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肺腺癌单细胞数据集GSE189357复现系列之十:联合bulk数据进行细胞亚群预后验证

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TL;DR - This tutorial integrates lung adenocarcinoma single-cell dataset GSE189357 with TCGA-LUAD bulk RNA-seq and survival data to assess the prognostic relevance of tumor epithelial subpopulations. It provides a reproducible GSVA and Kaplan–Meier workflow for translating cell-level signatures into clinically testable biomarkers.

  • Single-cell epithelial-subcluster marker genes are converted into gene sets and scored across TCGA-LUAD tumors using GSVA.
  • Clinical validation uses Kaplan–Meier analyses with both median-based and optimized cutoffs after excluding samples with missing survival data or follow-up under 30 days.
  • The workflow separately evaluates UBE2C, associated with a proliferative tumor subpopulation, as a candidate overall-survival marker.
  • The article presents methodology and code but does not provide enough reported statistics here to establish prognostic significance.

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肺腺癌单细胞数据集GSE189357复现系列之十:联合bulk数据进行细胞亚群预后验证

WeChat: 单细胞天地 2026-08-19
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Providers: Hugging Face · N/A OpenAlex · N/A Publisher · N/A Semantic Scholar · N/A X · N/A Fetched 2026-09-21 14:33:18.624626 UTC

TL;DR - This tutorial integrates lung adenocarcinoma single-cell dataset GSE189357 with TCGA-LUAD bulk RNA-seq and survival data to assess the prognostic relevance of tumor epithelial subpopulations. It provides a reproducible GSVA and Kaplan–Meier workflow for translating cell-level signatures into clinically testable biomarkers.

  • Single-cell epithelial-subcluster marker genes are converted into gene sets and scored across TCGA-LUAD tumors using GSVA.
  • Clinical validation uses Kaplan–Meier analyses with both median-based and optimized cutoffs after excluding samples with missing survival data or follow-up under 30 days.
  • The workflow separately evaluates UBE2C, associated with a proliferative tumor subpopulation, as a candidate overall-survival marker.
  • The article presents methodology and code but does not provide enough reported statistics here to establish prognostic significance.
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