Cited by 62Gut microbiota and healthGastrointestinal motility and disordersNeuroinflammation and Neurodegeneration Mechanisms

The Role of the Microbiota–Gut–Brain Axis and Antibiotics in ALS and Neurodegenerative Diseases

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Obrenovich, Mark, Jaworski, Hayden, Tadimalla, Tara, Mistry, Adil, Sykes, Lorraine, Perry, George, Bonomo, Robert·2020·Microorganisms

Abstract

The human gut hosts a wide and diverse ecosystem of microorganisms termed the microbiota, which line the walls of the digestive tract and colon where they co-metabolize digestible and indigestible food to contribute a plethora of biochemical compounds with diverse biological functions. The influence gut microbes have on neurological processes is largely yet unexplored. However, recent data regarding the so-called leaky gut, leaky brain syndrome suggests a potential link between the gut microbiota, inflammation and host co-metabolism that may affect neuropathology both locally and distally from sites where microorganisms are found. The focus of this manuscript is to draw connection between the microbiota–gut–brain (MGB) axis, antibiotics and the use of “BUGS AS DRUGS” for neurodegenerative diseases, their treatment, diagnoses and management and to compare the effect of current and past pharmaceuticals and antibiotics for alternative mechanisms of action for brain and neuronal disorders, such as Alzheimer disease (AD), Amyotrophic Lateral Sclerosis (ALS), mood disorders, schizophrenia, autism spectrum disorders and others. It is a paradigm shift to suggest these diseases can be largely affected by unknown aspects of the microbiota. Therefore, a future exists for applying microbial, chemobiotic and chemotherapeutic approaches to enhance translational and personalized medical outcomes. Microbial modifying applications, such as CRISPR technology and recombinant DNA technology, among others, echo a theme in shifting paradigms, which involve the gut microbiota (GM) and mycobiota and will lead to potential gut-driven treatments for refractory neurologic diseases.

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  1. [19]Obrenovich M.E. Raina A.K. Ogawa O. Atwood C.S. Morelli L. Smith M.A. Alzheimer disease—A new beginning, or a final exit Cell-Cycle Mechanisms in Neuronal Death Springer Boston, MA, USA 2003 71 90

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Authors
Obrenovich, M., Jaworski, H., Tadimalla, T., Mistry, A., Sykes, L., Perry, G., & Bonomo, R.
Affiliations
  • Cleveland State University (US)
  • Louis Stokes Cleveland VA Medical Center (US)
  • MetroHealth (US)
  • The University of Texas at San Antonio (US)
Corresponding author
Obrenovich, Mark
Venue
Microorganisms
Publisher
MDPI AG
Published
2020-05-23
Volume
8
Issue
5
Pages
784
ISSN
2076-2607 (ISSN-L)
OpenAlex
W3027244878
Cited by
62
References
128
Citations by year
2026: 3 · 2025: 11 · 2024: 7 · 2023: 14 · 2022: 11 · 2021: 13 · 2020: 3
FWCI
0.98
Type
journal article
Language
en
Open access
Locations
  • Microorganisms (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
gut microbiota, microbiota-gut-brain axis, antibiotics, amyotrophic lateral sclerosis, neurodegenerative diseases, Alzheimer's disease, mood disorders, schizophrenia, autism spectrum disorder, leaky gut, neuroinflammation, fungal communities, CRISPR, personalized medicine

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