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Alzheimer’s: how gut dysbiosis influences amyloid pathology

A recent study clarifies the gut microbiota’s role in the amyloid pathology associated with Alzheimer’s disease. This role involves bacterial compounds capable of reaching the brain following a systemic inflammatory reaction.   The presence of a gut dysbiosis in patients suffering from Al...
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Role of the microbiota in gut-brain communication

This article describes the two-way circuit linking the intestine to the brain: bacteria or their metabolites communicate with the brain via the gut-extrinsic sympathetic nervous system, while the brain in turn influences gut physiology.   Connections between gut and brain control gut’s ti...
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Alzheimer’s disease: the involvement of the oral microbiota has been confirmed

Alzheimer’s disease could be the consequence of chronic inflammation of neuronal tissue caused by the colonization of bacteria from the oral microbiota which produce toxic proteins called “gingipains”. Therapeutic applications are already being considered.   A link was already established...
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Parkinson's disease

For roughly 15 years, it has been hypothesized that Parkinson’s disease does not originate exclusively in the brain, but also in the intestines. However, the potential biological mechanisms involved remain to be elucidated.
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