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Xq21.2-q21.31CNV Type: Duplication


Largest CNV size: 550850 bp

Statistics Box:
Number of Reports: 4



Summary Information

Rare singleton duplication within this region was found in a case from a study of 15,749 individuals from the International Standards for Cytogenomic Arrays (ISCA) consortium with unexplained developmental delay, intellectual disability, dysmorphic features, multiple congenital anomalies, autism spectrum disorders, or clinical features suggestive of a chromosomal syndrome (Kaminsky et al., 2011).

Additional Locus Information

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References

Major Reports

Title
Author, Year
Report Class
CNV Type
An evidence-based approach to establish the functional and clinical significance of copy number variants in intellectual and developmental disabili...
Duplication
Both rare and de novo copy number variants are prevalent in agenesis of the corpus callosum but not in cerebellar hypoplasia or polymicrogyria.
Duplication

Minor Reports

Title
Author, Year
Report Class
CNV Type
NA
Duplication
Copy number variation analysis of patients with intellectual disability from North-West Spain.
Duplication

Cases

Cohort ID
Author, Year
Descripton
Cohort Size
Diagnosis
Age
Gender
CNV Size
Deletion
Duplication
Total CNV's
 digregorio_17_DD/ID_discovery_cases
  NA NA
 Consecutive cases examined in the Medical Genetics Unit at the "Citta della Salte e della Scienza" University Hospital (Turin, Italy) from 2008 to 2014 (cases with CNVs are present in DECIPHER database)
 1015
 Cases diagnosed with idiopathic developmental delay and/or intellectual disability (DD/ID)
 N/A
 N/A
 566000
 0
 1
 1
 kaminsky_11_DD/ID/ASD_discovery_cases
 Cases from the International Standards for Cytogenomic Arrays (ISCA) consortium
 15749
 Unexplained developmental delay, intellectual disability, dysmorphic features, multiple congenital anomalies, autism spectrum disorders, or clinical features suggestive of a chromosomal syndrome
 NA
 NA
 550850
 0
 1
 1
 quintela_17_DD/ID_discovery_cases
 Galician (NW Spain) patients recruited from the Complexo Hospitalario Universitario de Santiago de Compostela and referred to the Fundacion Publica Galega de Medicina Xenomica for genetic study
 573
 All participants had a clinical diagnosis of idiopathic intellectual disability (ID) or global developmental delay (DD) with or without another medical condition [e.g. autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD), epilepsy, dysmorphic features, and/or congenital anomalies]
 Range, 3 months-18 years
 60.38% Male
 1000585
 0
 1
 1
 sajan_13_ACC/CBLH/PMG_discovery_cases
 Individuals with severe congenital brain malformations [agenesis of the corpus callosum (ACC), cerebellar hypoplasia (CBLH), and/or polymicrogyria (PMG)] and additional neurodevelopmental phenotypes
 487
 Diagnosis of agenesis of the corpus callosum (ACC), cerebellar hypoplasia (CBLH), and/or polymicrogyria (PMG); additional diagnoses of autism spectrum disorder (ASD), developmental delay (DD), intellectual disability (ID) and/or seizures in some patients
 N/A
 N/A
 393313
 0
 1
 1

Controls

Cohort ID
Author, Year
Descripton
Cohort Size
Diagnosis
Age
Gender
CNV Size
Deletion
Duplication
Total CNV's
 kaminsky_11_DD/ID/ASD_discovery_controls
 Controls from the International Standards for Cytogenomic Arrays (ISCA) consortium
 10118
 Controls
 NA
 NA
 NA
 NA
 NA
 NA

Cases

Cohort ID
Geographical Ancestry
Discovery Method
Platform
Algorithm
Software
Validation Method
 digregorio_17_DD/ID_discovery_cases
  Italian
 aCGH
  Agilent 60K (SurePrint G3 Human CGH Microarray 8x60K)
 ADM-2
 Agilent CGH Analytics software ver. 4.0.81
 None
 kaminsky_11_DD/ID/ASD_discovery_cases
  NA
 aCGH
  Agilent 44K, Agilent 105K
 
 Feature Extraction, DNA Analytics
 FISH, qPCR, MLPA, aCGH, standard G-banded chromosome analysis
 quintela_17_DD/ID_discovery_cases
  North West Spain
 Array SNP
  Affymetrix Cytogenetics Whole-Genome 2M SNP array, Affymetrix CytoScan HD
 
 Affymetrix ChAS v.1.2.2
 None
 sajan_13_ACC/CBLH/PMG_discovery_cases
  81.31% Caucasian
 Solid phase hybridization
  Illumina InfiniumII HumanHap610
 PennCNV
 
 qPCR

Controls

Cohort ID
Geographical Ancestry
Discovery Method
Platform
Algorithm
Software
Validation Method
  kaminsky_11_DD/ID/ASD_discovery_controls
  NA
  aCGH
  Agilent 44K, Agilent 105K
 
  Feature Extraction, DNA Analytics
 

Cases

Patient ID
Author, Year
Age
Gender
Primary Diagnosis
Clinical Profile
Cognitive Profile
CNV Start
CNV End
CNV Size
Genome Build
Type Method
Validation
  digregorio_17_DD/ID_discovery_cases-DECIPHER_300317
  NA NA
 N/A
 M
 Developmental delay/intellectual disability
 
 
 86889035
 87454809
  565775
 GRCh38
 Duplication
 No
  kaminsky_11_DD/ID/ASD_discovery_cases-ISCA00004921
 NA
 NA
 Developmental delay/intellectual disability/ASD
 Clinical profile NA
 Cognitive profile NA
 86903959
 87454809
  550851
 GRCh38
 Duplication
 Yes
  quintela_17_DD/ID_discovery_cases-caseID_32
 2 yrs.
 F
 Developmental delay
 Additional clinical information N/A
 Global developmental delay
 86377739
 87378323
  1000585
 GRCh38
 Duplication
 No
  sajan_13_ACC/CBLH/PMG_discovery_cases-caseLR08-005
 N/A
 N/A
 PMG
 Diagnosis of polymicrogyria (PMG).
 
 86678036
 87071348
  393313
 GRCh38
 Duplication
 Yes

Controls

No Control Data Available

Cases

Patient ID
Validation Description
Primary Disorder Inheritence
Inheritence
Family Profile
Disease Segregation
Gene Content
Altered Gene Expression
 digregorio_17_DD/ID_discovery_cases-DECIPHER_300317
 
 
 Maternal
 
 
 
 
 kaminsky_11_DD/ID/ASD_discovery_cases-ISCA00004921
 FISH, qPCR, MLPA, aCGH, or standard G-banded chromosome analysis
 
 Maternal
 Unknown
 Unknown
 
 
 quintela_17_DD/ID_discovery_cases-caseID_32
 
 
 Unknown
 
 Unknown
 FCF1P9,DACH2
 
 sajan_13_ACC/CBLH/PMG_discovery_cases-caseLR08-005
 qPCR
 
 Maternal
 Unknown
 Unknown
 DACH2
 

Controls

No Control Data Available
No Animal Model Data Available
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