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The slan antigen identifies the prototypical non-classical CD16+-monocytes in human blood [scRNA-seq]

ABSTRACT: The slan antigen identifies the prototypical non-classical CD16+-monocytes in human blood [scRNA-seq]

PROVIDER: PRJNA1007605 | ENA |

REPOSITORIES: ENA

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The slan antigen identifies the prototypical non-classical CD16+-monocytes in human blood [scRNA-seq]

2023-10-19 | GSE241266 | GEO

The slan antigen identifies the prototypical non-classical CD16+-monocytes in human blood [Bulk RNA-seq]

Project description:Peripheral monocytes in humans are conventionally divided into classical (CL, CD14++CD16−), intermediate (INT, CD14++CD16+) and non-classical (NC, CD14dim/−CD16++) cells, based on their expression levels of CD14 and CD16. A major fraction of the NC-monocytes has been shown to express the 6-sulfo LacNAc (slan) antigen, but whether these slan+/NC-monocytes represent the prototypical non-classical monocytes or whether they are simply a sub-fraction with identical features as the remainder of NC monocytes is still unclear. Therefore, we analysed transcriptome, proteome, cell surface markers and production of discrete cytokines by peripheral slan+/NC- and slan−/NC-monocytes, in comparison to total NC-, CL- and INT- monocytes. By bulk RNA-seq and proteomic analysis, we found that slan+/NC-monocytes express higher levels of genes and proteins specific of NC-monocytes than slan−/NC-monocytes do. Unsupervised clustering of scRNA-seq data generated one cluster of NC- and one of INT-monocytes, where all slan+/NC-monocytes were allocated to the NC-monocyte cluster, while slan−/NC-monocytes were found, in part (13.38 %), within the INT-monocyte cluster. In addition, total NC- and slan−/NC-monocytes, but not slan+/NC-monocytes, were found by both bulk RNA-seq and scRNA-seq to contain a small percentage of natural killer cells. Altogether, in addition to comparatively characterize total NC-, slan−/NC- and slan+/NC-monocyte transcriptomes and proteomes, our data prove that slan+/NC-, but not slan−/NC-, monocytes are more representative of prototypical NC-monocytes.

2023-10-19 | GSE242301 | GEO

The slan antigen identifies the prototypical non-classical CD16+-monocytes in human blood.

Project description:The slan antigen identifies the prototypical non-classical CD16+-monocytes in human blood.

| PRJNA1013081 | ENA

The slan antigen identifies the prototypical non-classical CD16+-monocytes in human blood [Bulk RNA-seq]

Project description:The slan antigen identifies the prototypical non-classical CD16+-monocytes in human blood [Bulk RNA-seq]

| PRJNA1013061 | ENA

Transcriptomic analysis of SLAN+ vs SLAN- non-classical monocytes

Project description:Monocytes can be classified into four different subsets: classic, intermediate and SLAN- and SLAN+ non-classical monocytes. SLAN+ monocytes are significantly reduced in MM patients compare to the frequency found in healthy adults (HA). Thus, we sought to analyze the transcriptome of SLAN- and SLAN+ cells to unveil the differences among both populations We used microarrays to detail the global programme of gene expression underlying the differences among both cell subsets We developed a 12-color combination of mAbs to evaluate the contribution of each individual marker for identifying and subsetting BM TAMs in patients with MM (N = 5): CD36-UV405, CD16-UV525, CD163-BV450, CD45-BV525, CD206-BV610, CD86-BV660, CD62L-BV763, cyCD68-FITC, SLAN-PE, HLADR-PerCPCy5.5, CD300e-APC, CD14-APCH7. This panel allowed us to identify the aforementioned four monocyte subsets. Intermediate and non-classical monocytes from healthy donors were FACS sorted based on the 7-color mAb combination - HLADR-PacB, CD45-OC515, CD36-FITC, SLAN-PE, CD16-PECy7, CD300e-APC, CD14APCH7 -

2023-11-05 | GSE122171 | GEO

The slan antigen identifies the prototypical non-classical CD16<sup>+</sup>-monocytes in human blood.

Project description:IntroductionPeripheral monocytes in humans are conventionally divided into classical (CL, CD14++CD16-), intermediate (INT, CD14++CD16+) and non-classical (NC, CD14dim/-CD16++) cells, based on their expression levels of CD14 and CD16. A major fraction of the NC-monocytes has been shown to express the 6-sulfo LacNAc (slan) antigen, but whether these slan+/NC-monocytes represent the prototypical non-classical monocytes or whether they are simply a sub-fraction with identical features as the remainder of NC monocytes is still unclear.MethodsWe analyzed transcriptome (by bulk and single cell RNA-seq), proteome, cell surface markers and production of discrete cytokines by peripheral slan+/NC- and slan-/NC-monocytes, in comparison to total NC-, CL- and INT- monocytes.ResultsBy bulk RNA-seq and proteomic analysis, we found that slan+/NC-monocytes express higher levels of genes and proteins specific of NC-monocytes than slan-/NC-monocytes do. Unsupervised clustering of scRNA-seq data generated one cluster of NC- and one of INT-monocytes, where all slan+/NC-monocytes were allocated to the NC-monocyte cluster, while slan-/NC-monocytes were found, in part (13.4%), within the INT-monocyte cluster. In addition, total NC- and slan-/NC-monocytes, but not slan+/NC-monocytes, were found by both bulk RNA-seq and scRNA-seq to contain a small percentage of natural killer cells.ConclusionIn addition to comparatively characterize total NC-, slan-/NC- and slan+/NC-monocyte transcriptomes and proteomes, our data prove that slan+/NC-, but not slan-/NC-, monocytes are more representative of prototypical NC-monocytes.

| S-EPMC10641684 | biostudies-literature

Transcriptomic analysis of SLAN+ vs SLAN- non-classical monocytes

Project description:Transcriptomic analysis of SLAN+ vs SLAN- non-classical monocytes

| PRJNA503867 | ENA

The slan antigen identifies the prototypical non-classical CD16+-monocytes in human blood.

Project description:This SuperSeries is composed of the SubSeries listed below.

2023-10-19 | GSE242314 | GEO

Deciphering the fate of slan+-monocytes in tonsils by gene expression profiling

Project description:slan+-monocytes represent a subset of the “non-classical” CD14dim/-CD16++ monocytes, which are characterized by the expression of the so-called “slan” antigen, recognized by specific monoclonal antibodies. slan+-cells can be identified in peripheral tissues including tonsils. However, their origin from slan+-monocytes as well as their terminal differentiation state (toward macrophages/dendritic cells) were only partially resolved. In this study, we performed transcriptomic studies of tonsil slan+-cells,CD1c+DCs/DC2 and CD11b+ CD14+macrophages, as well as subsets of peripheral blood monocytes and we report that tonsil slan+-cells mainly represent macrophage-like cells with features distinct from those of tonsil CD11b+CD14+macrophages or CD1c+DCs/DC2. Moreover we provide a number of molecular evidence indicating that tonsil slan+-cells derive from peripheral slan+-monocytes.

2021-11-19 | GSE136107 | GEO

Gene expression profiles of human blood classical monocytes (CD14++CD16-), CD16 positive monocytes (CD14+16++ and CD14++CD16+), and CD1c+ CD19- dendritic cells [human data]

Project description:In this study gene expression of human blood classical monocytes (CD14++CD16-), CD16 positive monocytes (consisting of non-classical CD14+16++ and intermediate CD14++CD16+ monocytes) and CD1c+ CD19- dendritic cells from healthy subjects were investigated. Keywords: expression profiling by array

2011-12-17 | GSE34515 | GEO

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