Role of iNOS in Human Host Defense

In 2001, S. Thoma-Uszynski et al. wrote in Science , “in humans the TLR-activated antimicrobial pathway is NO [nitric oxide]-independent” ([1][1]). In the Report “Toll-like receptor triggering of a vitamin D-mediated human antimicrobial response” (P. T. Liu et al. , 24 Mar., p. [1770][2];