Complex sentence: There are two TLR-associated signaling cascades, each with a distinct adapter: a preliminary response is dependent upon a MyD88 adapter and a delayed response makes use of TRIF, or TIR-domain-containing adapter-inducing interferon-β (2).
Split into simpler sentences: There are two TLR-associated signaling cascades, each with a distinct adapter. A preliminary response is dependent upon a MyD88 adapter and a delayed response makes use of TRIF, or TIR-domain-containing adapter-inducing interferon-β (2).