GALNT14 deficiency: connecting multiple links in the IgA nephropathy pathogenetic chain
Pell J, Menon M. GALNT14 deficiency: connecting multiple links in the IgA nephropathy pathogenetic chain. Journal Of Clinical Investigation 2025, 135: e192687. PMID: 40371648, PMCID: PMC12077885, DOI: 10.1172/jci192687.Peer-Reviewed Original ResearchLoss of GalNAc-T14 links O-glycosylation defects to alterations in B cell homing in IgA nephropathy
Prakash S, Steers N, Li Y, Sanchez-Rodriguez E, Verbitsky M, Robbins I, Simpson J, Pathak S, Raska M, Reily C, Ng A, Liang J, DeMaria N, Katiraei A, O'Stevens K, Fischman C, Shapiro S, Kodali S, McCutchan J, Park H, Eliby D, Delsante M, Allegri L, Fiaccadori E, Bodria M, Marasa M, Raveche E, Julian B, Uhlemann A, Kiryluk K, Zhang H, D'Agati V, Sanna-Cherchi S, Novak J, Gharavi A. Loss of GalNAc-T14 links O-glycosylation defects to alterations in B cell homing in IgA nephropathy. Journal Of Clinical Investigation 2025, 135: e181164. PMID: 40153534, PMCID: PMC12077892, DOI: 10.1172/jci181164.Peer-Reviewed Original ResearchConceptsO-glycosylationAberrant O-glycosylationIgA nephropathyMucosal immunityN-acetylgalactosaminyltransferaseElevated serum IgA levelsAdoptive-transfer experimentsB-cell homingSerum IgA levelsProtein O-glycosylationIgA-producing cellsGlomerular IgA depositionImmune-complex formationPathogenesis of IgANIgA1 hinge regionIgA1-producing cellsPeripheral bloodImpaired homingKidney injuryB cellsB lymphocytesIgA levelsLoF variantsIgA depositionGalNAc-T14
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