期刊
DIAGNOSTICS
卷 11, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/diagnostics11030561
关键词
metabolomics; liquid biopsy; colorectal neoplasms; urine; feces; plasma
资金
- German Federal Ministry of Education and Research
- German Cancer Aid
- German Cancer Research Center (GCRC/DKFZ)
- University Clinic Heidelberg (UKHD)
Analysis of metabolomics has shown significant differences in metabolite concentrations in blood, stool, and urine samples, which can aid in early detection of colorectal cancer and adenomas. There are correlations between metabolite concentrations in different bio-samples, with mostly positive correlations between blood and urine or stool samples, and significant differences found in metabolite concentrations between subjects with and without advanced colorectal neoplasms.
Analysis of metabolomics has been suggested as a promising approach for early detection of colorectal cancer and advanced adenomas. We investigated and compared the metabolomics profile in blood, stool, and urine samples of screening colonoscopy participants and aimed to evaluate differences in metabolite concentrations between people with advanced colorectal neoplasms and those without neoplasms. Various types of bio-samples (plasma, feces, and urine) from 400 participants of screening colonoscopy were investigated using the MxP(R) Quant 500 kit (Biocrates, Innsbruck, Austria). We detected a broad range of metabolites in blood, stool, and urine samples (504, 331, and 131, respectively). Significant correlations were found between concentrations in blood and stool, blood and urine, and stool and urine for 93, 154, and 102 metabolites, of which 68 (73%), 126 (82%), and 39 (38%) were positive correlations. We found significant differences between participants with and without advanced colorectal neoplasms for concentrations of 123, 49, and 28 metabolites in blood, stool and urine samples, respectively. We detected mostly positive correlations between metabolite concentrations in blood samples and urine or stool samples, and mostly negative correlations between urine and stool samples. Differences between subjects with and without advanced colorectal neoplasms were found for metabolite concentrations in each of the three bio-fluids.
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