TLR7 triggers immune responses upon sensing microbial RNA, and its endosomal localization is thought to prevent TLR7 activation by host RNA. Here, Kanno et al. show that TLR7 is also present on the surface of immune cells, and that anti-TLR7 antibody can prevent TLR7-mediated autoimmunity.
- Atsuo Kanno
- Natsuko Tanimura
- Kensuke Miyake