Apr 24, 2020

Deconvolution of Cell Type-Specific Drug Responses in Human Tumor Tissue with Single-Cell RNA-seq

BioRxiv : the Preprint Server for Biology
W. ZhaoPeter A Sims

Abstract

Precision oncology requires the timely selection of effective drugs for individual patients. An ideal platform would enable rapid screening of cell type-specific drug sensitivities directly in patient tumor tissue and reveal strategies to overcome intratumoral heterogeneity. Here we combine multiplexed drug perturbation in acute slice culture from freshly resected tumors with single-cell RNA sequencing (scRNA-seq) to profile transcriptome-wide drug responses. We applied this approach to glioblastoma (GBM) and demonstrated that acute slice cultures from individual patients recapitulate the cellular and molecular features of the originating tumor tissue. Detailed investigation of etoposide, a topoisomerase poison, and the histone deacetylase (HDAC) inhibitor panobinostat in acute slice cultures revealed cell type-specific responses across multiple patients, including unexpected effects on the immune microenvironment. We anticipate that this approach will facilitate rapid, personalized drug screening to identify effective therapies for solid tumors.

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Mentioned in this Paper

Combination Drug Therapy
Cytoreduction Surgical Procedures
Cell Communication
Cell Proliferation
Biopsy
Biopsy Procedures on the Pharynx, Adenoids, and Tonsils
Phenotype Determination
Proliferation (Morphologic Abnormality)
Population Group
Recurrent Disease

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