TLR5 participates in the TLR4 receptor complex and promotes MyD88-dependent signaling in environmental lung injury The ER folding sensor UGGT1 acts on TAPBPR-chaperoned peptide-free MHC I Liver type 1 innate lymphoid cells lacking IL-7 receptor are a native killer cell subset fostered by parenchymal niches Complex subsets but redundant clonality after B cells egress from spontaneous germinal centers