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20q11.22CNV Type: Deletion


Largest CNV size: 10897 bp

Statistics Box:
Number of Reports: 7



Summary Information

Summary statement in development

Additional Locus Information

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References

Major Reports

Title
Author, Year
Report Class
CNV Type
Cryptic chromosome rearrangements in five patients, with normal and/or abnormal karyotypes, associated with mental retardation, autism and/or epile...
Duplication
Refinement and discovery of new hotspots of copy-number variation associated with autism spectrum disorder.
Duplication
Excess of rare, inherited truncating mutations in autism.
Duplication

Minor Reports

Title
Author, Year
Report Class
CNV Type
Multiple recurrent de novo CNVs, including duplications of the 7q11.23 Williams syndrome region, are strongly associated with autism.
Deletion
Use of array CGH to detect exonic copy number variants throughout the genome in autism families detects a novel deletion in TMLHE.
Deletion
A discovery resource of rare copy number variations in individuals with autism spectrum disorder.
Deletion
NA
Duplication

Cases

Cohort ID
Author, Year
Descripton
Cohort Size
Diagnosis
Age
Gender
CNV Size
Deletion
Duplication
Total CNV's
 cabras_12_ASD/MR/EP_discovery_cases
 Patients with normal and/or abnormal karyotypes and dysmorphic features, associated with mental retardation, autism, and/or epilepsy
 10
 ASD, mental retardation (MR), and/or epilepsy (EP)
 NA
 NA
 121000
 0
 1
 1
 celestino-soper_11_ASD_discovery_cases
 ASD probands from Simons Simplex Collection (SSC) trios. 90 of the probands in this study were also used in the Sanders et al. 2011 CNV report.
 99
 ASD
 
 87.88% Male
 272
 1
 0
 1
 girirajan_13a_ASD_discovery_cases
 1979 simplex cases from the Simons Simplex Collection (SSC), 579 multiplex cases from AGRE.
 2588
 Diagnosis of ASD based on meeting criteria on the Autism Diagnostic Observation Schedule (ADOS) and on the Autism Diagnostic Interview, Revised (ADI-R)
 NA
 NA
 181378
 0
 2
 2
 krumm_15_ASD_discovery_cases
 Probands from the Simons Simplex Collection
 2377
 Diagnosis of ASD
 N/A
 N/A
 15404
 0
 1
 1
 maini_18_ASD/DD/ID_discovery_cases
  NA NA
 Patients evaluated at the Clinical Genetics Unit of Arcispedale Santa Maria Nuova, AUSL-IRCCS of Reggio Emilia that were investigated through aCGH between 2005 and 2016
 293
 Cases presented with one or more neurodevelopmental disorders (NDD), multiple congenital anomalies (MCA), and/or dysmorphic features. Most frequent neurodevelopmental diagnoses include language delay (78.5%), intellectual disability (66.4%), motor delay (50.7%), and ASD (13.9%); dysmorphic features were also frequently observed (52.7%)
 Mean age, 7 yrs. (range, 1 mo.-29 yrs.)
 57.5% Male
 152000
 0
 1
 1
 prasad_12_ASD_discovery_cases
 Unrelated ASD cases recruited from three Canadian sites (Hospital for Sick Children, McMaster University, and Memorial University of Newfoundland); the majority of cases had been previously genotyped with results published in Marshall et al., 2008 and Pinto et al., 2010. 20 cases from initial cohort of 696 were excluded from further analysis (due to CNVs > 5 Mb).
 676
 Diagnosis of ASD based on meeting criteria on ADI-R and/or ADOS
 NA
 82.84% Male
 6287
 1
 0
 1
 sanders_11_ASD_discovery_cases
 Autistic probands from the Simons Simplex Collection (SSC). 872 probands in quartet families, 272 probands in trios.
 1124
 ASD diagnosis: 89.5% autism; 8.5% PDD-NOS, 2% Asperger syndrome. Mean full-scale IQ 85.1 1.5 (mean verbal IQ, 81.9 1.7; mean non-verbal IQ, 88.4 1.4)
 Mean, 9.1 yrs.
 86.1% Male
 10897
 2
 0
 2

Controls

Cohort ID
Author, Year
Descripton
Cohort Size
Diagnosis
Age
Gender
CNV Size
Deletion
Duplication
Total CNV's
 girirajan_13a_ASD_discovery_controls1
 NIMH control cohort consisting of 207 DNA samples obtained from Rutgers Univ. Cell and DNA Repository, and 373 individuals from ClinSeq study of artherosclerotic disease
 580
 Control. Individuals from NIMH control cohort negative for DSM-IV criteria for major depression and history of bipolar disorder or psychosis.
 NA
 NA
 0
 0
 0
 0
 girirajan_13a_ASD_discovery_controls2
 Controls characterized through the Wellcome Trust Case-Control Consortium (WTCCC) for smaller hotspot regions and candidate-gene events
 2090
 Control
 NA
 NA
 0
 0
 0
 0
 krumm_15_ASD_discovery_controls
 Unaffected siblings from quad families from the Simons Simplex Collection
 1786
 Control
 N/A
 N/A
 0
 0
 0
 0
 prasad_12_ASD_discovery_controls
 PDx controls [1000 DNA samples from reportedly healthy donors (50.2% male) from BioServe (Beltsville, MD)] and 4139 in-house controls previously reported in Krawcak et al. 2006, Stewart et al. 2009, and Bierut et al. 2010. CNVs identified in controls were used to define rare ASD-specific CNVs.
 5139
 Control
 NA
 NA (PDx controls 50.2% male)
 6287
 0
 0
 0
 sanders_11_ASD_discovery_controls
 Matched siblings of autistic probands from the Simons Simplex Collection (SSC).
 872
 Controls
 Mean, 10.0 yrs.
 
 0
 0
 0
 0

Cases

Cohort ID
Geographical Ancestry
Discovery Method
Platform
Algorithm
Software
Validation Method
 cabras_12_ASD/MR/EP_discovery_cases
  European
 aCGH
  BACs aCGH (Cytochips Bluegnome)
 
 Bluefuse Cytochip software
 FISH
 celestino-soper_11_ASD_discovery_cases
 
 aCGH
  Agilent 1M
 ADM-2
 Agilent Feature Extraction v10.7.3.1, Agilent DNA Analytics v4.0.76
 None
 girirajan_13a_ASD_discovery_cases
  NA
 aCGH
  Custom microarray with a high density of probes targeted to 1,367 regions with a susceptible genomic architecture
 ADM-2
 Agilent Genomic Workbench
 aCGH (NimbleGen 135K array)
 krumm_15_ASD_discovery_cases
  N/A
 WES
 
 CoNIFER, XHMM
 
 Solid phase hybridization (Illumina 1M, 1 M Duo, or Omni 2.5)
 maini_18_ASD/DD/ID_discovery_cases
  Italian
 aCGH, array SNP
  Multiple platforms, including Agilent and Affymetrix arrays (8x60K oligochips since 2012)
 
 
 None
 prasad_12_ASD_discovery_cases
  Canada
 aCGH
  Agilent 1M
 ADM-2, DNAcopy (R Bioconductor)
 DNA Analytics v4.0.85 (Agilent), DNAcopy
 None
 sanders_11_ASD_discovery_cases
  White non-Hispanic, 74.5%; mixed, 9.3%, Asian, 4.3%, White Hispanic, 4.0%, African-American, 3.8%; other, 4.2&
 Solid phase hybridization
  Illumina 1M v1, Illumina 1M v3
 PennCNV, QuantiSNP, GNOSIS
 
 

Controls

Cohort ID
Geographical Ancestry
Discovery Method
Platform
Algorithm
Software
Validation Method
  girirajan_13a_ASD_discovery_controls1
  NA
  aCGH
  Custom microarray with a high density of probes targeted to 1,367 regions with a susceptible genomic architecture
  ADM-2
  Agilent Genomic Workbench
  None
  girirajan_13a_ASD_discovery_controls2
  NA
  Solid phase hybridization
  Illumina 1.2M SNP microarray
 
 
  None
  krumm_15_ASD_discovery_controls
  N/A
  WES
 
  CoNIFER, XHMM
 
  None
  prasad_12_ASD_discovery_controls
  NA
  aCGH
  Agilent 1M
  ADM-2, DNAcopy (R Bioconductor)
  DNA Analytics v4.0.85 (Agilent), DNAcopy
 
  sanders_11_ASD_discovery_controls
 
  Solid phase hybridization
  Illumina 1M v1 or Illumina 1M v3
  PennCNV, QuantiSNP, GNOSIS
 
 

Cases

Patient ID
Author, Year
Age
Gender
Primary Diagnosis
Clinical Profile
Cognitive Profile
CNV Start
CNV End
CNV Size
Genome Build
Type Method
Validation
  cabras_12_ASD/MR/EP_discovery_cases-case3
 14 yrs.
 F
 Mental retardation and epilepsy
 Epilepsy
 Mental retardation
 33103098
 33224086
  121000
 Unknown
 Duplication
 Yes
  celestino-soper_11_ASD_discovery_cases-11399
 NA
 M
 ASD
 NA
 NA
 33686142
 33686414
  273
 GRCh38
 Deletion
 No
  girirajan_13a_ASD_discovery_cases-13782.p1
 N/A
 N/A
 ASD
 Diagnosis of ASD based on meeting criteria on the Autism Diagnostic Observation Schedule (ADOS) and on the Autism Diagnostic Interview, Revised (ADI-R)
 N/A
 35787973
 35969351
  181379
 GRCh38
 Duplication
 Yes
  girirajan_13a_ASD_discovery_cases-14473.p1
 N/A
 N/A
 ASD
 Diagnosis of ASD based on meeting criteria on the Autism Diagnostic Observation Schedule (ADOS) and on the Autism Diagnostic Interview, Revised (ADI-R)
 N/A
 35724729
 35782006
  57278
 GRCh38
 Duplication
 No
  krumm_15_ASD_discovery_cases-case14209.p1
 N/A
 Male
 ASD
 Proband from the Simons Simplex Collection (SSC). Family type: Quad
 
 35617519
 35632923
  15405
 GRCh38
 Duplication
 Yes
  maini_18_ASD/DD/ID_discovery_cases-case_unknown114
  NA NA
 N/A
 N/A
 NDD/MCA/dysmorphic features
 CNV was identified in an individual with one or more neurodevelopmental disorders (NDD), multiple congenital anomalies (MCA), and/or dysmorphic features (detailed clinical information was not available). CNV classified as variant of unknown significance-likely benign (VOUS-LB), CNV reported as 20q11.2 in original report
 
 34181792
 34334131
  152340
 GRCh38
 Duplication
 No
  prasad_12_ASD_discovery_cases-case100579L
 NA
 M
 ASD
 Diagnosis of ASD based on meeting criteria on ADI-R and/or ADOS. Novel CNV
 
 31554867
 31561153
  6287
 Unknown
 Deletion
 No
  sanders_11_ASD_discovery_cases-12598.p1
 17.4
 M
 Autism
 NA
 Full-scale IQ, 65; non-verbal IQ, 83; verbal IQ, 34
 33506307
 33512662
  6356
 GRCh38
 Deletion
 No
  sanders_11_ASD_discovery_cases-12710.p1
 4
 M
 Autism
 NA
 Full-scale IQ, 88; non-verbal IQ, 81; verbal IQ, 105
 33656331
 33667228
  10898
 GRCh38
 Deletion
 No

Controls

No Control Data Available

Cases

Patient ID
Validation Description
Primary Disorder Inheritence
Inheritence
Family Profile
Disease Segregation
Gene Content
Altered Gene Expression
 cabras_12_ASD/MR/EP_discovery_cases-case3
 FISH
 
 De novo
 Unknown
 Possibly segregated
 DYNLRB1,MAP1LC3A,PIGU
 
 celestino-soper_11_ASD_discovery_cases-11399
 
 
 Unknown
 Simplex
 NA
 E2F1
 
 girirajan_13a_ASD_discovery_cases-13782.p1
 aCGH (NimbleGen 135K array)
 
 Maternal
 Simplex
 Unknown
 COX7BP2,HIGD1AP16,RNU4-40P,RNU6-937P,SCAND1,CNBD2,PHF20
 
 girirajan_13a_ASD_discovery_cases-14473.p1
 
 
 Unknown
 Simplex
 Unknown
 RPF2P1,RBM39,PHF20
 
 krumm_15_ASD_discovery_cases-case14209.p1
 Omni2.5-4v1
 
 Paternal
 Simplex
 Not segregated (CNV in unaffected sibling)
 SPAG4,CPNE1
 
 maini_18_ASD/DD/ID_discovery_cases-case_unknown114
 
 
 Paternal
 Unknown
 Unknown
 XPOTP1,AHCY,ASIP
 
 prasad_12_ASD_discovery_cases-case100579L
 
 
 Unknown
 Unknown
 Unknown
 CBFA2T2
 
 sanders_11_ASD_discovery_cases-12598.p1
 
 
 Paternal
 Simplex (quad-proband matched)
 Segregated
 CBFA2T2
 
 sanders_11_ASD_discovery_cases-12710.p1
 
 
 Unknown
 Simplex (trio)
 NA
 C20orf144,ACTL10,NECAB3
 

Controls

No Control Data Available
No Animal Model Data Available
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