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Salivary microbiome

ABSTRACT: Salivary microbiota in patients with primary sjögren compare to sicca syndrome and healthy controls

PROVIDER: PRJEB29870 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR2927675.fastq.gz	Fastqsanger.gz
	ERR2927676.fastq.gz	Fastqsanger.gz
	ERR2927677.fastq.gz	Fastqsanger.gz

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Transcription profiling of minor salivary glands to identify distinct patterns of gene expression in patients with primary Sj¸gren?s syndrome (pSS), a frequent and prototype systemic autoimmune disease

Project description:Analysis of targets organs might help to get new insights into the pathogenesis of autoimmune diseases. We used global gene expression profiling of minor salivary glands to identify distinct patterns of gene expression in patients with primary Sjögrens syndrome (pSS), a frequent and prototype systemic autoimmune disease. Gene expression signature allowed to distinguish most patients with pSS from healthy controls

2005-10-01 | E-MEXP-419 | biostudies-arrayexpress

Salivary Protein Biomarker Detection of Saliva Secretion Disorder in a Primary Sjögren Syndrome Murine Model

Project description:Decreased salivary flow is one of the most common symptoms in primary Sjögren syndrome (pSS). The present study was designed to identify a salivary protein biomarker related to saliva secretion disorder in NOD/ShiLtJ mice, a pSS primary murine model. The stimulated saliva was collected from NOD/ShiLtJ and BALB/c mice as controls for differential proteomic analysis.

2018-03-21 | PXD008199 | Pride

Microarray analysis of salivary gland CD4+ T cells

Project description:Whole human genome arrays were used to assess the transcriptome differences in CD3+CD4+CD45RA- memory T cells isolated and sorted from minor salivary gland biopsy tissue of individuals who met 2002 American European Consensus Group classification criteria for primary Sjogren’s syndrome (SS) and subjects who did not meet criteria for SS, lacked focal lymphocytic sialoadenitis, lacked anti-Ro antibodies, lacked anti-La antibodies, but who had subjective symptoms of dryness (non-SS, sicca controls).

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RNA-sequencing of human salivary gland from Sjogren's syndrome and sicca patients

Project description:The study aims to investigate the relevance of NKp30 receptor in the salivary glands inflammation of Sjogren’s syndrome patients in comparison to sicca patients (control group) analysing the transcriptomic profile of salivary gland tissues.

2021-09-13 | E-MTAB-10517 | biostudies-arrayexpress

Transcription profiling by array of parotid tissue from Primary Sjögren’s Syndrome and controls

Project description:Primary Sjögren’s syndrome (pSS) is a chronic autoimmune disease with complex etiopathogenesis. Here we use Affymetrix U133 plus 2.0 microarray gene expression data from human parotid tissue. Parotid gland tissues were harvested from 17 pSS and 14 14 non-pSS sicca patients and 18 controls. The data were used in the following article: Nazmul-Hossain ANM, Pollard RPE, Kroese FGM, Vissink A, Kallenberg CGM, Spijkervet FKL, Bootsma H, Michie SA, Gorr SU, Peck AB, Cai C, Zhou H, Horvath S, Wong DTW (2012) Systems Analysis of Primary Sjögren’s Syndrome Pathogenesis in Salivary Glands: Comparative Pathways and Molecular Events in Humans and a Mouse Model. Parotid gland tissues were harvested from 17 pSS and 14 non-pSS sicca patients and 18 controls.

2012-09-06 | E-GEOD-40611 | biostudies-arrayexpress

Epigenetic Signatures of Salivary Gland Inflammation in Sjögren's Syndrome.

Project description:Genome wide DNA methylation profiling of human labial salivary gland (LSG) biopsy samples obtained from 28 female members of the Sjögren's International Collaborative Clinical Alliance (SICCA) Registry. The Illumina HumanMethylation450 BeadChip platform was used to obtain DNA methylation profiles across more than 450,000 highly informative CpG sites. Samples included 15 non-case glands, and 13 glands from patients with Sjögren's Syndrome.

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The transcriptome of paired major and minor salivary gland tissue in patients with primary Sjögren's syndrome

Project description:While all salivary glands (SGs) can be involved in primary Sjögren’s syndrome (pSS), their respective role in pathogenesis remains unclear. To assess immunopathway activation in paired parotid and labial gland tissue from biopsy-positive and biopsy-negative pSS and non-SS sicca patients, paraffin-embedded, paired parotid and labial salivary gland tissue and peripheral blood mononuclear cells were obtained from 39 pSS and 20 non-SS sicca patients. The patients were subdivided based on fulfillment of ACR-EULAR criteria and histopathology and the samples were analyzed for differentially expressed genes (DEGs). The principal component analysis of SG gene expression could only separate biopsy-positive pSS from non-SS sicca patients. However, when comparing the transcriptome of biopsy-positive pSS and biopsy-negative non-SS sicca patients, 1235 and 624 DEGs (FDR<-1 or >1) were identified for parotid and labial glands, respectively. The number of DEGs between biopsy negative pSS and non-SS sicca patients was scarce. The overall, transcript expression levels correlated strongly between parotid and labial glands (R2=0.86, p‐value<0.0001). Gene signatures present in both glands of biopsy‐positive pSS patients included IFN‐α signaling, IL-12/IL-18 signaling, CD3/CD28 T-cell activation, CD40 signaling in B-cells, DN2 B-cells, and FcRL4+ B-cells. Signature scores varied considerably amongst pSS patients. In conclusion, the transcriptomes of paired major and minor SGs in pSS were overall comparable, although significant inter-individual heterogeneity in immunopathway activation existed. The SG transcriptome of biopsy-negative pSS was indistinguishable from non-SS sicca patients. The different patterns of SG immunopathway activation in pSS argue for personalized treatment approaches.

2021-05-05 | GSE173808 | GEO

The transcriptome of paired major and minor salivary gland tissue in patients with primary Sjögren's syndrome

2022-07-16 | GSE208260 | GEO

Gene expression in minor salivary gland of female patients with primary Sjögren’s syndrome (pSS) and healthy volunteers

Project description:To study the difference of gene expression profile in minor salivary glands of female patients with primary Sjögren’s syndrome (pSS) and healthy volunteers

2019-03-07 | GSE127952 | GEO

Proteomics of saliva, plasma, and salivary gland tissue in Sjögren’s syndrome and non-Sjögren patients identify novel biomarker candidates

Project description:Objective: The aim of this study was to characterize and compare the proteome in whole saliva, plasma, and salivary gland tissue in patients with primary Sjögren’s syndrome (pSS) and patients having symptoms of pSS, but not fulfilling the classification criteria, and to search for diagnostic biomarker candidates for pSS. Methods: Liquid chromatography tandem mass spectrometry was conducted on whole saliva, plasma, and labial salivary gland tissue samples from 24 patients with pSS and 16 non-Sjögren control subjects (non-pSS). Gene Ontology (GO)-terms and Kyoto Encyclopedia of Genes and Genomes (KEGG)-pathways were applied for functional annotation. Results: 1,013 proteins were identified in whole saliva, 219 in plasma, and 3,166 in salivary gland tissue. In saliva, 40 proteins differed significantly between the two groups. In pSS, proteins involved in immunoinflammatory processes were upregulated, whereas proteins related to salivary secretion were downregulated. The combination of neutrophil elastase, calreticulin, and tripartite motif-containing protein 29 yielded a receiver-operating characteristic (ROC) value of 0.97 (CI 0.93-1.00). Protein expression in plasma and salivary gland tissue did not differ between the patient groups. Conclusion: The salivary proteome of patients with pSS differed from that of non-pSS patients, indicating that saliva proteomics represents a promising non-invasive diagnostic tool for pSS.

2020-07-09 | PXD016231 | Pride

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