DEPArray-based sorting of pure carcinoma and stromal populations from formalin-fixed paraffin-embedded (FFPE) tissues followed by shallow whole genome sequencing
To overcome the challenges of low DNA yields, degraded DNA by formalin fixation and diluted signal of genomic aberrations by non-carcinoma components in the heterogeneous FFPE samples, we isolated pure carcinoma and stromal cells using the DEPArray™ NxT system, a microchip-based digital sorter that allows isolation of pure, homogeneous subpopulations of cells from FFPE samples. We isolated pure carcinoma and stromal cell populations from 12 FFPE tissues, including tissues from 9 primary and metastatic breast cancer and 3 primary ovarian high-grade serous carcinomas. This was followed by downstream shallow whole genome sequencing (WGS) for copy number landscape profiling for 10 samples. Seven out of 10 samples (even some with low tumour content or of old age) produced good quality genomic data, detecting sCNA in all carcinoma population samples but not in the stromal populations.
- 16/10/2025
- 40 samples
- DAC: EGAC50000000768
- Technology: NextSeq 2000
project specific restriction
project specific restriction
Studies are experimental investigations of a particular phenomenon, e.g., case-control studies on a particular trait or cancer research projects reporting matching cancer normal genomes from patients.
| Study ID | Study Title | Study Type |
|---|---|---|
| EGAS50000001328 | Whole Genome Sequencing |
This table displays only public information pertaining to the files in the dataset. If you wish to access this dataset, please submit a request. If you already have access to these data files, please consult the download documentation.
| ID | File Type | Size | Quality Report |
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| EGAF50000452227 | fastq.gz | 202.0 MB |
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| EGAF50000452228 | fastq.gz | 212.6 MB |
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| EGAF50000452229 | fastq.gz | 155.3 MB |
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| EGAF50000452230 | fastq.gz | 156.7 MB |
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| EGAF50000452231 | fastq.gz | 167.3 MB |
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| EGAF50000452232 | fastq.gz | 192.2 MB |
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| EGAF50000452233 | fastq.gz | 202.2 MB |
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| EGAF50000452234 | fastq.gz | 137.1 MB |
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| EGAF50000452235 | fastq.gz | 145.5 MB |
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| EGAF50000452236 | fastq.gz | 192.0 MB |
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| EGAF50000452237 | fastq.gz | 203.7 MB |
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| EGAF50000452238 | fastq.gz | 187.1 MB |
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| EGAF50000452239 | fastq.gz | 194.3 MB |
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| EGAF50000452240 | fastq.gz | 217.7 MB |
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| EGAF50000452241 | fastq.gz | 229.3 MB |
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| EGAF50000452242 | fastq.gz | 226.3 MB |
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| EGAF50000452243 | fastq.gz | 234.7 MB |
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| EGAF50000452244 | fastq.gz | 262.3 MB |
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| EGAF50000452245 | fastq.gz | 274.9 MB |
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| EGAF50000452246 | fastq.gz | 141.5 MB |
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| EGAF50000452247 | fastq.gz | 162.5 MB |
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| EGAF50000452248 | fastq.gz | 148.0 MB |
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| EGAF50000452249 | fastq.gz | 160.3 MB |
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| EGAF50000452250 | fastq.gz | 119.5 MB |
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| EGAF50000452251 | fastq.gz | 137.5 MB |
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| EGAF50000452252 | fastq.gz | 175.8 MB |
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| EGAF50000452253 | fastq.gz | 181.1 MB |
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| EGAF50000452254 | fastq.gz | 143.3 MB |
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| EGAF50000452255 | fastq.gz | 151.3 MB |
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| EGAF50000452256 | fastq.gz | 141.0 MB |
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| EGAF50000452257 | fastq.gz | 164.2 MB |
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| EGAF50000452282 | fastq.gz | 297.1 MB |
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| EGAF50000452283 | fastq.gz | 315.1 MB |
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| EGAF50000452284 | fastq.gz | 384.9 MB |
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| EGAF50000452285 | fastq.gz | 408.4 MB |
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| EGAF50000452286 | fastq.gz | 340.1 MB |
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| EGAF50000452287 | fastq.gz | 356.1 MB |
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| EGAF50000452288 | fastq.gz | 323.5 MB |
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| EGAF50000452289 | fastq.gz | 352.4 MB |
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| EGAF50000452290 | fastq.gz | 163.0 MB |
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| 40 Files (8.6 GB) | ||||
