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Research

Papers
  1. Gut Microbiome and Parkinson's Disease (ClinicalTrials.gov)
      "The purpose of this study is to characterize the intestinal microbiome in subjects with Parkinson's disease and to determine safety and trends in improvements in diversity of colonic microbiome following administration of lyophilized PRIM-DJ2727." 08-19

  2. Gut Microbiome and Parkinson's Disease (ScientificAmerican.com)
      "Yet another idea holds that that intestinal inflammation, possibly from gut microbes, could give rise to Parkinson’s disease. The latest evidence supporting this idea comes from a large epidemiological study, in which Inga Peter, a genetic epidemiologist at the Icahn School of Medicine at Mount Sinai, and her colleagues scanned through two large U.S. medical databases to investigate the overlap between inflammatory bowel diseases and Parkinson’s."

      "Because not all Parkinson’s patients will have inflammatory bowel disorders, findings from the investigations into the co-occurrence of the two conditions might not generalize to everyone with the neurodegenerative disease, Mazmanian says. Still, these studies and many others that have emerged in recent years support the idea that the gut is involved in Parkinson’s is correct, he adds. 'If this is indeed true, it allows us to now devise interventions that target the gut instead of the brain.' ”

      "Already, some researchers have started to test such interventions. In 2015, Zasloff and his colleagues launched a company, Enterin, that is currently testing a compound that slows alpha-synuclein aggregation in the gut. Although the treatment is intended to reduce non-motor symptoms of Parkinson’s, such as constipation, the researchers hope that by targeting early gut pathology, they will be able to restore—or prevent—the disease’s effects on the central nervous system." 06-24-2019

Research
  1. Gut Microbiome Alterations in Alzheimer's Disease (Alzheimer Research Forum)
      Alterations in the composition of this complex ecosystem have been associated with the development of a variety of gastrointestinal and metabolic diseases including inflammatory bowel disease (IBD), obesity, diabetes, and insulin resistance10. More recently, the influence of gut microbiota on central nervous system function – often referred to as the gut-brain axis – has received significant attention, and alterations in the gut microbiome have been associated with neurological conditions including autism spectrum disorder, multiple sclerosis, and Parkinson’s disease11–13."

      With respect to dementia, a recent study in cognitively impaired elderly participants investigated a limited number of pro- and anti-inflammatory gut bacterial taxa and found altered abundance in individuals with positive amyloid positron emission tomography (PET) imaging14. In addition, recent studies in transgenic mouse models of AD have demonstrated that manipulating gut microbiota can influence cerebral amyloid deposition15,16. However, to date there have been no comprehensive surveys of whole gut microbiota in humans with AD. In this study, we performed bacterial 16S ribosomal RNA (rRNA) gene sequencing of DNA isolated from fecal samples in order to characterize the gut microbial communities in individuals with and without a clinical diagnosis of dementia due to AD. In addition, we examined the relationship between gut microbiota and AD pathology as measured by cerebrospinal fluid (CSF) biomarkers of AD." 06-24-2019

  2. Gut Microbiome and Parkinson's Disease (JPND Research)
      "Scientists have discovered for the first time a functional link between bacteria in the intestines and Parkinson’s disease (PD). The researchers show that changes in the composition of gut bacterial populations–or possibly gut bacteria themselves–are actively contributing to and may even cause the deterioration of motor skills that is the hallmark of this disease." 06-24-2019

       


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