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Omega-3 improves gut bacteria, reduces inflammation and depression – Dec 2017

Impact of Omega-3 Fatty Acids on the Gut Microbiota

Int. J. Mol. Sci. 2017, 18(12), 2645; doi:10.3390/ijms18122645
Lara Costantini Romina Molinari Barbara Farinon and Nicolò Merendino
Department of Ecological and Biological Sciences (DEB), Tuscia University, Largo dell’Università snc, 01100 Viterbo, Italy

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Items in both categories Omega-3 and Inflammation are listed here:

Items in both categories Omega-3 and Depression are listed here:


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Long-term dietary habits play a crucial role in creating a host-specific gut microbiota community in humans. Despite the many publications about the effects of carbohydrates (prebiotic fibers), the impact of dietary fats, such as omega-3 polyunsaturated fatty acids (PUFAs), on the gut microbiota is less well defined. The few studies completed in adults showed some common changes in the gut microbiota after omega-3 PUFA supplementation. In particular, a decrease in Faecalibacterium, often associated with an increase in the Bacteroidetes and butyrate-producing bacteria belonging to the Lachnospiraceae family, has been observed.

Coincidentally, a dysbiosis of these taxa is found in patients with inflammatory bowel disease.

Omega-3 PUFAs can exert a positive action by reverting the microbiota composition in these diseases, and increase the production of anti-inflammatory compounds, like short-chain fatty acids. In addition, accumulating evidence in animal model studies indicates that the interplay between gut microbiota, omega-3 fatty acids, and immunity helps to maintain the intestinal wall integrity and interacts with host immune cells.
Finally, human and animal studies have highlighted the ability of omega-3 PUFAs to influence the gut–brain axis, acting through gut microbiota composition. From these findings, the importance of the omega-3 connection to the microbiota emerges, encouraging further studies.

Created by admin. Last Modification: Thursday July 25, 2019 02:07:08 GMT-0000 by admin. (Version 6)

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8931 Omega-3 gut.jpg admin 12 Dec, 2017 17:41 63.17 Kb 961
8930 Omega-3, Gut Microbiota.pdf PDF 2017 admin 12 Dec, 2017 17:40 697.10 Kb 129
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