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sc-GEM
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PUBLISHED ON: SEPTEMBER 13, 2016 | REV A
SUPPORTED IFCS: Open App IFC
NUMBER OF IFC RUNS: 10
Overview
Sample heterogeneity often masks DNA methylation signatures in subpopulations of cells. Here, we present single-cell analysis of Genotype, Expression and Methylation (sc-GEM) to genotype single cells while simultaneously interrogating gene expression and DNA methylation at multiple loci. sc-GEM combines Single Cell Restriction Analysis of Methylation (SCRAM) assay with single-cell RT-qPCR and single-cell genotyping by next-generation-sequencing. This targeted multimodal approach, implemented on an automated, high-throughput microfluidic platform, is used to profile epigenetic variations within and between different cell types identified through genotyping and transcriptional profiling. This script has been updated to be compatible with all versions of the C1™ Open App™ IFCs, including the redesigned medium 96-cell IFC.
Protocol: sc-GEM | Duration (H:M): 3:00
Tested Primary Cells or Cell Lines
Cell Name |
Cell Type |
Source |
|---|---|---|
| Human Fibroblast | Cell line | |
| Human Embryonic Stem Cell | Cell line | |
| Human Lung Adenocarcinoma | Primary |
Performance
Our results showed that sc-GEM is highly sensitive, has low incidence of dropouts in the DNA methylation assay, provides accurate relative quantification of gene expression and has low levels of contamination, by virtue of automation). The methylation state of a single CpG site determined using sc-GEM was representative of the methylation state of the surrounding region of interest, and the ensemble average of single-cell gene expression profiles matched well with bulk gene expression data. Single-cell genotyping results with targeted next generation is highly concordant with Sanger sequencing results.
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