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A team of researchers have reported that eating more meat, having less of certain bacteria in the gut, and more of certain immune cells in the blood, all link with multiple sclerosis.The study has been published in the 'EBioMedicine Journal'.Multiple sclerosis (MS) is an autoimmune disease affecting fewer than 3 million people worldwide but costing USD 28 billion annually in the US alone--and untold suffering. MS is more prevalent in specific regions, particularly the northern mid-latitudes, suggesting that geography is somehow linked to the disease, perhaps involving diet.But teasing out the exact relationships between diet, immune response and MS has been difficult. MS is most obviously an autoimmune disease in which the body attacks the insulation surrounding its nerves. When the insulation is damaged enough, the nerves begin to misfire and malfunction like wires with frayed insulation. But what triggers the body to attack the insulation in the nervous system in the first place is unknown.More and more evidence has suggested that bacteria might be involved. The bacteria living in our guts can affect our immune system. And what we eat can affect the bacteria in our guts.Dr Yanjiao Zhou at UConn Health School of Medicine collaborated with Dr Laura Piccio from Washington University and now at the University of Sydney to study the gut microbiome, immune systems, diet, and blood metabolites in 49 volunteers--25 MS patients and 24 healthy controls--to look for correlations that might be subtle but important."We found a number of gut bacteria associated with MS and severity of disability of MS patients. We also found increased autoimmune markers and signature metabolites in MS. But what is really interesting is how these systems connect with each other, and how diet is involved in these connections. Using multi-OMICS approaches, we try to close the loop and show the associations between multiple systems," said Zhou."This is the first study using an integrated approach to analyze the interplay between diet, gut microbiome, the immune system and metabolism and their contribution to disease pathogenesis and progression in people with MS. It opens a new modality to address future scientific questions by not looking at one individual factor but at their complex interactions. This approach can lead to the identification of relevant networks that could be manipulated for disease prevention or therapeutic intervention," said Piccio.The strongest systemic linkage the researchers found involved eating meat. Their analysis linked higher meat consumption to a decrease in the population of Bacteroides thetaiotaomicron in people's gut ecology. B. thetaiotaomicron is associated with digesting carbohydrates from vegetables.Higher meat consumption, which was observed in the MS patients, was also linked to an increase in T-helper 17 cells in the immune system, and an increase in S-adenosyl-L-methionine (SAM) in their blood.The relationship between meat-eating and disability and the other factors was not deterministic; some healthy people eat a lot of meat. But the pattern of all the factors was suggestive that, in MS, something goes wrong with people's gut bacteria that dissociate them from the immune system, leading to heightened T-helper 17 cells and autoimmune attacks on the nervous system. And it tended to be associated with meat-eating.In the future, the team would like to expand the research to include more people, including those with a more severe form of MS. Eventually, they hope to understand more of the cause-and-effect between diet, bacterial ecosystems in the gut, and immune response, and potentially help prevent or mitigate MS symptoms in people suffering from the disease.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Uconn health school of medicine, Latest News

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Lifestyle :Eating meat associated with less microbiome, multiple sclerosis: Study

A recent study led by a team of researchers have reported that eating more meat, having less of certain bacteria in the gut, and more of certain immune cells in the blood, all link with multiple sclerosis. ...

Health :Study finds link between eating meat, less microbiome, multiple sclerosis

A team of researchers have reported that eating more meat, having less of certain bacteria in the gut, and more of certain immune cells in the blood, all link with multiple sclerosis. ...