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MetabolomicsSubcutaneous white adipose tissue-derived extracellular vesicle maintains intestinal homeostasis via IgA biosynthesis in aging mice

To identify the potential iWAT-derived adipokines that regulate intestinal IgA biosynthesis, we conducted untargeted metabolomics in the serum of iFR and iSham mice. A total of 214 differential abundant metabolites were identified (log2FC >1 or <-1 and adjusted p-value <0.05) between the...

2025-09-05 | MTBLS12800 | MetaboLights
MetabolomicsMetabolomics of immunoglobulin-producing cells in IgA nephropathy
Not available
ORGANISM(S): Homo sapiens 
ST000560 | MetabolomicsWorkbench
TranscriptomicsTranscriptomic and proteomic profiling reveal insights of mesangial cell function in patients with IgA Nephropathy
IgA nephropathy (IgAN) is the most common glomerulonephritis in the world. The disease is characterized by galactose deficient IgA (gd-IgA) in the circulation forming immune complexes. The complexes are deposited in the glomerular mesangium leading to inflammation and loss of renal function, but the...
ORGANISM(S): Homo sapiens 
2017-07-03 | E-GEOD-93798 | biostudies-arrayexpress
ProteomicsIgA deglycosylation to identify glycosylation sites
In order to provide information on the peptide sequence of the IgA glycopeptides, a proteomics analysis was run on LC-MS/MS data of N-glycosidase F-digested IgA samples, in which the N-glycans had been released. The samples included IgA (isolated) from: 1) the saliva samples from two healthy donors,...
ORGANISM(S): Homo sapiens (Human) 
2018-11-09 | PXD011228 | Pride
Iga Secretory iga Plasma Colostrum Saliva 
GenomicsNext-Generation Sequencing of sgRNA spacer sequences from a CRISPRi library screen of the Salmonella enterica serovar Typhimurium 14028s genome in response to repeated monoclonal IgA treatment
For this study, we implemented the anti-lipopolysaccharide monoclonal IgA Sal4 in a genome-wide CRISPR interference (CRISPRi) screen to identify genes that modulate the extent of agglutination of Salmonella enterica serovar Typhimurium (STm) in response to antibody exposure. We leveraged our recentl...
ORGANISM(S): Salmonella enterica subsp. enterica serovar Typhimurium 
2025-02-16 | E-MTAB-14834 | biostudies-arrayexpress
ProteomicsMolecular basis of Fab-dependent IgA antibody recognition by gut-associated metallopeptidases
Immunoglobulin A (IgA) is essential for mucosal immunity and is implicated in autoimmune diseases like IgA nephropathy (IgAN). Certain pathogenic and commensal bacteria produce IgA proteases (IgAPs) that selectively cleave IgA, potentially aiding bacterial colonization and offering therapeutic avenu...
ORGANISM(S): Homo sapiens (Human) 
2025-08-08 | PXD065112 | Pride
Iga Iga protease Metallopeptidase 
GenomicsIgA Nephropathy GWAS (IGANGWAS)

We report a genome-wide association study of IgA nephropathy, a main cause of kidney failure. All subjects were of Chinese Han ancestry, of which 1,194 were cases and 902 controls. Genomic DNA samples extracted from whole blood were genotyped on the Illumina 610 Quad platform.

phs000431.v1.p1 | EGA
ProteomicsDimeric IgA specifically disables intracellular mutated oncodrivers
Despite their long half-life, therapeutic antibodies are considered ineffective against intracellular antigens due to their perceived inability to penetrate epithelial cells. Using recombinant antibodies targeting common mutations in oncogenes, we show that dimeric IgA, but not the same antibody on ...
ORGANISM(S): Homo sapiens (Human) 
2025-05-06 | PXD042914 | Pride
Transcytosis Cancer Therapeutic antibodies Immunoglobulin a 
GenomicsHLA has strongest association with IgA nephropathy in genome-wide analysis
GWAS study of families with probands with IgA nephropathy from the UK Glomerulonephritis DNA bank
EGAS00000000031 | EGA
TranscriptomicsAltered modulation of WNT-β-catenin and PI3K/Akt pathways in IgA nephropathy
To uncover new molecular mechanisms involved in IgAN pathogenesis, we compared the genomic profiles of 12 IgAN patients with 8 healthy subjects, We included addiotional disease controls 3 FSGS(Focal Segmenal glomerulosclerosis) patients and 3 membrano proliferative glomerulonephritis type I (MPGN-I)...
ORGANISM(S): Homo sapiens 
2010-06-08 | E-GEOD-14795 | biostudies-arrayexpress
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