Through this research, we seek to identify the mechanism by which dysregulated TGF-beta signaling promotes atopy and discover how disordered glycosylation and elevations in serum tryptase converge on a similar clinical phenotypes. We seek to identify and develop novel diagnostic and therapeutic targets for clinical allergic disease beyond rare monogenic disorders. Patients with Congenital Disorders of Glycosylation (CDGs) and other monogenic syndromes presenting with severe allergic disease in association with connective tissue abnormalities are actively being recruited and studied. A high throughput flow-based lectin binding assay to quantify N-glycan binding has been developed in order to study these patients; this is now being employed to screen syndromic populations for N-glycan defects. Using a TGF-beta reporter cell line, defects in discrete immune pathways and in glycosylation processes are under active investigation, employing a number of techniques including cellular transfection and pathway inhibition with small molecules, siRNAs, and antibodies. We seek to better characterize the role that alterations in glycosylation may play in atopy by providing supplementation to patients with CDGs and evidence of immune dysregulation monosaccharide and nucleoside.
| Lyons, Jonathan J; Stotz, Stephanie C; Chovanec, Jack et al. (2018) A common haplotype containing functional CACNA1H variants is frequently coinherited with increased TPSAB1 copy number. Genet Med 20:503-512 |
| Schussler, Edith; Yang, Amy; Lyons, Jonathan J et al. (2018) Persistent tryptase elevation in a patient with Gaucher disease. J Allergy Clin Immunol Pract 6:697-699 |
| Zhang, Yuan; Ma, Chi A; Lawrence, Monica G et al. (2017) PD-L1 up-regulation restrains Th17 cell differentiation inSTAT3loss- andSTAT1gain-of-function patients. J Exp Med 214:2523-2533 |
| Lyons, J J; Liu, Y; Ma, C A et al. (2017) ERBIN deficiency links STAT3 and TGF-? pathway defects with atopy in humans. J Exp Med 214:669-680 |
| Lyons, Jonathan J; Rosenberg, Helene F; Druey, Kirk M (2017) Editorial: Stressing out mast cells via CRF1. J Leukoc Biol 102:1284-1285 |
| Ma, Chi A; Stinson, Jeffrey R; Zhang, Yuan et al. (2017) Germline hypomorphic CARD11 mutations in severe atopic disease. Nat Genet 49:1192-1201 |
| Carlson, Ryan J; Bond, Michelle R; Hutchins, Shermaine et al. (2017) Detection of phosphoglucomutase-3 deficiency by lectin-based flow cytometry. J Allergy Clin Immunol 140:291-294.e4 |
| Lexmond, Willem S; Goettel, Jeremy A; Lyons, Jonathan J et al. (2016) FOXP3+ Tregs require WASP to restrain Th2-mediated food allergy. J Clin Invest 126:4030-4044 |
| Lyons, Jonathan J; Yu, Xiaomin; Hughes, Jason D et al. (2016) Elevated basal serum tryptase identifies a multisystem disorder associated with increased TPSAB1 copy number. Nat Genet 48:1564-1569 |
| Lam, Christina; Ferreira, Carlos; Krasnewich, Donna et al. (2016) Prospective phenotyping of NGLY1-CDDG, the first congenital disorder of deglycosylation. Genet Med : |
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