Gut Bacteria of Columbia livia Are a Potential Source of Anti-Tumour Molecules

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Abstract

Objectives: The overall aim was to determine whether gut bacteria of Columbia livia are a potential source of antitumour molecules. Methods: Faecal and gut microbiota of Columbia livia were isolated, identified and conditioned media were prepared containing metabolites. Growth inhibition, lactate dehydrogenase cytotoxicity and cell survival assays were accomplished against cervical cancer cells. Next, liquid-chromatography mass spectrometry was conducted to elucidate the molecules present. Results: A plethora of bacteria from faecal matter and gastrointestinal tract were isolated. Selected conditioned media exhibited potent anticancer effects and displayed cytotoxicity to cervical cancer cells at IC50 concentration of 10.65 and 15.19 µg/ml. Moreover, cells treated with conditioned media exhibited morphological changes, including cell shrinking and rounding; indicative of apoptosis, when compared to untreated cells. A total of 111 and 71 molecules were revealed from these gut and faecal metabolites. The identity of 60 molecules were revealed including, dihydroxymelphalan. Nonetheless, 122 molecules remain unidentified and are the subject of future studies. Conclusion: These findings suggest that gut bacteria of Columbia livia possess molecules, which may have anticancer activities. Further in silico testing and/or high throughput screening will determine potential anticancer properties of these molecules.

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APA

Soopramanien, M., Khan, N. A., Neerooa, B. N. H. M., Sagathevan, K., & Siddiqui, R. (2021). Gut Bacteria of Columbia livia Are a Potential Source of Anti-Tumour Molecules. Asian Pacific Journal of Cancer Prevention, 22(3), 733–740. https://doi.org/10.31557/APJCP.2021.22.3.733

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