alexa Characterization of L. reuteri NCIMB 701359 Probiotic Features for Potential Use as a Colorectal Cancer Biotherapeutic by Identifying Fatty Acid Profile and Anti-Proliferative Action against Colorectal Cancer Cells
ISSN: 2169-0138

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Research Article

Characterization of L. reuteri NCIMB 701359 Probiotic Features for Potential Use as a Colorectal Cancer Biotherapeutic by Identifying Fatty Acid Profile and Anti-Proliferative Action against Colorectal Cancer Cells

Imen Kahouli1,2, Nadia R Handiri3, Meenakshi Malhotra1, Anis Riahi4, Moulay Alaoui-Jamali5,6 and Satya Prakash1,2*

1Department of Experimental Medicine, Faculty of Medicine, McGill University, 1110 Pine Avenue West, Montreal, Quebec, H3A 1A3, Canada

2Biomedical Technology and Cell Therapy Research Laboratory-Departments of Biomedical Engineering, Physiology, and Artificial Cells and Organs Research Center, Faculty of Medicine, McGill University, 3775 University Street, Montreal, Quebec, H3A 2B4, Canada

3Clinical Biology Laboratory, Salah Azaiz Institute, Carthage University, 1006 Tunis, Tunisia

4Department of Neurology, Military Hospital of Tunis, 1008, Mont Fleury, El Manar 1 University, Tunis, Tunisia

5Lady Davis Institute for Medical Research and Segal Cancer Centre, Sir Mortimer B. Davis-Jewish General Hospital, 3755 Côte Ste-Catherine Road, Montreal, Quebec, H3T 1E2, Canada

6Departments of Medicine and Oncology, Faculty of Medicine, McGill University, Gerald Bronfman Centre, Room 210, 546 Pine Avenue West, Montreal, Quebec, H2W 1S6, Canada

*Corresponding Author:
Satya Prakash
Department of Experimental Medicine, Faculty of Medicine, McGill University
1110 Pine Avenue West, Montreal, Quebec, H3A 1A3, Canada
Tel: +1-514-398-3676
Fax: +1-514-398-7461
E-mail: [email protected]

Received Date: May 11, 2016; Accepted Date: June 13, 2016; Published Date: June 20, 2016

Citation: Kahouli I, Handiri NR, Malhotra M, Riahi A, Alaoui-Jamali M, et al. (2016) Characterization of L. reuteri NCIMB 701359 Probiotic Features for Potential Use as a Colorectal Cancer Biotherapeutic by Identifying Fatty Acid Profile and Anti-Proliferative Action against Colorectal Cancer Cells. Drug Des 5:131. doi: 10.4172/2169-0138.1000131

Copyright: © 2016 Kahouli I, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Colorectal cancer (CRC), the third cause of cancer deaths worldwide, presents a condition with preventable aspects related to diet, lifestyle, and, in particular host gut microflora. Probiotic regimens have been proposed to diminish CRC risk and complications. Among L. reuteri strains previously screened some are still in need for further characterization to understand the connection between the probiotic metabolic activity and the potential anti-cancer features. Here, L. reuteri NCIMB 701359 was characterized for growth and fatty acid profile. The apoptotic and antiproliferative capacities of the bacterial extracts (supernatant and conditioned medium) against cCRC cells have been assessed. To investigate a potential anti-cancer activity, the effect of L. reuteri on the proliferation of Caco-2 CRC cells compared with CRL-1831 normal coloretcal cells was analyzed. Later, short chain fatty acids that L. reuteri produced, were measured and the inhibitory action of short chain fatty acids against Caco-2 cells was investigated using short chain fatty acid synthetic formulations. Results revealed a significantly higher fatty acid production for L. reuteri during growth compared with other Lactobacilli. Also, both L. reuteri extracts, especially the conditioned cell culture medium, exhibited significant inhibitory effects against SW-480 cancerous cells and induced apoptosis. L. reuteri suppressed Caco-2 (cancer) but not CRL-1831 (non-neoplastic). Caco-2 inhibition strongly correlated with the concentration of bacterial short chain fatty acids and was confirmed to be partially but not totally because of short chain fatty acid production. This suggests the potential of L. reuteri NCIMB 701359 in suppressing colorectal cancer cell growth and survival, which may assist in the formulation of probiotic-based interventions to limit colorectal cancer development.

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