NLRP3 and colitis: Baicalein attenuated TNBS-induced colitis, at least in part, by inhibiting the TLR4/MyD88 signaling cascade (NF-κB and mitogen-activated protein kinase (MAPK)) and inactivating nucleotide-binding oligomerization domain-like receptor pyrin domain containing 3 (NLRP3) inflammasome.