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Your search keyword '"Ford, Shayne L."' showing total 5 results
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5 results on '"Ford, Shayne L."'

3. Induced Human Regulatory T Cells Express the Glucagon-like Peptide-1 Receptor

Author

Rode, Anna K. O., primary, Buus, Terkild Brink, additional, Mraz, Veronika, additional, Al-Jaberi, Fatima Abdul Hassan, additional, Lopez, Daniel Villalba, additional, Ford, Shayne L., additional, Hennen, Stephanie, additional, Eliasen, Ina Primon, additional, Klewe, Ib Vestergaard, additional, Gharehdaghi, Leila, additional, Dragan, Adrian, additional, Rosenkilde, Mette M., additional, Woetmann, Anders, additional, Skov, Lone, additional, Ødum, Niels, additional, Bonefeld, Charlotte M., additional, Kongsbak-Wismann, Martin, additional, and Geisler, Carsten, additional

Published
2022
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4. Induced Human Regulatory T Cells Express the Glucagon-like Peptide-1 Receptor

Author

Rode, Anna K.O., Buus, Terkild Brink, Mraz, Veronika, Al-Jaberi, Fatima Abdul Hassan, Lopez, Daniel Villalba, Ford, Shayne L., Hennen, Stephanie, Eliasen, Ina Primon, Klewe, Ib Vestergaard, Gharehdaghi, Leila, Dragan, Adrian, Rosenkilde, Mette M., Woetmann, Anders, Skov, Lone, Ødum, Niels, Bonefeld, Charlotte M., Kongsbak-Wismann, Martin, Geisler, Carsten, Rode, Anna K.O., Buus, Terkild Brink, Mraz, Veronika, Al-Jaberi, Fatima Abdul Hassan, Lopez, Daniel Villalba, Ford, Shayne L., Hennen, Stephanie, Eliasen, Ina Primon, Klewe, Ib Vestergaard, Gharehdaghi, Leila, Dragan, Adrian, Rosenkilde, Mette M., Woetmann, Anders, Skov, Lone, Ødum, Niels, Bonefeld, Charlotte M., Kongsbak-Wismann, Martin, and Geisler, Carsten

Abstract

The glucagon-like peptide-1 receptor (GLP-1R) plays a key role in metabolism and is an important therapeutic target in diabetes and obesity. Recent studies in experimental animals have shown that certain subsets of T cells express functional GLP-1R, indicating an immune regulatory role of GLP-1. In contrast, less is known about the expression and function of the GLP-1R in human T cells. Here, we provide evidence that activated human T cells express GLP-1R. The expressed GLP-1R was functional, as stimulation with a GLP-1R agonist triggered an increase in intracellular cAMP, which was abrogated by a GLP-1R antagonist. Analysis of CD4+ T cells activated under T helper (Th) 1, Th2, Th17 and regulatory T (Treg) cell differentiation conditions indicated that GLP-1R expression was most pronounced in induced Treg (iTreg) cells. Through multimodal single-cell CITE- and TCR-sequencing, we detected GLP-1R expression in 29-34% of the FoxP3+CD25+CD127- iTreg cells. GLP-1R+ cells showed no difference in their TCR-gene usage nor CDR3 lengths. Finally, we demonstrated the presence of GLP-1R+CD4+ T cells in skin from patients with allergic contact dermatitis. Taken together, the present data demonstrate that T cell activation triggers the expression of functional GLP-1R in human CD4+ T cells. Given the high induction of GLP-1R in human iTreg cells, we hypothesize that GLP-1R+ iTreg cells play a key role in the anti-inflammatory effects ascribed to GLP-1R agonists in humans.

Published
2022

5. Inhibition of succinate dehydrogenase activity impairs human T cell activation and function:[Publisher correction]

Author

Nastasi, Claudia, Willerlev-Olsen, Andreas, Dalhoff, Kristoffer, Ford, Shayne L., Gadsbøll, Anne Sofie Østergaard, Buus, Terkild Brink, Gluud, Maria, Danielsen, Morten, Litman, Thomas, Bonefeld, Charlotte Mennè, Geisler, Carsten, Ødum, Niels, and Woetmann, Anders

Subjects
macromolecular substances
Abstract

T cell activation is intimately linked to metabolism, as distinct metabolic requirements support the functional and phenotypical differences between quiescent and activated T cells. Metabolic transition from mitochondrial oxidative phosphorylation to aerobic glycolysis is crucial for a proper T cell activation. However, the role of tricarboxylic acid cycle (TCA), and in particular succinate dehydrogenase (SDH) in activated T cells needs further elucidation. Here we show that inhibition of SDH during activation of T cells results in strong impairment of proliferation, expression of activation markers, and production of key inflammatory cytokines, despite a concomitant increase in glycolytic metabolic activity. Similar effect of SDH inhibition were demonstrated in pre-activated T cell. Interestingly, itaconic acid, an endogenous SDH inhibitor released from activated macrophages and dendritic cells, had no immunomodulator effect. Taken together, our findings demonstrate that SDH enzyme fitness is critical for mounting and maintaining appropriate activation and function of human T cells.

Published
2021

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