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    Short-chain fatty acids (SCFAs) are microbial derived metabolites, which have multiple beneficial properties. The amount of SCFAs depends on several factors, such as age, diet (mainly intake of dietary fiber), and overall health condition. The normal proportion between SCFAs is 3:1:1 for acetate, proprionate and butyrate, respectively. In colorectal cancer (CRC) patients, microbiota alterations have been shown. Consequently, metabolome within the gut might change to a large extent. Therefore, the aim of this study was to analyse the content of SCFAs and the proportion between SCFAs in the stool obtained from CRC patients in preoperative period. This study included 15 patients with CRC in preoperative period. The stool samples were taken and stored at -80°C in the Fahrenheit Biobank, Medical University of Gdansk, Poland. The analysis of SCFAs from stool samples was conducted by means of gas chromatography. This study included mainly males (66.67%, n=10). In all patients, there was abnormal proportion between SCFAs. The extremely higher concentration of butyrate was noted in 2 samples (13.33%) compared to the rest of patients. However, based on normal proportion between SCFAs, the results <1 for butyrate were noted in 93.33% of patients. SCFAs pool is altered in CRC patients, among others characterized by low level of butyrate. It should be considered to administer butyrate supplementation to CRC patients especially prior to surgery to support an appropriate preparation to this treatment.


    K Kaźmierczak-Siedlecka, K Skonieczna-Żydecka, J Palma, B K Sobocki, M Świerblewski, K Siedlecka-Kroplewska, L Kalinowski, K Połom. Microbiota-derived metabolites in colorectal cancer patients in preoperative period. European review for medical and pharmacological sciences. 2023 Feb;27(4):1443-1449

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    PMID: 36876684

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