Extracellular citrate modulates glutamine metabolism in human macrophages during infection
Hanna F Willenbockel, Felix Leitner, Sina Wischnewski, Stephanie Ng, Kehinde Oluwasegun Aina, Kristin Metzdorf, Josef Martin Penninger, Hendrikus Gerritsen, R. Verena Taudte, Anna Schurich, Michael Steinert, Thekla Cordes
This study shows human macrophages take up extracellular citrate but do not use it as a carbon source, instead modulating glutamine metabolism and immune responses during infection.
bioRxiv · May 13, 2026 · PreprintCell Biology