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A single-cell and single-nucleus RNA-Seq toolbox for fresh and frozen human tumors (NSCLC)

Slyper, Michal and Porter, Caroline BM and Ashenberg, Orr and Waldman, Julia and Drokhlyansky, Eugene and Wakiro, Isaac and Smillie, Christopher and Smith-Rosario, Gabriela and Wu, Jingyi and Dionne, Danielle and others

Single-cell genomics is essential to chart tumor ecosystems. Although single-cell RNA-Seq (scRNA-Seq) profiles RNA from cells dissociated from fresh tumors, single-nucleus RNA-Seq (snRNA-Seq) is needed to profile frozen or hard-to-dissociate tumors. Each requires customization to different tissue and tumor types, posing a barrier to adoption. Here, we have developed a systematic toolbox for profiling fresh and frozen clinical tumor samples using scRNA-Seq and snRNA-Seq, respectively. We analyzed 216,490 cells and nuclei from 40 samples across 23 specimens spanning eight tumor types of varying tissue and sample characteristics. We evaluated protocols by cell and nucleus quality, recovery rate and cellular composition. scRNA-Seq and snRNA-Seq from matched samples recovered the same cell types, but at different proportions. Our work provides guidance for studies in a broad range of tumors, including criteria for testing and selecting methods from the toolbox for other tumors, thus paving the way for charting tumor atlases.

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Species: human
Number of cells: 28109
Number of downloads: 77
Study size: 960MB
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toolbox  
tumor profiling 
biopsy  
resection 
lung cancer