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Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Cell+Rep+Methods 2021 ; 1 (4): 100056 Nephropedia Template TP
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Improved integration of single-cell transcriptome and surface protein expression by LinQ-View #MMPMID35475142
Li L; Dugan HL; Stamper CT; Lan LY; Asby NW; Knight M; Stovicek O; Zheng NY; Madariaga ML; Shanmugarajah K; Jansen MO; Changrob S; Utset HA; Henry C; Nelson C; Jedrzejczak RP; Fremont DH; Joachimiak A; Krammer F; Huang J; Khan AA; Wilson PC
Cell Rep Methods 2021[Aug]; 1 (4): 100056 PMID35475142show ga
Multimodal advances in single-cell sequencing have enabled the simultaneous quantification of cell surface protein expression alongside unbiased transcriptional profiling. Here, we present LinQ-View, a toolkit designed for multimodal single-cell data visualization and analysis. LinQ-View integrates transcriptional and cell surface protein expression profiling data to reveal more accurate cell heterogeneity and proposes a quantitative metric for cluster purity assessment. Through comparison with existing multimodal methods on multiple public CITE-seq datasets, we demonstrate that LinQ-View efficiently generates accurate cell clusters, especially in CITE-seq data with routine numbers of surface protein features, by preventing variations in a single surface protein feature from affecting results. Finally, we utilized this method to integrate single-cell transcriptional and protein expression data from SARS-CoV-2-infected patients, revealing antigen-specific B cell subsets after infection. Our results suggest LinQ-View could be helpful for multimodal analysis and purity assessment of CITE-seq datasets that target specific cell populations (e.g., B cells).