2023
Sodium perturbs mitochondrial respiration and induces dysfunctional Tregs
Côrte-Real B, Hamad I, Arroyo Hornero R, Geisberger S, Roels J, Van Zeebroeck L, Dyczko A, van Gisbergen M, Kurniawan H, Wagner A, Yosef N, Weiss S, Schmetterer K, Schröder A, Krampert L, Haase S, Bartolomaeus H, Hellings N, Saeys Y, Dubois L, Brenner D, Kempa S, Hafler D, Stegbauer J, Linker R, Jantsch J, Müller D, Kleinewietfeld M. Sodium perturbs mitochondrial respiration and induces dysfunctional Tregs. Cell Metabolism 2023, 35: 299-315.e8. PMID: 36754020, DOI: 10.1016/j.cmet.2023.01.009.Peer-Reviewed Original ResearchConceptsHuman TregsPro-inflammatory featuresLong-term dysfunctionPro-inflammatory signatureMetabolic reprogrammingLong-term functionDysfunctional TregsFoxp3 downregulationPeripheral toleranceMitochondrial respirationMetabolic disturbancesTregsImmune functionAutoimmunityMetabolic fitnessIntracellular NaMitochondrial NaHigh saltMitochondrial metabolismElectron transport chainTranscriptional changesFoxp3DysfunctionBlockade
2021
Oleic acid restores suppressive defects in tissue-resident FOXP3 regulatory T cells from patients with multiple sclerosis
Pompura SL, Wagner A, Kitz A, Laperche J, Yosef N, Dominguez-Villar M, Hafler D. Oleic acid restores suppressive defects in tissue-resident FOXP3 regulatory T cells from patients with multiple sclerosis. Journal Of Clinical Investigation 2021, 131 PMID: 33170805, PMCID: PMC7810477, DOI: 10.1172/jci138519.Peer-Reviewed Original ResearchConceptsMultiple sclerosisAdipose tissueFoxp3 regulatory T cellsExpression of Foxp3Regulatory T cellsTreg suppressive functionProinflammatory arachidonic acidHuman adipose tissuePhosphorylation of STAT5Treg homeostasisFatty acidsPeripheral bloodTissue residencyHealthy donorsInflammatory signalsT cellsTregsFree fatty acidsSuppressive functionArachidonic acidPatientsOleic acidOxidative phosphorylationTranscriptomic programsFoxp3
2014
Identification of Pathogenic IL-17 Producing FOXP3+ Tregs in Patients With De Novo Autoimmune Hepatitis.
Ekong U, Hill M, Edmunds C, Han G, Bhela S, Hafler D, Kleinewietfeld M. Identification of Pathogenic IL-17 Producing FOXP3+ Tregs in Patients With De Novo Autoimmune Hepatitis. Transplantation 2014, 98: 872-873. DOI: 10.1097/00007890-201407151-02977.Peer-Reviewed Original Research
2008
Sa.115. IL7R and HLA-Class II selected FoxP3+ Natural Regulatory T Cells (nTregs) Represent Effector nTregs, Precursor nTregs, and Induced nTregs
Baecher-Allan C, Maier L, Beriou G, Ashley C, Hafler D. Sa.115. IL7R and HLA-Class II selected FoxP3+ Natural Regulatory T Cells (nTregs) Represent Effector nTregs, Precursor nTregs, and Induced nTregs. Clinical Immunology 2008, 127: s118. DOI: 10.1016/j.clim.2008.03.336.Peer-Reviewed Original Research