Researchers at the University of Helsinki have demonstrated that certain strains of Desulfovibrio bacteria are the likely cause of Parkinson’s disease in most cases. The study enables the screening of the carriers of Desulfovibrio strains and the removal of the bacteria from the gut.
“Our findings are significant, as the cause of Parkinson’s disease has gone unknown despite attempts to identify it throughout the last two centuries. The findings indicate that specific strains of Desulfovibrio bacteria are likely to cause Parkinson’s disease. The disease is primarily caused by environmental factors, that is, environmental exposure to the Desulfovibrio bacterial strains that cause Parkinson’s disease. Only a small share, or roughly 10%, of Parkinson’s disease is caused by individual genes,” says Professor Per Saris from the University of Helsinki.
…“Our findings make it possible to screen for the carriers of these harmful Desulfovibrio bacteria. Consequently, they can be targeted by measures to remove these strains from the gut, potentially alleviating and slowing the symptoms of patients with Parkinson’s disease. Once the Desulfovibrio bacteria are eliminated from the gut, α-synuclein aggregates are no longer formed in intestinal cells, from which they travel towards the brain via the vagus nerve like prion proteins,” Saris sums up.
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If this pans out, it’s a huge discovery. Study: Desulfovibrio bacteria enhance alpha-synuclein aggregation in a Caenorhabditis elegans model of Parkinson’s disease. ABN
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