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Due to system maintenance, the application system, application review by the Data Access Committee will be unavailable during the following period.
Schedule: October 5th (Mon), 2026, 9:00 - October 7th (Wed), 2026, 15:00 (JST)
We apologize for any inconvenience this may cause and appreciate your understanding.

We are currently receiving a large number of applications for data submission, and the review process is taking longer than usual.We sincerely apologize for the delay and kindly ask for your understanding. When submitting an application, we would greatly appreciate it if you could allow sufficient time for the processing.

Following a change to our organizational structure effective April 1, 2026, this division has been renamed from the "Database Center for Life Science, Joint Support-Center for Data Science Research" to the "Database Division for Life Science (DBCLS), BioData Science Initiative (BSI), National Institute of Genetics (NIG)". Where the former name still appears in the guidelines, please read it as the new name.

Dataset ID

JGAD000221

Type of data
NGS (RNA-seq)
Methylation array
SNP array
Access criteria
Controlled-access (Type I)
Total data volume
204 GB
File formats
  • BAM
  • IDAT
  • CEL
Research
hum0144
Date published
2020-09-28
Date modified
2020-11-18
DDBJ Search
JGAD000221 (opens in a new tab)
JGA Study
JGAS000147 (opens in a new tab)

Analysis method

RNA-seq

Materials and participants
pediatric B-cell precursor acute lymphoblastic leukemia in Down syndrome (ICD10: C91.0): 25 cases
  • Health status
    Affected
  • Subject count
    25 (Individual)
Disease
pediatric B-cell precursor acute lymphoblastic leukemia in Down syndrome (C910)
Sample description
RNAs extracted from bone marrow aspirates of pediatric B-cell precursor acute lymphoblastic leukemia in Down syndrom patients
  • Tissue
    Bone marrow
  • Tumor / normal
    Tumor
Sample provider
N/A
Experimental method
RNA-seq
Target
N/A
Reagent kit
NEBNext Ultra RNA Library Prep Kit for Illumina
Fragmentation
Enzymatic fragmentation
Platform
Illumina HiSeq 2000
Illumina HiSeq 2500
Read type
Paired-end
Read length
100 bp
Reference genome
GRCh37
Data use policy
NBDC data sharing policy (JGAP000001)

Genotyping by array

Materials and participants
pediatric B-cell precursor acute lymphoblastic leukemia in Down syndrome (ICD10: C91.0): 36 cases
  • Health status
    Affected
  • Subject count
    36 (Individual)
  • Age group
    Child
Disease
pediatric B-cell precursor acute lymphoblastic leukemia in Down syndrome (C910)
Sample description
DNAs extracted from bone marrow aspirates of pediatric B-cell precursor acute lymphoblastic leukemia in Down syndrom patients
  • Tissue
    Bone marrow
  • Tumor / normal
    Tumor
Sample provider
N/A
Experimental method
Genotyping by array
Target
N/A
Reagent kit
CytoScan HD Kit
Platform
Affymetrix CytoScan HD
Affymetrix GeneChip Human Mapping 250K Nsp Array
Analysis method
Genotyping Console ver. 4.2.0.26
Variant count
750,000 SNPs
250,000 SNPs
Data use policy
NBDC data sharing policy (JGAP000001)

メチル化アレイ

Materials and participants
pediatric B-cell precursor acute lymphoblastic leukemia in Down syndrome (ICD10: C91.0): 36 cases
  • Health status
    Affected
  • Subject count
    36 (Individual)
  • Age group
    Child
Disease
pediatric B-cell precursor acute lymphoblastic leukemia in Down syndrome (C910)
Sample description
DNAs extracted from bone marrow aspirates of pediatric B-cell precursor acute lymphoblastic leukemia in Down syndrom patients
  • Tissue
    Bone marrow
  • Tumor / normal
    Tumor
Sample provider
N/A
Experimental method
Methylation array
Target
N/A
Reagent kit
EpiTect Fast Bisulfite Conversion Kit
Infinium MethylationEPIC BeadChip Kit
Platform
Illumina Infinium HumanMethylation450
Illumina Infinium MethylationEPIC
Analysis method
iScan system and GenomeStudio Software (Illumina)
Probe count
450,000
850,000
Data use policy
NBDC data sharing policy (JGAP000001)