Toll-like receptors:

Question

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Toll-like receptors (TLRs) recognize and respond to molecular patterns unique to pathogens, such as bacteria or viruses. They recognize a range of molecules, including lipopolysaccharides, flagellin, and viral RNA. Activation of TLRs leads to the production of cytokines and the initiation of an immune response. TLRs do not produce a membrane attack complex (option C), and they do not act nonspecifically to cause cell killing (option B). TLRs are not introduced from outside the body (option A).

Toll-Like Receptors