Home Science news Boosting gut microbes helps protect mice against Alzheimer’s disease

Boosting gut microbes helps protect mice against Alzheimer’s disease

The meals we eat may enhance helpful gut micro organism and decrease the chance of Alzheimer’s

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A complement that nourishes “good” micro organism within the gut appears to protect against an Alzheimer’s-like disease in mice and can quickly be examined in a medical trial.

Growing proof factors to a link between Alzheimer’s disease and gut health. For instance, research have discovered that folks with the situation are inclined to have extra pro-inflammatory, or “bad”, micro organism and fewer anti-inflammatory, or “good”, micro organism of their guts. They additionally are inclined to have a much less numerous mixture of gut microbes general.

Chun Chen at Emory University within the US and her colleagues have added to this proof by exhibiting that mice engineered to have an Alzheimer’s-like disease even have extra pro-inflammatory micro organism and fewer anti-inflammatory micro organism of their guts.


In addition, they demonstrated that wholesome mice housed with these with the Alzheimer’s-like disease have been extra prone to develop the situation themselves, presumably by way of publicity to their cagemates’ unhealthy gut microbes.

To discover whether or not enhancing gut well being could scale back the chance of creating Alzheimer’s disease, Chen and her colleagues gave mice a prebiotic complement referred to as R13 that’s designed to advertise a wholesome mixture of gut microbes.

They discovered that mice handled with R13 have been much less prone to accumulate a protein referred to as beta-amyloid of their guts. Beta-amyloid builds up within the brains of individuals with Alzheimer’s disease – forming sticky clumps that injury mind networks. Recent analysis in mice hints that this protein can travel from the gut to the brain and cause Alzheimer’s symptoms.

R13 has just lately been granted approval to be examined in a small medical trial to see if it helps to sluggish or forestall Alzheimer’s disease in folks. “It sounds really interesting, but we know from the history of Alzheimer’s drug trials that many promising treatments fail,” says Bryce Vissel on the University of Technology Sydney in Australia.

In the meantime, Chen recommends consuming a diverse weight loss program to assist enhance microbial range within the gut. “For example, the Mediterranean diet has been shown to slow the development of Alzheimer’s disease, which might be partially attributed to maintaining the diversity of gut microbiota,” she says.

Journal reference: Science Advances, DOI: 10.1126/sciadv.aba0466

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