Abstract
AbstractSpatial transcriptomic technologies, such as the Visium platform, measure gene expression in different regions of tissues. Here, we describe new software, STmut, to visualize somatic point mutations, allelic imbalance, and copy number alterations in Visium data. STmut is tested on fresh-frozen Visium data, formalin-fixed paraffin-embedded (FFPE) Visium data, and tumors with and without matching DNA sequencing data. Copy number is inferred on all conditions, but the chemistry of the FFPE platform does not permit analyses of single nucleotide variants. Taken together, we propose solutions to add the genetic dimension to spatial transcriptomic data and describe the limitations of different datatypes.
Funder
American Cancer Society Research Scholar Grant
Tracy and Guy Jacquier cSCC Research Fund
Mount Zion Health Fund
UCSF Resource Allocation Program
University of California Cancer Research Coordinating Committee
LEO Foundation
U.S. Department of Defense
the UCSF Department of Dermatology
NIH
Publisher
Springer Science and Business Media LLC
Cited by
3 articles.
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