NBAtlas: A harmonized single-cell transcriptomic reference atlas of human neuroblastoma tumors

Cell Rep. 2024 Oct 22;43(10):114804. doi: 10.1016/j.celrep.2024.114804. Epub 2024 Oct 3.

Abstract

Neuroblastoma, a rare embryonic tumor arising from neural crest development, is responsible for 15% of pediatric cancer-related deaths. Recently, several single-cell transcriptome studies were performed on neuroblastoma patient samples to investigate the cell of origin and tumor heterogeneity. However, these individual studies involved a small number of tumors and cells, limiting the conclusions that could be drawn. To overcome this limitation, we integrated seven single-cell or single-nucleus datasets into a harmonized cell atlas covering 362,991 cells across 61 patients. We use this atlas to decipher the transcriptional landscape of neuroblastoma at single-cell resolution, revealing associations between transcriptomic profiles and clinical outcomes within the tumor compartment. In addition, we characterize the complex immune-cell landscape and uncover considerable heterogeneity among tumor-associated macrophages. Finally, we showcase the utility of our atlas as a resource by expanding it with additional data and using it as a reference for data-driven cell-type annotation.

Keywords: CP: Cancer; NBAtlas; atlas; integration; neuroblastoma; reference; single cell; single nucleus; transcriptomics.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Gene Expression Profiling
  • Gene Expression Regulation, Neoplastic
  • Humans
  • Neuroblastoma* / genetics
  • Neuroblastoma* / metabolism
  • Neuroblastoma* / pathology
  • Single-Cell Analysis* / methods
  • Transcriptome* / genetics