20q11.22CNV Type: Deletion
Largest CNV size: 10897 bp
Statistics Box:
Number of Reports: 7
Number of Reports: 7
Summary Information
Summary statement in development
Additional Locus Information
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
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
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
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
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