Deutsche medizinische Wochenschrift (1946)
2020

RAI1 Regulates Activity-Dependent Nascent Transcription and Synaptic Scaling.

Cell reports
2020

Prenatal diagnosis of BACs-on-Beads assay in 1520 cases from Fujian Province, China.

Molecular genetics &amp; genomic medicine
2020

Smith-Magenis Syndrome: Clues in the Clinic.

Journal of pediatric genetics
2021

RAB39B's role in membrane traffic, autophagy, and associated neuropathology.

Journal of cellular physiology
2020

Monoclonal gammopathy and serum immunoglobulin levels as prognostic factors in chronic lymphocytic leukaemia.

British journal of haematology
2020

Microfibril-associated glycoprotein 4 (Mfap4) regulates haematopoiesis in zebrafish.

Scientific reports
2020

C9orf72-associated SMCR8 protein binds in the ubiquitin pathway and with proteins linked with neurological disease.

Acta neuropathologica communications
2020

Prenatal diagnosis and neonatal phenotype of a de novo microdeletion of 17p11.2p12 associated with Smith-Magenis syndrome and external genital defects.

Journal of genetics
2020

Short stature and growth hormone deficiency in a subset of patients with Potocki-Lupski syndrome: Expanding the phenotype of PTLS.

American journal of medical genetics. Part A
2020

Monosomal karyotype and chromosome 17p loss or TP53 mutations in decitabine-treated patients with acute myeloid leukemia.

Annals of hematology
2020

Management of Sleep Disturbances Associated with Smith-Magenis Syndrome.

CNS drugs
2020

Do microdeletions lead to immune deficiency?

Central-European journal of immunology
2020

Treatment algorithm for Japanese patients with chronic lymphocytic leukemia in the era of novel targeted therapies.

Journal of clinical and experimental hematopathology : JCEH
2020

Genomic analysis of multiple myeloma using targeted capture sequencing in the Japanese cohort.

British journal of haematology
2020

A novel patient with White-Sutton syndrome refines the mutational and clinical repertoire of the POGZ-related phenotype and suggests further observations.

American journal of medical genetics. Part A
2020

Whole genome analysis identifies the association of TP53 genomic deletions with lower survival in Stage III colorectal cancer.

Scientific reports
2020

Treatment strategy in a patient showing borderline features between plasmablastic lymphoma and plasmablastic myeloma harboring a 17p deletion.

Annals of hematology
2020

Comparison of real-world treatment patterns in chronic lymphocytic leukemia management before and after availability of ibrutinib in the province of British Columbia, Canada.

Leukemia research
2021

Age-related changes in behavioural and emotional problems in Smith-Magenis syndrome measured with the Developmental Behavior Checklist.

Journal of intellectual disabilities : JOID
2020

C9orf72 and smcr8 mutant mice reveal MTORC1 activation due to impaired lysosomal degradation and exocytosis.

Autophagy
2020

Sleep disorders in children with Angelman and Smith-Magenis syndromes: The assessment of potential causes of disrupted settling and night time waking.

Research in developmental disabilities
2020

Sleep in children with Smith-Magenis syndrome: a case-control actigraphy study.

Sleep
2020

TP53 mutations and relevance of expression of TP53 pathway genes in paediatric acute myeloid leukaemia.

British journal of haematology
2019

Apical-Basal Polarity Signaling Components, Lgl1 and aPKCs, Control Glutamatergic Synapse Number and Function.

iScience
2019

Case report: extreme coronary calcifications and hypomagnesemia in a patient with a 17q12 deletion involving HNF1B.

BMC nephrology
2019

Hidradenitis Suppurativa in a Patient with Smith-Magenis Syndrome: A Case Report.

Cureus
2019

Case of Smith-Magenis Syndrome.

Journal of clinical psychopharmacology
2019

Development of a prognostic model for overall survival in multiple myeloma using the Connect® MM Patient Registry.

British journal of haematology
2019

Objective measures of sleep disturbances in children with Potocki-Lupski syndrome.

American journal of medical genetics. Part A
2019

Smith-Magenis Syndrome: Molecular Basis of a Genetic-Driven Melatonin Circadian Secretion Disorder.

International journal of molecular sciences
2019

[Genetic diagnosis of a child with Smith-Magenis syndrome].

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics
2019

Malignant teratoma of the thyroid: A difficult diagnosis by fine-needle aspiration.

Diagnostic cytopathology
2019

Pediatric Prolonged-Release Melatonin for Sleep in Children with Autism Spectrum Disorder: Impact on Child Behavior and Caregiver's Quality of Life.

Journal of autism and developmental disorders
2019

Parental experiences with behavioural problems in Smith-Magenis syndrome: The need for syndrome-specific competence.

Journal of intellectual disabilities : JOID
2019

Molecular basis for phenotypic similarity of genetic disorders.

Genome medicine
2021

SurVIndel: improving CNV calling from high-throughput sequencing data through statistical testing.

Bioinformatics (Oxford, England)
2019

Intricate Regulation of Phosphoenolpyruvate Carboxykinase (PEPCK) Isoforms in Normal Physiology and Disease.

Current molecular medicine
2019

Genotype and phenotype correlation in 103 individuals with 2q37 deletion syndrome reveals incomplete penetrance and supports HDAC4 as the primary genetic contributor.

American journal of medical genetics. Part A
2020

Genomic data in prognostic models-what is lost in translation? The case of deletion 17p and mutant TP53 in chronic lymphocytic leukaemia.

British journal of haematology
2019

Megabase Length Hypermutation Accompanies Human Structural Variation at 17p11.2.

Cell
2019

De novo and inherited TCF20 pathogenic variants are associated with intellectual disability, dysmorphic features, hypotonia, and neurological impairments with similarities to Smith-Magenis syndrome.

Genome medicine
2019

Management of Self-injurious Behaviors in Children with Neurodevelopmental Disorders: A Pharmacotherapy Overview.

Pharmacotherapy
2019

[The sleep in children with neurodevelopmental disorders].

Medicina
2019

A distinctive DNA methylation pattern in insufficient sleep.

Scientific reports
2019

SMCR8 negatively regulates AKT and MTORC1 signaling to modulate lysosome biogenesis and tissue homeostasis.

Autophagy
2019

Twenty-four-hour motor activity and body temperature patterns suggest altered central circadian timekeeping in Smith-Magenis syndrome, a neurodevelopmental disorder.

American journal of medical genetics. Part A
2019

An interaction-based model for neuropsychiatric features of copy-number variants.

PLoS genetics
2019

Behavior and sleep disturbance in Smith-Magenis syndrome.

Current opinion in psychiatry
2018

Selecting Frontline Therapy for CLL in 2018.

Hematology. American Society of Hematology. Education Program
2018

Using a Functional Analysis Followed by Differential Reinforcement and Extinction to Reduce Challenging Behaviors in Children With Smith-Magenis Syndrome.

American journal on intellectual and developmental disabilities
2019

Prenatal Diagnosis of BACs-on-Beads Assay in 3647 Cases of Amniotic Fluid Cells.

Reproductive sciences (Thousand Oaks, Calif.)
2018

Prognostic and therapeutic stratification in CLL: focus on 17p deletion and p53 mutation.

Annals of hematology
2018

Haploinsufficiency of NCOR1 associated with autism spectrum disorder, scoliosis, and abnormal palatogenesis.

American journal of medical genetics. Part A
2018

The phase 3 DUO trial: duvelisib vs ofatumumab in relapsed and refractory CLL/SLL.

Blood
2018

Early adolescent Rai1 reactivation reverses transcriptional and social interaction deficits in a mouse model of Smith-Magenis syndrome.

Proceedings of the National Academy of Sciences of the United States of America
2018

Cost-effectiveness of ibrutinib as first-line therapy for chronic lymphocytic leukemia in older adults without deletion 17p.

Blood advances
2018

Comprehensive Safety Analysis of Venetoclax Monotherapy for Patients with Relapsed/Refractory Chronic Lymphocytic Leukemia.

Clinical cancer research : an official journal of the American Association for Cancer Research
2018

Evaluation of 230 patients with relapsed/refractory deletion 17p chronic lymphocytic leukaemia treated with ibrutinib from 3 clinical trials.

British journal of haematology
2018

A large interstitial 11q deletion with isolated mild intellectual disability: review of the literature for genotype-phenotype correlation.

Clinical dysmorphology
2018

Application of an improved targeted next generation sequencing method to diagnose non‑syndromic mental retardation in one step: A case report.

Molecular medicine reports
2018

A Rare De Novo RAI1 Gene Mutation Affecting BDNF-Enhancer-Driven Transcription Activity Associated with Autism and Atypical Smith-Magenis Syndrome Presentation.

Biology
2018

Overview of Social Cognitive Dysfunctions in Rare Developmental Syndromes With Psychiatric Phenotype.

Frontiers in pediatrics
2018

An Update on Common Chromosome Microdeletion and Microduplication Syndromes.

Pediatric annals
2018

Venetoclax for Patients With Chronic Lymphocytic Leukemia With 17p Deletion: Results From the Full Population of a Phase II Pivotal Trial.

Journal of clinical oncology : official journal of the American Society of Clinical Oncology
2018

An estimation of the prevalence of genomic disorders using chromosomal microarray data.

Journal of human genetics
2018

Production and characterization of CSSI003 (2961) human induced pluripotent stem cells (iPSCs) carrying a novel puntiform mutation in RAI1 gene, Causative of Smith-Magenis syndrome.

Stem cell research
2018

A cross-syndrome cohort comparison of sleep disturbance in children with Smith-Magenis syndrome, Angelman syndrome, autism spectrum disorder and tuberous sclerosis complex.

Journal of neurodevelopmental disorders
2018

Cumulative experience and long term follow-up of pentostatin-based chemoimmunotherapy trials for patients with chronic lymphocytic leukemia.

Expert review of hematology
2018

Optimal management of the young patient CLL patient.

Best practice &amp; research. Clinical haematology
2018

Melanopsin System Dysfunction in Smith-Magenis Syndrome Patients.

Investigative ophthalmology &amp; visual science
2018

The behavioural phenotype of Potocki-Lupski syndrome: a cross-syndrome comparison.

Journal of neurodevelopmental disorders
2018

Reversed gender ratio of autism spectrum disorder in Smith-Magenis syndrome.

Molecular autism
2018

Functional analysis and treatment of problem behavior related to mands for rearrangement.

Journal of applied behavior analysis
2017

Next Generation Sequencing and Genome-Wide Genotyping Identify the Genetic Causes of Intellectual Disability in Ten Consanguineous Families from Jordan.

The Tohoku journal of experimental medicine
2018

Application of the BACs-on-Beads™ assay for rapid prenatal detection application of BoBs™ for PND of aneuploidies and microdeletions.

Molecular reproduction and development
2017

Safety profiles of novel agent therapies in CLL.

Hematology. American Society of Hematology. Education Program
2017

How should we sequence and combine novel therapies in CLL?

Hematology. American Society of Hematology. Education Program
2017

RAI1 gene mutations: mechanisms of Smith-Magenis syndrome.

The application of clinical genetics
2017

Efficacy and Safety of Pediatric Prolonged-Release Melatonin for Insomnia in Children With Autism Spectrum Disorder.

Journal of the American Academy of Child and Adolescent Psychiatry
2018

Multiethnic Meta-Analysis Identifies RAI1 as a Possible Obstructive Sleep Apnea-related Quantitative Trait Locus in Men.

American journal of respiratory cell and molecular biology
2017

[Application of chromosomal microarray analysis for fetuses with ventricular septal defects].

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics
2017

[Phenotypic and genetic analysis of a child carrying a 17q11.2 microdeletion].

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics
2017

Sleep Disorders in Childhood Neurogenetic Disorders.

Children (Basel, Switzerland)
2017

RAI1 Overexpression Promotes Altered Circadian Gene Expression and Dyssomnia in Potocki-Lupski Syndrome.

Journal of pediatric genetics
2017

Chronic lymphocytic leukemia: 2017 update on diagnosis, risk stratification, and treatment.

American journal of hematology
2017

[Social cognition in children with neurogenetic syndromes: A literature review].

Archives de pediatrie : organe officiel de la Societe francaise de pediatrie
2017

[Clinical Features and Response to Treatment in Newly Diagnosed Multiple Myeloma Patients with Deletion 17P].

Zhongguo shi yan xue ye xue za zhi
2018

Treatment of Del17p and/or aberrant TP53 chronic lymphocytic leukemia in the era of novel therapies.

Hematology/oncology and stem cell therapy
2017

Rai1 frees mice from the repression of active wake behaviors by light.

eLife
Ver todos os 318 no EuropePMC

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Doenças relacionadas

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Ordenadas pelo número de sintomas em comum.

Referências e fontes

Bases de dados externas citadas neste artigo

Publicações científicas

Artigos indexados no PubMed ligados a esta doença no grafo RarasNet — título, periódico e PMID direto da fonte, sem intermediação de IA.

  1. DNA methylation episignature for Smith-Magenis and Potocki-Lupski syndromes: a mirror perspective.
    European journal of human genetics : EJHG· 2026· PMID 41028553mais citado
  2. FLCN-Mutated Tumors in Smith-Magenis Syndrome: A Case Report of FLCN-Associated Pathogenesis.
    International journal of surgical pathology· 2026· PMID 41823029mais citado
  3. Behavioral Phenotype and Neuropsychological Profile of an Adult With Smith-Magenis Syndrome due to a Previously Unreported RAI1 Mutation: A Case Report.
    Clinical case reports· 2026· PMID 41767072mais citado
  4. A Clinical Practice Example of Smith-Magenis Syndrome in the Neuropediatric Clinic: Etiology, Clinical Presentation, Diagnostics and Therapeutic Approaches-A Case Report.
    Children (Basel, Switzerland)· 2026· PMID 41749535mais citado
  5. Phenotypic description of a large French series of individuals with Potocki-Lupski syndrome.
    Journal of medical genetics· 2026· PMID 41735031mais citado
  6. Smith-Magenis Syndrome.
    · 1993· PMID 20301487recente
  7. Sleep disorders in children with Smith-Magenis Syndrome - a neurodevelopmental disorder with sleep-wake-rhythm-dysfunction - recommendations for pediatricians.
    Sleep Breath· 2026· PMID 41796416recente

Bases de dados e fontes oficiais

Identificadores e referências canônicas usadas para montar este verbete.

  1. ORPHA:819(Orphanet)
  2. OMIM OMIM:182290(OMIM)
  3. MONDO:0008434(MONDO)
  4. GARD:8197(GARD (NIH))
  5. Variantes catalogadas(ClinVar)
  6. Busca completa no PubMed(PubMed)
  7. Artigo Wikipedia(Wikipedia)
  8. Q2295338(Wikidata)

Dados compilados pelo RarasNet a partir de fontes abertas (Orphanet, OMIM, MONDO, PubMed/EuropePMC, ClinicalTrials.gov, DATASUS, PCDT/MS). Este conteúdo é informativo e não substitui avaliação médica.

Conteúdo mantido por Agente Raras · Médicos e pesquisadores podem colaborar

Síndrome Smith-Magenis
Compêndio · Raras BR

Síndrome Smith-Magenis

ORPHA:819 · MONDO:0008434
Prevalência
1-9 / 100 000
Herança
Autosomal dominant
CID-10
Q93.5 · Outras deleções parciais de cromossomo
CID-11
Ensaios
4 ativos
Início
Adolescent, Adult, Childhood, Infancy, Neonatal
Prevalência
4.0 (Worldwide)
MedGen
UMLS
C0795864
EuropePMC
Wikidata
Wikipedia
Papers 10a
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