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Open AccessJournal ArticleDOI

Single-cell landscape of bronchoalveolar immune cells in patients with COVID-19.

TLDR
Single-cell transcriptome and T cell receptor analysis of bronchoalveolar lavage fluid suggests enrichment of proinflammatory macrophages in patients with severe COVID-19 and the presence of clonally expanded CD8 + T cells in Patients with moderate CO VID-19.
Abstract
Respiratory immune characteristics associated with Coronavirus Disease 2019 (COVID-19) severity are currently unclear. We characterized bronchoalveolar lavage fluid immune cells from patients with varying severity of COVID-19 and from healthy people by using single-cell RNA sequencing. Proinflammatory monocyte-derived macrophages were abundant in the bronchoalveolar lavage fluid from patients with severe COVID-9. Moderate cases were characterized by the presence of highly clonally expanded CD8+ T cells. This atlas of the bronchoalveolar immune microenvironment suggests potential mechanisms underlying pathogenesis and recovery in COVID-19.

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Journal ArticleDOI

Single Cell Transcriptomic Re-analysis of Immune Cells in Bronchoalveolar Lavage Fluids Reveals the Correlation of B Cell Characteristics and Disease Severity of Patients with SARS-CoV-2 Infection

TL;DR: In this article, the authors reanalyzed scRNA-seq data of cells from bronchoalveolar lavage fluids of patients with severe acute respiratory syndrome coronavirus 2 with mild and severe symptoms, focusing on Ab-producing cells.
Journal ArticleDOI

Murine-β-coronavirus-induced neuropathogenesis sheds light on CNS pathobiology of SARS-CoV2

TL;DR: A review of the neuroimmunopathological processes in murine CoVs is presented in this article, where the authors make references to the neuro-immune axis and neuro-invasive potential of SARSCoV and SARS-CoV2, as well as the prototypic H-coV strains in human brains.
Posted ContentDOI

Emergence of immune escape at dominant SARS-CoV-2 killer T-cell epitope

TL;DR: In this article, the authors studied the prevalent CD8 killer T-cell response mounted against SARS-CoV-2 Spike 269-277 epitope YLQPRTFLL via the most frequent Human Leukocyte Antigen (HLA) class I worldwide, HLA A*02.
Posted ContentDOI

Context-aware deconvolution of cell-cell communication with Tensor-cell2cell

TL;DR: Tensor-cell2cell as mentioned in this paper is an unsupervised method using tensor decomposition to decipher context-driven intercellular communication by simultaneously accounting for multiple stages, states, or locations of the cells.
References
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Journal ArticleDOI

STAR: ultrafast universal RNA-seq aligner

TL;DR: The Spliced Transcripts Alignment to a Reference (STAR) software based on a previously undescribed RNA-seq alignment algorithm that uses sequential maximum mappable seed search in uncompressed suffix arrays followed by seed clustering and stitching procedure outperforms other aligners by a factor of >50 in mapping speed.
Journal ArticleDOI

clusterProfiler: an R Package for Comparing Biological Themes Among Gene Clusters

TL;DR: An R package, clusterProfiler that automates the process of biological-term classification and the enrichment analysis of gene clusters and can be easily extended to other species and ontologies is presented.
Journal ArticleDOI

Comprehensive Integration of Single-Cell Data.

TL;DR: A strategy to "anchor" diverse datasets together, enabling us to integrate single-cell measurements not only across scRNA-seq technologies, but also across different modalities.
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