ArticlePhysiological research2026
TMAO Induced Kidney Aging by Activating ZBP1-Mediated Necroptosis.
Article in Physiological research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The present study was aimed to investigate whether trimethylamine-N-oxide (TMAO) contributed to kidney aging by activating necroptosis. Male C57BL/6J mice were randomly divided into Control group (3 months old) and Old group (18 months old), compared to 3-month-old controls, 18-month-old male C57BL/6J mice showed significant increases in plasma creatinine (Cre) and blood urea nitrogen (BUN) (P<0.05), enhanced renal fibrosis (P<0.001), elevated plasma TMAO (P<0.01), and upregulation of senescence markers p53, p21, and p16 (P<0.05, P<0.01, and P<0.001, respectively). In order to investigate the effects of TMAO on kidney aging, the mice were intraperitoneally injected with TMAO for one to three months, mice showed time-dependent increases in Cre and BUN (P<0.05, respectively), progressive fibrosis, and gradual upregulation of senescence markers, ZBP1, and phosphorylation of RIPK3 and MLKL (P<0.05, respectively). In addition, three months of DMB treatment (inhibitor for TMAO formation) significantly reduced the plasma Cre and BUN levels (P<0.001 and P<0.05), downregulated the senescence markers expression, and improved kidney fibrosis (P<0.001 or P<0.05, respectively). In conclusion, our studies revealed that TMAO induced kidney aging by activating ZBP1-mediated necroptosis. Moreover, the inhibition of TMAO generation might be a potential treatment for kidney aging. Key words Kidney aging " Trimethylamine-N-oxide " ZBP1 " Necroptosis " DMB.
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41811704PMC13127997What OpenQuestion holds
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