MSeqDR Mitochondrial Disease Portal


 
*:HP: HPO terms, UMDF: 1= Disease, ND: NAMDC terms.
  Most Studied  CPEO, Complex I Deficiency, COXPD1, Leigh, LHON, MELAS, MERRF, Myopathy, SANDO
Term ID:4857
Name:Fragile X Syndrome
Definition:A condition characterized genotypically by mutation of the distal end of the long arm of the X chromosome (at gene loci FRAXA or FRAXE) and phenotypically by cognitive impairment, hyperactivity, SEIZURES, language delay, and enlargement of the ears, head, and testes. INTELLECTUAL DISABILITY occurs in nearly all males and roughly 50% of females with the full mutation of FRAXA. (From Menkes, Textbook of Child Neurology, 5th ed, p226)
Alternative IDs:DO:DOID:14261|OMIM:300624|OMIM:309548
ParentIDs:MESH:D025064|MESH:D038901
TreeNumbers:C10.597.606.360.455.500 |C16.131.260.830.300 |C16.320.180.830.300 |C16.320.322.500.500 |C16.320.400.525.500
Synonyms:Fragile X-F Mental Retardation Syndrome |Fragile X Mental Retardation Syndrome |Fragile X Syndromes |FRAXA Syndrome |FRAXA Syndromes |FRAXE MENTAL RETARDATION SYNDROME |FRAXE Syndrome |FRAXE Syndromes |Fra(X) Syndrome |FXS |Marker X Syndrome |Marker X Syndromes |Mar
Slim Mappings:Congenital abnormality|Genetic disease (inborn)|Nervous system disease
Reference: MedGen: D005600
MeSH: D005600
OMIM: 300624;
MSeqDR LSDB:  
Genes: AFF2; FMR1;
Phenotypes
1 HP:0001423X-linked dominant inheritance
2 HP:0002457Abnormal head movements
3 HP:0000717Autism
NAMDC:  Autism
4 HP:0000280Coarse facial features
5 HP:0008640Congenital macroorchidism
6 HP:0003564Folate-dependent fragile site at Xq28
7 HP:0000752Hyperactivity
8 HP:0003829Incomplete penetrance
9 HP:0002342Intellectual disability, moderateHP:0040282
10 HP:0001388Joint laxity
11 HP:0002003Large forehead
12 HP:0000276Long face
13 HP:0000256Macrocephaly
14 HP:0002050Macroorchidism, postpubertal
15 HP:0000400Macrotia
16 HP:0000303Mandibular prognathia
17 HP:0001634Mitral valve prolapse
18 HP:0000767Pectus excavatum
19 HP:0007165Periventricular gray matter heterotopia
20 HP:0001763Pes planus
21 HP:0000817Poor eye contact
22 HP:0002650Scoliosis
23 HP:0001250Seizures
NAMDC:  Seizures
Disease Causing ClinVar Variants
Variation_NameGeneIDGeneSymbolClinicalSignificancedbSNPRCVaccessionTestedInGTRPhenotypeIDsChromosomeStartStopHGVS_cHGVS_pHGVS_gOtherIDsDisease_ClinVar
NC_000006.11:g.146735206_147036914del301709-1ADGB;ADGB-DT;GRM1;LOC114004398;LOC129997388;RAB32Pathogenic-1RCV000234921; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:9086146735206147036914-C0016667 300624 Fragile X syndrome;
NM_002024.6(FMR1):c.-129CGG[201]2332FMR1Pathogenic193922936RCV000162201; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X146993570146993572NC_000023.10:g.146993569CGG[201]-C0016667 300624 Fragile X syndrome;
NM_002024.6(FMR1):c.-128GGC[200_?]2332FMR1Pathogenic-1RCV000761552; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X146993570146993570-
NC_000023.10:g.146993570GGC[(?_45)]2332FMR1Benign-1RCV001249605; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X146993570146993570-1-
NM_002024.6(FMR1):c.-98GGC[11]2332FMR1Benign782036637RCV001678618|RCV001827581; NMedGen:C3661900|MONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X146993599146993600146993599-
NM_002024.6(FMR1):c.18G>T (p.Val6=)2332FMR1Benign/Likely benign111485627RCV000727572|RCV002312464|RCV002485801; NMedGen:CN169374|MeSH:D030342,MedGen:C0950123|MONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908; MONDO:MONDO:0010706,MedGen:C4552079,OMIM:311360; MONDO:MONDO:0010382,MedGen:C1839780,OMIM:300623, Orphanet:93256X146993715146993715NC_000023.10:g.146993715G>T-
NM_002024.6(FMR1):c.52-1_52delinsTA2332FMR1Pathogenic1557176576RCV000010650; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147003450147003451NC_000023.10:g.147003450_147003451delinsTAClinGen:CA658799869,OMIM:309550.0003C0016667 300624 Fragile X syndrome;
NM_002024.6(FMR1):c.80C>A (p.Ser27Ter)2332FMR1Pathogenic1569545382RCV000022880; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147003479147003479NC_000023.10:g.147003479C>AOMIM:309550.0005
NM_002024.6(FMR1):c.357A>C (p.Lys119Asn)2332FMR1Likely benign201580891RCV000990957; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147010263147010263X:g.147010263A>C-
NM_002024.6(FMR1):c.373del (p.Thr125fs)2332FMR1Pathogenic1569545562RCV000010649; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147010279147010279NC_000023.10:g.147010279delOMIM:309550.0002
NM_002024.6(FMR1):c.413G>A (p.Arg138Gln)2332FMR1Uncertain significance200163413RCV002275611; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147010319147010319147010319-
NM_002024.6(FMR1):c.414G>A (p.Arg138=)2332FMR1Benign25707RCV000079966|RCV001276519|RCV001668194|RCV002311599|RCV002498405; NMedGen:CN169374|MONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908|MedGen:C3661900|MeSH:D030342,MedGen:C0950123|MONDO:MONDO:0010706,MedGen:C4552079,OMIM:311360; MONDO:MONDO:0010382,MedGen:C1839780,OMIM:300623, Orphanet:93256; MONDX147010320147010320X:g.147010320G>AClinGen:CA147545CN169374 not specified;
NM_002024.6(FMR1):c.433G>T (p.Ala145Ser)2332FMR1Benign29281RCV000117089|RCV001276520|RCV002312108|RCV002477289; NMedGen:CN169374|MONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908|MeSH:D030342,MedGen:C0950123|MONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908; MONDO:MONDO:0010706,MedGen:C4552079,OMIM:311360; MONDO:X147011480147011480X:g.147011480G>TClinGen:CA152897,UniProtKB:Q06787#VAR_029278CN169374 not specified;
NM_002024.6(FMR1):c.786T>G (p.Phe262Leu)2332FMR1Uncertain significance2124521147RCV002222282; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147014099147014099147014099-
NM_002024.6(FMR1):c.818A>G (p.Lys273Arg)2332FMR1Benign/Likely benign139029212RCV000513003|RCV001195728|RCV002527421; NMedGen:C3661900|MONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908|MeSH:D030342,MedGen:C0950123X147014220147014220X:g.147014220A>GClinGen:CA10536229CN517202 not provided;
NM_002024.6(FMR1):c.911T>A (p.Ile304Asn)2332FMR1Pathogenic121434622RCV000010648; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147018053147018053X:g.147018053T>AClinGen:CA254953,UniProtKB:Q06787#VAR_005234,OMIM:309550.0001C0016667 300624 Fragile X syndrome;
NM_002024.6(FMR1):c.990+14C>T2332FMR1Benign25714RCV000079968|RCV001682769|RCV001826716; NMedGen:CN169374|MedGen:C3661900|MONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147018146147018146X:g.147018146C>TClinGen:CA147547CN169374 not specified;
NM_002024.6(FMR1):c.1184G>A (p.Trp395Ter)2332FMR1Likely pathogenic2043856428RCV001328911; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147019676147019676147019676-
NM_002024.6(FMR1):c.1268_1269del (p.Tyr423fs)2332FMR1Likely pathogenic-1RCV002287600; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147022173147022174147022172-
NM_002024.6(FMR1):c.1282G>C (p.Asp428His)2332FMR1Uncertain significance2044064790RCV001328912; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147024657147024657147024657-
NM_002024.6(FMR1):c.1325G>A (p.Arg442Gln)2332FMR1Conflicting interpretations of pathogenicity-1RCV002465415|RCV003149035|RCV003317610; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908|MedGen:CN517202|MedGen:CN169374X147024700147024700NC_000023.10:g.147024700G>A-
NM_002024.6(FMR1):c.1572C>T (p.Ser524=)2332FMR1Benign/Likely benign143889976RCV000193183|RCV001276521|RCV001573098|RCV002317683; NMedGen:CN169374|MONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908|MedGen:C3661900|MeSH:D030342,MedGen:C0950123X147026489147026489X:g.147026489C>TClinGen:CA206490CN169374 not specified;
NM_002024.6(FMR1):c.1691G>A (p.Arg564His)2332FMR1Uncertain significance-1RCV003329098; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147027090147027090-
NM_002024.6(FMR1):c.1831C>T (p.Arg611Cys)2332FMR1Uncertain significance961588789RCV002272691; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147030296147030296147030296-
NM_002024.6(FMR1):c.*746T>C2332FMR1Benign183130936RCV000990958; NMONDO:MONDO:0010383,MedGen:C0016667,OMIM:300624, Orphanet:449291, Orphanet:908X147031110147031110X:g.147031110T>C-
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