AUTHOR=Anft Moritz , Meyer Fabian , Czygan Sirin , Seibert Felix S. , Rohn Benjamin J. , Tsimas Fotios , Viebahn Richard , Westhoff Timm H. , Stervbo Ulrik , Babel Nina , Zgoura Panagiota TITLE=Propionic acid supplementation promotes the expansion of regulatory T cells in patients with end-stage renal disease but not in renal transplant patients JOURNAL=Frontiers in Transplantation VOLUME=3 YEAR=2024 URL=https://www.frontiersin.org/journals/transplantation/articles/10.3389/frtra.2024.1404740 DOI=10.3389/frtra.2024.1404740 ISSN=2813-2440