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Effective methods for bulk RNA-seq deconvolution using scnRNA-seq transcriptomes [AML single-cell]

ABSTRACT: Effective methods for bulk RNA-seq deconvolution using scnRNA-seq transcriptomes [AML single-cell]

PROVIDER: PRJNA910592 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR22669102_1.fastq.gz	Fastqsanger.gz
	SRR22669102_2.fastq.gz	Fastqsanger.gz
	SRR22669103_1.fastq.gz	Fastqsanger.gz
	SRR22669103_2.fastq.gz	Fastqsanger.gz
	SRR22669104_1.fastq.gz	Fastqsanger.gz

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Effective methods for bulk RNA-seq deconvolution using scnRNA-seq transcriptomes [AML Bulk]

Project description:RNA profiling technologies at single-cell resolutions, including single-cell and single-nuclei RNA sequencing (scRNA-Seq and snRNA-Seq, scnRNA-Seq for short), can help characterize the composition of tissues and reveal cells that influence key healthy and disease functions. However, the use of these technologies is challenging because of their relatively high costs and exacting sample collection requirements. Computational deconvolution methods that infer the composition of RNA-Seq-profiled samples using scnRNA-Seq-characterized cell types can expand the benefit of these technologies, but their effectiveness remains controversial. We produced the first systematic evaluation of deconvolution methods on datasets with either known compositions or based on concurrent RNA-Seq and scnRNA-Seq profiles. Our analyses revealed biases that are common to scnRNA-Seq 10X Genomics assays and illustrated the importance of accurate and properly controlled data preprocessing and method selection and optimization. Moreover, our results suggested that concurrent RNA-Seq and scnRNA-Seq profiles can help improve the accuracy of both scnRNA-Seq preprocessing and the deconvolution methods that employ them. Indeed, our proposed method, Single-cell RNA Quantity Informed Deconvolution (SQUID), combined RNA-Seq transformation and a dampened weighted least squares deconvolution approach to consistently outperform other methods in predicting the composition of cell mixtures and tissue samples. Moreover, our analysis suggested that only SQUID could identify outcomes-predictive cancer cell subtypes in pediatric acute myeloid leukemia and neuroblastoma datasets.

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Project description:Effective methods for bulk RNA-seq deconvolution using scnRNA-seq transcriptomes [AML Bulk]