ImmunologybioRxivPreprint
RSV Downregulates IL-21/IL-21R On TFH Cells Via PD-L1 Induction In APCs Impairing Protective Humoral Responses
Rodrigo Benedetti Gassen, Tiago Fazolo, Deise Nascimento de Freitas…·Cristina Bonorino
This study shows RSV impairs TFH cell function by inducing PD-L1 on APCs, reducing IL-21 and its receptor, which weakens humoral immunity, but IL-21 treatment can restore immune responses and protect against RSV infection.