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msk_spectrum_tme_2022: CD45 sort-fraction caveat + sort-fraction track - #2342

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msk_spectrum_tme_2022: CD45 sort-fraction caveat + sort-fraction track#2342
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@inodb inodb commented Jul 1, 2026

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Two related additions for msk_spectrum_tme_2022, both about the study's CD45 FACS-sorted single-cell data:

  1. Caveat in the cell-type profile descriptions — the relative + absolute cell-type fraction profiles gain a Caveat: note. These fractions come from CD45-sorted scRNA-seq, so a sample's composition reflects its sort gate (some samples are immune-only or non-immune-only) rather than whole-tumor cellularity. The frontend renders Caveat: as a ⚠ per-track warning (Surface profile data caveats as a per-track warning in OncoPrint cbioportal-frontend#5637).

  2. New CD45 Sort Fraction generic-assay track (SINGLE_CELL_GATING, categorical) — records which CD45 fraction(s) were actually sequenced per sample (CD45-positive (immune) / CD45-negative (non-immune) / CD45-positive and negative / Unknown), derived from the paper's Supplementary Table 2 (aliquot IDs encode CD45P/CD45N) and matched to sample barcodes via the MSK-IMPACT + Bulk-WGS crosswalks. Keeps all single-cell data under generic assay, and explains the one-sided compositions the caveat warns about.

Files

  • meta_relative_fraction.txt, meta_absolute_counts.txtCaveat: appended to profile_description
  • meta_cell_gating.txt — new categorical generic-assay profile (in this PR)
  • data_cell_gating.txt — the sort-fraction values (LFS — pending push)

Companion frontend PR: cBioPortal/cbioportal-frontend#5637

🤖 Generated with Claude Code

… profile descriptions

The cell-type fraction profiles are derived from CD45 FACS-sorted scRNA-seq, so
each sample's composition reflects its sort gate rather than whole-tumor
cellularity. Flag this with a 'Caveat:' marker in profile_description so the
OncoPrint surfaces it as a per-track warning.
@inodb inodb changed the title msk_spectrum_tme_2022: note CD45 cell-sorting caveat in cell-type profile descriptions msk_spectrum_tme_2022: CD45 sort-fraction caveat + sort-fraction track Jul 1, 2026
@inodb
inodb force-pushed the msk-spectrum-cell-sort-caveat branch 4 times, most recently from c6eb326 to 21e65bd Compare July 1, 2026 18:56
…_2022

Categorical generic-assay track (generic_assay_type SINGLE_CELL_GATING, stable_id
cell_gating) recording which CD45 flow-sort fraction(s) were sequenced per sample
(from Vazquez-Garcia et al. 2022, Suppl. Table 2). General type + cell_gating
file/stable_id names for cross-study reuse; profile name and values stay
CD45-specific. Data file (data_cell_gating.txt) is LFS-tracked, pushed separately.
@inodb
inodb force-pushed the msk-spectrum-cell-sort-caveat branch from 21e65bd to 89472ad Compare July 1, 2026 19:56
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