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. 2024 Feb 29;11:1305431. doi: 10.3389/fmed.2024.1305431

FIGURE 2.

FIGURE 2

Gouty nephropathy (GN) cell apoptosis. Tumor necrosis factor receptor (TNFR) and factor-associated apoptosis (Fas) receptors induce apoptosis by binding to their respective ligands and cleaving Pro-Caspase-8 through the death domains TNF-associated death domain (TRADD) and Fas-associated death domain (FADD), producing active caspase-8 and activating caspase-3, triggering apoptosis. MSU causes oxidative stress and impairs mitochondrial function, leading to the release of the pro-apoptotic factor Bcl-2 (B-cell lymphoma-2), activating the P53 transcription factor, promoting caspase-9 and caspase-3, and ultimately triggering apoptosis.