ArticleCancer letters2025
Elevated levels of circulating microbial-associated uremic toxins are associated with metastatic duodenopancreatic neuroendocrine tumors in patients with Multiple Endocrine Neoplasia Type 1.
Article in Cancer letters, 2025. 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
Metastatic duodenopancreatic neuroendocrine tumors (dpNETs) are the primary cause of mortality among patients with Multiple Endocrine Neoplasia Type 1 (MEN1). Emerging evidence implicates the microbiome and microbial-derived secreted factors in promoting cancer development and progression. In the current study, we report that the circulating microbial-associated uremic toxins trimethylamine N-oxide (TMAO), indoxyl sulfate (IS), cresol sulfate (CS), cresol glucuronide (CG), and phenol sulfate (PS) are elevated in MEN1 patients with metastatic dpNETs. Proteomic- and metabolomic-based analysis of resected dpNET tissues from MEN1 patients also revealed detectable levels of uremic toxins that positively correlated with peptide-based signatures corresponding to Fusobacterium nucleatum, Faecalibacterium prausnitzii, and Klebsiella pneumoniae and negatively correlated with Streptococcus pneumoniae and Streptococcus thermophilus. A microbial-associated uremic toxin panel (MUTP) was developed and, in an independent case-control validation cohort, the panel yielded an area under the receiver operating characteristic curve (AUC) of 0.94 (95 % CI: 0.85-1.00) with 67 % sensitivity at 95 % specificity for identifying MEN1 patients with metastatic dpNETS. Increases in circulating microbial-associated uremic toxins during early stages of neoplasia were also found to be associated with poor overall survival in an Men1
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