Antibiotic use in early life subsequently impairs MAIT cell-mediated immunity
Gabrielle LeBlanc, Adam L. Sobel, Jonathan Melamed, Dominic A. Haas, Eduard Ansaldo, Aiko M. Cirone, Elizabeth Murguia, Michael G. Constantinides
This study shows that early-life antibiotic use reduces MAIT cell abundance, impairing immunity to pneumonia, but this effect can be reversed by reintroducing riboflavin-synthesizing commensals.
The Journal of Experimental Medicine · Nov 19, 2025Peer-reviewedImmunology