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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of human CD14+ CD16- and CD14low CD16+ monocytes from patients with Sjogrens syndrome and normal controls

ABSTRACT: Sjogren's syndrome is an autoimmune disease, characterized by complaints such as xerostomia and keratoconjunctivitis sicca. In other autoimmune diseases such as diabetes and SLE, monocyte abberancies have been described. Therefore, this study aimed at studying the monocyte compartment in Sjogren's Syndrome, by transcription profiling of CD14+CD16- and CD14lowCD16+ monocytes in patients and controls.

ORGANISM(S): Homo sapiens

DISEASE(S): Sjogren's syndrome

SUBMITTER: Manon Wildenberg

PROVIDER: E-MEXP-1242 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Systemic increase in type I interferon activity in Sjögren's syndrome: a putative role for plasmacytoid dendritic cells.

Wildenberg Manon E ME van Helden-Meeuwsen Cornelia G CG van de Merwe Joop P JP Drexhage Hemmo A HA Versnel Marjan A MA

European journal of immunology 20080701 7

In the salivary glands of primary Sjögren's syndrome (pSjS) patients, type I IFN activity is increased, but systemic levels of type I IFN proteins are rarely detected. This study focused on the systemic activity of type I IFN in pSjS, as well as the role of peripheral plasmacytoid dendritic cells (pDC). Monocytes obtained from pSjS patients showed an increased expression of 40 genes. Twenty-three of these genes (58%), including IFI27, IFITM1, IFIT3 and IFI44, were inducible by type I IFN. pSjS s ...[more]

PMID: 18581327

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Project description:The new official nomenclature subdivides human monocytes into three subsets, classical (CD14++CD16-), intermediate (CD14++CD16+) and nonclassical (CD14+CD16+). Here, we comprehensively define relationships and unique characteristics of the three human monocyte subsets using microarray and flow cytometry analysis. Our analysis revealed that the intermediate and nonclassical monocyte subsets were most closely related. For the intermediate subset, majority of genes and surface markers were expressed at an intermediary level between the classical and nonclassical subset. There features therefore indicate a close and direct lineage relationship between the intermediate and nonclassical subset. From gene expression profiles, we define unique characteristics for each monocyte subset. Classical monocytes were functionally versatile, due to the expression of a wide range of sensing receptors and several members of the AP-1 transcription factor family. The intermediate subset was distinguished by high expression of MHC class II associated genes. The nonclassical subset were most highly differentiated and defined by genes involved in cytoskeleton rearrangement that explains their highly motile patrolling behavior in vivo. Additionally, we identify unique surface markers, CLEC4D, IL-13RA1 for classical, GFRA2, CLEC10A for intermediate and GPR44 for nonclassical. Our study hence defines the fundamental features of monocyte subsets necessary for future research on monocyte heterogeneity. Three human monocyte subsets, the CD14++CD16- classical, the CD14++CD16+ intermediate and CD14+CD16+ nonclassical subsets were purified using fluorescence activated cell sorting from peripheral blood mononuclear cells. RNA was processed from the three monocyte subsets from 4 individual donors in duplicates, giving a total of 24 samples.

2011-05-01 | E-GEOD-25913 | biostudies-arrayexpress

SuperSAGE evidence for CD14++CD16+ monocytes as a third monocyte subset

Project description:Monocytes are a heterogeneous cell population with subset-specific functions and phenotypes. The differential expression of CD14 and CD16 distinguishes classical CD14++CD16-, intermediate CD14++CD16+ and non-classical CD14+CD16++ monocytes. However, CD14++CD16+ monocytes remain the most poorly characterized subset so far. Therefore we analyzed the transcriptomes of the three monocyte subsets using SuperSAGE in combination with high-throughput sequencing. Analysis of 5,487,603 tags revealed unique identifiers of CD14++CD16+ monocytes, delineating these cells from the two other monocyte subsets. CD14++CD16+ monocytes were linked to antigen processing and presentation (e.g. CD74, HLA-DR, IFI30, CTSB), to inflammation and monocyte activation (e.g. TGFB1, AIF1, PTPN6), and to angiogenesis (e.g. TIE2, CD105). Therefore we provide genetic evidence for a distinct role of CD14++CD16+ monocytes in human immunity. Human monocyte subsets (CD14++CD16-, CD14++CD16+, CD14+CD16++) were isolated from 12 healthy volunteers based on MACS technology. Total RNA from monocyte subsets was isolated and same aliquots from each donor and monocyte subset were matched for SuperSAGE. Three SuperSAGE libraries (CD14++CD16-, CD14++CD16+ and CD14+CD16++) were generated.

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Project description:A study was designed to further define the viral landscape within Sjogren's Syndrome (pSS) affected salivary gland tissue to identify potential viral-mediated triggers in the pathogenesis of this autoimmune disease.

2017-05-01 | GSE77599 | GEO

Viral Profiles in Sjogren's Syndrome

2017-05-01 | E-GEOD-77599 | biostudies-arrayexpress

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2016-02-25 | E-MTAB-3554 | biostudies-arrayexpress

Chronic psoriatic skin inflammation leads to increased monocyte adhesion and aggregation

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