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Colorectal Neoplasms / Tumor Microenvironment / Colorectal Cancer · Journal article
Virulence · May 26, 2026
Raises a question worth testing. It does not answer one.
This is a narrative review examining the proposed role of Peptostreptococcus in colorectal cancer pathogenesis via the oral-gut axis. The article synthesizes emerging observational and mechanistic evidence, proposes Peptostreptococcus as a potential biomarker and therapeutic target, and identifies research gaps, but does not report new primary data or comparative efficacy evidence to support clinical practice change.
Narrative review article. Colorectal cancer patients; referenced studies on microbiota composition in CRC versus healthy populations.
Peptostreptococcus is selectively enriched in fecal and mucosal microbiota of CRC patients Peptostreptococcus may influence CRC progression through promotion of tumor cell proliferation, epithelial–mesenchymal transition, and tumor microenvironment remodeling Oral microorganisms including Peptostreptococcus exhibit pervasive translocation along the gastrointestinal tract in both healthy and diseased populations
Safety was not reported in the material analysed. Check the source before drawing any conclusion about harm.
This review positions Peptostreptococcus as an emerging research target and potential future biomarker or therapeutic intervention point, but does not provide evidence-based clinical recommendations. Clinicians should view this as a framework for understanding emerging microbiome-cancer science rather than a basis for immediate diagnostic or treatment changes.
This is a narrative review synthesizing emerging evidence on the oral-gut axis and Peptostreptococcus in colorectal cancer, presenting mechanistic hypotheses and research perspectives rather than original empirical findings or definitive clinical evidence.
As stated by the source record.
This review positions Peptostreptococcus as an emerging research target and potential future biomarker or therapeutic intervention point, but does not provide evidence-based clinical recommendations. Clinicians should view this as a framework for understanding emerging microbiome-cancer science rather than a basis for immediate diagnostic or treatment changes.
Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.
What is missing. This record has no reported figures. That is a gap in the analysis, not a judgement about the study.
Colorectal cancer (CRC) is linked to gut microecological imbalances, and increasing evidence suggests that oral-gut microecosystem aberrant interactions also significantly contribute to CRC pathogenesis. The emerging "oral-gut axis" offers novel perspectives into the cross-organ microbial regulation. Notably, the oral bacterium Peptostreptococcus exhibits spatiotemporal specificity during CRC progression and may modulate gut microecology and CRC via this axis. This review examines the oral-gut microecological interplay and teases apart the multidimensional associations between Peptostreptococcus (e.g. Peptostreptococcus stomatis, Peptostreptococcus anaerobius) and CRC, including their heterogeneity across CRC patient groups and their dynamic evolution and spatial distribution during the "adenoma-carcinoma" sequence. It summarizes mechanisms whereby Peptostreptococcus influences CRC by promoting tumor cell proliferation, inducing epithelial-mesenchymal transition, and reshaping the tumor microenvironment. It also categorizes the key technologies in this field. Furthermore, this review highlights Peptostreptococcus's potential as a CRC biomarker and therapeutic target, proposing future intervention strategies targeting oral-derived microbes to stimulate further research.
Taken from the source record, never inferred. Follow any of these and new work involving them reaches your briefing.