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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

JGAD001127

Type of data
NGS (scRNA-seq, scTCR-seq)
Access criteria
Controlled-access (Type I)
Total data volume
1.3 TB
File formats
  • FASTQ
Research
hum0294
Date published
2026-11-02
Date modified
2026-11-02
DDBJ Search
JGAD001127 (opens in a new tab)
JGA Study
JGAS000966 (opens in a new tab)

Analysis method

scRNA-seq + scTCR-seq

Materials and participants
advanced gastric cancer: 12 cases
advanced gastroesophageal junction (GEJ) cancer: 2 cases
- tumor specimens at three time points: before treatment (14 samples: 12 gastric, 2 GEJ), during treatment (12 samples: 10 gastric, 2 GEJ), and at disease progression (9 samples: 7 gastric, 2 GEJ)
  • Health status
    Affected
  • Subject count
    14 (Individual)
  • Population
    Japanese
Disease
  • gastroesophageal junction cancer
  • gastric cancer
Sample description
RNA extracted from single cells isolated from tumor tissues
  • Tissue
    Esophagus, Stomach
  • Tumor / normal
    Tumor
Sample provider
N/A
Experimental method
scTCR-seq
scRNA-seq
Target
N/A
Reagent kit
Chromium Next GEM Single Cell 5' v2
Fragmentation
Enzymatic fragmentation
Platform
Illumina NovaSeq X Plus
Read type
Paired-end
Read length
28 bp (read1)
90 bp (read2)
Data use policy
NBDC data sharing policy (JGAP000001)