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. 2023 Mar 27;27(7):1466–1472. doi: 10.1007/s11605-023-05654-4

Fig. 2.

Fig. 2

LPS stimulates gut barrier dysfunction by destroying tight junctions via the TLR4/NF-κB pathway. LPS-activated TRL4 promotes the phosphorylation of IκBa and p65, which results in p65 translocating to the nucleus and IκBa being degraded. The activated TLR4/NF-κB pathway eventually decreases the expression of TJ proteins and impairs the gut barrier